[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] 702eacc0838521ec1ba9e0b0adb2eaa94fb2754e
[INFO] testing hwch/rust against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwch%2Frust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hwch/rust on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded siphasher v1.0.3
[INFO] [stderr]   Downloaded scraper v0.20.0
[INFO] [stderr]   Downloaded html5ever v0.27.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.72
[INFO] [stderr]   Downloaded trpl v0.3.0
[INFO] [stderr]   Downloaded markup5ever v0.12.1
[INFO] [stderr]   Downloaded tower-http v0.6.11
[INFO] [stderr]   Downloaded web-sys v0.3.99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c09ec3510faae47b12193007f5e64cc3cecd173811fa2612ecda4b951c235fa
[INFO] running `Command { std: "docker" "start" "-a" "0c09ec3510faae47b12193007f5e64cc3cecd173811fa2612ecda4b951c235fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c09ec3510faae47b12193007f5e64cc3cecd173811fa2612ecda4b951c235fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c09ec3510faae47b12193007f5e64cc3cecd173811fa2612ecda4b951c235fa", kill_on_drop: false }`
[INFO] [stdout] 0c09ec3510faae47b12193007f5e64cc3cecd173811fa2612ecda4b951c235fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0166c1bfc6d40a81e001a3ba34addccfa1cedc6bc892e2921f700f23c4437809
[INFO] running `Command { std: "docker" "start" "-a" "0166c1bfc6d40a81e001a3ba34addccfa1cedc6bc892e2921f700f23c4437809", 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 `exam v0.1.0 (/opt/rustwide/workdir/exam)` 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 `exam v0.1.0 (/opt/rustwide/workdir/exam)` 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/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 `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 `exam v0.1.0 (/opt/rustwide/workdir/exam)` 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 `exam v0.1.0 (/opt/rustwide/workdir/exam)` 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 `exam v0.1.0 (/opt/rustwide/workdir/exam)` 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 `exam v0.1.0 (/opt/rustwide/workdir/exam)` 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 `exam v0.1.0 (/opt/rustwide/workdir/exam)` 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 `exam v0.1.0 (/opt/rustwide/workdir/exam)` 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 `exam v0.1.0 (/opt/rustwide/workdir/exam)` 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 `exam v0.1.0 (/opt/rustwide/workdir/exam)` 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 `exam v0.1.0 (/opt/rustwide/workdir/exam)` 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/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 i_learn_grep v0.0.1 (/opt/rustwide/workdir/i_learn_grep)
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling siphasher v1.0.3
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling litemap v0.8.2
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling cc v1.2.62
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling rustls-pki-types v1.14.1
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling rustls v0.23.40
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling dtoa v1.0.11
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling html5ever v0.27.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling ipnet v2.12.0
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling webpki-roots v1.0.7
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling servo_arc v0.3.0
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling ego-tree v0.6.3
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling webserver v0.1.0 (/opt/rustwide/workdir/webserver)
[INFO] [stderr]    Compiling macro_demos v0.1.0 (/opt/rustwide/workdir/macro_demos)
[INFO] [stderr]    Compiling websrv v0.1.0 (/opt/rustwide/workdir/websrv)
[INFO] [stderr]    Compiling blog v0.1.0 (/opt/rustwide/workdir/blog)
[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 restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stderr]    Compiling demos v0.1.0 (/opt/rustwide/workdir/demos)
[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] [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 socket2 v0.6.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling zerofrom v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[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] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling zerotrie v0.2.4
[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 tokio v1.52.3
[INFO] [stderr]    Compiling string_cache v0.8.9
[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] [stderr]    Compiling demorun v0.1.0 (/opt/rustwide/workdir/demorun)
[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] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling advanced v0.1.0 (/opt/rustwide/workdir/advanced)
[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: 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: 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: 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 tinystr v0.8.3
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[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 ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rustls-webpki v0.103.13
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling selectors v0.25.0
[INFO] [stderr]    Compiling markup5ever v0.12.1
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling hyper v1.9.0
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]    Compiling cssparser v0.31.2
[INFO] [stderr]    Compiling tower-http v0.6.11
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling scraper v0.20.0
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling hyper-rustls v0.27.9
[INFO] [stderr]    Compiling reqwest v0.12.28
[INFO] [stderr]    Compiling trpl v0.3.0
[INFO] [stderr]    Compiling demobins v0.1.0 (/opt/rustwide/workdir/demobins)
[INFO] [stderr]    Compiling async_demos v0.1.0 (/opt/rustwide/workdir/async_demos)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.02s
[INFO] running `Command { std: "docker" "inspect" "0166c1bfc6d40a81e001a3ba34addccfa1cedc6bc892e2921f700f23c4437809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0166c1bfc6d40a81e001a3ba34addccfa1cedc6bc892e2921f700f23c4437809", kill_on_drop: false }`
[INFO] [stdout] 0166c1bfc6d40a81e001a3ba34addccfa1cedc6bc892e2921f700f23c4437809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8637ce240dfcac3828de7b53229094d6c537a0754d7738e25c9d251ad3542514
[INFO] running `Command { std: "docker" "start" "-a" "8637ce240dfcac3828de7b53229094d6c537a0754d7738e25c9d251ad3542514", kill_on_drop: false }`
[INFO] [stderr]    Compiling macro_demos v0.1.0 (/opt/rustwide/workdir/macro_demos)
[INFO] [stderr]    Compiling restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stderr]    Compiling demorun v0.1.0 (/opt/rustwide/workdir/demorun)
[INFO] [stderr]    Compiling websrv v0.1.0 (/opt/rustwide/workdir/websrv)
[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: 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: 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 webserver v0.1.0 (/opt/rustwide/workdir/webserver)
[INFO] [stderr]    Compiling exam v0.1.0 (/opt/rustwide/workdir/exam)
[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: 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: 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: 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] [stderr]    Compiling i_learn_grep v0.0.1 (/opt/rustwide/workdir/i_learn_grep)
[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: 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: 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: `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] [stderr]    Compiling demos v0.1.0 (/opt/rustwide/workdir/demos)
[INFO] [stderr]    Compiling advanced v0.1.0 (/opt/rustwide/workdir/advanced)
[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: `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: 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 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] [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 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: 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: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "8637ce240dfcac3828de7b53229094d6c537a0754d7738e25c9d251ad3542514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8637ce240dfcac3828de7b53229094d6c537a0754d7738e25c9d251ad3542514", kill_on_drop: false }`
[INFO] [stdout] 8637ce240dfcac3828de7b53229094d6c537a0754d7738e25c9d251ad3542514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c84224a7c7408a1640e94789be6a9f57f47f293d0c92922ddd64b52d665d5680
[INFO] running `Command { std: "docker" "start" "-a" "c84224a7c7408a1640e94789be6a9f57f47f293d0c92922ddd64b52d665d5680", 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: `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: `webserver` (lib test) generated 5 warnings (5 duplicates)
[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: `demorun` (bin "demorun" test) generated 12 warnings (run `cargo fix --bin "demorun" -p demorun --tests` to apply 9 suggestions)
[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 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: 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: `exam` (bin "5" test) generated 1 warning
[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 "26" test) generated 1 warning
[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: 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: `exam` (bin "23" test) generated 1 warning (run `cargo fix --bin "23" -p exam --tests` to apply 1 suggestion)
[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: 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: 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: 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: `demos` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: `restaurant` (lib test) generated 10 warnings (10 duplicates)
[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: `advanced` (bin "6" test) generated 2 warnings
[INFO] [stderr] warning: `advanced` (bin "10" test) generated 3 warnings (run `cargo fix --bin "10" -p advanced --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `blog` (lib test) generated 1 warning (run `cargo fix --lib -p blog --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running unittests src/bin/1.rs (/opt/rustwide/target/debug/deps/1-0f6e7ca95c916670)
[INFO] [stderr]      Running unittests src/bin/10.rs (/opt/rustwide/target/debug/deps/10-5483ab3a05cf1e37)
[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] [stderr]      Running unittests src/bin/11.rs (/opt/rustwide/target/debug/deps/11-bd110a3692e0672c)
[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/12.rs (/opt/rustwide/target/debug/deps/12-3b149e61962abf75)
[INFO] [stderr]      Running unittests src/bin/2.rs (/opt/rustwide/target/debug/deps/2-fb9e6687313a2b47)
[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/3.rs (/opt/rustwide/target/debug/deps/3-77cbc8efe14a973b)
[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/bin/4.rs (/opt/rustwide/target/debug/deps/4-2b0f839a23a643d0)
[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/5-003ec339a8410fd4)
[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/6-62626bc085608d52)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/7.rs (/opt/rustwide/target/debug/deps/7-3293c0398fb56057)
[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/8.rs (/opt/rustwide/target/debug/deps/8-de82d653afa4a8e9)
[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/9.rs (/opt/rustwide/target/debug/deps/9-624f5630b0c87158)
[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-607ddea175a96d52)
[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/main.rs (/opt/rustwide/target/debug/deps/async_demos-5b9b419dc55f6ce5)
[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] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/blog-b46bca49aafa323e)
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/1/1.rs (/opt/rustwide/target/debug/deps/exam1_1-6cb1157f6b99112d)
[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-faabb2a1617ba2e9)
[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-9d288de31b490abf)
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/1.rs (/opt/rustwide/target/debug/deps/1-6d9b2bb7ee995086)
[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/10-3394485e821d37a6)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/11.rs (/opt/rustwide/target/debug/deps/11-0d8e61ea436bc8a0)
[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/bin/12.rs (/opt/rustwide/target/debug/deps/12-f3c8ac207225c490)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::another ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::another stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::another' (41) panicked at exam/src/bin/12.rs:17:9:
[INFO] [stdout] Make this test fail
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56ce82f0d738 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56ce82f0d738 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56ce82f0d738 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56ce82f0d738 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56ce82f214fa - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56ce82f214fa - core[28b146924c2f19c6]::fmt::write
[INFO] [stdout]    6:     0x56ce82f11f52 - std[929523f510218772]::io::default_write_fmt::<alloc[95e62e727ddf147d]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stdout]    7:     0x56ce82f11f52 - <alloc[95e62e727ddf147d]::vec::Vec<u8> as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stdout]    8:     0x56ce82eec8e6 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56ce82eec8e6 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56ce82f05c89 - std[929523f510218772]::panicking::default_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56ce82ea1d3c - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   12:     0x56ce82ea1d3c - test[6ec0502068880816]::test_main_inner::<test[6ec0502068880816]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x56ce82f05e42 - <alloc[95e62e727ddf147d]::boxed::Box<dyn for<'a, 'b> core[28b146924c2f19c6]::ops::function::Fn<(&'a std[929523f510218772]::panic::PanicHookInfo<'b>,), Output = ()> + core[28b146924c2f19c6]::marker::Sync + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::Fn<(&std[929523f510218772]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2291:9
[INFO] [stdout]   14:     0x56ce82f05e42 - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56ce82eec9d4 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x56ce82ee1ba9 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56ce82eed6bd - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56ce82f21bec - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56ce82e947e5 - 12[e495f09bf3335124]::tests::another
[INFO] [stdout]                                at /opt/rustwide/workdir/exam/src/bin/12.rs:17:9
[INFO] [stdout]   20:     0x56ce82e94417 - 12[e495f09bf3335124]::tests::another::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/exam/src/bin/12.rs:16:17
[INFO] [stdout]   21:     0x56ce82e94d06 - <12[e495f09bf3335124]::tests::another::{closure#0} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x56ce82e94e1b - <fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x56ce82e94e1b - test[6ec0502068880816]::__rust_begin_short_backtrace::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, fn() -> core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:724:18
[INFO] [stdout]   24:     0x56ce82ea2695 - test[6ec0502068880816]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:74
[INFO] [stdout]   25:     0x56ce82ea2695 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   26:     0x56ce82ea2695 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   27:     0x56ce82ea2695 - std[929523f510218772]::panicking::catch_unwind::<core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>, core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   28:     0x56ce82ea2695 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<test[6ec0502068880816]::run_test_in_process::{closure#0}>, core[28b146924c2f19c6]::result::Result<(), alloc[95e62e727ddf147d]::string::String>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   29:     0x56ce82ea2695 - test[6ec0502068880816]::run_test_in_process
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:747:27
[INFO] [stdout]   30:     0x56ce82ea2695 - test[6ec0502068880816]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:668:43
[INFO] [stdout]   31:     0x56ce82e9d1f4 - test[6ec0502068880816]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/test/src/lib.rs:698:41
[INFO] [stdout]   32:     0x56ce82e9d1f4 - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<test[6ec0502068880816]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   33:     0x56ce82ea5712 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   34:     0x56ce82ea5712 - <core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   35:     0x56ce82ea5712 - std[929523f510218772]::panicking::catch_unwind::do_call::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stdout]   36:     0x56ce82ea5712 - std[929523f510218772]::panicking::catch_unwind::<(), core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stdout]   37:     0x56ce82ea5712 - std[929523f510218772]::panic::catch_unwind::<core[28b146924c2f19c6]::panic::unwind_safe::AssertUnwindSafe<std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stdout]   38:     0x56ce82ea5712 - std[929523f510218772]::thread::lifecycle::spawn_unchecked::<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   39:     0x56ce82ea5712 - <std[929523f510218772]::thread::lifecycle::spawn_unchecked<test[6ec0502068880816]::run_test::{closure#1}, ()>::{closure#1} as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x56ce82f0d09f - <alloc[95e62e727ddf147d]::boxed::Box<dyn core[28b146924c2f19c6]::ops::function::FnOnce<(), Output = ()> + core[28b146924c2f19c6]::marker::Send> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/alloc/src/boxed.rs:2277:9
[INFO] [stdout]   41:     0x56ce82f0d09f - <std[929523f510218772]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   42:     0x77efb08a5aa4 - <unknown>
[INFO] [stdout]   43:     0x77efb0932a64 - 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 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p exam --bin 12`
[INFO] running `Command { std: "docker" "inspect" "c84224a7c7408a1640e94789be6a9f57f47f293d0c92922ddd64b52d665d5680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84224a7c7408a1640e94789be6a9f57f47f293d0c92922ddd64b52d665d5680", kill_on_drop: false }`
[INFO] [stdout] c84224a7c7408a1640e94789be6a9f57f47f293d0c92922ddd64b52d665d5680
