[INFO] fetching crate fletcher 0.1.0...
[INFO] testing fletcher-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fletcher 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate fletcher 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 fletcher 0.1.0
[INFO] finished tweaking crates.io crate fletcher 0.1.0
[INFO] tweaked toml for crates.io crate fletcher 0.1.0 written to /workspace/builds/worker-15/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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 674bd051ae1a7abff6d59a55abe46ed28256c1c343482169bf67cc8f3bb378a1
[INFO] running `Command { std: "docker" "start" "-a" "674bd051ae1a7abff6d59a55abe46ed28256c1c343482169bf67cc8f3bb378a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "674bd051ae1a7abff6d59a55abe46ed28256c1c343482169bf67cc8f3bb378a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674bd051ae1a7abff6d59a55abe46ed28256c1c343482169bf67cc8f3bb378a1", kill_on_drop: false }`
[INFO] [stdout] 674bd051ae1a7abff6d59a55abe46ed28256c1c343482169bf67cc8f3bb378a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] ae1c2717705223208e45abe08f583209818cbf454275b8a7ff87ac0bb3840ea3
[INFO] running `Command { std: "docker" "start" "-a" "ae1c2717705223208e45abe08f583209818cbf454275b8a7ff87ac0bb3840ea3", kill_on_drop: false }`
[INFO] [stderr]    Compiling fletcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "ae1c2717705223208e45abe08f583209818cbf454275b8a7ff87ac0bb3840ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae1c2717705223208e45abe08f583209818cbf454275b8a7ff87ac0bb3840ea3", kill_on_drop: false }`
[INFO] [stdout] ae1c2717705223208e45abe08f583209818cbf454275b8a7ff87ac0bb3840ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 6f8ba06fc7375ec52a4faba2e6e93ee6fcd09cdea76b534f60496b2ebdd3e851
[INFO] running `Command { std: "docker" "start" "-a" "6f8ba06fc7375ec52a4faba2e6e93ee6fcd09cdea76b534f60496b2ebdd3e851", 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 fletcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "6f8ba06fc7375ec52a4faba2e6e93ee6fcd09cdea76b534f60496b2ebdd3e851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8ba06fc7375ec52a4faba2e6e93ee6fcd09cdea76b534f60496b2ebdd3e851", kill_on_drop: false }`
[INFO] [stdout] 6f8ba06fc7375ec52a4faba2e6e93ee6fcd09cdea76b534f60496b2ebdd3e851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] fff8898fb03d8a2387c1bfdce413fc34dacaf6b3bc1955d86cc858fbb7facf61
[INFO] running `Command { std: "docker" "start" "-a" "fff8898fb03d8a2387c1bfdce413fc34dacaf6b3bc1955d86cc858fbb7facf61", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fletcher-dd037edf129835c9)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test fletcher16::test::ascii_data ... ok
[INFO] [stdout] test fletcher64::test::ascii_data ... ok
[INFO] [stdout] test fletcher16::test::fletcher16_test ... ok
[INFO] [stdout] test fletcher32::test::fletcher32_test ... ok
[INFO] [stdout] test fletcher32::test::ascii_data ... ok
[INFO] [stdout] test fletcher32::test::fletcher32_underflow ... ok
[INFO] [stdout] test fletcher64::test::fletcher64_underflow ... ok
[INFO] [stdout] test fletcher16::test::fletcher16_overflow ... ok
[INFO] [stdout] test fletcher16::test::fletcher16_underflow ... ok
[INFO] [stdout] test fletcher32::test::fletcher32_overflow ... ok
[INFO] [stdout] test fletcher64::test::fletcher64_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fletcher
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/fletcher32.rs - fletcher32::Fletcher32 (line 7) ... ok
[INFO] [stdout] test src/fletcher16.rs - fletcher16::Fletcher16 (line 7) ... ok
[INFO] [stdout] test src/fletcher64.rs - fletcher64::Fletcher64 (line 7) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fff8898fb03d8a2387c1bfdce413fc34dacaf6b3bc1955d86cc858fbb7facf61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff8898fb03d8a2387c1bfdce413fc34dacaf6b3bc1955d86cc858fbb7facf61", kill_on_drop: false }`
[INFO] [stdout] fff8898fb03d8a2387c1bfdce413fc34dacaf6b3bc1955d86cc858fbb7facf61