[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 master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsheldonoreoli%2F02-concurrency" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sheldonoreoli/02-concurrency on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-3-tc1/source/Cargo.toml [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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db4f67ebc2313be1bccf8dacfd10f65f7d925ae698692de3ef4b9c2a2ab71602 [INFO] running `Command { std: "docker" "start" "-a" "db4f67ebc2313be1bccf8dacfd10f65f7d925ae698692de3ef4b9c2a2ab71602", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db4f67ebc2313be1bccf8dacfd10f65f7d925ae698692de3ef4b9c2a2ab71602", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db4f67ebc2313be1bccf8dacfd10f65f7d925ae698692de3ef4b9c2a2ab71602", kill_on_drop: false }` [INFO] [stdout] db4f67ebc2313be1bccf8dacfd10f65f7d925ae698692de3ef4b9c2a2ab71602 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d31d191ad655dcaa682dd0e0ace4d1573615df6d243bd841e8beaa62d3337de1 [INFO] running `Command { std: "docker" "start" "-a" "d31d191ad655dcaa682dd0e0ace4d1573615df6d243bd841e8beaa62d3337de1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Compiling proc-macro2 v1.0.84 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling anyhow v1.0.83 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking parking_lot_core v0.9.10 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling syn v2.0.66 [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] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking regex v1.10.4 [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: 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] = note: `#[warn(dead_code)]` on by default [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.95s [INFO] running `Command { std: "docker" "inspect" "d31d191ad655dcaa682dd0e0ace4d1573615df6d243bd841e8beaa62d3337de1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d31d191ad655dcaa682dd0e0ace4d1573615df6d243bd841e8beaa62d3337de1", kill_on_drop: false }` [INFO] [stdout] d31d191ad655dcaa682dd0e0ace4d1573615df6d243bd841e8beaa62d3337de1