[INFO] fetching crate fs_collections 0.1.0...
[INFO] testing fs_collections-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fs_collections 0.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate fs_collections 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fs_collections 0.1.0
[INFO] finished tweaking crates.io crate fs_collections 0.1.0
[INFO] tweaked toml for crates.io crate fs_collections 0.1.0 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f0344d8f3bb01bf5412e880062347b11f9693bc292bd7add06e902cca256666
[INFO] running `Command { std: "docker" "start" "-a" "9f0344d8f3bb01bf5412e880062347b11f9693bc292bd7add06e902cca256666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f0344d8f3bb01bf5412e880062347b11f9693bc292bd7add06e902cca256666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f0344d8f3bb01bf5412e880062347b11f9693bc292bd7add06e902cca256666", kill_on_drop: false }`
[INFO] [stdout] 9f0344d8f3bb01bf5412e880062347b11f9693bc292bd7add06e902cca256666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51839c3033677fa03b751c95b07003dde8eb1d48793e038bd05cb9717f568318
[INFO] running `Command { std: "docker" "start" "-a" "51839c3033677fa03b751c95b07003dde8eb1d48793e038bd05cb9717f568318", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs_collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "51839c3033677fa03b751c95b07003dde8eb1d48793e038bd05cb9717f568318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51839c3033677fa03b751c95b07003dde8eb1d48793e038bd05cb9717f568318", kill_on_drop: false }`
[INFO] [stdout] 51839c3033677fa03b751c95b07003dde8eb1d48793e038bd05cb9717f568318
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b337c908ecce2cafa4e76f55bdf84e1b68501c5f7ec7125aeae25079a36d4430
[INFO] running `Command { std: "docker" "start" "-a" "b337c908ecce2cafa4e76f55bdf84e1b68501c5f7ec7125aeae25079a36d4430", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs_collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "b337c908ecce2cafa4e76f55bdf84e1b68501c5f7ec7125aeae25079a36d4430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b337c908ecce2cafa4e76f55bdf84e1b68501c5f7ec7125aeae25079a36d4430", kill_on_drop: false }`
[INFO] [stdout] b337c908ecce2cafa4e76f55bdf84e1b68501c5f7ec7125aeae25079a36d4430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b212ea74a7d52090362cddf9316932398831d3b2595845cf4a0ca04516ad22b2
[INFO] running `Command { std: "docker" "start" "-a" "b212ea74a7d52090362cddf9316932398831d3b2595845cf4a0ca04516ad22b2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fs_collections-c1ed4584f89821cf)
[INFO] [stderr]    Doc-tests fs_collections
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "b212ea74a7d52090362cddf9316932398831d3b2595845cf4a0ca04516ad22b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b212ea74a7d52090362cddf9316932398831d3b2595845cf4a0ca04516ad22b2", kill_on_drop: false }`
[INFO] [stdout] b212ea74a7d52090362cddf9316932398831d3b2595845cf4a0ca04516ad22b2