[INFO] fetching crate artsy 0.1.1...
[INFO] testing artsy-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate artsy 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate artsy 0.1.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b939e4882d09ef319c420ac910e255c4b95da721b553eac81212d5e4a3a18cc
[INFO] running `Command { std: "docker" "start" "-a" "0b939e4882d09ef319c420ac910e255c4b95da721b553eac81212d5e4a3a18cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b939e4882d09ef319c420ac910e255c4b95da721b553eac81212d5e4a3a18cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b939e4882d09ef319c420ac910e255c4b95da721b553eac81212d5e4a3a18cc", kill_on_drop: false }`
[INFO] [stdout] 0b939e4882d09ef319c420ac910e255c4b95da721b553eac81212d5e4a3a18cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b656663c8d0683232e7ec7e758cbb6a984e21862728a00ff149c87722c3b3fe8
[INFO] running `Command { std: "docker" "start" "-a" "b656663c8d0683232e7ec7e758cbb6a984e21862728a00ff149c87722c3b3fe8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.38s
[INFO] running `Command { std: "docker" "inspect" "b656663c8d0683232e7ec7e758cbb6a984e21862728a00ff149c87722c3b3fe8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b656663c8d0683232e7ec7e758cbb6a984e21862728a00ff149c87722c3b3fe8", kill_on_drop: false }`
[INFO] [stdout] b656663c8d0683232e7ec7e758cbb6a984e21862728a00ff149c87722c3b3fe8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5192a74318c7d76495c399c6662b3bea3194994cff19c56b6bec7e7bfe7bd985
[INFO] running `Command { std: "docker" "start" "-a" "5192a74318c7d76495c399c6662b3bea3194994cff19c56b6bec7e7bfe7bd985", kill_on_drop: false }`
[INFO] [stderr]    Compiling artsy v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.48s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/artsy-5105a15e198d2e3f)
[INFO] running `Command { std: "docker" "inspect" "5192a74318c7d76495c399c6662b3bea3194994cff19c56b6bec7e7bfe7bd985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5192a74318c7d76495c399c6662b3bea3194994cff19c56b6bec7e7bfe7bd985", kill_on_drop: false }`
[INFO] [stdout] 5192a74318c7d76495c399c6662b3bea3194994cff19c56b6bec7e7bfe7bd985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4225624a729ddf65674130925e665a77eda6010ddcf12fff6b3ff934a9ce74e
[INFO] running `Command { std: "docker" "start" "-a" "b4225624a729ddf65674130925e665a77eda6010ddcf12fff6b3ff934a9ce74e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/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_can_store_more_than_4_parallel_entries ... ok
[INFO] [stdout] test tests::it_doesnt_overwrite_entries_with_a_common_prefix ... ok
[INFO] [stdout] test tests::it_is_empty_by_default ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::it_works_for_empty_strings ... ok
[INFO] [stdout] test tests::test_readme_insert_lookup_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests artsy
[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" "b4225624a729ddf65674130925e665a77eda6010ddcf12fff6b3ff934a9ce74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4225624a729ddf65674130925e665a77eda6010ddcf12fff6b3ff934a9ce74e", kill_on_drop: false }`
[INFO] [stdout] b4225624a729ddf65674130925e665a77eda6010ddcf12fff6b3ff934a9ce74e