[INFO] cloning repository https://github.com/progga/subtitles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/progga/subtitles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogga%2Fsubtitles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogga%2Fsubtitles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 34fc19ce6a5dded296c2e08733d507485c2e296c
[INFO] building progga/subtitles against master#c2804e6ec2c29a5c7368600ea173b890e2655c3d for pr-97334-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogga%2Fsubtitles" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/progga/subtitles on toolchain c2804e6ec2c29a5c7368600ea173b890e2655c3d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/progga/subtitles
[INFO] finished tweaking git repo https://github.com/progga/subtitles
[INFO] tweaked toml for git repo https://github.com/progga/subtitles written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/progga/subtitles already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77cf3a384b730017df67ca5aa2468ad910606380397e7c9a8f8132fa46560089
[INFO] running `Command { std: "docker" "start" "-a" "77cf3a384b730017df67ca5aa2468ad910606380397e7c9a8f8132fa46560089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77cf3a384b730017df67ca5aa2468ad910606380397e7c9a8f8132fa46560089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77cf3a384b730017df67ca5aa2468ad910606380397e7c9a8f8132fa46560089", kill_on_drop: false }`
[INFO] [stdout] 77cf3a384b730017df67ca5aa2468ad910606380397e7c9a8f8132fa46560089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7776f531b5479c2607a8b83c7e5571767dab0e1eae93d881ff7cf119d7073791
[INFO] running `Command { std: "docker" "start" "-a" "7776f531b5479c2607a8b83c7e5571767dab0e1eae93d881ff7cf119d7073791", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]    Compiling js-sys v0.3.50
[INFO] [stderr]    Compiling subtitles v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.15s
[INFO] running `Command { std: "docker" "inspect" "7776f531b5479c2607a8b83c7e5571767dab0e1eae93d881ff7cf119d7073791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7776f531b5479c2607a8b83c7e5571767dab0e1eae93d881ff7cf119d7073791", kill_on_drop: false }`
[INFO] [stdout] 7776f531b5479c2607a8b83c7e5571767dab0e1eae93d881ff7cf119d7073791
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+c2804e6ec2c29a5c7368600ea173b890e2655c3d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d9b50f62a151d6a7aba790615bc35b746ab0a3a3fdb0e2db2adba33ca8ebdf3
[INFO] running `Command { std: "docker" "start" "-a" "5d9b50f62a151d6a7aba790615bc35b746ab0a3a3fdb0e2db2adba33ca8ebdf3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "5d9b50f62a151d6a7aba790615bc35b746ab0a3a3fdb0e2db2adba33ca8ebdf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9b50f62a151d6a7aba790615bc35b746ab0a3a3fdb0e2db2adba33ca8ebdf3", kill_on_drop: false }`
[INFO] [stdout] 5d9b50f62a151d6a7aba790615bc35b746ab0a3a3fdb0e2db2adba33ca8ebdf3