[INFO] fetching crate fs_iter 0.1.0...
[INFO] testing fs_iter-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fs_iter 0.1.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate fs_iter 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_iter 0.1.0
[INFO] finished tweaking crates.io crate fs_iter 0.1.0
[INFO] tweaked toml for crates.io crate fs_iter 0.1.0 written to /workspace/builds/worker-47/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] 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] b1901d23e2e79c2b12491bba4d13cc7fbb3e2be8500e973d4de72505088dc603
[INFO] running `Command { std: "docker" "start" "-a" "b1901d23e2e79c2b12491bba4d13cc7fbb3e2be8500e973d4de72505088dc603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1901d23e2e79c2b12491bba4d13cc7fbb3e2be8500e973d4de72505088dc603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1901d23e2e79c2b12491bba4d13cc7fbb3e2be8500e973d4de72505088dc603", kill_on_drop: false }`
[INFO] [stdout] b1901d23e2e79c2b12491bba4d13cc7fbb3e2be8500e973d4de72505088dc603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 9f29c6d0c6c7bf66307a311c4ed199471ef29671c956ea5da1cfbd7b77b8db71
[INFO] running `Command { std: "docker" "start" "-a" "9f29c6d0c6c7bf66307a311c4ed199471ef29671c956ea5da1cfbd7b77b8db71", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fs_iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "9f29c6d0c6c7bf66307a311c4ed199471ef29671c956ea5da1cfbd7b77b8db71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f29c6d0c6c7bf66307a311c4ed199471ef29671c956ea5da1cfbd7b77b8db71", kill_on_drop: false }`
[INFO] [stdout] 9f29c6d0c6c7bf66307a311c4ed199471ef29671c956ea5da1cfbd7b77b8db71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 395dfc1e0271cb0e47c5bfc9d88042333470b7c131b0e572b30b2d40651e1cb5
[INFO] running `Command { std: "docker" "start" "-a" "395dfc1e0271cb0e47c5bfc9d88042333470b7c131b0e572b30b2d40651e1cb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs_iter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "395dfc1e0271cb0e47c5bfc9d88042333470b7c131b0e572b30b2d40651e1cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395dfc1e0271cb0e47c5bfc9d88042333470b7c131b0e572b30b2d40651e1cb5", kill_on_drop: false }`
[INFO] [stdout] 395dfc1e0271cb0e47c5bfc9d88042333470b7c131b0e572b30b2d40651e1cb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 35793a8a2ec2b91d4bc0ee0647f8debf7c161950715af7814d10dcc3acb746a1
[INFO] running `Command { std: "docker" "start" "-a" "35793a8a2ec2b91d4bc0ee0647f8debf7c161950715af7814d10dcc3acb746a1", 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_iter-8208a4298aa86c05)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fs_iter
[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" "35793a8a2ec2b91d4bc0ee0647f8debf7c161950715af7814d10dcc3acb746a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35793a8a2ec2b91d4bc0ee0647f8debf7c161950715af7814d10dcc3acb746a1", kill_on_drop: false }`
[INFO] [stdout] 35793a8a2ec2b91d4bc0ee0647f8debf7c161950715af7814d10dcc3acb746a1