[INFO] cloning repository https://github.com/mmcclimon/pidgit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmcclimon/pidgit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmcclimon%2Fpidgit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmcclimon%2Fpidgit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d4d922c75d2f2285fe91b9cb41215a53c1a5704
[INFO] checking mmcclimon/pidgit against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmcclimon%2Fpidgit" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmcclimon/pidgit on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmcclimon/pidgit
[INFO] finished tweaking git repo https://github.com/mmcclimon/pidgit
[INFO] tweaked toml for git repo https://github.com/mmcclimon/pidgit written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mmcclimon/pidgit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking mmcclimon/pidgit against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmcclimon%2Fpidgit" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmcclimon/pidgit on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmcclimon/pidgit
[INFO] finished tweaking git repo https://github.com/mmcclimon/pidgit
[INFO] tweaked toml for git repo https://github.com/mmcclimon/pidgit written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mmcclimon/pidgit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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 serial_test v0.7.0
[INFO] [stderr]   Downloaded assert_cmd v1.0.8
[INFO] [stderr]   Downloaded serial_test_derive v0.7.0
[INFO] [stderr]   Downloaded assert_fs v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a23b14adc10157efa7107f222cd2c29e54ee55892227c9ddec4a8952325f78d
[INFO] running `Command { std: "docker" "start" "-a" "8a23b14adc10157efa7107f222cd2c29e54ee55892227c9ddec4a8952325f78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a23b14adc10157efa7107f222cd2c29e54ee55892227c9ddec4a8952325f78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a23b14adc10157efa7107f222cd2c29e54ee55892227c9ddec4a8952325f78d", kill_on_drop: false }`
[INFO] [stdout] 8a23b14adc10157efa7107f222cd2c29e54ee55892227c9ddec4a8952325f78d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 714f334d6ef82d7758eec5322fcf083f46a401b7acae9463ee93f162c437b49e
[INFO] running `Command { std: "docker" "start" "-a" "714f334d6ef82d7758eec5322fcf083f46a401b7acae9463ee93f162c437b49e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking sha1 v0.6.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking assert_cmd v1.0.8
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking assert_fs v1.0.7
[INFO] [stderr]     Checking pidgit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `HashObject` is never constructed
[INFO] [stdout]  --> src/cmd/hash_object.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct HashObject;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Init` is never constructed
[INFO] [stdout]  --> src/cmd/init.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Init;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serial_test_derive v0.7.0
[INFO] [stderr]     Checking serial_test v0.7.0
[INFO] [stdout] warning: struct `HashObject` is never constructed
[INFO] [stdout]  --> src/cmd/hash_object.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct HashObject;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Init` is never constructed
[INFO] [stdout]  --> src/cmd/init.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Init;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.34s
[INFO] running `Command { std: "docker" "inspect" "714f334d6ef82d7758eec5322fcf083f46a401b7acae9463ee93f162c437b49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714f334d6ef82d7758eec5322fcf083f46a401b7acae9463ee93f162c437b49e", kill_on_drop: false }`
[INFO] [stdout] 714f334d6ef82d7758eec5322fcf083f46a401b7acae9463ee93f162c437b49e
