[INFO] cloning repository https://github.com/robertknight/len
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robertknight/len" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertknight%2Flen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertknight%2Flen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f10098fa044d7765f73029a8fb380a2f70238fd1
[INFO] testing robertknight/len against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertknight%2Flen" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robertknight/len on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robertknight/len
[INFO] finished tweaking git repo https://github.com/robertknight/len
[INFO] tweaked toml for git repo https://github.com/robertknight/len written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/robertknight/len already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b88cb7064d9ee65f63fd382aecf9b67819056a983340f767e55d9ba3c23d0a4
[INFO] running `Command { std: "docker" "start" "-a" "7b88cb7064d9ee65f63fd382aecf9b67819056a983340f767e55d9ba3c23d0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b88cb7064d9ee65f63fd382aecf9b67819056a983340f767e55d9ba3c23d0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b88cb7064d9ee65f63fd382aecf9b67819056a983340f767e55d9ba3c23d0a4", kill_on_drop: false }`
[INFO] [stdout] 7b88cb7064d9ee65f63fd382aecf9b67819056a983340f767e55d9ba3c23d0a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a85aed4a2a1639cc0c0561ddb9b4d31304df96b1ce2ea547f87fc611f5a7d9ac
[INFO] running `Command { std: "docker" "start" "-a" "a85aed4a2a1639cc0c0561ddb9b4d31304df96b1ce2ea547f87fc611f5a7d9ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling bytesize v1.0.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling len v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "a85aed4a2a1639cc0c0561ddb9b4d31304df96b1ce2ea547f87fc611f5a7d9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a85aed4a2a1639cc0c0561ddb9b4d31304df96b1ce2ea547f87fc611f5a7d9ac", kill_on_drop: false }`
[INFO] [stdout] a85aed4a2a1639cc0c0561ddb9b4d31304df96b1ce2ea547f87fc611f5a7d9ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae2f051fe32e867e7403379a6568a565ff0e438afa8842e25c7fd119b9f1ceed
[INFO] running `Command { std: "docker" "start" "-a" "ae2f051fe32e867e7403379a6568a565ff0e438afa8842e25c7fd119b9f1ceed", kill_on_drop: false }`
[INFO] [stderr]    Compiling len v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "ae2f051fe32e867e7403379a6568a565ff0e438afa8842e25c7fd119b9f1ceed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2f051fe32e867e7403379a6568a565ff0e438afa8842e25c7fd119b9f1ceed", kill_on_drop: false }`
[INFO] [stdout] ae2f051fe32e867e7403379a6568a565ff0e438afa8842e25c7fd119b9f1ceed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbeede71c2ac3659d3d16d9c4468acb8eadf5e6fbd09f4c9a7920c2d7cb8df42
[INFO] running `Command { std: "docker" "start" "-a" "bbeede71c2ac3659d3d16d9c4468acb8eadf5e6fbd09f4c9a7920c2d7cb8df42", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/len-c31facd49975af93)
[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" "bbeede71c2ac3659d3d16d9c4468acb8eadf5e6fbd09f4c9a7920c2d7cb8df42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbeede71c2ac3659d3d16d9c4468acb8eadf5e6fbd09f4c9a7920c2d7cb8df42", kill_on_drop: false }`
[INFO] [stdout] bbeede71c2ac3659d3d16d9c4468acb8eadf5e6fbd09f4c9a7920c2d7cb8df42