[INFO] fetching crate unix-fd 0.1.0...
[INFO] testing unix-fd-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate unix-fd 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unix-fd 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 unix-fd 0.1.0
[INFO] finished tweaking crates.io crate unix-fd 0.1.0
[INFO] tweaked toml for crates.io crate unix-fd 0.1.0 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a629d622aa104881b1573335c7e96ad446b8a0850875ae285e08db712598f0c5
[INFO] running `Command { std: "docker" "start" "-a" "a629d622aa104881b1573335c7e96ad446b8a0850875ae285e08db712598f0c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a629d622aa104881b1573335c7e96ad446b8a0850875ae285e08db712598f0c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a629d622aa104881b1573335c7e96ad446b8a0850875ae285e08db712598f0c5", kill_on_drop: false }`
[INFO] [stdout] a629d622aa104881b1573335c7e96ad446b8a0850875ae285e08db712598f0c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f5e29bc07d6346c07e069ca646ebaf8e7df4af48f9dba3c6ce583cedacb71717
[INFO] running `Command { std: "docker" "start" "-a" "f5e29bc07d6346c07e069ca646ebaf8e7df4af48f9dba3c6ce583cedacb71717", kill_on_drop: false }`
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling unix-fd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "f5e29bc07d6346c07e069ca646ebaf8e7df4af48f9dba3c6ce583cedacb71717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e29bc07d6346c07e069ca646ebaf8e7df4af48f9dba3c6ce583cedacb71717", kill_on_drop: false }`
[INFO] [stdout] f5e29bc07d6346c07e069ca646ebaf8e7df4af48f9dba3c6ce583cedacb71717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 29d24105ae800060dcae8ff1ed5e51f0561bcb368b503730edbe7a52f804b520
[INFO] running `Command { std: "docker" "start" "-a" "29d24105ae800060dcae8ff1ed5e51f0561bcb368b503730edbe7a52f804b520", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling unix-fd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "29d24105ae800060dcae8ff1ed5e51f0561bcb368b503730edbe7a52f804b520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d24105ae800060dcae8ff1ed5e51f0561bcb368b503730edbe7a52f804b520", kill_on_drop: false }`
[INFO] [stdout] 29d24105ae800060dcae8ff1ed5e51f0561bcb368b503730edbe7a52f804b520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] eccfd6274155a5f806330775713e3bf254fe886d5e9d1ced7a65609ef203ab71
[INFO] running `Command { std: "docker" "start" "-a" "eccfd6274155a5f806330775713e3bf254fe886d5e9d1ced7a65609ef203ab71", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unix_fd-bb2d4df8200eab86)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test chroot::test::test0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unix-fd
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/chroot.rs - chroot::Chroot (line 62) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eccfd6274155a5f806330775713e3bf254fe886d5e9d1ced7a65609ef203ab71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eccfd6274155a5f806330775713e3bf254fe886d5e9d1ced7a65609ef203ab71", kill_on_drop: false }`
[INFO] [stdout] eccfd6274155a5f806330775713e3bf254fe886d5e9d1ced7a65609ef203ab71