[INFO] fetching crate digest-writer 0.3.1...
[INFO] testing digest-writer-0.3.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate digest-writer 0.3.1 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate digest-writer 0.3.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate digest-writer 0.3.1
[INFO] finished tweaking crates.io crate digest-writer 0.3.1
[INFO] tweaked toml for crates.io crate digest-writer 0.3.1 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ddcae0bc028f0117ff9334f1558b20dadd5b93c320bd8ca8851ec2604ffb9a5
[INFO] running `Command { std: "docker" "start" "-a" "5ddcae0bc028f0117ff9334f1558b20dadd5b93c320bd8ca8851ec2604ffb9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ddcae0bc028f0117ff9334f1558b20dadd5b93c320bd8ca8851ec2604ffb9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ddcae0bc028f0117ff9334f1558b20dadd5b93c320bd8ca8851ec2604ffb9a5", kill_on_drop: false }`
[INFO] [stdout] 5ddcae0bc028f0117ff9334f1558b20dadd5b93c320bd8ca8851ec2604ffb9a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c45688ec75f003f73a5ebb00537755ada66cab1b46d1766022a66a39ec5c53b
[INFO] running `Command { std: "docker" "start" "-a" "0c45688ec75f003f73a5ebb00537755ada66cab1b46d1766022a66a39ec5c53b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling generic-array v0.9.1
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling digest-writer v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "0c45688ec75f003f73a5ebb00537755ada66cab1b46d1766022a66a39ec5c53b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c45688ec75f003f73a5ebb00537755ada66cab1b46d1766022a66a39ec5c53b", kill_on_drop: false }`
[INFO] [stdout] 0c45688ec75f003f73a5ebb00537755ada66cab1b46d1766022a66a39ec5c53b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b67e575c85e55ff05aa4ee3eb600e2d5f8385ba68142385528a35a126bef4ea6
[INFO] running `Command { std: "docker" "start" "-a" "b67e575c85e55ff05aa4ee3eb600e2d5f8385ba68142385528a35a126bef4ea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling digest-writer v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "b67e575c85e55ff05aa4ee3eb600e2d5f8385ba68142385528a35a126bef4ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67e575c85e55ff05aa4ee3eb600e2d5f8385ba68142385528a35a126bef4ea6", kill_on_drop: false }`
[INFO] [stdout] b67e575c85e55ff05aa4ee3eb600e2d5f8385ba68142385528a35a126bef4ea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79a6bf43e56e7a4b045ed4228147f56f292296cb2d74610252c1a1843e9585ef
[INFO] running `Command { std: "docker" "start" "-a" "79a6bf43e56e7a4b045ed4228147f56f292296cb2d74610252c1a1843e9585ef", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/digest_writer-db594780fae96cd6)
[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] [stderr]    Doc-tests digest-writer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Writer (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79a6bf43e56e7a4b045ed4228147f56f292296cb2d74610252c1a1843e9585ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a6bf43e56e7a4b045ed4228147f56f292296cb2d74610252c1a1843e9585ef", kill_on_drop: false }`
[INFO] [stdout] 79a6bf43e56e7a4b045ed4228147f56f292296cb2d74610252c1a1843e9585ef