[INFO] cloning repository https://github.com/ZPTX4869/learn-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZPTX4869/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZPTX4869%2Flearn-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZPTX4869%2Flearn-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 79cb7e79858f3aaa0376edfe189e96727efbb371 [INFO] checking ZPTX4869/learn-rust against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZPTX4869%2Flearn-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ZPTX4869/learn-rust on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ZPTX4869/learn-rust [INFO] finished tweaking git repo https://github.com/ZPTX4869/learn-rust [INFO] tweaked toml for git repo https://github.com/ZPTX4869/learn-rust written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/ZPTX4869/learn-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 483755d9f8bd82108fd15f090666b962550e7808130c390b49e4125b0c58bbaf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "483755d9f8bd82108fd15f090666b962550e7808130c390b49e4125b0c58bbaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "483755d9f8bd82108fd15f090666b962550e7808130c390b49e4125b0c58bbaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "483755d9f8bd82108fd15f090666b962550e7808130c390b49e4125b0c58bbaf", kill_on_drop: false }` [INFO] [stdout] 483755d9f8bd82108fd15f090666b962550e7808130c390b49e4125b0c58bbaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 11e8a1bbede25f7d03204d74ac33d841c1dfa4259c0daa625e5d11ebe8b9a50d [INFO] running `Command { std: "docker" "start" "-a" "11e8a1bbede25f7d03204d74ac33d841c1dfa4259c0daa625e5d11ebe8b9a50d", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking learn-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `sort` [INFO] [stdout] --> src/algorithm/sort/bubble_sort.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn sort(slice: &mut [T]) { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `traverse` [INFO] [stdout] --> src/algorithm/sort/util.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn traverse(slice: &[T]) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.82s [INFO] running `Command { std: "docker" "inspect" "11e8a1bbede25f7d03204d74ac33d841c1dfa4259c0daa625e5d11ebe8b9a50d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11e8a1bbede25f7d03204d74ac33d841c1dfa4259c0daa625e5d11ebe8b9a50d", kill_on_drop: false }` [INFO] [stdout] 11e8a1bbede25f7d03204d74ac33d841c1dfa4259c0daa625e5d11ebe8b9a50d