[INFO] fetching crate libmf 0.3.0...
[INFO] testing libmf-0.3.0 against beta-2024-09-05 for beta-1.82-1
[INFO] extracting crate libmf 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate libmf 0.3.0 on toolchain beta-2024-09-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-09-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libmf 0.3.0
[INFO] finished tweaking crates.io crate libmf 0.3.0
[INFO] tweaked toml for crates.io crate libmf 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-09-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-09-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-09-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15be8d47ab60518eb931c6bbdad284d6fcb6c5ad7839aa3a6cf94f32ec33b733
[INFO] running `Command { std: "docker" "start" "-a" "15be8d47ab60518eb931c6bbdad284d6fcb6c5ad7839aa3a6cf94f32ec33b733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15be8d47ab60518eb931c6bbdad284d6fcb6c5ad7839aa3a6cf94f32ec33b733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15be8d47ab60518eb931c6bbdad284d6fcb6c5ad7839aa3a6cf94f32ec33b733", kill_on_drop: false }`
[INFO] [stdout] 15be8d47ab60518eb931c6bbdad284d6fcb6c5ad7839aa3a6cf94f32ec33b733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-09-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ecb9dba43ecaa90e09b150318d0e8f5a594566f4989e49a13a947b426cbd079
[INFO] running `Command { std: "docker" "start" "-a" "5ecb9dba43ecaa90e09b150318d0e8f5a594566f4989e49a13a947b426cbd079", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]    Compiling libmf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "5ecb9dba43ecaa90e09b150318d0e8f5a594566f4989e49a13a947b426cbd079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ecb9dba43ecaa90e09b150318d0e8f5a594566f4989e49a13a947b426cbd079", kill_on_drop: false }`
[INFO] [stdout] 5ecb9dba43ecaa90e09b150318d0e8f5a594566f4989e49a13a947b426cbd079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-09-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b743994375ff500a487dfa4c49f4285e8d422f673baaf4bd06ab10cb1f50b7b
[INFO] running `Command { std: "docker" "start" "-a" "3b743994375ff500a487dfa4c49f4285e8d422f673baaf4bd06ab10cb1f50b7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "3b743994375ff500a487dfa4c49f4285e8d422f673baaf4bd06ab10cb1f50b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b743994375ff500a487dfa4c49f4285e8d422f673baaf4bd06ab10cb1f50b7b", kill_on_drop: false }`
[INFO] [stdout] 3b743994375ff500a487dfa4c49f4285e8d422f673baaf4bd06ab10cb1f50b7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-09-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d13ef545af3acf0eda56804a91638350e04b5390f134946a47e5fdaf6de5289a
[INFO] running `Command { std: "docker" "start" "-a" "d13ef545af3acf0eda56804a91638350e04b5390f134946a47e5fdaf6de5289a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libmf-08c0ab98bcb5fdb0)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] warning: train on an empty training set
[INFO] [stdout] warning: train on an empty training set
[INFO] [stdout] test matrix::tests::test_with_capacity ... ok
[INFO] [stdout] test matrix::tests::test_new ... ok
[INFO] [stdout] test model::tests::test_cv_bad_params ... ok
[INFO] [stdout] test model::tests::test_fit_bad_params ... ok
[INFO] [stdout] test model::tests::test_fit_eval_bad_params ... ok
[INFO] [stdout] test model::tests::test_load_missing ... ok
[INFO] [stdout] test model::tests::test_fit_empty ... ok
[INFO] [stdout] test model::tests::test_fit_eval_empty ... ok
[INFO] [stdout] test model::tests::test_loss ... ok
[INFO] [stdout] test model::tests::test_predict_out_of_range ... ok
[INFO] [stdout] test model::tests::test_loss_real_kl ... ok
[INFO] [stdout] test model::tests::test_save_load ... ok
[INFO] [stdout] test model::tests::test_fit ... ok
[INFO] [stdout] test model::tests::test_metrics ... ok
[INFO] [stdout] test model::tests::test_fit_eval ... ok
[INFO] [stdout] test model::tests::test_save_missing ... ok
[INFO] [stdout] test model::tests::test_cv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.68s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d13ef545af3acf0eda56804a91638350e04b5390f134946a47e5fdaf6de5289a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d13ef545af3acf0eda56804a91638350e04b5390f134946a47e5fdaf6de5289a", kill_on_drop: false }`
[INFO] [stdout] d13ef545af3acf0eda56804a91638350e04b5390f134946a47e5fdaf6de5289a