[INFO] fetching crate flaky-finder 0.2.22... [INFO] testing flaky-finder-0.2.22 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate flaky-finder 0.2.22 into /workspace/builds/worker-68/source [INFO] validating manifest of crates.io crate flaky-finder 0.2.22 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate flaky-finder 0.2.22 [INFO] finished tweaking crates.io crate flaky-finder 0.2.22 [INFO] tweaked toml for crates.io crate flaky-finder 0.2.22 written to /workspace/builds/worker-68/source/Cargo.toml [INFO] crate crates.io crate flaky-finder 0.2.22 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded clicolors-control v1.0.1 [INFO] [stderr] Downloaded indicatif v0.12.0 [INFO] [stderr] Downloaded termios v0.3.1 [INFO] [stderr] Downloaded console v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f687b9a3133baa7d895abfea740edcfb907b6346dda096072ee3beab7af2719f [INFO] running `Command { std: "docker" "start" "-a" "f687b9a3133baa7d895abfea740edcfb907b6346dda096072ee3beab7af2719f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f687b9a3133baa7d895abfea740edcfb907b6346dda096072ee3beab7af2719f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f687b9a3133baa7d895abfea740edcfb907b6346dda096072ee3beab7af2719f", kill_on_drop: false }` [INFO] [stdout] f687b9a3133baa7d895abfea740edcfb907b6346dda096072ee3beab7af2719f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70735afcc4b33618ebeb85626f65331a1b9ddbe83055b6e68709ccd565aa6403 [INFO] running `Command { std: "docker" "start" "-a" "70735afcc4b33618ebeb85626f65331a1b9ddbe83055b6e68709ccd565aa6403", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling number_prefix v0.3.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling crossbeam-channel v0.3.9 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling console v0.9.0 [INFO] [stderr] Compiling indicatif v0.12.0 [INFO] [stderr] Compiling flaky-finder v0.2.22 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `exit_status` [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | exit_status: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `FlakyFinder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.75s [INFO] running `Command { std: "docker" "inspect" "70735afcc4b33618ebeb85626f65331a1b9ddbe83055b6e68709ccd565aa6403", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70735afcc4b33618ebeb85626f65331a1b9ddbe83055b6e68709ccd565aa6403", kill_on_drop: false }` [INFO] [stdout] 70735afcc4b33618ebeb85626f65331a1b9ddbe83055b6e68709ccd565aa6403 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e62c29e564c81ec7f490a497671c7b64661a107aec5db81f157975652f9ff0fd [INFO] running `Command { std: "docker" "start" "-a" "e62c29e564c81ec7f490a497671c7b64661a107aec5db81f157975652f9ff0fd", kill_on_drop: false }` [INFO] [stderr] Compiling flaky-finder v0.2.22 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `exit_status` [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | exit_status: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `FlakyFinder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:18:10 [INFO] [stdout] | [INFO] [stdout] 18 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "e62c29e564c81ec7f490a497671c7b64661a107aec5db81f157975652f9ff0fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e62c29e564c81ec7f490a497671c7b64661a107aec5db81f157975652f9ff0fd", kill_on_drop: false }` [INFO] [stdout] e62c29e564c81ec7f490a497671c7b64661a107aec5db81f157975652f9ff0fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 790df04a4da7ead446bb1d654d252e8c35d355bcce7cf7ab4c7a0d681f027a4a [INFO] running `Command { std: "docker" "start" "-a" "790df04a4da7ead446bb1d654d252e8c35d355bcce7cf7ab4c7a0d681f027a4a", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `exit_status` [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | exit_status: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `FlakyFinder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:18:10 [INFO] [stderr] | [INFO] [stderr] 18 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `flaky-finder` (bin "flaky-finder" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/flaky_finder-f7aad396f8af05c8) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::new_test ... ok [INFO] [stdout] test tests::failing_test - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "790df04a4da7ead446bb1d654d252e8c35d355bcce7cf7ab4c7a0d681f027a4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "790df04a4da7ead446bb1d654d252e8c35d355bcce7cf7ab4c7a0d681f027a4a", kill_on_drop: false }` [INFO] [stdout] 790df04a4da7ead446bb1d654d252e8c35d355bcce7cf7ab4c7a0d681f027a4a