[INFO] cloning repository https://github.com/nilsmartel/linear-regression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilsmartel/linear-regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsmartel%2Flinear-regression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsmartel%2Flinear-regression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a176b3701624dc10334dad4d3529adb83bcb4ab
[INFO] testing nilsmartel/linear-regression against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsmartel%2Flinear-regression" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilsmartel/linear-regression on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nilsmartel/linear-regression
[INFO] finished tweaking git repo https://github.com/nilsmartel/linear-regression
[INFO] tweaked toml for git repo https://github.com/nilsmartel/linear-regression written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/nilsmartel/linear-regression already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5eef09786d289d9285f2eec25056c73bcf51e712c5403d9a1e624a41b9bc5a1f
[INFO] running `Command { std: "docker" "start" "-a" "5eef09786d289d9285f2eec25056c73bcf51e712c5403d9a1e624a41b9bc5a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eef09786d289d9285f2eec25056c73bcf51e712c5403d9a1e624a41b9bc5a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eef09786d289d9285f2eec25056c73bcf51e712c5403d9a1e624a41b9bc5a1f", kill_on_drop: false }`
[INFO] [stdout] 5eef09786d289d9285f2eec25056c73bcf51e712c5403d9a1e624a41b9bc5a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b26e25d8faf04ea668ec66622460f20d5c2652dd8dc1de6b1a7e5a31bc8591a
[INFO] running `Command { std: "docker" "start" "-a" "5b26e25d8faf04ea668ec66622460f20d5c2652dd8dc1de6b1a7e5a31bc8591a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling linear-regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "5b26e25d8faf04ea668ec66622460f20d5c2652dd8dc1de6b1a7e5a31bc8591a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b26e25d8faf04ea668ec66622460f20d5c2652dd8dc1de6b1a7e5a31bc8591a", kill_on_drop: false }`
[INFO] [stdout] 5b26e25d8faf04ea668ec66622460f20d5c2652dd8dc1de6b1a7e5a31bc8591a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 940ecec6b3a96129b70c333db34fe8644150c4563b0a3a417e06c190dff08f9e
[INFO] running `Command { std: "docker" "start" "-a" "940ecec6b3a96129b70c333db34fe8644150c4563b0a3a417e06c190dff08f9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling linear-regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/linear_regression-c7b0b5f65ab247ff)
[INFO] running `Command { std: "docker" "inspect" "940ecec6b3a96129b70c333db34fe8644150c4563b0a3a417e06c190dff08f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940ecec6b3a96129b70c333db34fe8644150c4563b0a3a417e06c190dff08f9e", kill_on_drop: false }`
[INFO] [stdout] 940ecec6b3a96129b70c333db34fe8644150c4563b0a3a417e06c190dff08f9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc8804f9a7cd479a90fe6b9c26ebd0e162ff5b558cc55322852d5362707d5ad4
[INFO] running `Command { std: "docker" "start" "-a" "fc8804f9a7cd479a90fe6b9c26ebd0e162ff5b558cc55322852d5362707d5ad4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/linear_regression-c7b0b5f65ab247ff)
[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" "fc8804f9a7cd479a90fe6b9c26ebd0e162ff5b558cc55322852d5362707d5ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8804f9a7cd479a90fe6b9c26ebd0e162ff5b558cc55322852d5362707d5ad4", kill_on_drop: false }`
[INFO] [stdout] fc8804f9a7cd479a90fe6b9c26ebd0e162ff5b558cc55322852d5362707d5ad4