[INFO] fetching crate slice-arena 1.0.0...
[INFO] testing slice-arena-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate slice-arena 1.0.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate slice-arena 1.0.0 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 slice-arena 1.0.0
[INFO] finished tweaking crates.io crate slice-arena 1.0.0
[INFO] tweaked toml for crates.io crate slice-arena 1.0.0 written to /workspace/builds/worker-20/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]     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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] d453e92e650da4842b9fb8d425fcef4e729ac9bdc25c4dcee1f8c2faa7dbc654
[INFO] running `Command { std: "docker" "start" "-a" "d453e92e650da4842b9fb8d425fcef4e729ac9bdc25c4dcee1f8c2faa7dbc654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d453e92e650da4842b9fb8d425fcef4e729ac9bdc25c4dcee1f8c2faa7dbc654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d453e92e650da4842b9fb8d425fcef4e729ac9bdc25c4dcee1f8c2faa7dbc654", kill_on_drop: false }`
[INFO] [stdout] d453e92e650da4842b9fb8d425fcef4e729ac9bdc25c4dcee1f8c2faa7dbc654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 60d37b022891333eea1b2235354afb0044b00927d5681e1f5e2db6d07f9e9209
[INFO] running `Command { std: "docker" "start" "-a" "60d37b022891333eea1b2235354afb0044b00927d5681e1f5e2db6d07f9e9209", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-arena v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "60d37b022891333eea1b2235354afb0044b00927d5681e1f5e2db6d07f9e9209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d37b022891333eea1b2235354afb0044b00927d5681e1f5e2db6d07f9e9209", kill_on_drop: false }`
[INFO] [stdout] 60d37b022891333eea1b2235354afb0044b00927d5681e1f5e2db6d07f9e9209
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] d0a66936aac862d5eba7b038d9727ee7eb57efcbc63aa99e5a3ecb11449f2055
[INFO] running `Command { std: "docker" "start" "-a" "d0a66936aac862d5eba7b038d9727ee7eb57efcbc63aa99e5a3ecb11449f2055", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slice-arena v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "d0a66936aac862d5eba7b038d9727ee7eb57efcbc63aa99e5a3ecb11449f2055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a66936aac862d5eba7b038d9727ee7eb57efcbc63aa99e5a3ecb11449f2055", kill_on_drop: false }`
[INFO] [stdout] d0a66936aac862d5eba7b038d9727ee7eb57efcbc63aa99e5a3ecb11449f2055
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 4896e02ee3e2d265856efce10da7e24f8c62c3577982c2ede4bfbd75b3a5ed0d
[INFO] running `Command { std: "docker" "start" "-a" "4896e02ee3e2d265856efce10da7e24f8c62c3577982c2ede4bfbd75b3a5ed0d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slice_arena-f70cf0725edf1a48)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_non_copy ... ok
[INFO] [stdout] test test_path ... ok
[INFO] [stdout] test test_send_and_sync ... ok
[INFO] [stdout] test kick_tires ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slice-arena
[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" "4896e02ee3e2d265856efce10da7e24f8c62c3577982c2ede4bfbd75b3a5ed0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4896e02ee3e2d265856efce10da7e24f8c62c3577982c2ede4bfbd75b3a5ed0d", kill_on_drop: false }`
[INFO] [stdout] 4896e02ee3e2d265856efce10da7e24f8c62c3577982c2ede4bfbd75b3a5ed0d