[INFO] fetching crate as-slice 0.2.1...
[INFO] testing as-slice-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate as-slice 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate as-slice 0.2.1 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 as-slice 0.2.1
[INFO] finished tweaking crates.io crate as-slice 0.2.1
[INFO] tweaked toml for crates.io crate as-slice 0.2.1 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 48602b1b73f8a52e023fee8785a6cf1bdb23cf11de140bbc07aeacfe68a600e6
[INFO] running `Command { std: "docker" "start" "-a" "48602b1b73f8a52e023fee8785a6cf1bdb23cf11de140bbc07aeacfe68a600e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48602b1b73f8a52e023fee8785a6cf1bdb23cf11de140bbc07aeacfe68a600e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48602b1b73f8a52e023fee8785a6cf1bdb23cf11de140bbc07aeacfe68a600e6", kill_on_drop: false }`
[INFO] [stdout] 48602b1b73f8a52e023fee8785a6cf1bdb23cf11de140bbc07aeacfe68a600e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 26da04c8868c250196a158a49d8698e6c5473340164ce5ced6c969e389b85da5
[INFO] running `Command { std: "docker" "start" "-a" "26da04c8868c250196a158a49d8698e6c5473340164ce5ced6c969e389b85da5", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling as-slice v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "26da04c8868c250196a158a49d8698e6c5473340164ce5ced6c969e389b85da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26da04c8868c250196a158a49d8698e6c5473340164ce5ced6c969e389b85da5", kill_on_drop: false }`
[INFO] [stdout] 26da04c8868c250196a158a49d8698e6c5473340164ce5ced6c969e389b85da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 641a1619cab6ad585a992ffebf1a36f76470315a62e1a71af48c8a1ff8b56839
[INFO] running `Command { std: "docker" "start" "-a" "641a1619cab6ad585a992ffebf1a36f76470315a62e1a71af48c8a1ff8b56839", kill_on_drop: false }`
[INFO] [stderr]    Compiling as-slice v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "641a1619cab6ad585a992ffebf1a36f76470315a62e1a71af48c8a1ff8b56839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641a1619cab6ad585a992ffebf1a36f76470315a62e1a71af48c8a1ff8b56839", kill_on_drop: false }`
[INFO] [stdout] 641a1619cab6ad585a992ffebf1a36f76470315a62e1a71af48c8a1ff8b56839
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a567d603bfa182efec0f06bd24222faae8fef19091eada4890c1482c01204dab
[INFO] running `Command { std: "docker" "start" "-a" "a567d603bfa182efec0f06bd24222faae8fef19091eada4890c1482c01204dab", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/as_slice-ae0d8636c0aa4cb9)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests as-slice
[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] [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" "a567d603bfa182efec0f06bd24222faae8fef19091eada4890c1482c01204dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a567d603bfa182efec0f06bd24222faae8fef19091eada4890c1482c01204dab", kill_on_drop: false }`
[INFO] [stdout] a567d603bfa182efec0f06bd24222faae8fef19091eada4890c1482c01204dab