[INFO] cloning repository https://github.com/hobbsbros/learntk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hobbsbros/learntk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobbsbros%2Flearntk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobbsbros%2Flearntk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2382dbde78232994dccfc2f7f98ab4a3340125a
[INFO] testing hobbsbros/learntk against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobbsbros%2Flearntk" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hobbsbros/learntk
[INFO] finished tweaking git repo https://github.com/hobbsbros/learntk
[INFO] tweaked toml for git repo https://github.com/hobbsbros/learntk written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hobbsbros/learntk on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hobbsbros/learntk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62df9978d157c63c7559aae41a1d193d8c2e8de91a77877508b076d5709d3d9e
[INFO] running `Command { std: "docker" "start" "-a" "62df9978d157c63c7559aae41a1d193d8c2e8de91a77877508b076d5709d3d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62df9978d157c63c7559aae41a1d193d8c2e8de91a77877508b076d5709d3d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62df9978d157c63c7559aae41a1d193d8c2e8de91a77877508b076d5709d3d9e", kill_on_drop: false }`
[INFO] [stdout] 62df9978d157c63c7559aae41a1d193d8c2e8de91a77877508b076d5709d3d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7b3aae55282ee0522f2caa36280bf17f2edc8809372e3993551d262c29b7057c
[INFO] running `Command { std: "docker" "start" "-a" "7b3aae55282ee0522f2caa36280bf17f2edc8809372e3993551d262c29b7057c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling portable-atomic v0.3.19
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling console v0.15.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling indicatif v0.17.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling learntk v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "7b3aae55282ee0522f2caa36280bf17f2edc8809372e3993551d262c29b7057c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3aae55282ee0522f2caa36280bf17f2edc8809372e3993551d262c29b7057c", kill_on_drop: false }`
[INFO] [stdout] 7b3aae55282ee0522f2caa36280bf17f2edc8809372e3993551d262c29b7057c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d9d78939568e8692c6507baa9000d1d818fe223f786381fc3b7baab30183e980
[INFO] running `Command { std: "docker" "start" "-a" "d9d78939568e8692c6507baa9000d1d818fe223f786381fc3b7baab30183e980", kill_on_drop: false }`
[INFO] [stderr]    Compiling learntk v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "d9d78939568e8692c6507baa9000d1d818fe223f786381fc3b7baab30183e980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d78939568e8692c6507baa9000d1d818fe223f786381fc3b7baab30183e980", kill_on_drop: false }`
[INFO] [stdout] d9d78939568e8692c6507baa9000d1d818fe223f786381fc3b7baab30183e980
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 481fe40e31ef9e4c6b89adba279642d4191765dc1c3704e665e459b1b777b497
[INFO] running `Command { std: "docker" "start" "-a" "481fe40e31ef9e4c6b89adba279642d4191765dc1c3704e665e459b1b777b497", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/learntk-725bad187e7b94db)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test linalg::multiply_matrix_and_vector ... ok
[INFO] [stdout] test neural::import_dataset ... ok
[INFO] [stdout] test neural::evaluate_layer ... ok
[INFO] [stdout] test neural::train_network ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 12.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "481fe40e31ef9e4c6b89adba279642d4191765dc1c3704e665e459b1b777b497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "481fe40e31ef9e4c6b89adba279642d4191765dc1c3704e665e459b1b777b497", kill_on_drop: false }`
[INFO] [stdout] 481fe40e31ef9e4c6b89adba279642d4191765dc1c3704e665e459b1b777b497