[INFO] cloning repository https://github.com/scopatz/opticut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scopatz/opticut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscopatz%2Fopticut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscopatz%2Fopticut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dce564c22dd9cf5fcc1a08c4594baa783c2534cc
[INFO] testing scopatz/opticut against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscopatz%2Fopticut" "/workspace/builds/worker-59/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-59/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scopatz/opticut on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scopatz/opticut
[INFO] finished tweaking git repo https://github.com/scopatz/opticut
[INFO] tweaked toml for git repo https://github.com/scopatz/opticut written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] crate git repo https://github.com/scopatz/opticut already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0b2995debe4486b5f432e2538613c5c67344fc9c0556bf0a6376a57d16a7846
[INFO] running `Command { std: "docker" "start" "-a" "a0b2995debe4486b5f432e2538613c5c67344fc9c0556bf0a6376a57d16a7846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0b2995debe4486b5f432e2538613c5c67344fc9c0556bf0a6376a57d16a7846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b2995debe4486b5f432e2538613c5c67344fc9c0556bf0a6376a57d16a7846", kill_on_drop: false }`
[INFO] [stdout] a0b2995debe4486b5f432e2538613c5c67344fc9c0556bf0a6376a57d16a7846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b685fc1ce9439f7c127bd59621733a6c5149d583d606ec38b6fb9d6c10f44643
[INFO] running `Command { std: "docker" "start" "-a" "b685fc1ce9439f7c127bd59621733a6c5149d583d606ec38b6fb9d6c10f44643", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling opticut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `Command { std: "docker" "inspect" "b685fc1ce9439f7c127bd59621733a6c5149d583d606ec38b6fb9d6c10f44643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b685fc1ce9439f7c127bd59621733a6c5149d583d606ec38b6fb9d6c10f44643", kill_on_drop: false }`
[INFO] [stdout] b685fc1ce9439f7c127bd59621733a6c5149d583d606ec38b6fb9d6c10f44643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34cfb1e6309dd8227a42c44a5c5cf02fa62d76bde6b2b246aa055491c909f64f
[INFO] running `Command { std: "docker" "start" "-a" "34cfb1e6309dd8227a42c44a5c5cf02fa62d76bde6b2b246aa055491c909f64f", kill_on_drop: false }`
[INFO] [stderr]    Compiling opticut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "34cfb1e6309dd8227a42c44a5c5cf02fa62d76bde6b2b246aa055491c909f64f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34cfb1e6309dd8227a42c44a5c5cf02fa62d76bde6b2b246aa055491c909f64f", kill_on_drop: false }`
[INFO] [stdout] 34cfb1e6309dd8227a42c44a5c5cf02fa62d76bde6b2b246aa055491c909f64f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 015e3eff520e6c43dae57b83389bb975a05a55a7c28358949765ffc1786c2f6c
[INFO] running `Command { std: "docker" "start" "-a" "015e3eff520e6c43dae57b83389bb975a05a55a7c28358949765ffc1786c2f6c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/opticut-ae78143b2c3b13af)
[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" "015e3eff520e6c43dae57b83389bb975a05a55a7c28358949765ffc1786c2f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015e3eff520e6c43dae57b83389bb975a05a55a7c28358949765ffc1786c2f6c", kill_on_drop: false }`
[INFO] [stdout] 015e3eff520e6c43dae57b83389bb975a05a55a7c28358949765ffc1786c2f6c