[INFO] cloning repository https://github.com/rarebreed/brushup-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rarebreed/brushup-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarebreed%2Fbrushup-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarebreed%2Fbrushup-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8a97a18ea2aa982229071741851af75164b6ad62 [INFO] testing rarebreed/brushup-rs against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarebreed%2Fbrushup-rs" "/workspace/builds/worker-56/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rarebreed/brushup-rs 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 git repo https://github.com/rarebreed/brushup-rs [INFO] finished tweaking git repo https://github.com/rarebreed/brushup-rs [INFO] tweaked toml for git repo https://github.com/rarebreed/brushup-rs written to /workspace/builds/worker-56/source/Cargo.toml [INFO] crate git repo https://github.com/rarebreed/brushup-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 rand v0.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] c25ab1aec0e672783a4e8a62eeb89b04d555c5c31fc1b9ceb889917918f99404 [INFO] running `Command { std: "docker" "start" "-a" "c25ab1aec0e672783a4e8a62eeb89b04d555c5c31fc1b9ceb889917918f99404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c25ab1aec0e672783a4e8a62eeb89b04d555c5c31fc1b9ceb889917918f99404", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c25ab1aec0e672783a4e8a62eeb89b04d555c5c31fc1b9ceb889917918f99404", kill_on_drop: false }` [INFO] [stdout] c25ab1aec0e672783a4e8a62eeb89b04d555c5c31fc1b9ceb889917918f99404 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 815b67b4bd0c1b089459aa012200fa17e8338e25683bc5f39e3f3bd4458199f6 [INFO] running `Command { std: "docker" "start" "-a" "815b67b4bd0c1b089459aa012200fa17e8338e25683bc5f39e3f3bd4458199f6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling greedy v0.1.0 (/opt/rustwide/workdir/greedy) [INFO] [stderr] Compiling tree v0.1.0 (/opt/rustwide/workdir/tree) [INFO] [stderr] Compiling dynamic v0.1.0 (/opt/rustwide/workdir/dynamic) [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.1 [INFO] [stderr] Compiling arrays v0.1.0 (/opt/rustwide/workdir/arrays) [INFO] [stdout] warning: function is never used: `create_meetings` [INFO] [stdout] --> arrays/src/helpers/utils.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn create_meetings(num_meetings: u16) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [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 [unoptimized + debuginfo] target(s) in 28.59s [INFO] running `Command { std: "docker" "inspect" "815b67b4bd0c1b089459aa012200fa17e8338e25683bc5f39e3f3bd4458199f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "815b67b4bd0c1b089459aa012200fa17e8338e25683bc5f39e3f3bd4458199f6", kill_on_drop: false }` [INFO] [stdout] 815b67b4bd0c1b089459aa012200fa17e8338e25683bc5f39e3f3bd4458199f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 6729a5433c6b697c07e9960bc3335956ae45e2494f40fec7700a9f172e360489 [INFO] running `Command { std: "docker" "start" "-a" "6729a5433c6b697c07e9960bc3335956ae45e2494f40fec7700a9f172e360489", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling greedy v0.1.0 (/opt/rustwide/workdir/greedy) [INFO] [stderr] Compiling dynamic v0.1.0 (/opt/rustwide/workdir/dynamic) [INFO] [stderr] Compiling tree v0.1.0 (/opt/rustwide/workdir/tree) [INFO] [stderr] Compiling arrays v0.1.0 (/opt/rustwide/workdir/arrays) [INFO] [stdout] warning: function is never used: `create_meetings` [INFO] [stdout] --> arrays/src/helpers/utils.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn create_meetings(num_meetings: u16) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `meetings` [INFO] [stdout] --> arrays/src/lib.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let meetings = create_meetings(100); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meetings` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.46s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6729a5433c6b697c07e9960bc3335956ae45e2494f40fec7700a9f172e360489", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6729a5433c6b697c07e9960bc3335956ae45e2494f40fec7700a9f172e360489", kill_on_drop: false }` [INFO] [stdout] 6729a5433c6b697c07e9960bc3335956ae45e2494f40fec7700a9f172e360489 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] cfef07d8eefc7e84de98fb2f7118c629ef3ace0c2982294b75343ea558e6d763 [INFO] running `Command { std: "docker" "start" "-a" "cfef07d8eefc7e84de98fb2f7118c629ef3ace0c2982294b75343ea558e6d763", kill_on_drop: false }` [INFO] [stderr] warning: function is never used: `create_meetings` [INFO] [stderr] --> arrays/src/helpers/utils.rs:26:8 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn create_meetings(num_meetings: u16) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `meetings` [INFO] [stderr] --> arrays/src/lib.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let meetings = create_meetings(100); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meetings` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `arrays` (lib) generated 1 warning [INFO] [stderr] warning: `arrays` (lib test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/arrays-dec85e86625f4c35) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test tests::merge_meetings ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/dynamic-398e6e898dd23a55) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/greedy-599ee2770b777f96) [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tree-c7b95fd8de0b43e2) [INFO] [stdout] [INFO] [stderr] Doc-tests arrays [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 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] [stderr] Doc-tests dynamic [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] [stderr] Doc-tests greedy [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] [stderr] Doc-tests tree [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" "cfef07d8eefc7e84de98fb2f7118c629ef3ace0c2982294b75343ea558e6d763", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfef07d8eefc7e84de98fb2f7118c629ef3ace0c2982294b75343ea558e6d763", kill_on_drop: false }` [INFO] [stdout] cfef07d8eefc7e84de98fb2f7118c629ef3ace0c2982294b75343ea558e6d763