[INFO] cloning repository https://github.com/AlbertoCaballero/rust-regression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlbertoCaballero/rust-regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbertoCaballero%2Frust-regression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbertoCaballero%2Frust-regression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bb32aa8d96e44f341275528dd88cecc7e304744
[INFO] testing AlbertoCaballero/rust-regression against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbertoCaballero%2Frust-regression" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlbertoCaballero/rust-regression on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlbertoCaballero/rust-regression
[INFO] finished tweaking git repo https://github.com/AlbertoCaballero/rust-regression
[INFO] tweaked toml for git repo https://github.com/AlbertoCaballero/rust-regression written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/AlbertoCaballero/rust-regression already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotlib v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f909debb70d38ed32de96ac3c92967e7d60c23bfba81d19867a10bee4e38b9b1
[INFO] running `Command { std: "docker" "start" "-a" "f909debb70d38ed32de96ac3c92967e7d60c23bfba81d19867a10bee4e38b9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f909debb70d38ed32de96ac3c92967e7d60c23bfba81d19867a10bee4e38b9b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f909debb70d38ed32de96ac3c92967e7d60c23bfba81d19867a10bee4e38b9b1", kill_on_drop: false }`
[INFO] [stdout] f909debb70d38ed32de96ac3c92967e7d60c23bfba81d19867a10bee4e38b9b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5482c11d65ae4355064321dc63a29eeab32261bee022c37b3f2d0f1201384668
[INFO] running `Command { std: "docker" "start" "-a" "5482c11d65ae4355064321dc63a29eeab32261bee022c37b3f2d0f1201384668", kill_on_drop: false }`
[INFO] [stderr]    Compiling svg v0.5.12
[INFO] [stderr]    Compiling plotlib v0.3.0
[INFO] [stderr]    Compiling rust_reg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "5482c11d65ae4355064321dc63a29eeab32261bee022c37b3f2d0f1201384668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5482c11d65ae4355064321dc63a29eeab32261bee022c37b3f2d0f1201384668", kill_on_drop: false }`
[INFO] [stdout] 5482c11d65ae4355064321dc63a29eeab32261bee022c37b3f2d0f1201384668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 340b8f850509d90111c9e7ad67683d3bfb7b264d7e25ad7833cb7428c0342c33
[INFO] running `Command { std: "docker" "start" "-a" "340b8f850509d90111c9e7ad67683d3bfb7b264d7e25ad7833cb7428c0342c33", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_reg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "340b8f850509d90111c9e7ad67683d3bfb7b264d7e25ad7833cb7428c0342c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "340b8f850509d90111c9e7ad67683d3bfb7b264d7e25ad7833cb7428c0342c33", kill_on_drop: false }`
[INFO] [stdout] 340b8f850509d90111c9e7ad67683d3bfb7b264d7e25ad7833cb7428c0342c33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 280cadac0ab1d73ce563689b9b7910498b37014139867db3a468f32797708f44
[INFO] running `Command { std: "docker" "start" "-a" "280cadac0ab1d73ce563689b9b7910498b37014139867db3a468f32797708f44", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linear_reg-0084904bcf81f384)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_reg-86c5e76dc2260f30)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests linear_reg
[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 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] [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" "280cadac0ab1d73ce563689b9b7910498b37014139867db3a468f32797708f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280cadac0ab1d73ce563689b9b7910498b37014139867db3a468f32797708f44", kill_on_drop: false }`
[INFO] [stdout] 280cadac0ab1d73ce563689b9b7910498b37014139867db3a468f32797708f44