[INFO] cloning repository https://github.com/ashleendaly/concurrency-with-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ashleendaly/concurrency-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashleendaly%2Fconcurrency-with-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashleendaly%2Fconcurrency-with-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff0a66754a7c6b81602f513200b7cc32cf5ba989
[INFO] checking ashleendaly/concurrency-with-rust against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashleendaly%2Fconcurrency-with-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ashleendaly/concurrency-with-rust
[INFO] finished tweaking git repo https://github.com/ashleendaly/concurrency-with-rust
[INFO] tweaked toml for git repo https://github.com/ashleendaly/concurrency-with-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ashleendaly/concurrency-with-rust on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ashleendaly/concurrency-with-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61fdfd34e3ef0094174de3ac483e5c4956d612c70358d182a459b2c13d896e45
[INFO] running `Command { std: "docker" "start" "-a" "61fdfd34e3ef0094174de3ac483e5c4956d612c70358d182a459b2c13d896e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61fdfd34e3ef0094174de3ac483e5c4956d612c70358d182a459b2c13d896e45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fdfd34e3ef0094174de3ac483e5c4956d612c70358d182a459b2c13d896e45", kill_on_drop: false }`
[INFO] [stdout] 61fdfd34e3ef0094174de3ac483e5c4956d612c70358d182a459b2c13d896e45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a99b107c36bef0f4fc0e73463f0ded8837e1cba854a994c1145c010efe6552d
[INFO] running `Command { std: "docker" "start" "-a" "0a99b107c36bef0f4fc0e73463f0ded8837e1cba854a994c1145c010efe6552d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking channels_elevator_simulator v0.1.0 (/opt/rustwide/workdir/channels_elevator_simulator)
[INFO] [stderr]     Checking divide_work v0.1.0 (/opt/rustwide/workdir/divide_work)
[INFO] [stderr]     Checking parked_threads_message_queue v0.1.0 (/opt/rustwide/workdir/parked_threads_message_queue)
[INFO] [stderr]     Checking thread_builder v0.1.0 (/opt/rustwide/workdir/thread_builder)
[INFO] [stderr]     Checking not-a-footgun v0.1.0 (/opt/rustwide/workdir/not-a-footgun)
[INFO] [stderr]     Checking mutexes v0.1.0 (/opt/rustwide/workdir/mutexes)
[INFO] [stderr]     Checking rwlocks v0.1.0 (/opt/rustwide/workdir/rwlocks)
[INFO] [stderr]     Checking poisoner v0.1.0 (/opt/rustwide/workdir/poisoner)
[INFO] [stderr]     Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/scoped_threads)
[INFO] [stderr]     Checking deadlocks v0.1.0 (/opt/rustwide/workdir/deadlocks)
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]   --> deadlocks/src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let lock = SHARED.lock().unwrap();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking concurrency-with-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `hello_thread` is never used
[INFO] [stdout]  --> src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn hello_thread(i: i16) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]   --> deadlocks/src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let lock = SHARED.lock().unwrap();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_thread` is never used
[INFO] [stdout]  --> src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn hello_thread(i: i16) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking dashmap_wordcounter v0.1.0 (/opt/rustwide/workdir/dashmap_wordcounter)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "0a99b107c36bef0f4fc0e73463f0ded8837e1cba854a994c1145c010efe6552d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a99b107c36bef0f4fc0e73463f0ded8837e1cba854a994c1145c010efe6552d", kill_on_drop: false }`
[INFO] [stdout] 0a99b107c36bef0f4fc0e73463f0ded8837e1cba854a994c1145c010efe6552d