[INFO] fetching crate artsy 0.1.1...
[INFO] testing artsy-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate artsy 0.1.1 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate artsy 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-113/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92ec9683f380fe879f5c6ff925b5dff936b6f1d003fb65f5ebb9534a6f856f10
[INFO] running `Command { std: "docker" "start" "-a" "92ec9683f380fe879f5c6ff925b5dff936b6f1d003fb65f5ebb9534a6f856f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92ec9683f380fe879f5c6ff925b5dff936b6f1d003fb65f5ebb9534a6f856f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ec9683f380fe879f5c6ff925b5dff936b6f1d003fb65f5ebb9534a6f856f10", kill_on_drop: false }`
[INFO] [stdout] 92ec9683f380fe879f5c6ff925b5dff936b6f1d003fb65f5ebb9534a6f856f10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55bfef7f6e5d48d01c17bcacb732d6a11e5302cb912d454552a2f174c6ff24df
[INFO] running `Command { std: "docker" "start" "-a" "55bfef7f6e5d48d01c17bcacb732d6a11e5302cb912d454552a2f174c6ff24df", 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 1.43s
[INFO] running `Command { std: "docker" "inspect" "55bfef7f6e5d48d01c17bcacb732d6a11e5302cb912d454552a2f174c6ff24df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55bfef7f6e5d48d01c17bcacb732d6a11e5302cb912d454552a2f174c6ff24df", kill_on_drop: false }`
[INFO] [stdout] 55bfef7f6e5d48d01c17bcacb732d6a11e5302cb912d454552a2f174c6ff24df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eecb53d70f6591e5a4bffd22f0539a6a515454a6b8079c850e68cdc3dfecfb92
[INFO] running `Command { std: "docker" "start" "-a" "eecb53d70f6591e5a4bffd22f0539a6a515454a6b8079c850e68cdc3dfecfb92", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling artsy v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "eecb53d70f6591e5a4bffd22f0539a6a515454a6b8079c850e68cdc3dfecfb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eecb53d70f6591e5a4bffd22f0539a6a515454a6b8079c850e68cdc3dfecfb92", kill_on_drop: false }`
[INFO] [stdout] eecb53d70f6591e5a4bffd22f0539a6a515454a6b8079c850e68cdc3dfecfb92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e9acb5668e5c6230728c0fa0ca77a57c1a5c5bc0d0e6af6a6383b4c466ca02a
[INFO] running `Command { std: "docker" "start" "-a" "1e9acb5668e5c6230728c0fa0ca77a57c1a5c5bc0d0e6af6a6383b4c466ca02a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[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_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" "1e9acb5668e5c6230728c0fa0ca77a57c1a5c5bc0d0e6af6a6383b4c466ca02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9acb5668e5c6230728c0fa0ca77a57c1a5c5bc0d0e6af6a6383b4c466ca02a", kill_on_drop: false }`
[INFO] [stdout] 1e9acb5668e5c6230728c0fa0ca77a57c1a5c5bc0d0e6af6a6383b4c466ca02a