[INFO] cloning repository https://github.com/adispring/rust_slice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adispring/rust_slice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadispring%2Frust_slice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadispring%2Frust_slice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb5ac16b2962c8e5e2f2d7368a7f131f166053e8
[INFO] testing adispring/rust_slice against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadispring%2Frust_slice" "/workspace/builds/worker-71/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adispring/rust_slice 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 git repo https://github.com/adispring/rust_slice
[INFO] finished tweaking git repo https://github.com/adispring/rust_slice
[INFO] tweaked toml for git repo https://github.com/adispring/rust_slice written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate git repo https://github.com/adispring/rust_slice 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] eb2a6120b56fd56e36a1bb5671101d16351962dcff8fd7efc5e4bc79d7b112b6
[INFO] running `Command { std: "docker" "start" "-a" "eb2a6120b56fd56e36a1bb5671101d16351962dcff8fd7efc5e4bc79d7b112b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb2a6120b56fd56e36a1bb5671101d16351962dcff8fd7efc5e4bc79d7b112b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2a6120b56fd56e36a1bb5671101d16351962dcff8fd7efc5e4bc79d7b112b6", kill_on_drop: false }`
[INFO] [stdout] eb2a6120b56fd56e36a1bb5671101d16351962dcff8fd7efc5e4bc79d7b112b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] f7e746f7f06fe2395a3a61ffe093d66b81ad4d42047b1da0c03196bc1355842a
[INFO] running `Command { std: "docker" "start" "-a" "f7e746f7f06fe2395a3a61ffe093d66b81ad4d42047b1da0c03196bc1355842a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.21s
[INFO] running `Command { std: "docker" "inspect" "f7e746f7f06fe2395a3a61ffe093d66b81ad4d42047b1da0c03196bc1355842a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e746f7f06fe2395a3a61ffe093d66b81ad4d42047b1da0c03196bc1355842a", kill_on_drop: false }`
[INFO] [stdout] f7e746f7f06fe2395a3a61ffe093d66b81ad4d42047b1da0c03196bc1355842a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] cf6f5a18af4d60cc3541fbc0b06308be4265cf36f4881fb1b60c17b5e422e18d
[INFO] running `Command { std: "docker" "start" "-a" "cf6f5a18af4d60cc3541fbc0b06308be4265cf36f4881fb1b60c17b5e422e18d", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "cf6f5a18af4d60cc3541fbc0b06308be4265cf36f4881fb1b60c17b5e422e18d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6f5a18af4d60cc3541fbc0b06308be4265cf36f4881fb1b60c17b5e422e18d", kill_on_drop: false }`
[INFO] [stdout] cf6f5a18af4d60cc3541fbc0b06308be4265cf36f4881fb1b60c17b5e422e18d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 27af02305e92a5ffad3a0a4a0fe118e0e8b06cd2b8f25da6d7f5aa00c9a6305d
[INFO] running `Command { std: "docker" "start" "-a" "27af02305e92a5ffad3a0a4a0fe118e0e8b06cd2b8f25da6d7f5aa00c9a6305d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.60s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slice-dce1e267ee8c0fdf)
[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" "27af02305e92a5ffad3a0a4a0fe118e0e8b06cd2b8f25da6d7f5aa00c9a6305d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27af02305e92a5ffad3a0a4a0fe118e0e8b06cd2b8f25da6d7f5aa00c9a6305d", kill_on_drop: false }`
[INFO] [stdout] 27af02305e92a5ffad3a0a4a0fe118e0e8b06cd2b8f25da6d7f5aa00c9a6305d