[INFO] fetching crate algorithms 0.2.1... [INFO] testing algorithms-0.2.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate algorithms 0.2.1 into /workspace/builds/worker-103/source [INFO] validating manifest of crates.io crate algorithms 0.2.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate algorithms 0.2.1 [INFO] finished tweaking crates.io crate algorithms 0.2.1 [INFO] tweaked toml for crates.io crate algorithms 0.2.1 written to /workspace/builds/worker-103/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bbbc69abec1c656b257a643d97a2b25506ac4415c66ba0df821f8e1dedb717ab [INFO] running `Command { std: "docker" "start" "-a" "bbbc69abec1c656b257a643d97a2b25506ac4415c66ba0df821f8e1dedb717ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bbbc69abec1c656b257a643d97a2b25506ac4415c66ba0df821f8e1dedb717ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbbc69abec1c656b257a643d97a2b25506ac4415c66ba0df821f8e1dedb717ab", kill_on_drop: false }` [INFO] [stdout] bbbc69abec1c656b257a643d97a2b25506ac4415c66ba0df821f8e1dedb717ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3241a962e580d90001317fa71ec2b4709964dc493f676a379f6575aefa39637b [INFO] running `Command { std: "docker" "start" "-a" "3241a962e580d90001317fa71ec2b4709964dc493f676a379f6575aefa39637b", kill_on_drop: false }` [INFO] [stderr] Compiling algorithms v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cmp` [INFO] [stdout] --> src/searching.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "3241a962e580d90001317fa71ec2b4709964dc493f676a379f6575aefa39637b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3241a962e580d90001317fa71ec2b4709964dc493f676a379f6575aefa39637b", kill_on_drop: false }` [INFO] [stdout] 3241a962e580d90001317fa71ec2b4709964dc493f676a379f6575aefa39637b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5988a24a375c550ed40592f5994a9d4a3d72fb406b2a9b0ae0eeb441fa282a37 [INFO] running `Command { std: "docker" "start" "-a" "5988a24a375c550ed40592f5994a9d4a3d72fb406b2a9b0ae0eeb441fa282a37", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: unused import: `std::cmp` [INFO] [stdout] --> src/searching.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling algorithms v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cmp` [INFO] [stdout] --> src/searching.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let mut ve1 = vec![6, 5, 4, 3, 2, 1]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let mut ve2 = vec![1, 2, 3, 4, 5, 6]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.25s [INFO] running `Command { std: "docker" "inspect" "5988a24a375c550ed40592f5994a9d4a3d72fb406b2a9b0ae0eeb441fa282a37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5988a24a375c550ed40592f5994a9d4a3d72fb406b2a9b0ae0eeb441fa282a37", kill_on_drop: false }` [INFO] [stdout] 5988a24a375c550ed40592f5994a9d4a3d72fb406b2a9b0ae0eeb441fa282a37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0a0f8c26de5272ff55f562b7e931ca40cae98a8bc08a16035142ab7ef17d1085 [INFO] running `Command { std: "docker" "start" "-a" "0a0f8c26de5272ff55f562b7e931ca40cae98a8bc08a16035142ab7ef17d1085", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/searching.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `algorithms` (lib) generated 1 warning [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | let mut ve1 = vec![6, 5, 4, 3, 2, 1]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | let mut ve2 = vec![1, 2, 3, 4, 5, 6]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `algorithms` (lib test) generated 3 warnings (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/algorithms-a1de2ee4cdcc4794) [INFO] [stdout] [INFO] [stderr] Doc-tests algorithms [INFO] [stdout] running 5 tests [INFO] [stdout] test sorting::tests::is_sorted ... ok [INFO] [stdout] test sorting::selection_sort::tests::sort_numbers ... ok [INFO] [stdout] test tests::bubble_sort ... ok [INFO] [stdout] test tests::merge_sort ... ok [INFO] [stdout] test tests::quick_sort ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 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] running `Command { std: "docker" "inspect" "0a0f8c26de5272ff55f562b7e931ca40cae98a8bc08a16035142ab7ef17d1085", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a0f8c26de5272ff55f562b7e931ca40cae98a8bc08a16035142ab7ef17d1085", kill_on_drop: false }` [INFO] [stdout] 0a0f8c26de5272ff55f562b7e931ca40cae98a8bc08a16035142ab7ef17d1085