[INFO] cloning repository https://github.com/matt-sellick/substring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matt-sellick/substring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-sellick%2Fsubstring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-sellick%2Fsubstring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e0328a366e16658cacea43aaf1abe7950195e4c
[INFO] testing matt-sellick/substring against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-sellick%2Fsubstring" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt-sellick/substring 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/matt-sellick/substring
[INFO] finished tweaking git repo https://github.com/matt-sellick/substring
[INFO] tweaked toml for git repo https://github.com/matt-sellick/substring written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/matt-sellick/substring 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9602905bc93ea0480219613375d50d1d7e741cb41b93b211b1a54b74f0b33cd2
[INFO] running `Command { std: "docker" "start" "-a" "9602905bc93ea0480219613375d50d1d7e741cb41b93b211b1a54b74f0b33cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9602905bc93ea0480219613375d50d1d7e741cb41b93b211b1a54b74f0b33cd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9602905bc93ea0480219613375d50d1d7e741cb41b93b211b1a54b74f0b33cd2", kill_on_drop: false }`
[INFO] [stdout] 9602905bc93ea0480219613375d50d1d7e741cb41b93b211b1a54b74f0b33cd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7719c0f3afc44ab1787ac0a9f2b43992da4d16387c0944cb64c9de5de7719f27
[INFO] running `Command { std: "docker" "start" "-a" "7719c0f3afc44ab1787ac0a9f2b43992da4d16387c0944cb64c9de5de7719f27", kill_on_drop: false }`
[INFO] [stderr]    Compiling substring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "7719c0f3afc44ab1787ac0a9f2b43992da4d16387c0944cb64c9de5de7719f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7719c0f3afc44ab1787ac0a9f2b43992da4d16387c0944cb64c9de5de7719f27", kill_on_drop: false }`
[INFO] [stdout] 7719c0f3afc44ab1787ac0a9f2b43992da4d16387c0944cb64c9de5de7719f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 7ff39743d398c6d35cbb8b389ba0e5f1a11964ade9d705ebd97ddbe2c24dc822
[INFO] running `Command { std: "docker" "start" "-a" "7ff39743d398c6d35cbb8b389ba0e5f1a11964ade9d705ebd97ddbe2c24dc822", kill_on_drop: false }`
[INFO] [stderr]    Compiling substring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "7ff39743d398c6d35cbb8b389ba0e5f1a11964ade9d705ebd97ddbe2c24dc822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff39743d398c6d35cbb8b389ba0e5f1a11964ade9d705ebd97ddbe2c24dc822", kill_on_drop: false }`
[INFO] [stdout] 7ff39743d398c6d35cbb8b389ba0e5f1a11964ade9d705ebd97ddbe2c24dc822
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c9c63dc922fd7b2f34a9bf63e5efdd9977c9d18993abf844f0689a3c0959eb92
[INFO] running `Command { std: "docker" "start" "-a" "c9c63dc922fd7b2f34a9bf63e5efdd9977c9d18993abf844f0689a3c0959eb92", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/substring-4ecc328e0fed74d1)
[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" "c9c63dc922fd7b2f34a9bf63e5efdd9977c9d18993abf844f0689a3c0959eb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c63dc922fd7b2f34a9bf63e5efdd9977c9d18993abf844f0689a3c0959eb92", kill_on_drop: false }`
[INFO] [stdout] c9c63dc922fd7b2f34a9bf63e5efdd9977c9d18993abf844f0689a3c0959eb92