[INFO] cloning repository https://github.com/romab1998/rclp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romab1998/rclp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromab1998%2Frclp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromab1998%2Frclp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cff7b7d85dec8f6aed0abf06db55f2e3f12aceb
[INFO] checking romab1998/rclp against master#df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e for pr-95474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromab1998%2Frclp" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/romab1998/rclp on toolchain df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/romab1998/rclp
[INFO] finished tweaking git repo https://github.com/romab1998/rclp
[INFO] tweaked toml for git repo https://github.com/romab1998/rclp written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/romab1998/rclp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mach v0.2.3
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.2
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded thread_local v0.3.6
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[INFO] [stderr]   Downloaded cfg-if v0.1.7
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[INFO] [stderr]   Downloaded strsim v0.7.0
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[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded remove_dir_all v0.5.1
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[INFO] [stderr]   Downloaded minimp3-sys v0.3.1
[INFO] [stderr]   Downloaded coreaudio-rs v0.9.1
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[INFO] [stderr]   Downloaded ipc-channel v0.11.3
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[INFO] [stderr]   Downloaded peeking_take_while v0.1.2
[INFO] [stderr]   Downloaded lewton v0.9.4
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[INFO] [stderr]   Downloaded alsa-sys v0.1.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.8
[INFO] [stderr]   Downloaded libc v0.2.51
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded env_logger v0.4.3
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[INFO] [stderr]   Downloaded clang-sys v0.21.2
[INFO] [stderr]   Downloaded smallvec v0.6.9
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
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[INFO] [stderr]   Downloaded itoa v0.4.3
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[INFO] [stderr]   Downloaded bindgen v0.32.3
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[INFO] [stderr]   Downloaded minimp3 v0.3.2
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[INFO] [stderr]   Downloaded ogg v0.7.0
[INFO] [stderr]   Downloaded cc v1.0.32
[INFO] [stderr]   Downloaded serde_derive v1.0.89
[INFO] [stderr]   Downloaded serde_json v1.0.39
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.27
[INFO] [stderr]   Downloaded rodio v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49c8697e557363dd907eca998e67324a878bc32a4045d74eebab1da9d94b3a70
[INFO] running `Command { std: "docker" "start" "-a" "49c8697e557363dd907eca998e67324a878bc32a4045d74eebab1da9d94b3a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49c8697e557363dd907eca998e67324a878bc32a4045d74eebab1da9d94b3a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c8697e557363dd907eca998e67324a878bc32a4045d74eebab1da9d94b3a70", kill_on_drop: false }`
[INFO] [stdout] 49c8697e557363dd907eca998e67324a878bc32a4045d74eebab1da9d94b3a70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 049171ee9670bd930a9a99897a922a276464ca4dacbb85feb40ea86ca59a3bb6
[INFO] running `Command { std: "docker" "start" "-a" "049171ee9670bd930a9a99897a922a276464ca4dacbb85feb40ea86ca59a3bb6", 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" "049171ee9670bd930a9a99897a922a276464ca4dacbb85feb40ea86ca59a3bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049171ee9670bd930a9a99897a922a276464ca4dacbb85feb40ea86ca59a3bb6", kill_on_drop: false }`
[INFO] [stdout] 049171ee9670bd930a9a99897a922a276464ca4dacbb85feb40ea86ca59a3bb6