[INFO] cloning repository https://github.com/sheldonoreoli/02-concurrency [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sheldonoreoli/02-concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsheldonoreoli%2F02-concurrency", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsheldonoreoli%2F02-concurrency'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 63f78f789970ffd80c189deed5ed866b6668cc46 [INFO] checking sheldonoreoli/02-concurrency against try#723ab942d877517caf445dafde0416803ef56501 for pr-143857 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsheldonoreoli%2F02-concurrency" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/sheldonoreoli/02-concurrency [INFO] finished tweaking git repo https://github.com/sheldonoreoli/02-concurrency [INFO] tweaked toml for git repo https://github.com/sheldonoreoli/02-concurrency written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/sheldonoreoli/02-concurrency on toolchain 723ab942d877517caf445dafde0416803ef56501 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/sheldonoreoli/02-concurrency 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" "+723ab942d877517caf445dafde0416803ef56501" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anyhow v1.0.83 [INFO] [stderr] Downloaded cc v1.0.98 [INFO] [stderr] Downloaded proc-macro2 v1.0.84 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ce321d173d7fa53178a9c86d33da7dc36d201b1eaf4daa9d162b35107603030 [INFO] running `Command { std: "docker" "start" "-a" "8ce321d173d7fa53178a9c86d33da7dc36d201b1eaf4daa9d162b35107603030", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ce321d173d7fa53178a9c86d33da7dc36d201b1eaf4daa9d162b35107603030", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ce321d173d7fa53178a9c86d33da7dc36d201b1eaf4daa9d162b35107603030", kill_on_drop: false }` [INFO] [stdout] 8ce321d173d7fa53178a9c86d33da7dc36d201b1eaf4daa9d162b35107603030 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53521a3a86dcc334a77c68e27f6c3d4b2a53e5c3438c01d87e9685e2220e9465 [INFO] running `Command { std: "docker" "start" "-a" "53521a3a86dcc334a77c68e27f6c3d4b2a53e5c3438c01d87e9685e2220e9465", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Compiling proc-macro2 v1.0.84 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking overload v0.1.1 [INFO] [stderr] Compiling anyhow v1.0.83 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bytes v1.6.0 [INFO] [stderr] Checking nu-ansi-term v0.46.0 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking matchers v0.1.0 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking tracing-subscriber v0.3.18 [INFO] [stderr] Checking concurrency v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `fmt::write` [INFO] [stdout] --> src/metrics/amap.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | fmt::write, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::write` [INFO] [stdout] --> src/metrics/amap.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | fmt::write, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Matrix` is never constructed [INFO] [stdout] --> src/matrix.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Matrix { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply` is never used [INFO] [stdout] --> src/matrix.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn multiply(a: &Matrix, b: &Matrix) -> Result> [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/matrix.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 39 | / impl Matrix [INFO] [stdout] 40 | | where [INFO] [stdout] 41 | | T: fmt::Debug, [INFO] [stdout] | |__________________- associated function in this implementation [INFO] [stdout] 42 | { [INFO] [stdout] 43 | pub fn new(data: impl Into>, rows: usize, cols: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `value` are never read [INFO] [stdout] --> examples/thread1.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct Msg { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 11 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] 12 | value: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Msg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.57s [INFO] running `Command { std: "docker" "inspect" "53521a3a86dcc334a77c68e27f6c3d4b2a53e5c3438c01d87e9685e2220e9465", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53521a3a86dcc334a77c68e27f6c3d4b2a53e5c3438c01d87e9685e2220e9465", kill_on_drop: false }` [INFO] [stdout] 53521a3a86dcc334a77c68e27f6c3d4b2a53e5c3438c01d87e9685e2220e9465