[INFO] cloning repository https://github.com/jpx40/len_trait
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpx40/len_trait" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpx40%2Flen_trait", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpx40%2Flen_trait'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7be3ee53a1b10a88f08d917196e73cffb0acdb51
[INFO] testing jpx40/len_trait against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpx40%2Flen_trait" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jpx40/len_trait
[INFO] finished tweaking git repo https://github.com/jpx40/len_trait
[INFO] tweaked toml for git repo https://github.com/jpx40/len_trait written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jpx40/len_trait on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jpx40/len_trait 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing jpx40/len_trait against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpx40%2Flen_trait" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jpx40/len_trait
[INFO] finished tweaking git repo https://github.com/jpx40/len_trait
[INFO] tweaked toml for git repo https://github.com/jpx40/len_trait written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jpx40/len_trait on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jpx40/len_trait 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 074b336a3a6e66c108cc1d9e38061d3b8ff4d37a8833e912ac18f7174bf1234d
[INFO] running `Command { std: "docker" "start" "-a" "074b336a3a6e66c108cc1d9e38061d3b8ff4d37a8833e912ac18f7174bf1234d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "074b336a3a6e66c108cc1d9e38061d3b8ff4d37a8833e912ac18f7174bf1234d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074b336a3a6e66c108cc1d9e38061d3b8ff4d37a8833e912ac18f7174bf1234d", kill_on_drop: false }`
[INFO] [stdout] 074b336a3a6e66c108cc1d9e38061d3b8ff4d37a8833e912ac18f7174bf1234d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e29919404bcef6a81a3e16ade746891c8ad746a235b4242d94a0a17dcfbdd42
[INFO] running `Command { std: "docker" "start" "-a" "3e29919404bcef6a81a3e16ade746891c8ad746a235b4242d94a0a17dcfbdd42", kill_on_drop: false }`
[INFO] [stderr]    Compiling len_trait v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "3e29919404bcef6a81a3e16ade746891c8ad746a235b4242d94a0a17dcfbdd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e29919404bcef6a81a3e16ade746891c8ad746a235b4242d94a0a17dcfbdd42", kill_on_drop: false }`
[INFO] [stdout] 3e29919404bcef6a81a3e16ade746891c8ad746a235b4242d94a0a17dcfbdd42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14693b6dd559e9c651a05c9eab4109be529d90e4eeda8a5ac94b8828fccce25d
[INFO] running `Command { std: "docker" "start" "-a" "14693b6dd559e9c651a05c9eab4109be529d90e4eeda8a5ac94b8828fccce25d", kill_on_drop: false }`
[INFO] [stderr]    Compiling len_trait v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "14693b6dd559e9c651a05c9eab4109be529d90e4eeda8a5ac94b8828fccce25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14693b6dd559e9c651a05c9eab4109be529d90e4eeda8a5ac94b8828fccce25d", kill_on_drop: false }`
[INFO] [stdout] 14693b6dd559e9c651a05c9eab4109be529d90e4eeda8a5ac94b8828fccce25d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94ab4beb6b4b82929a112430df3d9b7d1e14c605b0ab4fdbff02092bc3606771
[INFO] running `Command { std: "docker" "start" "-a" "94ab4beb6b4b82929a112430df3d9b7d1e14c605b0ab4fdbff02092bc3606771", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/len_trait-783a49e880eaa349)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests len_trait
[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] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/capacity.rs - capacity::WithCapacity::with_capacity (line 58) ... ok
[INFO] [stdout] test src/capacity.rs - capacity::Capacity::capacity (line 20) ... ok
[INFO] [stdout] test src/len.rs - len::Len::len (line 41) ... ok
[INFO] [stdout] test src/capacity.rs - capacity::CapacityMut::shrink_to_fit (line 151) ... ok
[INFO] [stdout] test src/capacity.rs - capacity::CapacityMut::reserve_exact (line 114) ... ok
[INFO] [stdout] test src/capacity.rs - capacity::CapacityMut::reserve (line 94) ... ok
[INFO] [stdout] test src/len.rs - len::Clear::clear (line 65) ... ok
[INFO] [stdout] test src/len.rs - len::LenMut::truncate (line 102) ... ok
[INFO] [stdout] test src/len.rs - len::LenMut::split_off (line 128) ... ok
[INFO] [stdout] test src/len.rs - len::Empty::is_empty (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94ab4beb6b4b82929a112430df3d9b7d1e14c605b0ab4fdbff02092bc3606771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ab4beb6b4b82929a112430df3d9b7d1e14c605b0ab4fdbff02092bc3606771", kill_on_drop: false }`
[INFO] [stdout] 94ab4beb6b4b82929a112430df3d9b7d1e14c605b0ab4fdbff02092bc3606771