[INFO] fetching crate chemist 0.0.0...
[INFO] testing chemist-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate chemist 0.0.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate chemist 0.0.0 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 chemist 0.0.0
[INFO] finished tweaking crates.io crate chemist 0.0.0
[INFO] tweaked toml for crates.io crate chemist 0.0.0 written to /workspace/builds/worker-50/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 97e5b307557f06b837728bf6f12c149b06d00908189371a909a46e59416e1e37
[INFO] running `Command { std: "docker" "start" "-a" "97e5b307557f06b837728bf6f12c149b06d00908189371a909a46e59416e1e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97e5b307557f06b837728bf6f12c149b06d00908189371a909a46e59416e1e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97e5b307557f06b837728bf6f12c149b06d00908189371a909a46e59416e1e37", kill_on_drop: false }`
[INFO] [stdout] 97e5b307557f06b837728bf6f12c149b06d00908189371a909a46e59416e1e37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] f6c81504d6e1e1a80b4e30bee36d2940f2bbc07adf1ebe802d79c9c8954e0036
[INFO] running `Command { std: "docker" "start" "-a" "f6c81504d6e1e1a80b4e30bee36d2940f2bbc07adf1ebe802d79c9c8954e0036", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chemist v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "f6c81504d6e1e1a80b4e30bee36d2940f2bbc07adf1ebe802d79c9c8954e0036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c81504d6e1e1a80b4e30bee36d2940f2bbc07adf1ebe802d79c9c8954e0036", kill_on_drop: false }`
[INFO] [stdout] f6c81504d6e1e1a80b4e30bee36d2940f2bbc07adf1ebe802d79c9c8954e0036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 7888cf842d7e945eda0bb41fccadf54e94a202a7b45af4da4701ff2f0d23bb5b
[INFO] running `Command { std: "docker" "start" "-a" "7888cf842d7e945eda0bb41fccadf54e94a202a7b45af4da4701ff2f0d23bb5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling chemist v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/chemist-c767b5ce55275bc4)
[INFO] [stderr]   Executable tests/main.rs (/opt/rustwide/target/debug/deps/main-cb5bd62dd8999018)
[INFO] running `Command { std: "docker" "inspect" "7888cf842d7e945eda0bb41fccadf54e94a202a7b45af4da4701ff2f0d23bb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7888cf842d7e945eda0bb41fccadf54e94a202a7b45af4da4701ff2f0d23bb5b", kill_on_drop: false }`
[INFO] [stdout] 7888cf842d7e945eda0bb41fccadf54e94a202a7b45af4da4701ff2f0d23bb5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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] 3c906b90934d61e41e81f8d47cff56b4eaa1a6d0007945d4aad4bd0f32723142
[INFO] running `Command { std: "docker" "start" "-a" "3c906b90934d61e41e81f8d47cff56b4eaa1a6d0007945d4aad4bd0f32723142", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chemist-c767b5ce55275bc4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/main.rs (/opt/rustwide/target/debug/deps/main-cb5bd62dd8999018)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests chemist
[INFO] [stdout] test ready ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[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" "3c906b90934d61e41e81f8d47cff56b4eaa1a6d0007945d4aad4bd0f32723142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c906b90934d61e41e81f8d47cff56b4eaa1a6d0007945d4aad4bd0f32723142", kill_on_drop: false }`
[INFO] [stdout] 3c906b90934d61e41e81f8d47cff56b4eaa1a6d0007945d4aad4bd0f32723142