[INFO] fetching crate borrowed-byte-buffer 0.1.1...
[INFO] testing borrowed-byte-buffer-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate borrowed-byte-buffer 0.1.1 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate borrowed-byte-buffer 0.1.1 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 borrowed-byte-buffer 0.1.1
[INFO] finished tweaking crates.io crate borrowed-byte-buffer 0.1.1
[INFO] tweaked toml for crates.io crate borrowed-byte-buffer 0.1.1 written to /workspace/builds/worker-86/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 600875a42e7bfbf43b04acc23c732b32489385af13d7c4aae003a0d05765da1d
[INFO] running `Command { std: "docker" "start" "-a" "600875a42e7bfbf43b04acc23c732b32489385af13d7c4aae003a0d05765da1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "600875a42e7bfbf43b04acc23c732b32489385af13d7c4aae003a0d05765da1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600875a42e7bfbf43b04acc23c732b32489385af13d7c4aae003a0d05765da1d", kill_on_drop: false }`
[INFO] [stdout] 600875a42e7bfbf43b04acc23c732b32489385af13d7c4aae003a0d05765da1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 03f28ed0c5863bc69842200af81f57665cfd34fb78a64149bd3d4211b4b752a9
[INFO] running `Command { std: "docker" "start" "-a" "03f28ed0c5863bc69842200af81f57665cfd34fb78a64149bd3d4211b4b752a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling borrowed-byte-buffer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "03f28ed0c5863bc69842200af81f57665cfd34fb78a64149bd3d4211b4b752a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03f28ed0c5863bc69842200af81f57665cfd34fb78a64149bd3d4211b4b752a9", kill_on_drop: false }`
[INFO] [stdout] 03f28ed0c5863bc69842200af81f57665cfd34fb78a64149bd3d4211b4b752a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 17a4d04bf903593a8349958269255e5e2eb909f6cfc85690a4e807d500f77d77
[INFO] running `Command { std: "docker" "start" "-a" "17a4d04bf903593a8349958269255e5e2eb909f6cfc85690a4e807d500f77d77", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling borrowed-byte-buffer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "17a4d04bf903593a8349958269255e5e2eb909f6cfc85690a4e807d500f77d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a4d04bf903593a8349958269255e5e2eb909f6cfc85690a4e807d500f77d77", kill_on_drop: false }`
[INFO] [stdout] 17a4d04bf903593a8349958269255e5e2eb909f6cfc85690a4e807d500f77d77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 71ca9a20ea68c73f05416e72a77958ca1dbe5677f207711fc6152e2bd8dfc73b
[INFO] running `Command { std: "docker" "start" "-a" "71ca9a20ea68c73f05416e72a77958ca1dbe5677f207711fc6152e2bd8dfc73b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/borrowed_byte_buffer-99a72fc946f65c99)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test_read_all ... ok
[INFO] [stdout] test tests::test_read_slice ... ok
[INFO] [stdout] test tests::test_read_u16 ... ok
[INFO] [stdout] test tests::test_read_u64 ... ok
[INFO] [stdout] test tests::test_read_u32 ... ok
[INFO] [stdout] test tests::test_read_u8 ... ok
[INFO] [stdout] test tests::test_write_all ... ok
[INFO] [stdout] test tests::test_write_all_read_all ... ok
[INFO] [stdout] test tests::test_write_slice ... ok
[INFO] [stdout] test tests::test_write_u16 ... ok
[INFO] [stdout] test tests::test_write_u32 ... ok
[INFO] [stdout] test tests::test_write_u64 ... ok
[INFO] [stdout] test tests::test_write_u8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests borrowed-byte-buffer
[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" "71ca9a20ea68c73f05416e72a77958ca1dbe5677f207711fc6152e2bd8dfc73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ca9a20ea68c73f05416e72a77958ca1dbe5677f207711fc6152e2bd8dfc73b", kill_on_drop: false }`
[INFO] [stdout] 71ca9a20ea68c73f05416e72a77958ca1dbe5677f207711fc6152e2bd8dfc73b