[INFO] cloning repository https://github.com/segeljakt/ml-rust-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/segeljakt/ml-rust-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegeljakt%2Fml-rust-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegeljakt%2Fml-rust-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c959c62ea92909fa51800cd3438d9df9eee3d2cb
[INFO] testing segeljakt/ml-rust-experiment 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%2Fsegeljakt%2Fml-rust-experiment" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/segeljakt/ml-rust-experiment 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/segeljakt/ml-rust-experiment
[INFO] finished tweaking git repo https://github.com/segeljakt/ml-rust-experiment
[INFO] tweaked toml for git repo https://github.com/segeljakt/ml-rust-experiment written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/segeljakt/ml-rust-experiment 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] a1ad0bedd672e27dff084755b5a0063640807ffc79161ca6e38200d697014db2
[INFO] running `Command { std: "docker" "start" "-a" "a1ad0bedd672e27dff084755b5a0063640807ffc79161ca6e38200d697014db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1ad0bedd672e27dff084755b5a0063640807ffc79161ca6e38200d697014db2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ad0bedd672e27dff084755b5a0063640807ffc79161ca6e38200d697014db2", kill_on_drop: false }`
[INFO] [stdout] a1ad0bedd672e27dff084755b5a0063640807ffc79161ca6e38200d697014db2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 7434d53d806259ef460e0583da384fe372cea207f8403b6cdaee18007c0b4de2
[INFO] running `Command { std: "docker" "start" "-a" "7434d53d806259ef460e0583da384fe372cea207f8403b6cdaee18007c0b4de2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling pyo3-build-config v0.14.5
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pyo3 v0.14.5
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.14.5
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.14.5
[INFO] [stderr]    Compiling indoc v0.3.6
[INFO] [stderr]    Compiling my-ml-program v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "7434d53d806259ef460e0583da384fe372cea207f8403b6cdaee18007c0b4de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7434d53d806259ef460e0583da384fe372cea207f8403b6cdaee18007c0b4de2", kill_on_drop: false }`
[INFO] [stdout] 7434d53d806259ef460e0583da384fe372cea207f8403b6cdaee18007c0b4de2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 6df065512dda23d6d6642b56288e8dea30587e923fcd41f211fcded9c74db983
[INFO] running `Command { std: "docker" "start" "-a" "6df065512dda23d6d6642b56288e8dea30587e923fcd41f211fcded9c74db983", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling my-ml-program v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/my_ml_program-e35a4d29848f2ef7)
[INFO] running `Command { std: "docker" "inspect" "6df065512dda23d6d6642b56288e8dea30587e923fcd41f211fcded9c74db983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df065512dda23d6d6642b56288e8dea30587e923fcd41f211fcded9c74db983", kill_on_drop: false }`
[INFO] [stdout] 6df065512dda23d6d6642b56288e8dea30587e923fcd41f211fcded9c74db983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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] 04de75c549f8285753d2b21b38c46eea9386be2a86c7b3f3377bd9ae9c037f7f
[INFO] running `Command { std: "docker" "start" "-a" "04de75c549f8285753d2b21b38c46eea9386be2a86c7b3f3377bd9ae9c037f7f", kill_on_drop: false }`
[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]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/my_ml_program-e35a4d29848f2ef7)
[INFO] running `Command { std: "docker" "inspect" "04de75c549f8285753d2b21b38c46eea9386be2a86c7b3f3377bd9ae9c037f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04de75c549f8285753d2b21b38c46eea9386be2a86c7b3f3377bd9ae9c037f7f", kill_on_drop: false }`
[INFO] [stdout] 04de75c549f8285753d2b21b38c46eea9386be2a86c7b3f3377bd9ae9c037f7f