[INFO] fetching crate libmf 0.3.0...
[INFO] testing libmf-0.3.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate libmf 0.3.0 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libmf 0.3.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ddb56ac7a0205a4a6ed897bf863cd3e65a53504b45af0174820fdbb62f2b2f4
[INFO] running `Command { std: "docker" "start" "-a" "5ddb56ac7a0205a4a6ed897bf863cd3e65a53504b45af0174820fdbb62f2b2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ddb56ac7a0205a4a6ed897bf863cd3e65a53504b45af0174820fdbb62f2b2f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ddb56ac7a0205a4a6ed897bf863cd3e65a53504b45af0174820fdbb62f2b2f4", kill_on_drop: false }`
[INFO] [stdout] 5ddb56ac7a0205a4a6ed897bf863cd3e65a53504b45af0174820fdbb62f2b2f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 818bb5201347f5888e75f43f56f4f6c5725fafdbf4aede93b9548a7db319c2c1
[INFO] running `Command { std: "docker" "start" "-a" "818bb5201347f5888e75f43f56f4f6c5725fafdbf4aede93b9548a7db319c2c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.65s
[INFO] running `Command { std: "docker" "inspect" "818bb5201347f5888e75f43f56f4f6c5725fafdbf4aede93b9548a7db319c2c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "818bb5201347f5888e75f43f56f4f6c5725fafdbf4aede93b9548a7db319c2c1", kill_on_drop: false }`
[INFO] [stdout] 818bb5201347f5888e75f43f56f4f6c5725fafdbf4aede93b9548a7db319c2c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e11c8932890035eaa89eac67c0be1ecd94191c727f33672f5b5235121381c773
[INFO] running `Command { std: "docker" "start" "-a" "e11c8932890035eaa89eac67c0be1ecd94191c727f33672f5b5235121381c773", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "e11c8932890035eaa89eac67c0be1ecd94191c727f33672f5b5235121381c773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11c8932890035eaa89eac67c0be1ecd94191c727f33672f5b5235121381c773", kill_on_drop: false }`
[INFO] [stdout] e11c8932890035eaa89eac67c0be1ecd94191c727f33672f5b5235121381c773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5e91b6699a1a015564579eb62e01f85aacb9b4a746db98838b89baadc15a746
[INFO] running `Command { std: "docker" "start" "-a" "e5e91b6699a1a015564579eb62e01f85aacb9b4a746db98838b89baadc15a746", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libmf-150c8add8e0ff6ff)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test model::tests::test_cv_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 matrix::tests::test_new ... ok
[INFO] [stdout] test matrix::tests::test_with_capacity ... ok
[INFO] [stdout] warning: train on an empty training set
[INFO] [stdout] warning: train on an empty training set
[INFO] [stdout] test model::tests::test_fit_bad_params ... ok
[INFO] [stdout] test model::tests::test_fit_eval_empty ... ok
[INFO] [stdout] test model::tests::test_fit_empty ... 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_save_load ... 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_predict_out_of_range ... ok
[INFO] [stdout] test model::tests::test_metrics ... ok
[INFO] [stdout] test model::tests::test_fit ... 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 1.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5e91b6699a1a015564579eb62e01f85aacb9b4a746db98838b89baadc15a746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e91b6699a1a015564579eb62e01f85aacb9b4a746db98838b89baadc15a746", kill_on_drop: false }`
[INFO] [stdout] e5e91b6699a1a015564579eb62e01f85aacb9b4a746db98838b89baadc15a746