[INFO] fetching crate slower 0.1.0...
[INFO] testing slower-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate slower 0.1.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate slower 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slower 0.1.0
[INFO] finished tweaking crates.io crate slower 0.1.0
[INFO] tweaked toml for crates.io crate slower 0.1.0 written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate crates.io crate slower 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19c11b13eb8a02f764569988a08daf787da5303c4f4cecf7a81cbf77e0073ec7
[INFO] running `Command { std: "docker" "start" "-a" "19c11b13eb8a02f764569988a08daf787da5303c4f4cecf7a81cbf77e0073ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c11b13eb8a02f764569988a08daf787da5303c4f4cecf7a81cbf77e0073ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c11b13eb8a02f764569988a08daf787da5303c4f4cecf7a81cbf77e0073ec7", kill_on_drop: false }`
[INFO] [stdout] 19c11b13eb8a02f764569988a08daf787da5303c4f4cecf7a81cbf77e0073ec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3216c0f0f61026d6246c9a7197bd31c9ddc09c9a8ca4c7741611b2a70a2d2bcb
[INFO] running `Command { std: "docker" "start" "-a" "3216c0f0f61026d6246c9a7197bd31c9ddc09c9a8ca4c7741611b2a70a2d2bcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling slower v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.89s
[INFO] running `Command { std: "docker" "inspect" "3216c0f0f61026d6246c9a7197bd31c9ddc09c9a8ca4c7741611b2a70a2d2bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3216c0f0f61026d6246c9a7197bd31c9ddc09c9a8ca4c7741611b2a70a2d2bcb", kill_on_drop: false }`
[INFO] [stdout] 3216c0f0f61026d6246c9a7197bd31c9ddc09c9a8ca4c7741611b2a70a2d2bcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5a1df86c98d2378378dcd547af1d1c0d0e41904b45ff929b4838ffc072d3652
[INFO] running `Command { std: "docker" "start" "-a" "d5a1df86c98d2378378dcd547af1d1c0d0e41904b45ff929b4838ffc072d3652", kill_on_drop: false }`
[INFO] [stderr]    Compiling slower v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "d5a1df86c98d2378378dcd547af1d1c0d0e41904b45ff929b4838ffc072d3652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a1df86c98d2378378dcd547af1d1c0d0e41904b45ff929b4838ffc072d3652", kill_on_drop: false }`
[INFO] [stdout] d5a1df86c98d2378378dcd547af1d1c0d0e41904b45ff929b4838ffc072d3652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca4343581b7ca2f089214af97446dd05b4584630b8c4ddd42c0175714aa0316f
[INFO] running `Command { std: "docker" "start" "-a" "ca4343581b7ca2f089214af97446dd05b4584630b8c4ddd42c0175714aa0316f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slower-7f02cd0fc1abef8a)
[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" "ca4343581b7ca2f089214af97446dd05b4584630b8c4ddd42c0175714aa0316f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4343581b7ca2f089214af97446dd05b4584630b8c4ddd42c0175714aa0316f", kill_on_drop: false }`
[INFO] [stdout] ca4343581b7ca2f089214af97446dd05b4584630b8c4ddd42c0175714aa0316f