[INFO] cloning repository https://github.com/hwch/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hwch/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwch%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwch%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64b8d0028f00fc49bddca33a7f19dc048689b6c8
[INFO] testing hwch/rust against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwch%2Frust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hwch/rust
[INFO] finished tweaking git repo https://github.com/hwch/rust
[INFO] tweaked toml for git repo https://github.com/hwch/rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hwch/rust on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hwch/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349
[INFO] running `Command { std: "docker" "start" "407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/1
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `1` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)` has the same output filename as the bin target `1` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/1.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `1` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)` has the same output filename as the bin target `1` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/2
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `2` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)` has the same output filename as the bin target `2` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/2.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `2` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)` has the same output filename as the bin target `2` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/3
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `3` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)` has the same output filename as the bin target `3` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/3.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `3` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)` has the same output filename as the bin target `3` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/4
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `4` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)` has the same output filename as the bin target `4` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/4.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `4` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)` has the same output filename as the bin target `4` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/5
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `5` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)` has the same output filename as the bin target `5` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/5.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `5` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)` has the same output filename as the bin target `5` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/6
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `6` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)` has the same output filename as the bin target `6` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/6.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `6` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)` has the same output filename as the bin target `6` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/1
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `1` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `1` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/1.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `1` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `1` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/10
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `10` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `10` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/10.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `10` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `10` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/11
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `11` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `11` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/11.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `11` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `11` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/12
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `12` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `12` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/12.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `12` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `12` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/2
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `2` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `2` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/2.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `2` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `2` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/3
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `3` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `3` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/3.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `3` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `3` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/4
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `4` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `4` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/4.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `4` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `4` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/5
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `5` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `5` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/5.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `5` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `5` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/6
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `6` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `6` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/6.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `6` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `6` in package `eular v0.1.0 (/opt/rustwide/workdir/eular)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/7
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `7` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `7` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/7.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `7` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `7` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/8
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `8` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `8` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/8.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `8` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `8` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/9
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `9` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `9` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/9.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `9` in package `exam v0.1.0 (/opt/rustwide/workdir/exam)` has the same output filename as the bin target `9` in package `advanced v0.1.0 (/opt/rustwide/workdir/advanced)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling jobserver v0.1.35
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling pkg-config v0.3.33
[INFO] [stderr]    Compiling litemap v0.8.2
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]    Compiling aws-lc-rs v1.17.1
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.2.62
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling rustls v0.23.40
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling dtoa v1.0.11
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling webpki-roots v1.0.7
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling servo_arc v0.3.0
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling ego-tree v0.6.3
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stderr]    Compiling i_learn_grep v0.0.1 (/opt/rustwide/workdir/i_learn_grep)
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/rustwide/workdir/webserver)
[INFO] [stderr]    Compiling websrv v0.1.0 (/opt/rustwide/workdir/websrv)
[INFO] [stderr]    Compiling macro_demos v0.1.0 (/opt/rustwide/workdir/macro_demos)
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stderr]    Compiling demos v0.1.0 (/opt/rustwide/workdir/demos)
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> restaurant/src/customer.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let order1 = back_of_house::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> restaurant/src/customer.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let order2 = back_of_house::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]  --> restaurant/src/lib.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn deliver_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fix_incorrect_order() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn cook_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> restaurant/src/back_of_house.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Breakfast {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout]  9 |     pub toast: String,
[INFO] [stdout] 10 |     seasonal_fruit: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/hosting.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn seat_at_table() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/serving.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn take_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/serving.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/serving.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn take_payment() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> webserver/src/thread_pool.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut threads = Vec::with_capacity(size);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> webserver/src/thread_pool.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn execute<F>(&self, f: F)
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RouteType` is never constructed
[INFO] [stdout]   --> webserver/src/server.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct RouteType {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> webserver/src/server.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl RouteType {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new() -> RouteType {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `threads` is never read
[INFO] [stdout]  --> webserver/src/thread_pool.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     threads: Vec<JoinHandle<()>>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling exam v0.1.0 (/opt/rustwide/workdir/exam)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> demos/src/exam6.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let c = Cons(16, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> demos/src/exam6.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let b = Cons(14, Rc::clone(&a));
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]   --> demos/src/exam8.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let mut n = *o.lock().unwrap();
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_n` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]   --> demos/src/exam8.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |                 n += i;
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> demos/src/exam8.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         th.join();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let _ = th.join();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> exam/src/bin/14.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let value = String::from("closure called");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]  --> exam/src/bin/14.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Rectangle {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] 3 |     width: u32,
[INFO] [stdout] 4 |     height: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> exam/src/bin/23.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let Some(x) = some_option_value else {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> exam/src/bin/22.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let c = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> exam/src/bin/22.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let d = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit`, `Move`, and `Write` are never constructed
[INFO] [stdout]  --> exam/src/bin/26.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Message {
[INFO] [stdout]   |      ------- variants in this enum
[INFO] [stdout] 2 |     Quit,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     Move { x: i32, y: i32 },
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     Write(String),
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file` is never used
[INFO] [stdout]  --> exam/src/bin/5.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read_username_from_file() -> Result<String, io::Error> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling advanced v0.1.0 (/opt/rustwide/workdir/advanced)
[INFO] [stderr]    Compiling iredis v0.1.0 (/opt/rustwide/workdir/iredis)
[INFO] [stdout] warning: type `person` should have an upper camel case name
[INFO] [stdout]   --> advanced/src/bin/8.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | istruct! {person, String, i32}
[INFO] [stdout]    |           ^^^^^^ help: convert the identifier to upper camel case: `Person`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> advanced/src/bin/8.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let c = vec!["1", "2"];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> advanced/src/bin/8.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             name: $tp1,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] 18 |             age: $tp2,
[INFO] [stdout]    |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 | istruct! {person, String, i32}
[INFO] [stdout]    | ------------------------------
[INFO] [stdout]    | |         |
[INFO] [stdout]    | |         fields in this struct
[INFO] [stdout]    | in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `istruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling eular v0.1.0 (/opt/rustwide/workdir/eular)
[INFO] [stderr]    Compiling demorun v0.1.0 (/opt/rustwide/workdir/demorun)
[INFO] [stdout] warning: unused import: `Summary`
[INFO] [stdout]  --> demorun/src/demorun.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use demos::exam11::{world, Hello, Summary};
[INFO] [stdout]   |                                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShirtColor` and `self`
[INFO] [stdout]  --> demorun/src/demorun.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use demos::exam2::{self, ShirtColor};
[INFO] [stdout]   |                    ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `demos::exam5::CustomSmartPointer`
[INFO] [stdout]  --> demorun/src/demorun.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use demos::exam5::CustomSmartPointer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `demos::exam5::MyBox`
[INFO] [stdout]  --> demorun/src/demorun.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use demos::exam5::MyBox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `demos::exam7`
[INFO] [stdout]  --> demorun/src/demorun.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use demos::exam7;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `demos::exam8`
[INFO] [stdout]  --> demorun/src/demorun.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use demos::exam8;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `demos::exam9`
[INFO] [stdout]  --> demorun/src/demorun.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use demos::exam9;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `exam10` and `exam6`
[INFO] [stdout]  --> demorun/src/demorun.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use demos::{exam10, exam6};
[INFO] [stdout]   |             ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `exam3` and `exam5`
[INFO] [stdout]  --> demorun/src/demorun.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use demos::{exam3, exam5};
[INFO] [stdout]   |             ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Closure` is never constructed
[INFO] [stdout]   --> demorun/src/demorun.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Closure<F> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call` is never used
[INFO] [stdout]   --> demorun/src/demorun.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | / impl<F> Closure<F>
[INFO] [stdout] 17 | | where
[INFO] [stdout] 18 | |     F: for<'a> Fn(&'a (u8, u16)) -> &'a u8,
[INFO] [stdout]    | |___________________________________________- method in this implementation
[INFO] [stdout] 19 |   {
[INFO] [stdout] 20 |       fn call(&self) -> &u8 {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_it` is never used
[INFO] [stdout]   --> demorun/src/demorun.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn do_it(data: &(u8, u16)) -> &u8 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> advanced/src/bin/10.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let zig = 3;
[INFO] [stdout]    |                    ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zig`
[INFO] [stdout]  --> advanced/src/bin/10.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let zig = 3
[INFO] [stdout]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_zig`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zig`
[INFO] [stdout]   --> advanced/src/bin/10.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let zig = 3;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_zig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> advanced/src/bin/10.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |         struct Foo;
[INFO] [stdout]   |                ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `foo` is never used
[INFO] [stdout]  --> advanced/src/bin/10.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |         fn foo() {}
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `local` is assigned to, but never used
[INFO] [stdout]  --> advanced/src/bin/6.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut local = 0;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_local` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `local` is never read
[INFO] [stdout]   --> advanced/src/bin/6.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             local = 42;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     use_local!();
[INFO] [stdout]    |     ------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `use_local` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `x` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `y` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `z` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `a` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `b` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `c` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling aws-lc-sys v0.42.0
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling html5ever v0.27.0
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling zerofrom v0.1.8
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling selectors v0.25.0
[INFO] [stderr]    Compiling markup5ever v0.12.1
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling cssparser v0.31.2
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling scraper v0.20.0
[INFO] [stderr]    Compiling idna_adapter v1.2.2
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling timer_future v0.1.0 (/opt/rustwide/workdir/timer_future)
[INFO] [stderr]    Compiling tower-http v0.6.11
[INFO] [stderr]    Compiling h2 v0.4.15
[INFO] [stderr]    Compiling hyper v1.9.0
[INFO] [stderr]    Compiling rustls-webpki v0.103.13
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling rustls-platform-verifier v0.7.0
[INFO] [stderr]    Compiling hyper-rustls v0.27.9
[INFO] [stderr]    Compiling reqwest v0.12.28
[INFO] [stderr]    Compiling reqwest v0.13.4
[INFO] [stderr]    Compiling trpl v0.3.0
[INFO] [stderr]    Compiling async_demos v0.1.0 (/opt/rustwide/workdir/async_demos)
[INFO] [stderr]    Compiling demobins v0.1.0 (/opt/rustwide/workdir/demobins)
[INFO] [stdout] warning: field `manager` is never read
[INFO] [stdout]  --> demobins/src/2/8.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Interface<'b, 'a: 'b> {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] 2 |     manager: &'b mut Manager<'a>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `one` and `two` are never read
[INFO] [stdout]   --> demobins/src/3/1.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct HasTwoDrops {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 14 |     one: HasDrop1,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     two: HasDrop2,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> demobins/src/3/5.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Cons(i32, RefCell<Weak<List>>),
[INFO] [stdout]   |     ---- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Cons(i32, RefCell<Weak<List>>),
[INFO] [stdout] 8 +     Cons((), RefCell<Weak<List>>),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n1`
[INFO] [stdout]   --> demobins/src/2/6.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let n1 = "8".parse::<i32>()?;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> demobins/src/2/2.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn is_vec(v: &Vec<u8>) {}
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> demobins/src/1/8.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Point(i32, i32, i32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context`, `Poll`, and `Waker`
[INFO] [stdout]  --> demobins/src/3/8.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::task::{Context, Poll, Waker};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> demobins/src/1/5.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     read(&mut f1, &mut vec![]);
[INFO] [stdout]    |     -------------------------- any code following this expression is unreachable
[INFO] [stdout] 20 |     close(&mut f1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> demobins/src/1/10.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> demobins/src/2/3.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let x = Some(1);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guard`
[INFO] [stdout]  --> demobins/src/4/1.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | async fn expensive_parse(guard: &MutexGuard<'_, Vec<String>>) {}
[INFO] [stdout]   |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_guard`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expensive_parse` is never used
[INFO] [stdout]  --> demobins/src/4/1.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | async fn expensive_parse(guard: &MutexGuard<'_, Vec<String>>) {}
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_requests` is never used
[INFO] [stdout]  --> demobins/src/4/1.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | async fn process_requests(urls: Vec<String>) -> Vec<String> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Sleep` that must be used
[INFO] [stdout]   --> demobins/src/4/1.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         time::sleep(std::time::Duration::from_millis(100)); // Rate limit
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let _ = time::sleep(std::time::Duration::from_millis(100)); // Rate limit
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> demos/src/exam6.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let c = Cons(16, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> demos/src/exam6.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let b = Cons(14, Rc::clone(&a));
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]   --> demos/src/exam8.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let mut n = *o.lock().unwrap();
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_n` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]   --> demos/src/exam8.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |                 n += i;
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> demos/src/exam8.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         th.join();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let _ = th.join();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> restaurant/src/customer.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let order1 = back_of_house::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> restaurant/src/customer.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let order2 = back_of_house::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]  --> restaurant/src/lib.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn deliver_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fix_incorrect_order() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn cook_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> restaurant/src/back_of_house.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Breakfast {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout]  9 |     pub toast: String,
[INFO] [stdout] 10 |     seasonal_fruit: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/hosting.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn seat_at_table() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/serving.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn take_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/serving.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/serving.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn take_payment() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> webserver/src/thread_pool.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut threads = Vec::with_capacity(size);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> webserver/src/thread_pool.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn execute<F>(&self, f: F)
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RouteType` is never constructed
[INFO] [stdout]   --> webserver/src/server.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct RouteType {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> webserver/src/server.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl RouteType {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new() -> RouteType {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `threads` is never read
[INFO] [stdout]  --> webserver/src/thread_pool.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     threads: Vec<JoinHandle<()>>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling exam v0.1.0 (/opt/rustwide/workdir/exam)
[INFO] [stderr]    Compiling websrv v0.1.0 (/opt/rustwide/workdir/websrv)
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/rustwide/workdir/webserver)
[INFO] [stderr]    Compiling i_learn_grep v0.0.1 (/opt/rustwide/workdir/i_learn_grep)
[INFO] [stderr]    Compiling demobins v0.1.0 (/opt/rustwide/workdir/demobins)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> exam/src/bin/22.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let c = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]   --> exam/src/bin/22.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let d = CustomSmartPointer {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> exam/src/bin/14.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let value = String::from("closure called");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `height` is never read
[INFO] [stdout]  --> exam/src/bin/14.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Rectangle {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] 3 |     width: u32,
[INFO] [stdout] 4 |     height: u32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file` is never used
[INFO] [stdout]  --> exam/src/bin/5.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read_username_from_file() -> Result<String, io::Error> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> demobins/src/1/5.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     read(&mut f1, &mut vec![]);
[INFO] [stdout]    |     -------------------------- any code following this expression is unreachable
[INFO] [stdout] 20 |     close(&mut f1);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> demobins/src/2/3.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let x = Some(1);
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> demobins/src/1/10.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `manager` is never read
[INFO] [stdout]  --> demobins/src/2/8.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Interface<'b, 'a: 'b> {
[INFO] [stdout]   |        --------- field in this struct
[INFO] [stdout] 2 |     manager: &'b mut Manager<'a>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling async_demos v0.1.0 (/opt/rustwide/workdir/async_demos)
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> demobins/src/1/8.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Point(i32, i32, i32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> demobins/src/3/5.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Cons(i32, RefCell<Weak<List>>),
[INFO] [stdout]   |     ---- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Cons(i32, RefCell<Weak<List>>),
[INFO] [stdout] 8 +     Cons((), RefCell<Weak<List>>),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n1`
[INFO] [stdout]   --> demobins/src/2/6.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let n1 = "8".parse::<i32>()?;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context`, `Poll`, and `Waker`
[INFO] [stdout]  --> demobins/src/3/8.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::task::{Context, Poll, Waker};
[INFO] [stdout]   |                 ^^^^^^^  ^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> demobins/src/2/2.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn is_vec(v: &Vec<u8>) {}
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `guard`
[INFO] [stdout]  --> demobins/src/4/1.rs:6:26
[INFO] [stdout]   |
[INFO] [stdout] 6 | async fn expensive_parse(guard: &MutexGuard<'_, Vec<String>>) {}
[INFO] [stdout]   |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_guard`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expensive_parse` is never used
[INFO] [stdout]  --> demobins/src/4/1.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | async fn expensive_parse(guard: &MutexGuard<'_, Vec<String>>) {}
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_requests` is never used
[INFO] [stdout]  --> demobins/src/4/1.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | async fn process_requests(urls: Vec<String>) -> Vec<String> {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling macro_demos v0.1.0 (/opt/rustwide/workdir/macro_demos)
[INFO] [stdout] warning: unused `Sleep` that must be used
[INFO] [stdout]   --> demobins/src/4/1.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         time::sleep(std::time::Duration::from_millis(100)); // Rate limit
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let _ = time::sleep(std::time::Duration::from_millis(100)); // Rate limit
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stdout] warning: fields `one` and `two` are never read
[INFO] [stdout]   --> demobins/src/3/1.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct HasTwoDrops {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 14 |     one: HasDrop1,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 15 |     two: HasDrop2,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling demorun v0.1.0 (/opt/rustwide/workdir/demorun)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> exam/src/bin/23.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let Some(x) = some_option_value else {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Summary`
[INFO] [stdout]  --> demorun/src/demorun.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use demos::exam11::{world, Hello, Summary};
[INFO] [stdout]   |                                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ShirtColor` and `self`
[INFO] [stdout]  --> demorun/src/demorun.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use demos::exam2::{self, ShirtColor};
[INFO] [stdout]   |                    ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `demos::exam5::CustomSmartPointer`
[INFO] [stdout]  --> demorun/src/demorun.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use demos::exam5::CustomSmartPointer;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `demos::exam5::MyBox`
[INFO] [stdout]  --> demorun/src/demorun.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use demos::exam5::MyBox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `demos::exam7`
[INFO] [stdout]  --> demorun/src/demorun.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use demos::exam7;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `demos::exam8`
[INFO] [stdout]  --> demorun/src/demorun.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use demos::exam8;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `demos::exam9`
[INFO] [stdout]  --> demorun/src/demorun.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use demos::exam9;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `exam10` and `exam6`
[INFO] [stdout]  --> demorun/src/demorun.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | use demos::{exam10, exam6};
[INFO] [stdout]   |             ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `exam3` and `exam5`
[INFO] [stdout]  --> demorun/src/demorun.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use demos::{exam3, exam5};
[INFO] [stdout]   |             ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> webserver/src/thread_pool.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut threads = Vec::with_capacity(size);
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> webserver/src/thread_pool.rs:22:30
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn execute<F>(&self, f: F)
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RouteType` is never constructed
[INFO] [stdout]   --> webserver/src/server.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct RouteType {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> webserver/src/server.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl RouteType {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new() -> RouteType {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `threads` is never read
[INFO] [stdout]  --> webserver/src/thread_pool.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct ThreadPool {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 4 |     threads: Vec<JoinHandle<()>>,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Closure` is never constructed
[INFO] [stdout]   --> demorun/src/demorun.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Closure<F> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call` is never used
[INFO] [stdout]   --> demorun/src/demorun.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | / impl<F> Closure<F>
[INFO] [stdout] 17 | | where
[INFO] [stdout] 18 | |     F: for<'a> Fn(&'a (u8, u16)) -> &'a u8,
[INFO] [stdout]    | |___________________________________________- method in this implementation
[INFO] [stdout] 19 |   {
[INFO] [stdout] 20 |       fn call(&self) -> &u8 {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_it` is never used
[INFO] [stdout]   --> demorun/src/demorun.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn do_it(data: &(u8, u16)) -> &u8 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit`, `Move`, and `Write` are never constructed
[INFO] [stdout]  --> exam/src/bin/26.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Message {
[INFO] [stdout]   |      ------- variants in this enum
[INFO] [stdout] 2 |     Quit,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     Move { x: i32, y: i32 },
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     Write(String),
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling timer_future v0.1.0 (/opt/rustwide/workdir/timer_future)
[INFO] [stderr]    Compiling advanced v0.1.0 (/opt/rustwide/workdir/advanced)
[INFO] [stderr]    Compiling iredis v0.1.0 (/opt/rustwide/workdir/iredis)
[INFO] [stderr]    Compiling eular v0.1.0 (/opt/rustwide/workdir/eular)
[INFO] [stdout] warning: variable `local` is assigned to, but never used
[INFO] [stdout]  --> advanced/src/bin/6.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut local = 0;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_local` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `local` is never read
[INFO] [stdout]   --> advanced/src/bin/6.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |             local = 42;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     use_local!();
[INFO] [stdout]    |     ------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `use_local` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `person` should have an upper camel case name
[INFO] [stdout]   --> advanced/src/bin/8.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 | istruct! {person, String, i32}
[INFO] [stdout]    |           ^^^^^^ help: convert the identifier to upper camel case: `Person`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> advanced/src/bin/8.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let c = vec!["1", "2"];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]   --> advanced/src/bin/8.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             name: $tp1,
[INFO] [stdout]    |             ^^^^
[INFO] [stdout] 18 |             age: $tp2,
[INFO] [stdout]    |             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 | istruct! {person, String, i32}
[INFO] [stdout]    | ------------------------------
[INFO] [stdout]    | |         |
[INFO] [stdout]    | |         fields in this struct
[INFO] [stdout]    | in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `istruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling demos v0.1.0 (/opt/rustwide/workdir/demos)
[INFO] [stderr]    Compiling blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> blog/src/lib.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> demos/src/exam6.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let c = Cons(16, Rc::clone(&a));
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> demos/src/exam6.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let b = Cons(14, Rc::clone(&a));
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `n` is assigned to, but never used
[INFO] [stdout]   --> demos/src/exam8.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |             let mut n = *o.lock().unwrap();
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_n` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `n` is never read
[INFO] [stdout]   --> demos/src/exam8.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |                 n += i;
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> demos/src/exam8.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         th.join();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let _ = th.join();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `x` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `y` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `z` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `a` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `b` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] help: `c` is captured in macro and introduced a unused variable
[INFO] [stdout]   --> advanced/src/bin/12.rs:6:21
[INFO] [stdout]    |
[INFO] [stdout]  6 |                 let mut $x:i32;
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     i3![x, y, z, a, b, c];
[INFO] [stdout]    |     --------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> restaurant/src/customer.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let order1 = back_of_house::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> restaurant/src/customer.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let order2 = back_of_house::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]  --> restaurant/src/lib.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn deliver_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fix_incorrect_order() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]  --> restaurant/src/back_of_house.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn cook_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> restaurant/src/back_of_house.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct Breakfast {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout]  9 |     pub toast: String,
[INFO] [stdout] 10 |     seasonal_fruit: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/hosting.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn seat_at_table() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/serving.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn take_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/serving.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/serving.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn take_payment() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> advanced/src/bin/10.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let zig = 3;
[INFO] [stdout]    |                    ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zig`
[INFO] [stdout]  --> advanced/src/bin/10.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let zig = 3
[INFO] [stdout]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_zig`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `zig`
[INFO] [stdout]   --> advanced/src/bin/10.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let zig = 3;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_zig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> advanced/src/bin/10.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |         struct Foo;
[INFO] [stdout]   |                ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `foo` is never used
[INFO] [stdout]  --> advanced/src/bin/10.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |         fn foo() {}
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.29s
[INFO] running `Command { std: "docker" "inspect" "407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> demos/src/exam6.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let c = Cons(16, Rc::clone(&a));
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> demos/src/exam6.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let b = Cons(14, Rc::clone(&a));
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `n` is assigned to, but never used
[INFO] [stderr]   --> demos/src/exam8.rs:13:17
[INFO] [stderr]    |
[INFO] [stderr] 13 |             let mut n = *o.lock().unwrap();
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_n` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `n` is never read
[INFO] [stderr]   --> demos/src/exam8.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |                 n += i;
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> demos/src/exam8.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |         th.join();
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let _ = th.join();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `demos` (lib) generated 5 warnings (run `cargo fix --lib -p demos` to apply 2 suggestions)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> webserver/src/thread_pool.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let mut threads = Vec::with_capacity(size);
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> webserver/src/thread_pool.rs:22:30
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn execute<F>(&self, f: F)
[INFO] [stderr]    |                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RouteType` is never constructed
[INFO] [stderr]   --> webserver/src/server.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct RouteType {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> webserver/src/server.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl RouteType {
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 14 |     pub fn new() -> RouteType {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `threads` is never read
[INFO] [stderr]  --> webserver/src/thread_pool.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct ThreadPool {
[INFO] [stderr]   |            ---------- field in this struct
[INFO] [stderr] 4 |     threads: Vec<JoinHandle<()>>,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `order1`
[INFO] [stderr]   --> restaurant/src/customer.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let order1 = back_of_house::Appetizer::Soup;
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `order2`
[INFO] [stderr]   --> restaurant/src/customer.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let order2 = back_of_house::Appetizer::Salad;
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stderr] 
[INFO] [stderr] warning: function `deliver_order` is never used
[INFO] [stderr]  --> restaurant/src/lib.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn deliver_order() {}
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `fix_incorrect_order` is never used
[INFO] [stderr]  --> restaurant/src/back_of_house.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn fix_incorrect_order() {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `cook_order` is never used
[INFO] [stderr]  --> restaurant/src/back_of_house.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn cook_order() {}
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `seasonal_fruit` is never read
[INFO] [stderr]   --> restaurant/src/back_of_house.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | pub struct Breakfast {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr]  9 |     pub toast: String,
[INFO] [stderr] 10 |     seasonal_fruit: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `seat_at_table` is never used
[INFO] [stderr]  --> restaurant/src/front_of_house/hosting.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn seat_at_table() {
[INFO] [stderr]   |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `take_order` is never used
[INFO] [stderr]  --> restaurant/src/front_of_house/serving.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn take_order() {}
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `serve_order` is never used
[INFO] [stderr]  --> restaurant/src/front_of_house/serving.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn serve_order() {}
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `take_payment` is never used
[INFO] [stderr]  --> restaurant/src/front_of_house/serving.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn take_payment() {}
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> exam/src/bin/23.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let Some(x) = some_option_value else {
[INFO] [stderr]   |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `webserver` (lib) generated 5 warnings (run `cargo fix --lib -p webserver` to apply 2 suggestions)
[INFO] [stderr] warning: `restaurant` (lib) generated 10 warnings (run `cargo fix --lib -p restaurant` to apply 2 suggestions)
[INFO] [stderr] warning: `exam` (bin "23" test) generated 1 warning (run `cargo fix --bin "23" -p exam --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> exam/src/bin/22.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let c = CustomSmartPointer {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]   --> exam/src/bin/22.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let d = CustomSmartPointer {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> exam/src/bin/14.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let value = String::from("closure called");
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `height` is never read
[INFO] [stderr]  --> exam/src/bin/14.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Rectangle {
[INFO] [stderr]   |        --------- field in this struct
[INFO] [stderr] 3 |     width: u32,
[INFO] [stderr] 4 |     height: u32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_username_from_file` is never used
[INFO] [stderr]  --> exam/src/bin/5.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn read_username_from_file() -> Result<String, io::Error> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Summary`
[INFO] [stderr]  --> demorun/src/demorun.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use demos::exam11::{world, Hello, Summary};
[INFO] [stderr]   |                                   ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ShirtColor` and `self`
[INFO] [stderr]  --> demorun/src/demorun.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 | use demos::exam2::{self, ShirtColor};
[INFO] [stderr]   |                    ^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `demos::exam5::CustomSmartPointer`
[INFO] [stderr]  --> demorun/src/demorun.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use demos::exam5::CustomSmartPointer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `demos::exam5::MyBox`
[INFO] [stderr]  --> demorun/src/demorun.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use demos::exam5::MyBox;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `demos::exam7`
[INFO] [stderr]  --> demorun/src/demorun.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use demos::exam7;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `demos::exam8`
[INFO] [stderr]  --> demorun/src/demorun.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use demos::exam8;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `demos::exam9`
[INFO] [stderr]  --> demorun/src/demorun.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use demos::exam9;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `exam10` and `exam6`
[INFO] [stderr]  --> demorun/src/demorun.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use demos::{exam10, exam6};
[INFO] [stderr]   |             ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `exam3` and `exam5`
[INFO] [stderr]  --> demorun/src/demorun.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 | use demos::{exam3, exam5};
[INFO] [stderr]   |             ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Closure` is never constructed
[INFO] [stderr]   --> demorun/src/demorun.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Closure<F> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `call` is never used
[INFO] [stderr]   --> demorun/src/demorun.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | / impl<F> Closure<F>
[INFO] [stderr] 17 | | where
[INFO] [stderr] 18 | |     F: for<'a> Fn(&'a (u8, u16)) -> &'a u8,
[INFO] [stderr]    | |___________________________________________- method in this implementation
[INFO] [stderr] 19 |   {
[INFO] [stderr] 20 |       fn call(&self) -> &u8 {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `do_it` is never used
[INFO] [stderr]   --> demorun/src/demorun.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn do_it(data: &(u8, u16)) -> &u8 {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `exam` (bin "22" test) generated 2 warnings (run `cargo fix --bin "22" -p exam --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `exam` (bin "14" test) generated 2 warnings (run `cargo fix --bin "14" -p exam --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `exam` (bin "5" test) generated 1 warning
[INFO] [stderr] warning: `demorun` (bin "demorun" test) generated 12 warnings (run `cargo fix --bin "demorun" -p demorun --tests` to apply 9 suggestions)
[INFO] [stderr] warning: variants `Quit`, `Move`, and `Write` are never constructed
[INFO] [stderr]  --> exam/src/bin/26.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Message {
[INFO] [stderr]   |      ------- variants in this enum
[INFO] [stderr] 2 |     Quit,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 3 |     Move { x: i32, y: i32 },
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 4 |     Write(String),
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `webserver` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: `exam` (bin "26" test) generated 1 warning
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> blog/src/lib.rs:111:9
[INFO] [stderr]     |
[INFO] [stderr] 111 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `person` should have an upper camel case name
[INFO] [stderr]   --> advanced/src/bin/8.rs:22:11
[INFO] [stderr]    |
[INFO] [stderr] 22 | istruct! {person, String, i32}
[INFO] [stderr]    |           ^^^^^^ help: convert the identifier to upper camel case: `Person`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> advanced/src/bin/8.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let c = vec!["1", "2"];
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `age` are never read
[INFO] [stderr]   --> advanced/src/bin/8.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |             name: $tp1,
[INFO] [stderr]    |             ^^^^
[INFO] [stderr] 18 |             age: $tp2,
[INFO] [stderr]    |             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 | istruct! {person, String, i32}
[INFO] [stderr]    | ------------------------------
[INFO] [stderr]    | |         |
[INFO] [stderr]    | |         fields in this struct
[INFO] [stderr]    | in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `istruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `blog` (lib test) generated 1 warning (run `cargo fix --lib -p blog --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `advanced` (bin "8" test) generated 3 warnings (run `cargo fix --bin "8" -p advanced --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> advanced/src/bin/12.rs:6:21
[INFO] [stderr]    |
[INFO] [stderr]  6 |                 let mut $x:i32;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     i3![x, y, z, a, b, c];
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr] help: `x` is captured in macro and introduced a unused variable
[INFO] [stderr]   --> advanced/src/bin/12.rs:6:21
[INFO] [stderr]    |
[INFO] [stderr]  6 |                 let mut $x:i32;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     i3![x, y, z, a, b, c];
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> advanced/src/bin/12.rs:6:21
[INFO] [stderr]    |
[INFO] [stderr]  6 |                 let mut $x:i32;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     i3![x, y, z, a, b, c];
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr] help: `y` is captured in macro and introduced a unused variable
[INFO] [stderr]   --> advanced/src/bin/12.rs:6:21
[INFO] [stderr]    |
[INFO] [stderr]  6 |                 let mut $x:i32;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     i3![x, y, z, a, b, c];
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]   --> advanced/src/bin/12.rs:6:21
[INFO] [stderr]    |
[INFO] [stderr]  6 |                 let mut $x:i32;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     i3![x, y, z, a, b, c];
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr] help: `z` is captured in macro and introduced a unused variable
[INFO] [stderr]   --> advanced/src/bin/12.rs:6:21
[INFO] [stderr]    |
[INFO] [stderr]  6 |                 let mut $x:i32;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     i3![x, y, z, a, b, c];
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> advanced/src/bin/12.rs:6:21
[INFO] [stderr]    |
[INFO] [stderr]  6 |                 let mut $x:i32;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     i3![x, y, z, a, b, c];
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr] help: `a` is captured in macro and introduced a unused variable
[INFO] [stderr]   --> advanced/src/bin/12.rs:6:21
[INFO] [stderr]    |
[INFO] [stderr]  6 |                 let mut $x:i32;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     i3![x, y, z, a, b, c];
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> advanced/src/bin/12.rs:6:21
[INFO] [stderr]    |
[INFO] [stderr]  6 |                 let mut $x:i32;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     i3![x, y, z, a, b, c];
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr] help: `b` is captured in macro and introduced a unused variable
[INFO] [stderr]   --> advanced/src/bin/12.rs:6:21
[INFO] [stderr]    |
[INFO] [stderr]  6 |                 let mut $x:i32;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     i3![x, y, z, a, b, c];
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> advanced/src/bin/12.rs:6:21
[INFO] [stderr]    |
[INFO] [stderr]  6 |                 let mut $x:i32;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     i3![x, y, z, a, b, c];
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr] help: `c` is captured in macro and introduced a unused variable
[INFO] [stderr]   --> advanced/src/bin/12.rs:6:21
[INFO] [stderr]    |
[INFO] [stderr]  6 |                 let mut $x:i32;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     i3![x, y, z, a, b, c];
[INFO] [stderr]    |     --------------------- in this macro invocation
[INFO] [stderr]    = note: this warning originates in the macro `i3` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable `local` is assigned to, but never used
[INFO] [stderr]  --> advanced/src/bin/6.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut local = 0;
[INFO] [stderr]   |         ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider using `_local` instead
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `local` is never read
[INFO] [stderr]   --> advanced/src/bin/6.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             local = 42;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 15 |     use_local!();
[INFO] [stderr]    |     ------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `use_local` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> advanced/src/bin/10.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let zig = 3;
[INFO] [stderr]    |                    ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `zig`
[INFO] [stderr]  --> advanced/src/bin/10.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let zig = 3
[INFO] [stderr]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_zig`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `zig`
[INFO] [stderr]   --> advanced/src/bin/10.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |         let zig = 3;
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_zig`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Foo` is never constructed
[INFO] [stderr]  --> advanced/src/bin/10.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 |         struct Foo;
[INFO] [stderr]   |                ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `foo` is never used
[INFO] [stderr]  --> advanced/src/bin/10.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |         fn foo() {}
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advanced` (bin "12" test) generated 6 warnings
[INFO] [stderr] warning: `demos` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: `advanced` (bin "6" test) generated 2 warnings
[INFO] [stderr] warning: `advanced` (bin "10" test) generated 5 warnings (run `cargo fix --bin "10" -p advanced --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `restaurant` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr] warning: struct `Point` is never constructed
[INFO] [stderr]  --> demobins/src/1/8.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Point(i32, i32, i32);
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `manager` is never read
[INFO] [stderr]  --> demobins/src/2/8.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Interface<'b, 'a: 'b> {
[INFO] [stderr]   |        --------- field in this struct
[INFO] [stderr] 2 |     manager: &'b mut Manager<'a>,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Context`, `Poll`, and `Waker`
[INFO] [stderr]  --> demobins/src/3/8.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::task::{Context, Poll, Waker};
[INFO] [stderr]   |                 ^^^^^^^  ^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `one` and `two` are never read
[INFO] [stderr]   --> demobins/src/3/1.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct HasTwoDrops {
[INFO] [stderr]    |        ----------- fields in this struct
[INFO] [stderr] 14 |     one: HasDrop1,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 15 |     two: HasDrop2,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `guard`
[INFO] [stderr]  --> demobins/src/4/1.rs:6:26
[INFO] [stderr]   |
[INFO] [stderr] 6 | async fn expensive_parse(guard: &MutexGuard<'_, Vec<String>>) {}
[INFO] [stderr]   |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_guard`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `expensive_parse` is never used
[INFO] [stderr]  --> demobins/src/4/1.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | async fn expensive_parse(guard: &MutexGuard<'_, Vec<String>>) {}
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `process_requests` is never used
[INFO] [stderr]  --> demobins/src/4/1.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | async fn process_requests(urls: Vec<String>) -> Vec<String> {
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Sleep` that must be used
[INFO] [stderr]   --> demobins/src/4/1.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         time::sleep(std::time::Duration::from_millis(100)); // Rate limit
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: futures do nothing unless you `.await` or poll them
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let _ = time::sleep(std::time::Duration::from_millis(100)); // Rate limit
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `demobins` (bin "1-8" test) generated 1 warning
[INFO] [stderr] warning: `demobins` (bin "2-8" test) generated 1 warning
[INFO] [stderr] warning: `demobins` (bin "3-8" test) generated 1 warning (run `cargo fix --bin "3-8" -p demobins --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `demobins` (bin "3-1" test) generated 1 warning
[INFO] [stderr] warning: `demobins` (bin "4-1" test) generated 4 warnings (run `cargo fix --bin "4-1" -p demobins --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> demobins/src/2/3.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let x = Some(1);
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n1`
[INFO] [stderr]   --> demobins/src/2/6.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let n1 = "8".parse::<i32>()?;
[INFO] [stderr]    |         ^^ help: if this is intentional, prefix it with an underscore: `_n1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]  --> demobins/src/1/10.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::Add;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> demobins/src/1/5.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     read(&mut f1, &mut vec![]);
[INFO] [stderr]    |     -------------------------- any code following this expression is unreachable
[INFO] [stderr] 20 |     close(&mut f1);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> demobins/src/2/2.rs:31:11
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn is_vec(v: &Vec<u8>) {}
[INFO] [stderr]    |           ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `demobins` (bin "2-3" test) generated 1 warning (run `cargo fix --bin "2-3" -p demobins --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `demobins` (bin "2-6" test) generated 1 warning (run `cargo fix --bin "2-6" -p demobins --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `demobins` (bin "1-10" test) generated 1 warning (run `cargo fix --bin "1-10" -p demobins --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `demobins` (bin "1-5" test) generated 1 warning
[INFO] [stderr] warning: `demobins` (bin "2-2" test) generated 1 warning (run `cargo fix --bin "2-2" -p demobins --tests` to apply 1 suggestion)
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> demobins/src/3/5.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Cons(i32, RefCell<Weak<List>>),
[INFO] [stderr]   |     ---- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `List` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 8 -     Cons(i32, RefCell<Weak<List>>),
[INFO] [stderr] 8 +     Cons((), RefCell<Weak<List>>),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `demobins` (bin "3-5" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running unittests src/bin/1.rs (/opt/rustwide/target/debug/deps/1-87772264f6bef743)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/10.rs (/opt/rustwide/target/debug/deps/10-2a6b98974c6580de)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/11.rs (/opt/rustwide/target/debug/deps/11-347e9d93078f9491)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/12.rs (/opt/rustwide/target/debug/deps/12-daac773f60671e9e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2.rs (/opt/rustwide/target/debug/deps/2-04add3e8fd852623)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/3.rs (/opt/rustwide/target/debug/deps/3-2d30925c500f2bde)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/4.rs (/opt/rustwide/target/debug/deps/4-d24208cc21bc2aaf)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/5.rs (/opt/rustwide/target/debug/deps/5-71fd9fb292edb40d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/6.rs (/opt/rustwide/target/debug/deps/6-a39aa78a12039532)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/bin/7.rs (/opt/rustwide/target/debug/deps/7-b40535273acbcf96)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/8.rs (/opt/rustwide/target/debug/deps/8-fa3b394a4c778c26)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/9.rs (/opt/rustwide/target/debug/deps/9-1238ce3936e259ce)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advanced-76284e2ec180b6a1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/async_demos-580d05560d417dab)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blog-1e8b06b79dfee9c3)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/1/1.rs (/opt/rustwide/target/debug/deps/1_1-b28eb9c543c32dc9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/1/10.rs (/opt/rustwide/target/debug/deps/1_10-2aa18d133a31efb8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/1/11.rs (/opt/rustwide/target/debug/deps/1_11-f70068fbe3387326)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/1/2.rs (/opt/rustwide/target/debug/deps/1_2-0025037e2f480f85)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/1/3.rs (/opt/rustwide/target/debug/deps/1_3-40c39c94e0265c52)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/1/4.rs (/opt/rustwide/target/debug/deps/1_4-77c4cc09e647321a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/1/5.rs (/opt/rustwide/target/debug/deps/1_5-735124ba1fb019ae)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/1/6.rs (/opt/rustwide/target/debug/deps/1_6-c86888cb1eadb407)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/1/7.rs (/opt/rustwide/target/debug/deps/1_7-d2d2b5ca7995c52c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/1/8.rs (/opt/rustwide/target/debug/deps/1_8-0161096ccad61d82)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/1/9.rs (/opt/rustwide/target/debug/deps/1_9-98d939f2ec5c6bf9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2/1.rs (/opt/rustwide/target/debug/deps/2_1-7ddd5935647828fe)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2/10.rs (/opt/rustwide/target/debug/deps/2_10-3d452b2bf6fca119)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2/2.rs (/opt/rustwide/target/debug/deps/2_2-46e91c448b92025b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2/3.rs (/opt/rustwide/target/debug/deps/2_3-053e05411f9ebf73)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2/4.rs (/opt/rustwide/target/debug/deps/2_4-04af3bd0ea42b6c0)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/2/5.rs (/opt/rustwide/target/debug/deps/2_5-0204f50b7eaacb85)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2/6.rs (/opt/rustwide/target/debug/deps/2_6-8a5ba84878d960bc)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/2/7.rs (/opt/rustwide/target/debug/deps/2_7-8255418374d510a2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2/8.rs (/opt/rustwide/target/debug/deps/2_8-37c220f1ea9ebd51)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/2/9.rs (/opt/rustwide/target/debug/deps/2_9-9250275cabdde71d)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3/1.rs (/opt/rustwide/target/debug/deps/3_1-ea0a8ed1533d576a)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3/10.rs (/opt/rustwide/target/debug/deps/3_10-90893751a0a20b9a)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3/2.rs (/opt/rustwide/target/debug/deps/3_2-e52821cd07b5af18)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3/3.rs (/opt/rustwide/target/debug/deps/3_3-783ebfd8ea165ab7)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3/4.rs (/opt/rustwide/target/debug/deps/3_4-2936be9f37e8b521)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3/5.rs (/opt/rustwide/target/debug/deps/3_5-262fbe5cdfaa3854)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3/6.rs (/opt/rustwide/target/debug/deps/3_6-4dba762d3b3242fe)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3/7.rs (/opt/rustwide/target/debug/deps/3_7-f10bbf201cd0c489)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/3/8.rs (/opt/rustwide/target/debug/deps/3_8-546d826b8752087f)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/3/9.rs (/opt/rustwide/target/debug/deps/3_9-3f69d9813ffa95fb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/4/1.rs (/opt/rustwide/target/debug/deps/4_1-c331e53be33e0ce6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/demorun.rs (/opt/rustwide/target/debug/deps/demorun-c2ccf319bf70e84f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/all.rs (/opt/rustwide/target/debug/deps/demos-cfcd783c4ef5adc9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test exam4::tests::test_shoes_in_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/1.rs (/opt/rustwide/target/debug/deps/1-48921fe2f4b0bbf9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/2.rs (/opt/rustwide/target/debug/deps/2-8b7ef78e66244784)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/3.rs (/opt/rustwide/target/debug/deps/3-d859a28e154fe13e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/4.rs (/opt/rustwide/target/debug/deps/4-26a0343d34e0772e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/5.rs (/opt/rustwide/target/debug/deps/5-9725cdfe3abe7055)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/6.rs (/opt/rustwide/target/debug/deps/6-b69ecf14a336ec3a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/eular-f0c9bf5de66cde38)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/1.rs (/opt/rustwide/target/debug/deps/1-d371b94d6f2b181b)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/10.rs (/opt/rustwide/target/debug/deps/10-948a2cb446bb4f36)
[INFO] [stderr]      Running unittests src/bin/11.rs (/opt/rustwide/target/debug/deps/11-673cced5f823581b)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/12.rs (/opt/rustwide/target/debug/deps/12-84001f861aff4663)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::another ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `-p exam --bin 12`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::another stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::another' (8247) panicked at exam/src/bin/12.rs:17:9:
[INFO] [stdout] Make this test fail
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d01b5afb0e1 - std[73adb7dc35730857]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5d01b5afb0e1 - std[73adb7dc35730857]::backtrace_rs::backtrace::trace_unsynchronized::<std[73adb7dc35730857]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5d01b5afb0e1 - std[73adb7dc35730857]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5d01b5afb0e1 - <<std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6883ba1bc0fe4ed1]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5d01b5b0edea - <core[6883ba1bc0fe4ed1]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5d01b5b0edea - core[6883ba1bc0fe4ed1]::fmt::write
[INFO] [stdout]    6:     0x5d01b5aff59c - std[73adb7dc35730857]::io::default_write_fmt::<alloc[55a36b64bcbf2c0d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:626:11
[INFO] [stdout]    7:     0x5d01b5aff59c - <alloc[55a36b64bcbf2c0d]::vec::Vec<u8> as std[73adb7dc35730857]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/io/mod.rs:1730:13
[INFO] [stdout]    8:     0x5d01b5ad9856 - <std[73adb7dc35730857]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5d01b5ad9856 - std[73adb7dc35730857]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5d01b5af3309 - std[73adb7dc35730857]::panicking::default_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5d01b5a8e370 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   12:     0x5d01b5a8e370 - test[980ffaebd391d06d]::test_main_inner::<test[980ffaebd391d06d]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5d01b5af34c2 - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn for<'a, 'b> core[6883ba1bc0fe4ed1]::ops::function::Fn<(&'a std[73adb7dc35730857]::panic::PanicHookInfo<'b>,), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send + core[6883ba1bc0fe4ed1]::marker::Sync> as core[6883ba1bc0fe4ed1]::ops::function::Fn<(&std[73adb7dc35730857]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2333:9
[INFO] [stdout]   14:     0x5d01b5af34c2 - std[73adb7dc35730857]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:823:13
[INFO] [stdout]   15:     0x5d01b5ad9934 - std[73adb7dc35730857]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:681:13
[INFO] [stdout]   16:     0x5d01b5ad1269 - std[73adb7dc35730857]::sys::backtrace::__rust_end_short_backtrace::<std[73adb7dc35730857]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5d01b5ada4fd - __rustc[a7b7b02e776dd976]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:679:5
[INFO] [stdout]   18:     0x5d01b5b0f51c - core[6883ba1bc0fe4ed1]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5d01b5a81075 - 12[9d725789fa480e4d]::tests::another
[INFO] [stdout]                                at /opt/rustwide/workdir/exam/src/bin/12.rs:17:9
[INFO] [stdout]   20:     0x5d01b5a80ca7 - 12[9d725789fa480e4d]::tests::another::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/exam/src/bin/12.rs:16:17
[INFO] [stdout]   21:     0x5d01b5a81596 - <12[9d725789fa480e4d]::tests::another::{closure#0} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x5d01b5a816ab - <fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5d01b5a816ab - test[980ffaebd391d06d]::__rust_begin_short_backtrace::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, fn() -> core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:724:18
[INFO] [stdout]   24:     0x5d01b5a8ecf5 - test[980ffaebd391d06d]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:74
[INFO] [stdout]   25:     0x5d01b5a8ecf5 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x5d01b5a8ecf5 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   27:     0x5d01b5a8ecf5 - std[73adb7dc35730857]::panicking::catch_unwind::<core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>, core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x5d01b5a8ecf5 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<test[980ffaebd391d06d]::run_test_in_process::{closure#0}>, core[6883ba1bc0fe4ed1]::result::Result<(), alloc[55a36b64bcbf2c0d]::string::String>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x5d01b5a8ecf5 - test[980ffaebd391d06d]::run_test_in_process
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:747:27
[INFO] [stdout]   30:     0x5d01b5a8ecf5 - test[980ffaebd391d06d]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:668:43
[INFO] [stdout]   31:     0x5d01b5a897a4 - test[980ffaebd391d06d]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/test/src/lib.rs:698:41
[INFO] [stdout]   32:     0x5d01b5a897a4 - std[73adb7dc35730857]::sys::backtrace::__rust_begin_short_backtrace::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x5d01b5a91e42 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   34:     0x5d01b5a91e42 - <core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x5d01b5a91e42 - std[73adb7dc35730857]::panicking::catch_unwind::do_call::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:576:43
[INFO] [stdout]   36:     0x5d01b5a91e42 - std[73adb7dc35730857]::panicking::catch_unwind::<(), core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x5d01b5a91e42 - std[73adb7dc35730857]::panic::catch_unwind::<core[6883ba1bc0fe4ed1]::panic::unwind_safe::AssertUnwindSafe<std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x5d01b5a91e42 - std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked::<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   39:     0x5d01b5a91e42 - <std[73adb7dc35730857]::thread::lifecycle::spawn_unchecked<test[980ffaebd391d06d]::run_test::{closure#1}, ()>::{closure#1} as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5d01b5afa96f - <alloc[55a36b64bcbf2c0d]::boxed::Box<dyn core[6883ba1bc0fe4ed1]::ops::function::FnOnce<(), Output = ()> + core[6883ba1bc0fe4ed1]::marker::Send> as core[6883ba1bc0fe4ed1]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/alloc/src/boxed.rs:2319:9
[INFO] [stdout]   41:     0x5d01b5afa96f - <std[73adb7dc35730857]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/6b3fa26749ab40e159b2dd5cf577acaaf5902772/library/std/src/sys/thread/unix.rs:123:17
[INFO] [stdout]   42:     0x78b3dcb2baa4 - <unknown>
[INFO] [stdout]   43:     0x78b3dcbb8a64 - clone
[INFO] [stdout]   44:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::another
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349", kill_on_drop: false }`
[INFO] [stdout] 407752ec77783936af444531a098a2f517b2248e4a64395516b64cd450cca349
