[INFO] fetching crate line 0.1.15...
[INFO] testing line-0.1.15 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate line 0.1.15 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate line 0.1.15 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate line 0.1.15
[INFO] finished tweaking crates.io crate line 0.1.15
[INFO] tweaked toml for crates.io crate line 0.1.15 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-2021-09-08" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c00e830268194e7286844680e117e3065bc36f506bc01fbd342620c85d19bca
[INFO] running `Command { std: "docker" "start" "-a" "4c00e830268194e7286844680e117e3065bc36f506bc01fbd342620c85d19bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c00e830268194e7286844680e117e3065bc36f506bc01fbd342620c85d19bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c00e830268194e7286844680e117e3065bc36f506bc01fbd342620c85d19bca", kill_on_drop: false }`
[INFO] [stdout] 4c00e830268194e7286844680e117e3065bc36f506bc01fbd342620c85d19bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a48330b819ae008eaab91068880e08c4ba3394105a0888f46fded63f5be8b87
[INFO] running `Command { std: "docker" "start" "-a" "0a48330b819ae008eaab91068880e08c4ba3394105a0888f46fded63f5be8b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling line v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "0a48330b819ae008eaab91068880e08c4ba3394105a0888f46fded63f5be8b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a48330b819ae008eaab91068880e08c4ba3394105a0888f46fded63f5be8b87", kill_on_drop: false }`
[INFO] [stdout] 0a48330b819ae008eaab91068880e08c4ba3394105a0888f46fded63f5be8b87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b084c4edcf928d58916ad28d74dde1c69dc8818c9b70c8708a0b706a3a131ef
[INFO] running `Command { std: "docker" "start" "-a" "0b084c4edcf928d58916ad28d74dde1c69dc8818c9b70c8708a0b706a3a131ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling line v0.1.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "0b084c4edcf928d58916ad28d74dde1c69dc8818c9b70c8708a0b706a3a131ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b084c4edcf928d58916ad28d74dde1c69dc8818c9b70c8708a0b706a3a131ef", kill_on_drop: false }`
[INFO] [stdout] 0b084c4edcf928d58916ad28d74dde1c69dc8818c9b70c8708a0b706a3a131ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2971c5f8b29015803425e76c0241968eef3110abf3c625426f459c21dd4e457d
[INFO] running `Command { std: "docker" "start" "-a" "2971c5f8b29015803425e76c0241968eef3110abf3c625426f459c21dd4e457d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/line-a840b60790b12198)
[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 line
[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" "2971c5f8b29015803425e76c0241968eef3110abf3c625426f459c21dd4e457d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2971c5f8b29015803425e76c0241968eef3110abf3c625426f459c21dd4e457d", kill_on_drop: false }`
[INFO] [stdout] 2971c5f8b29015803425e76c0241968eef3110abf3c625426f459c21dd4e457d