[INFO] fetching crate flotsam 0.1.0...
[INFO] testing flotsam-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate flotsam 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate flotsam 0.1.0
[INFO] finished tweaking crates.io crate flotsam 0.1.0
[INFO] tweaked toml for crates.io crate flotsam 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flotsam 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate flotsam 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fbff6a15b480ed3d9c468ede2648ff21267aa3b74fd8785d16b7cd01cedef18
[INFO] running `Command { std: "docker" "start" "-a" "6fbff6a15b480ed3d9c468ede2648ff21267aa3b74fd8785d16b7cd01cedef18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fbff6a15b480ed3d9c468ede2648ff21267aa3b74fd8785d16b7cd01cedef18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbff6a15b480ed3d9c468ede2648ff21267aa3b74fd8785d16b7cd01cedef18", kill_on_drop: false }`
[INFO] [stdout] 6fbff6a15b480ed3d9c468ede2648ff21267aa3b74fd8785d16b7cd01cedef18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3cb01ca42b5931de8c5fbff21ccf2d699ebb6705ec7b245bf567627db174300
[INFO] running `Command { std: "docker" "start" "-a" "e3cb01ca42b5931de8c5fbff21ccf2d699ebb6705ec7b245bf567627db174300", kill_on_drop: false }`
[INFO] [stderr]    Compiling flotsam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "e3cb01ca42b5931de8c5fbff21ccf2d699ebb6705ec7b245bf567627db174300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3cb01ca42b5931de8c5fbff21ccf2d699ebb6705ec7b245bf567627db174300", kill_on_drop: false }`
[INFO] [stdout] e3cb01ca42b5931de8c5fbff21ccf2d699ebb6705ec7b245bf567627db174300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd0bf567039ab10ce73f23299f18efff10f8b443a67b0cea234e8b8a8d0e73b7
[INFO] running `Command { std: "docker" "start" "-a" "fd0bf567039ab10ce73f23299f18efff10f8b443a67b0cea234e8b8a8d0e73b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling flotsam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "fd0bf567039ab10ce73f23299f18efff10f8b443a67b0cea234e8b8a8d0e73b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0bf567039ab10ce73f23299f18efff10f8b443a67b0cea234e8b8a8d0e73b7", kill_on_drop: false }`
[INFO] [stdout] fd0bf567039ab10ce73f23299f18efff10f8b443a67b0cea234e8b8a8d0e73b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 09a0400b69a0485c33a785ed2450627a74e62edf57fadc3979190c012cc7d10a
[INFO] running `Command { std: "docker" "start" "-a" "09a0400b69a0485c33a785ed2450627a74e62edf57fadc3979190c012cc7d10a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flotsam-84b4c482b08960b6)
[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" "09a0400b69a0485c33a785ed2450627a74e62edf57fadc3979190c012cc7d10a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a0400b69a0485c33a785ed2450627a74e62edf57fadc3979190c012cc7d10a", kill_on_drop: false }`
[INFO] [stdout] 09a0400b69a0485c33a785ed2450627a74e62edf57fadc3979190c012cc7d10a