[INFO] fetching crate art_zhang 0.1.1...
[INFO] testing art_zhang-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate art_zhang 0.1.1 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate art_zhang 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 art_zhang 0.1.1
[INFO] finished tweaking crates.io crate art_zhang 0.1.1
[INFO] tweaked toml for crates.io crate art_zhang 0.1.1 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate crates.io crate art_zhang 0.1.1 already has a lockfile, it will not be regenerated
[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-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 9cab61e787f36ed1b2562bc1849081d7f0ddaadfcc32f0a280698098ddedc86f
[INFO] running `Command { std: "docker" "start" "-a" "9cab61e787f36ed1b2562bc1849081d7f0ddaadfcc32f0a280698098ddedc86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cab61e787f36ed1b2562bc1849081d7f0ddaadfcc32f0a280698098ddedc86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cab61e787f36ed1b2562bc1849081d7f0ddaadfcc32f0a280698098ddedc86f", kill_on_drop: false }`
[INFO] [stdout] 9cab61e787f36ed1b2562bc1849081d7f0ddaadfcc32f0a280698098ddedc86f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 61be88647081978b942e1b9e9ae6594a926c7b34bfe69f6478d69afa32824eb3
[INFO] running `Command { std: "docker" "start" "-a" "61be88647081978b942e1b9e9ae6594a926c7b34bfe69f6478d69afa32824eb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling art_zhang v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "61be88647081978b942e1b9e9ae6594a926c7b34bfe69f6478d69afa32824eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61be88647081978b942e1b9e9ae6594a926c7b34bfe69f6478d69afa32824eb3", kill_on_drop: false }`
[INFO] [stdout] 61be88647081978b942e1b9e9ae6594a926c7b34bfe69f6478d69afa32824eb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] c0c3dce54f98e31bb179c0a134b22040ddd76483df12eb5ff96e9b19871c362a
[INFO] running `Command { std: "docker" "start" "-a" "c0c3dce54f98e31bb179c0a134b22040ddd76483df12eb5ff96e9b19871c362a", kill_on_drop: false }`
[INFO] [stderr]    Compiling art_zhang v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/art_zhang-0e05b0df33f7df12)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/art_zhang-d2c3d435afe25d9f)
[INFO] running `Command { std: "docker" "inspect" "c0c3dce54f98e31bb179c0a134b22040ddd76483df12eb5ff96e9b19871c362a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c3dce54f98e31bb179c0a134b22040ddd76483df12eb5ff96e9b19871c362a", kill_on_drop: false }`
[INFO] [stdout] c0c3dce54f98e31bb179c0a134b22040ddd76483df12eb5ff96e9b19871c362a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 1d46eb365f34ae4284c3d4a5e99dca86a7c9b6d72741d598216e4d0be62e01a9
[INFO] running `Command { std: "docker" "start" "-a" "1d46eb365f34ae4284c3d4a5e99dca86a7c9b6d72741d598216e4d0be62e01a9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/art_zhang-0e05b0df33f7df12)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/art_zhang-d2c3d435afe25d9f)
[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] [stderr]    Doc-tests art_zhang
[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" "1d46eb365f34ae4284c3d4a5e99dca86a7c9b6d72741d598216e4d0be62e01a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d46eb365f34ae4284c3d4a5e99dca86a7c9b6d72741d598216e4d0be62e01a9", kill_on_drop: false }`
[INFO] [stdout] 1d46eb365f34ae4284c3d4a5e99dca86a7c9b6d72741d598216e4d0be62e01a9