[INFO] fetching crate flaky-finder 0.2.22... [INFO] testing flaky-finder-0.2.22 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate flaky-finder 0.2.22 into /workspace/builds/worker-1-tc2/source [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-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flaky-finder 0.2.22 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate flaky-finder 0.2.22 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 17e18c0ac53177f1a80d22738a3cb21cd3a600a2e4dd7e2fb863aefd0f8a2f25 [INFO] running `Command { std: "docker" "start" "-a" "17e18c0ac53177f1a80d22738a3cb21cd3a600a2e4dd7e2fb863aefd0f8a2f25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "17e18c0ac53177f1a80d22738a3cb21cd3a600a2e4dd7e2fb863aefd0f8a2f25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17e18c0ac53177f1a80d22738a3cb21cd3a600a2e4dd7e2fb863aefd0f8a2f25", kill_on_drop: false }` [INFO] [stdout] 17e18c0ac53177f1a80d22738a3cb21cd3a600a2e4dd7e2fb863aefd0f8a2f25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f239644c7aebd8856a97bed865876b47458f718ab4bd0bd13f84792729eb2c7 [INFO] running `Command { std: "docker" "start" "-a" "8f239644c7aebd8856a97bed865876b47458f718ab4bd0bd13f84792729eb2c7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling number_prefix v0.3.0 [INFO] [stderr] Compiling vec_map v0.8.1 [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 clicolors-control v1.0.1 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling regex v1.3.1 [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 `exit_status` is never read [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) struct FlakyFinder { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | exit_status: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FlakyFinder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.52s [INFO] running `Command { std: "docker" "inspect" "8f239644c7aebd8856a97bed865876b47458f718ab4bd0bd13f84792729eb2c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f239644c7aebd8856a97bed865876b47458f718ab4bd0bd13f84792729eb2c7", kill_on_drop: false }` [INFO] [stdout] 8f239644c7aebd8856a97bed865876b47458f718ab4bd0bd13f84792729eb2c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9539592bc7138cbb4ed863c6262e424edc0fe7bd101444f6550de97178ebb57 [INFO] running `Command { std: "docker" "start" "-a" "a9539592bc7138cbb4ed863c6262e424edc0fe7bd101444f6550de97178ebb57", kill_on_drop: false }` [INFO] [stderr] Compiling flaky-finder v0.2.22 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `exit_status` is never read [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) struct FlakyFinder { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | exit_status: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `FlakyFinder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "a9539592bc7138cbb4ed863c6262e424edc0fe7bd101444f6550de97178ebb57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9539592bc7138cbb4ed863c6262e424edc0fe7bd101444f6550de97178ebb57", kill_on_drop: false }` [INFO] [stdout] a9539592bc7138cbb4ed863c6262e424edc0fe7bd101444f6550de97178ebb57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 598af39d738ffe2f365d43ac27a99391bf2802d71d9afc0f237e6054bae808c0 [INFO] running `Command { std: "docker" "start" "-a" "598af39d738ffe2f365d43ac27a99391bf2802d71d9afc0f237e6054bae808c0", kill_on_drop: false }` [INFO] [stderr] warning: field `exit_status` is never read [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 19 | pub(crate) struct FlakyFinder { [INFO] [stderr] | ----------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 23 | exit_status: Option, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `FlakyFinder` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `flaky-finder` (bin "flaky-finder" test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flaky_finder-c7b86d0f1f301217) [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 0.03s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "598af39d738ffe2f365d43ac27a99391bf2802d71d9afc0f237e6054bae808c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "598af39d738ffe2f365d43ac27a99391bf2802d71d9afc0f237e6054bae808c0", kill_on_drop: false }` [INFO] [stdout] 598af39d738ffe2f365d43ac27a99391bf2802d71d9afc0f237e6054bae808c0