[INFO] fetching crate steward 0.0.3...
[INFO] testing steward-0.0.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate steward 0.0.3 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate steward 0.0.3 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate steward 0.0.3
[INFO] finished tweaking crates.io crate steward 0.0.3
[INFO] tweaked toml for crates.io crate steward 0.0.3 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d495ffec07e1b048381cfefca749ed994bdb9c558fc0a22296e7637a47db9660
[INFO] running `Command { std: "docker" "start" "-a" "d495ffec07e1b048381cfefca749ed994bdb9c558fc0a22296e7637a47db9660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d495ffec07e1b048381cfefca749ed994bdb9c558fc0a22296e7637a47db9660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d495ffec07e1b048381cfefca749ed994bdb9c558fc0a22296e7637a47db9660", kill_on_drop: false }`
[INFO] [stdout] d495ffec07e1b048381cfefca749ed994bdb9c558fc0a22296e7637a47db9660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9ff25be6b66d870a2e9f233b3365ddac75efcdda0df13e3949f3c2cf45d31db
[INFO] running `Command { std: "docker" "start" "-a" "f9ff25be6b66d870a2e9f233b3365ddac75efcdda0df13e3949f3c2cf45d31db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling nix v0.20.2
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling steward v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.78s
[INFO] running `Command { std: "docker" "inspect" "f9ff25be6b66d870a2e9f233b3365ddac75efcdda0df13e3949f3c2cf45d31db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ff25be6b66d870a2e9f233b3365ddac75efcdda0df13e3949f3c2cf45d31db", kill_on_drop: false }`
[INFO] [stdout] f9ff25be6b66d870a2e9f233b3365ddac75efcdda0df13e3949f3c2cf45d31db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10e0d7d422e334f931d6e764aaf938e352db98deb1f8e03761c583f960517d94
[INFO] running `Command { std: "docker" "start" "-a" "10e0d7d422e334f931d6e764aaf938e352db98deb1f8e03761c583f960517d94", kill_on_drop: false }`
[INFO] [stderr]    Compiling steward v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "10e0d7d422e334f931d6e764aaf938e352db98deb1f8e03761c583f960517d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e0d7d422e334f931d6e764aaf938e352db98deb1f8e03761c583f960517d94", kill_on_drop: false }`
[INFO] [stdout] 10e0d7d422e334f931d6e764aaf938e352db98deb1f8e03761c583f960517d94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 42865f592c0a183532f320ad662a4a0d8938180bf6360965dff9a877587968f8
[INFO] running `Command { std: "docker" "start" "-a" "42865f592c0a183532f320ad662a4a0d8938180bf6360965dff9a877587968f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/steward-56f3071c9d7ca996)
[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 steward
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/cmd.rs - cmd::cmd (line 123) ... ignored
[INFO] [stdout] test src/cmd.rs - cmd::cmd (line 133) ... ignored
[INFO] [stdout] test src/cmd.rs - cmd::cmd (line 143) ... ignored
[INFO] [stdout] test src/lib.rs - (line 17) ... ignored
[INFO] [stdout] test src/lib.rs - cmd (line 89) ... ignored
[INFO] [stdout] test src/lib.rs - process (line 105) ... ignored
[INFO] [stdout] test src/process.rs - process::ProcessPool (line 305) ... ignored
[INFO] [stdout] test src/process.rs - process::process (line 105) ... ignored
[INFO] [stdout] test src/process.rs - process::process (line 97) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 9 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42865f592c0a183532f320ad662a4a0d8938180bf6360965dff9a877587968f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42865f592c0a183532f320ad662a4a0d8938180bf6360965dff9a877587968f8", kill_on_drop: false }`
[INFO] [stdout] 42865f592c0a183532f320ad662a4a0d8938180bf6360965dff9a877587968f8