[INFO] cloning repository https://github.com/skade/htwg-scratchpad [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skade/htwg-scratchpad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fhtwg-scratchpad", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fhtwg-scratchpad'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e1144441bb210af318d7e23caf586938df7ce40a [INFO] checking skade/htwg-scratchpad against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fhtwg-scratchpad" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skade/htwg-scratchpad on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/skade/htwg-scratchpad [INFO] finished tweaking git repo https://github.com/skade/htwg-scratchpad [INFO] tweaked toml for git repo https://github.com/skade/htwg-scratchpad written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/skade/htwg-scratchpad 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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] efb1e7d5c352708c0989e72fa12a23f6c27abb8b3586d65e41329de136f8a72d [INFO] running `Command { std: "docker" "start" "-a" "efb1e7d5c352708c0989e72fa12a23f6c27abb8b3586d65e41329de136f8a72d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "efb1e7d5c352708c0989e72fa12a23f6c27abb8b3586d65e41329de136f8a72d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efb1e7d5c352708c0989e72fa12a23f6c27abb8b3586d65e41329de136f8a72d", kill_on_drop: false }` [INFO] [stdout] efb1e7d5c352708c0989e72fa12a23f6c27abb8b3586d65e41329de136f8a72d [INFO] checking skade/htwg-scratchpad against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fhtwg-scratchpad" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skade/htwg-scratchpad on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/skade/htwg-scratchpad [INFO] finished tweaking git repo https://github.com/skade/htwg-scratchpad [INFO] tweaked toml for git repo https://github.com/skade/htwg-scratchpad written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/skade/htwg-scratchpad 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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec37ecf4b54f10e8e32749aeb90c21696ce40bb901a5bd1217f9024bf890fa5d [INFO] running `Command { std: "docker" "start" "-a" "ec37ecf4b54f10e8e32749aeb90c21696ce40bb901a5bd1217f9024bf890fa5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec37ecf4b54f10e8e32749aeb90c21696ce40bb901a5bd1217f9024bf890fa5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec37ecf4b54f10e8e32749aeb90c21696ce40bb901a5bd1217f9024bf890fa5d", kill_on_drop: false }` [INFO] [stdout] ec37ecf4b54f10e8e32749aeb90c21696ce40bb901a5bd1217f9024bf890fa5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3be5031eb3ffdadadafb41ac561023a8f00bc6e9c2b21fd3edfe66386def1c65 [INFO] running `Command { std: "docker" "start" "-a" "3be5031eb3ffdadadafb41ac561023a8f00bc6e9c2b21fd3edfe66386def1c65", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking libc v0.2.23 [INFO] [stderr] Checking futures v0.1.13 [INFO] [stderr] Checking cfg-if v0.1.0 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking lazycell v0.4.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Checking net2 v0.2.29 [INFO] [stderr] Checking num_cpus v1.4.0 [INFO] [stderr] Checking bytes v0.4.3 [INFO] [stderr] Checking mio v0.6.7 [INFO] [stderr] Checking tokio-io v0.1.1 [INFO] [stderr] Checking futures-cpupool v0.1.5 [INFO] [stderr] Checking tokio-timer v0.1.1 [INFO] [stderr] Checking tokio-core v0.1.7 [INFO] [stderr] Checking htwg-scratchpad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/read_file.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | cpu_pool.spawn(read_file).wait(); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 48 | let _ = cpu_pool.spawn(read_file).wait(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pass` [INFO] [stdout] --> src/bin/select.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let pass = 900; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pass` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pass` [INFO] [stdout] --> src/bin/select.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let pass = 900; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pass` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/read_file.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | cpu_pool.spawn(read_file).wait(); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 48 | let _ = cpu_pool.spawn(read_file).wait(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.52s [INFO] running `Command { std: "docker" "inspect" "3be5031eb3ffdadadafb41ac561023a8f00bc6e9c2b21fd3edfe66386def1c65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3be5031eb3ffdadadafb41ac561023a8f00bc6e9c2b21fd3edfe66386def1c65", kill_on_drop: false }` [INFO] [stdout] 3be5031eb3ffdadadafb41ac561023a8f00bc6e9c2b21fd3edfe66386def1c65