[INFO] fetching crate shuf-rs 0.1.0...
[INFO] testing shuf-rs-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate shuf-rs 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate shuf-rs 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 shuf-rs 0.1.0
[INFO] finished tweaking crates.io crate shuf-rs 0.1.0
[INFO] tweaked toml for crates.io crate shuf-rs 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate shuf-rs 0.1.0 already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 78f6c0c254d351804a5924e2de76d37bcf3897cd083b40dd670d7095ee6a7b64
[INFO] running `Command { std: "docker" "start" "-a" "78f6c0c254d351804a5924e2de76d37bcf3897cd083b40dd670d7095ee6a7b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78f6c0c254d351804a5924e2de76d37bcf3897cd083b40dd670d7095ee6a7b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f6c0c254d351804a5924e2de76d37bcf3897cd083b40dd670d7095ee6a7b64", kill_on_drop: false }`
[INFO] [stdout] 78f6c0c254d351804a5924e2de76d37bcf3897cd083b40dd670d7095ee6a7b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 00290f7f8f1606d01e4dde7c4ece129b58895c6a23a468a7ec07c6a41dc5bd4a
[INFO] running `Command { std: "docker" "start" "-a" "00290f7f8f1606d01e4dde7c4ece129b58895c6a23a468a7ec07c6a41dc5bd4a", 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] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling shuf-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `Command { std: "docker" "inspect" "00290f7f8f1606d01e4dde7c4ece129b58895c6a23a468a7ec07c6a41dc5bd4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00290f7f8f1606d01e4dde7c4ece129b58895c6a23a468a7ec07c6a41dc5bd4a", kill_on_drop: false }`
[INFO] [stdout] 00290f7f8f1606d01e4dde7c4ece129b58895c6a23a468a7ec07c6a41dc5bd4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 3df66d5e93ad9445bd6a42e6c8180ef2d3eb559e4d9e7357e3f7ae81d319cb4b
[INFO] running `Command { std: "docker" "start" "-a" "3df66d5e93ad9445bd6a42e6c8180ef2d3eb559e4d9e7357e3f7ae81d319cb4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling shuf-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "3df66d5e93ad9445bd6a42e6c8180ef2d3eb559e4d9e7357e3f7ae81d319cb4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df66d5e93ad9445bd6a42e6c8180ef2d3eb559e4d9e7357e3f7ae81d319cb4b", kill_on_drop: false }`
[INFO] [stdout] 3df66d5e93ad9445bd6a42e6c8180ef2d3eb559e4d9e7357e3f7ae81d319cb4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 31504b4b0c4aefc6acdb13b31bf62d7fcd2b6c146907666585587681d9eb4222
[INFO] running `Command { std: "docker" "start" "-a" "31504b4b0c4aefc6acdb13b31bf62d7fcd2b6c146907666585587681d9eb4222", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shuf_rs-81e6c784b5628acf)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test shuf::tests::test_read_from_iter ... ok
[INFO] [stdout] test shuf::tests::test_sample_from_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31504b4b0c4aefc6acdb13b31bf62d7fcd2b6c146907666585587681d9eb4222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31504b4b0c4aefc6acdb13b31bf62d7fcd2b6c146907666585587681d9eb4222", kill_on_drop: false }`
[INFO] [stdout] 31504b4b0c4aefc6acdb13b31bf62d7fcd2b6c146907666585587681d9eb4222