[INFO] fetching crate hex-slice 0.1.4...
[INFO] testing hex-slice-0.1.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate hex-slice 0.1.4 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate hex-slice 0.1.4 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 hex-slice 0.1.4
[INFO] finished tweaking crates.io crate hex-slice 0.1.4
[INFO] tweaked toml for crates.io crate hex-slice 0.1.4 written to /workspace/builds/worker-18/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex-slice v0.1.4
[INFO] [stderr]   Downloaded suppositions v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 25ed311efb85887251077340b2d69ff30fd1b0a60b8626fdfe9b45abbb222464
[INFO] running `Command { std: "docker" "start" "-a" "25ed311efb85887251077340b2d69ff30fd1b0a60b8626fdfe9b45abbb222464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25ed311efb85887251077340b2d69ff30fd1b0a60b8626fdfe9b45abbb222464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25ed311efb85887251077340b2d69ff30fd1b0a60b8626fdfe9b45abbb222464", kill_on_drop: false }`
[INFO] [stdout] 25ed311efb85887251077340b2d69ff30fd1b0a60b8626fdfe9b45abbb222464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] be348fbbf70d63add31c46f4bf4568f12aa090b936d404c34bbb87a856ae4371
[INFO] running `Command { std: "docker" "start" "-a" "be348fbbf70d63add31c46f4bf4568f12aa090b936d404c34bbb87a856ae4371", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hex-slice v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "be348fbbf70d63add31c46f4bf4568f12aa090b936d404c34bbb87a856ae4371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be348fbbf70d63add31c46f4bf4568f12aa090b936d404c34bbb87a856ae4371", kill_on_drop: false }`
[INFO] [stdout] be348fbbf70d63add31c46f4bf4568f12aa090b936d404c34bbb87a856ae4371
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 50667974cada2ca4df7e22870a5ecd46be58b6d6c1e0dfdabb2c5d4cfe05763c
[INFO] running `Command { std: "docker" "start" "-a" "50667974cada2ca4df7e22870a5ecd46be58b6d6c1e0dfdabb2c5d4cfe05763c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hex-slice v0.1.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling suppositions v0.1.4
[INFO] [stderr]    Compiling hex-slice v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "50667974cada2ca4df7e22870a5ecd46be58b6d6c1e0dfdabb2c5d4cfe05763c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50667974cada2ca4df7e22870a5ecd46be58b6d6c1e0dfdabb2c5d4cfe05763c", kill_on_drop: false }`
[INFO] [stdout] 50667974cada2ca4df7e22870a5ecd46be58b6d6c1e0dfdabb2c5d4cfe05763c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] ed78fbe82d2c97ef2ef839c3d53b8864ee8c9910ec02fa44381e06859c210bcb
[INFO] running `Command { std: "docker" "start" "-a" "ed78fbe82d2c97ef2ef839c3d53b8864ee8c9910ec02fa44381e06859c210bcb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hex_slice-3763e1c0921787c1)
[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]      Running tests/properties.rs (/opt/rustwide/target/debug/deps/properties-ce269108673ddfeb)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test plain_hex_should_group_u8_as_blocks_of_two ... ok
[INFO] [stdout] test should_start_and_end_with_square_brackets ... ok
[INFO] [stdout] test should_group_u8_as_blocks_of_two ... ok
[INFO] [stdout] test plain_hex_should_group_u32_as_blocks_of_eight_when_specified ... ok
[INFO] [stdout] test should_group_u32_as_blocks_of_eight_when_specified ... ok
[INFO] [stdout] test plain_hex_should_be_decodable_as_original_data ... ok
[INFO] [stdout] test should_be_decodable_as_original_data ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hex-slice
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed78fbe82d2c97ef2ef839c3d53b8864ee8c9910ec02fa44381e06859c210bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed78fbe82d2c97ef2ef839c3d53b8864ee8c9910ec02fa44381e06859c210bcb", kill_on_drop: false }`
[INFO] [stdout] ed78fbe82d2c97ef2ef839c3d53b8864ee8c9910ec02fa44381e06859c210bcb