[INFO] fetching crate artsy 0.1.1...
[INFO] testing artsy-0.1.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate artsy 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate artsy 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 artsy 0.1.1
[INFO] finished tweaking crates.io crate artsy 0.1.1
[INFO] tweaked toml for crates.io crate artsy 0.1.1 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 314d5d1b1bee9c935b625bb0f8781e57bff3282d741cfb90f639fc77d4b20516
[INFO] running `Command { std: "docker" "start" "-a" "314d5d1b1bee9c935b625bb0f8781e57bff3282d741cfb90f639fc77d4b20516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "314d5d1b1bee9c935b625bb0f8781e57bff3282d741cfb90f639fc77d4b20516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314d5d1b1bee9c935b625bb0f8781e57bff3282d741cfb90f639fc77d4b20516", kill_on_drop: false }`
[INFO] [stdout] 314d5d1b1bee9c935b625bb0f8781e57bff3282d741cfb90f639fc77d4b20516
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0c82a14ecd3fed319a92184a39fed4531b43430a5e913c5680429246822dab01
[INFO] running `Command { std: "docker" "start" "-a" "0c82a14ecd3fed319a92184a39fed4531b43430a5e913c5680429246822dab01", kill_on_drop: false }`
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling artsy v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "0c82a14ecd3fed319a92184a39fed4531b43430a5e913c5680429246822dab01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c82a14ecd3fed319a92184a39fed4531b43430a5e913c5680429246822dab01", kill_on_drop: false }`
[INFO] [stdout] 0c82a14ecd3fed319a92184a39fed4531b43430a5e913c5680429246822dab01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 44678fde0ac2b333ef753409b9502dfd39f2de650386905b9526c999d32df369
[INFO] running `Command { std: "docker" "start" "-a" "44678fde0ac2b333ef753409b9502dfd39f2de650386905b9526c999d32df369", kill_on_drop: false }`
[INFO] [stderr]    Compiling artsy v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "44678fde0ac2b333ef753409b9502dfd39f2de650386905b9526c999d32df369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44678fde0ac2b333ef753409b9502dfd39f2de650386905b9526c999d32df369", kill_on_drop: false }`
[INFO] [stdout] 44678fde0ac2b333ef753409b9502dfd39f2de650386905b9526c999d32df369
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 49e3de9a3f4d750ffd9073afcc643fdfa4c95c5a28a0556d82db90fb9c24172c
[INFO] running `Command { std: "docker" "start" "-a" "49e3de9a3f4d750ffd9073afcc643fdfa4c95c5a28a0556d82db90fb9c24172c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/artsy-5105a15e198d2e3f)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::it_can_store_more_than_16_parallel_entries ... ok
[INFO] [stdout] test tests::it_doesnt_overwrite_entries_with_a_common_prefix ... ok
[INFO] [stdout] test tests::it_works_for_empty_strings ... ok
[INFO] [stdout] test tests::it_can_store_more_than_4_parallel_entries ... ok
[INFO] [stdout] test tests::it_is_empty_by_default ... ok
[INFO] [stdout] test tests::test_readme_insert_lookup_example ... ok
[INFO] [stderr]    Doc-tests artsy
[INFO] [stdout] test tests::it_works ... 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] [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" "49e3de9a3f4d750ffd9073afcc643fdfa4c95c5a28a0556d82db90fb9c24172c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e3de9a3f4d750ffd9073afcc643fdfa4c95c5a28a0556d82db90fb9c24172c", kill_on_drop: false }`
[INFO] [stdout] 49e3de9a3f4d750ffd9073afcc643fdfa4c95c5a28a0556d82db90fb9c24172c