[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-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlbertoCaballero%2Frust-regression" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlbertoCaballero/rust-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/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-23/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-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 95dff5a2a2c43174c63c24827de750ad30c3d8889aa30a9f1efb0efce40199a3
[INFO] running `Command { std: "docker" "start" "-a" "95dff5a2a2c43174c63c24827de750ad30c3d8889aa30a9f1efb0efce40199a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95dff5a2a2c43174c63c24827de750ad30c3d8889aa30a9f1efb0efce40199a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95dff5a2a2c43174c63c24827de750ad30c3d8889aa30a9f1efb0efce40199a3", kill_on_drop: false }`
[INFO] [stdout] 95dff5a2a2c43174c63c24827de750ad30c3d8889aa30a9f1efb0efce40199a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] c95dcc00ac30a509bb813beb14551a9383c77824d8f24a5b8d3c141e23ec5d31
[INFO] running `Command { std: "docker" "start" "-a" "c95dcc00ac30a509bb813beb14551a9383c77824d8f24a5b8d3c141e23ec5d31", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.33s
[INFO] running `Command { std: "docker" "inspect" "c95dcc00ac30a509bb813beb14551a9383c77824d8f24a5b8d3c141e23ec5d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95dcc00ac30a509bb813beb14551a9383c77824d8f24a5b8d3c141e23ec5d31", kill_on_drop: false }`
[INFO] [stdout] c95dcc00ac30a509bb813beb14551a9383c77824d8f24a5b8d3c141e23ec5d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 1e12aa66a75ca6c6479bd0269f714f555568c40ea3cfec0ba57aed85d2248faa
[INFO] running `Command { std: "docker" "start" "-a" "1e12aa66a75ca6c6479bd0269f714f555568c40ea3cfec0ba57aed85d2248faa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_reg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/linear_reg-0084904bcf81f384)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_reg-86c5e76dc2260f30)
[INFO] running `Command { std: "docker" "inspect" "1e12aa66a75ca6c6479bd0269f714f555568c40ea3cfec0ba57aed85d2248faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e12aa66a75ca6c6479bd0269f714f555568c40ea3cfec0ba57aed85d2248faa", kill_on_drop: false }`
[INFO] [stdout] 1e12aa66a75ca6c6479bd0269f714f555568c40ea3cfec0ba57aed85d2248faa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 91b73dad754a74ab7fb252dabebde616a83185a4ed618fd99d1729c2b229567a
[INFO] running `Command { std: "docker" "start" "-a" "91b73dad754a74ab7fb252dabebde616a83185a4ed618fd99d1729c2b229567a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linear_reg-0084904bcf81f384)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_reg-86c5e76dc2260f30)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linear_reg
[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" "91b73dad754a74ab7fb252dabebde616a83185a4ed618fd99d1729c2b229567a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b73dad754a74ab7fb252dabebde616a83185a4ed618fd99d1729c2b229567a", kill_on_drop: false }`
[INFO] [stdout] 91b73dad754a74ab7fb252dabebde616a83185a4ed618fd99d1729c2b229567a