[INFO] fetching crate artsy 0.1.1...
[INFO] testing artsy-0.1.1 against 1.60.0 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 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "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" "+1.60.0" "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-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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdb137a55145ab77a8931785e442620a6a6b3053d0e3c1b4928a52bddb8652f8
[INFO] running `Command { std: "docker" "start" "-a" "bdb137a55145ab77a8931785e442620a6a6b3053d0e3c1b4928a52bddb8652f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdb137a55145ab77a8931785e442620a6a6b3053d0e3c1b4928a52bddb8652f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb137a55145ab77a8931785e442620a6a6b3053d0e3c1b4928a52bddb8652f8", kill_on_drop: false }`
[INFO] [stdout] bdb137a55145ab77a8931785e442620a6a6b3053d0e3c1b4928a52bddb8652f8
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22a5a03e4ad7a76549729d88acf0823674a78901bd8350255e96cac2a07430c3
[INFO] running `Command { std: "docker" "start" "-a" "22a5a03e4ad7a76549729d88acf0823674a78901bd8350255e96cac2a07430c3", 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 3.50s
[INFO] running `Command { std: "docker" "inspect" "22a5a03e4ad7a76549729d88acf0823674a78901bd8350255e96cac2a07430c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a5a03e4ad7a76549729d88acf0823674a78901bd8350255e96cac2a07430c3", kill_on_drop: false }`
[INFO] [stdout] 22a5a03e4ad7a76549729d88acf0823674a78901bd8350255e96cac2a07430c3
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ee428f67badace1d893fa69d1a76deed91cc9ec0d565dad437958538c393134
[INFO] running `Command { std: "docker" "start" "-a" "2ee428f67badace1d893fa69d1a76deed91cc9ec0d565dad437958538c393134", 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 1.26s
[INFO] running `Command { std: "docker" "inspect" "2ee428f67badace1d893fa69d1a76deed91cc9ec0d565dad437958538c393134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee428f67badace1d893fa69d1a76deed91cc9ec0d565dad437958538c393134", kill_on_drop: false }`
[INFO] [stdout] 2ee428f67badace1d893fa69d1a76deed91cc9ec0d565dad437958538c393134
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a24fc397d6db485482dc1585664d4aaea98f64c4d445103d9d20972b87cf336e
[INFO] running `Command { std: "docker" "start" "-a" "a24fc397d6db485482dc1585664d4aaea98f64c4d445103d9d20972b87cf336e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/artsy-c1e964917f43063d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests artsy
[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_for_empty_strings ... ok
[INFO] [stdout] test tests::it_works ... 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] [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" "a24fc397d6db485482dc1585664d4aaea98f64c4d445103d9d20972b87cf336e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a24fc397d6db485482dc1585664d4aaea98f64c4d445103d9d20972b87cf336e", kill_on_drop: false }`
[INFO] [stdout] a24fc397d6db485482dc1585664d4aaea98f64c4d445103d9d20972b87cf336e