[INFO] fetching crate mittens 0.1.0...
[INFO] testing mittens-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate mittens 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mittens 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mittens 0.1.0
[INFO] finished tweaking crates.io crate mittens 0.1.0
[INFO] tweaked toml for crates.io crate mittens 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c67efa5d4d82b8ce6db8aac76899ac14c99dd8a5ab8c1d05d1e5ba9df4b939b6
[INFO] running `Command { std: "docker" "start" "-a" "c67efa5d4d82b8ce6db8aac76899ac14c99dd8a5ab8c1d05d1e5ba9df4b939b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c67efa5d4d82b8ce6db8aac76899ac14c99dd8a5ab8c1d05d1e5ba9df4b939b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67efa5d4d82b8ce6db8aac76899ac14c99dd8a5ab8c1d05d1e5ba9df4b939b6", kill_on_drop: false }`
[INFO] [stdout] c67efa5d4d82b8ce6db8aac76899ac14c99dd8a5ab8c1d05d1e5ba9df4b939b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fc76c4116794f24b0704233fbf90d5370e6ea0b7597205e88b0ba96af1af908
[INFO] running `Command { std: "docker" "start" "-a" "6fc76c4116794f24b0704233fbf90d5370e6ea0b7597205e88b0ba96af1af908", kill_on_drop: false }`
[INFO] [stderr]    Compiling mittens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "6fc76c4116794f24b0704233fbf90d5370e6ea0b7597205e88b0ba96af1af908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc76c4116794f24b0704233fbf90d5370e6ea0b7597205e88b0ba96af1af908", kill_on_drop: false }`
[INFO] [stdout] 6fc76c4116794f24b0704233fbf90d5370e6ea0b7597205e88b0ba96af1af908
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27e6877adf7eccf2fd10a51f2ddbc1a8ba4276921b662a19afc4a7dfa3acda5c
[INFO] running `Command { std: "docker" "start" "-a" "27e6877adf7eccf2fd10a51f2ddbc1a8ba4276921b662a19afc4a7dfa3acda5c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mittens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "27e6877adf7eccf2fd10a51f2ddbc1a8ba4276921b662a19afc4a7dfa3acda5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e6877adf7eccf2fd10a51f2ddbc1a8ba4276921b662a19afc4a7dfa3acda5c", kill_on_drop: false }`
[INFO] [stdout] 27e6877adf7eccf2fd10a51f2ddbc1a8ba4276921b662a19afc4a7dfa3acda5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 248a59c0f8a77f81f5365528b271aca98e4e2a73cff6c9729e25d76aeaef66b8
[INFO] running `Command { std: "docker" "start" "-a" "248a59c0f8a77f81f5365528b271aca98e4e2a73cff6c9729e25d76aeaef66b8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mittens-d825fcd9acb87010)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests mittens
[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] [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" "248a59c0f8a77f81f5365528b271aca98e4e2a73cff6c9729e25d76aeaef66b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248a59c0f8a77f81f5365528b271aca98e4e2a73cff6c9729e25d76aeaef66b8", kill_on_drop: false }`
[INFO] [stdout] 248a59c0f8a77f81f5365528b271aca98e4e2a73cff6c9729e25d76aeaef66b8