[INFO] fetching crate libmf 0.3.0...
[INFO] testing libmf-0.3.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate libmf 0.3.0 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libmf 0.3.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b929912ee8ecf95ba29f76f5f435205b35a498839161b26bf48acb6ee2559f3
[INFO] running `Command { std: "docker" "start" "-a" "1b929912ee8ecf95ba29f76f5f435205b35a498839161b26bf48acb6ee2559f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b929912ee8ecf95ba29f76f5f435205b35a498839161b26bf48acb6ee2559f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b929912ee8ecf95ba29f76f5f435205b35a498839161b26bf48acb6ee2559f3", kill_on_drop: false }`
[INFO] [stdout] 1b929912ee8ecf95ba29f76f5f435205b35a498839161b26bf48acb6ee2559f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79cf15a6f810c3aba662b83f917e88eb0a965e827247bd060756c0081bca84fd
[INFO] running `Command { std: "docker" "start" "-a" "79cf15a6f810c3aba662b83f917e88eb0a965e827247bd060756c0081bca84fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.76s
[INFO] running `Command { std: "docker" "inspect" "79cf15a6f810c3aba662b83f917e88eb0a965e827247bd060756c0081bca84fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79cf15a6f810c3aba662b83f917e88eb0a965e827247bd060756c0081bca84fd", kill_on_drop: false }`
[INFO] [stdout] 79cf15a6f810c3aba662b83f917e88eb0a965e827247bd060756c0081bca84fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 566239cd0e508f02f10a7ea5a748191d0c2a69e7a68e5416208c9e095e7ddefc
[INFO] running `Command { std: "docker" "start" "-a" "566239cd0e508f02f10a7ea5a748191d0c2a69e7a68e5416208c9e095e7ddefc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "566239cd0e508f02f10a7ea5a748191d0c2a69e7a68e5416208c9e095e7ddefc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566239cd0e508f02f10a7ea5a748191d0c2a69e7a68e5416208c9e095e7ddefc", kill_on_drop: false }`
[INFO] [stdout] 566239cd0e508f02f10a7ea5a748191d0c2a69e7a68e5416208c9e095e7ddefc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4f1566e387f4c0f2dd9c70ce8c7a3ddb0be4fd2a61fda6ac76c6f7e671e4449
[INFO] running `Command { std: "docker" "start" "-a" "a4f1566e387f4c0f2dd9c70ce8c7a3ddb0be4fd2a61fda6ac76c6f7e671e4449", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libmf-77b029c67fe5701f)
[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_new ... ok
[INFO] [stdout] test matrix::tests::test_with_capacity ... ok
[INFO] [stdout] test model::tests::test_cv_bad_params ... ok
[INFO] [stdout] test model::tests::test_load_missing ... ok
[INFO] [stdout] test model::tests::test_fit_eval_bad_params ... 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_fit_bad_params ... ok
[INFO] [stdout] test model::tests::test_loss ... ok
[INFO] [stdout] test model::tests::test_loss_real_kl ... ok
[INFO] [stdout] test model::tests::test_metrics ... ok
[INFO] [stdout] test model::tests::test_predict_out_of_range ... ok
[INFO] [stdout] test model::tests::test_fit ... ok
[INFO] [stdout] test model::tests::test_save_missing ... ok
[INFO] [stdout] test model::tests::test_save_load ... ok
[INFO] [stdout] test model::tests::test_fit_eval ... 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 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a4f1566e387f4c0f2dd9c70ce8c7a3ddb0be4fd2a61fda6ac76c6f7e671e4449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f1566e387f4c0f2dd9c70ce8c7a3ddb0be4fd2a61fda6ac76c6f7e671e4449", kill_on_drop: false }`
[INFO] [stdout] a4f1566e387f4c0f2dd9c70ce8c7a3ddb0be4fd2a61fda6ac76c6f7e671e4449