[INFO] fetching crate cargo-stress 0.1.0...
[INFO] testing cargo-stress-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate cargo-stress 0.1.0 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate cargo-stress 0.1.0 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 cargo-stress 0.1.0
[INFO] finished tweaking crates.io crate cargo-stress 0.1.0
[INFO] tweaked toml for crates.io crate cargo-stress 0.1.0 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 92fa797878d2997f1e1b5bf0a8a0679f4e1530d2dd207d590a81aa55eabc33ec
[INFO] running `Command { std: "docker" "start" "-a" "92fa797878d2997f1e1b5bf0a8a0679f4e1530d2dd207d590a81aa55eabc33ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92fa797878d2997f1e1b5bf0a8a0679f4e1530d2dd207d590a81aa55eabc33ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92fa797878d2997f1e1b5bf0a8a0679f4e1530d2dd207d590a81aa55eabc33ec", kill_on_drop: false }`
[INFO] [stdout] 92fa797878d2997f1e1b5bf0a8a0679f4e1530d2dd207d590a81aa55eabc33ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 2c012a184abc6ae298a79ec4f45820c402b12682b1af021c838f0a500896a20e
[INFO] running `Command { std: "docker" "start" "-a" "2c012a184abc6ae298a79ec4f45820c402b12682b1af021c838f0a500896a20e", 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]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling cargo-stress v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.40s
[INFO] running `Command { std: "docker" "inspect" "2c012a184abc6ae298a79ec4f45820c402b12682b1af021c838f0a500896a20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c012a184abc6ae298a79ec4f45820c402b12682b1af021c838f0a500896a20e", kill_on_drop: false }`
[INFO] [stdout] 2c012a184abc6ae298a79ec4f45820c402b12682b1af021c838f0a500896a20e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 0a7de5302b97a954de13acd46858f2472ad93e3ba6c2dab5010d0ff577dde2b4
[INFO] running `Command { std: "docker" "start" "-a" "0a7de5302b97a954de13acd46858f2472ad93e3ba6c2dab5010d0ff577dde2b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-stress v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "0a7de5302b97a954de13acd46858f2472ad93e3ba6c2dab5010d0ff577dde2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7de5302b97a954de13acd46858f2472ad93e3ba6c2dab5010d0ff577dde2b4", kill_on_drop: false }`
[INFO] [stdout] 0a7de5302b97a954de13acd46858f2472ad93e3ba6c2dab5010d0ff577dde2b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] dfc9fe56d2739944a3fbe234d20fe43474f1b998ac485e3ab217a5dfc250ae81
[INFO] running `Command { std: "docker" "start" "-a" "dfc9fe56d2739944a3fbe234d20fe43474f1b998ac485e3ab217a5dfc250ae81", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cargo_stress-5197278b474c23a3)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_flaky ... ignored
[INFO] [stdout] test tests::test_parse_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfc9fe56d2739944a3fbe234d20fe43474f1b998ac485e3ab217a5dfc250ae81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc9fe56d2739944a3fbe234d20fe43474f1b998ac485e3ab217a5dfc250ae81", kill_on_drop: false }`
[INFO] [stdout] dfc9fe56d2739944a3fbe234d20fe43474f1b998ac485e3ab217a5dfc250ae81