[INFO] fetching crate slices-hack 0.1.1...
[INFO] testing slices-hack-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate slices-hack 0.1.1 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate slices-hack 0.1.1 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 slices-hack 0.1.1
[INFO] finished tweaking crates.io crate slices-hack 0.1.1
[INFO] tweaked toml for crates.io crate slices-hack 0.1.1 written to /workspace/builds/worker-44/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 faster-hex v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] ca55d4f091024d8c6f73a72fb50336f2e28c43fe0a606be8a16e660f8860d662
[INFO] running `Command { std: "docker" "start" "-a" "ca55d4f091024d8c6f73a72fb50336f2e28c43fe0a606be8a16e660f8860d662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca55d4f091024d8c6f73a72fb50336f2e28c43fe0a606be8a16e660f8860d662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca55d4f091024d8c6f73a72fb50336f2e28c43fe0a606be8a16e660f8860d662", kill_on_drop: false }`
[INFO] [stdout] ca55d4f091024d8c6f73a72fb50336f2e28c43fe0a606be8a16e660f8860d662
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 322de06b5f4a6b1a7788ec92cbba3b3558172b80a9fc8807eecf23c04d256d44
[INFO] running `Command { std: "docker" "start" "-a" "322de06b5f4a6b1a7788ec92cbba3b3558172b80a9fc8807eecf23c04d256d44", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling faster-hex v0.4.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling slices-hack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "322de06b5f4a6b1a7788ec92cbba3b3558172b80a9fc8807eecf23c04d256d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322de06b5f4a6b1a7788ec92cbba3b3558172b80a9fc8807eecf23c04d256d44", kill_on_drop: false }`
[INFO] [stdout] 322de06b5f4a6b1a7788ec92cbba3b3558172b80a9fc8807eecf23c04d256d44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 42a3a4690eb8c3c7b89f82eb0c1c692cb51896b39ec47f9fb4bc2625db1009d2
[INFO] running `Command { std: "docker" "start" "-a" "42a3a4690eb8c3c7b89f82eb0c1c692cb51896b39ec47f9fb4bc2625db1009d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling slices-hack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "42a3a4690eb8c3c7b89f82eb0c1c692cb51896b39ec47f9fb4bc2625db1009d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a3a4690eb8c3c7b89f82eb0c1c692cb51896b39ec47f9fb4bc2625db1009d2", kill_on_drop: false }`
[INFO] [stdout] 42a3a4690eb8c3c7b89f82eb0c1c692cb51896b39ec47f9fb4bc2625db1009d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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] 767cda76eb53ee7e5d2ee22002b421d8509e86fa147ff0920bcfaa3d2c75ad2f
[INFO] running `Command { std: "docker" "start" "-a" "767cda76eb53ee7e5d2ee22002b421d8509e86fa147ff0920bcfaa3d2c75ad2f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slices_hack-1a2e6f0cade72268)
[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]    Doc-tests slices-hack
[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" "767cda76eb53ee7e5d2ee22002b421d8509e86fa147ff0920bcfaa3d2c75ad2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767cda76eb53ee7e5d2ee22002b421d8509e86fa147ff0920bcfaa3d2c75ad2f", kill_on_drop: false }`
[INFO] [stdout] 767cda76eb53ee7e5d2ee22002b421d8509e86fa147ff0920bcfaa3d2c75ad2f