[INFO] fetching crate picobu 1.0.4...
[INFO] testing picobu-1.0.4 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate picobu 1.0.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate picobu 1.0.4 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate picobu 1.0.4
[INFO] finished tweaking crates.io crate picobu 1.0.4
[INFO] tweaked toml for crates.io crate picobu 1.0.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fc4c8b6a2b4a0f163d02f74fd9486f4bf925a12bfacaac7359b5346d1434ddf
[INFO] running `Command { std: "docker" "start" "-a" "7fc4c8b6a2b4a0f163d02f74fd9486f4bf925a12bfacaac7359b5346d1434ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fc4c8b6a2b4a0f163d02f74fd9486f4bf925a12bfacaac7359b5346d1434ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc4c8b6a2b4a0f163d02f74fd9486f4bf925a12bfacaac7359b5346d1434ddf", kill_on_drop: false }`
[INFO] [stdout] 7fc4c8b6a2b4a0f163d02f74fd9486f4bf925a12bfacaac7359b5346d1434ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dffec50a287c5d79ce100780f478ed713f6e2da9b9b54494d092fe8de03c0eb2
[INFO] running `Command { std: "docker" "start" "-a" "dffec50a287c5d79ce100780f478ed713f6e2da9b9b54494d092fe8de03c0eb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling ctrlc v3.1.9
[INFO] [stderr]    Compiling derive_more v0.11.0
[INFO] [stderr]    Compiling hotwatch v0.3.1
[INFO] [stderr]    Compiling picobu v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.48s
[INFO] running `Command { std: "docker" "inspect" "dffec50a287c5d79ce100780f478ed713f6e2da9b9b54494d092fe8de03c0eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dffec50a287c5d79ce100780f478ed713f6e2da9b9b54494d092fe8de03c0eb2", kill_on_drop: false }`
[INFO] [stdout] dffec50a287c5d79ce100780f478ed713f6e2da9b9b54494d092fe8de03c0eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faae0f69720503a71b31cc9020ecacf5fc2330bfd049534b176e563bafd559ab
[INFO] running `Command { std: "docker" "start" "-a" "faae0f69720503a71b31cc9020ecacf5fc2330bfd049534b176e563bafd559ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling picobu v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "faae0f69720503a71b31cc9020ecacf5fc2330bfd049534b176e563bafd559ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faae0f69720503a71b31cc9020ecacf5fc2330bfd049534b176e563bafd559ab", kill_on_drop: false }`
[INFO] [stdout] faae0f69720503a71b31cc9020ecacf5fc2330bfd049534b176e563bafd559ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e39c4c68f4c14feef03bbf95ac392d928dd63b790ca66a11213f52c08fdd860f
[INFO] running `Command { std: "docker" "start" "-a" "e39c4c68f4c14feef03bbf95ac392d928dd63b790ca66a11213f52c08fdd860f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/picobu-cbe1e9062686eca1)
[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" "e39c4c68f4c14feef03bbf95ac392d928dd63b790ca66a11213f52c08fdd860f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e39c4c68f4c14feef03bbf95ac392d928dd63b790ca66a11213f52c08fdd860f", kill_on_drop: false }`
[INFO] [stdout] e39c4c68f4c14feef03bbf95ac392d928dd63b790ca66a11213f52c08fdd860f