[INFO] fetching crate libmf 0.3.0...
[INFO] testing libmf-0.3.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate libmf 0.3.0 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libmf 0.3.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55a7685990ee9a524857c0db48fdd3476922f69af4dbf4adebce804ff8603c1c
[INFO] running `Command { std: "docker" "start" "-a" "55a7685990ee9a524857c0db48fdd3476922f69af4dbf4adebce804ff8603c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55a7685990ee9a524857c0db48fdd3476922f69af4dbf4adebce804ff8603c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a7685990ee9a524857c0db48fdd3476922f69af4dbf4adebce804ff8603c1c", kill_on_drop: false }`
[INFO] [stdout] 55a7685990ee9a524857c0db48fdd3476922f69af4dbf4adebce804ff8603c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b05e08ea016e0e6b0eb41897af5a045a1a85235d23313698393835d2836e5959
[INFO] running `Command { std: "docker" "start" "-a" "b05e08ea016e0e6b0eb41897af5a045a1a85235d23313698393835d2836e5959", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.05s
[INFO] running `Command { std: "docker" "inspect" "b05e08ea016e0e6b0eb41897af5a045a1a85235d23313698393835d2836e5959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05e08ea016e0e6b0eb41897af5a045a1a85235d23313698393835d2836e5959", kill_on_drop: false }`
[INFO] [stdout] b05e08ea016e0e6b0eb41897af5a045a1a85235d23313698393835d2836e5959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca21c825919b75b5423e8c2ff132104d9acdd59c8735f0514a77c105e458f19d
[INFO] running `Command { std: "docker" "start" "-a" "ca21c825919b75b5423e8c2ff132104d9acdd59c8735f0514a77c105e458f19d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "ca21c825919b75b5423e8c2ff132104d9acdd59c8735f0514a77c105e458f19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca21c825919b75b5423e8c2ff132104d9acdd59c8735f0514a77c105e458f19d", kill_on_drop: false }`
[INFO] [stdout] ca21c825919b75b5423e8c2ff132104d9acdd59c8735f0514a77c105e458f19d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97999672f38a22dfde38bdcbad7ef0ccef67af85ab0492cf93a8402a6e5f135a
[INFO] running `Command { std: "docker" "start" "-a" "97999672f38a22dfde38bdcbad7ef0ccef67af85ab0492cf93a8402a6e5f135a", 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] warning: train on an empty training set
[INFO] [stdout] test model::tests::test_fit_empty ... ok
[INFO] [stdout] test model::tests::test_fit_bad_params ... ok
[INFO] [stdout] test model::tests::test_cv_bad_params ... ok
[INFO] [stdout] test model::tests::test_loss ... ok
[INFO] [stdout] test matrix::tests::test_with_capacity ... ok
[INFO] [stdout] warning: train on an empty training set
[INFO] [stdout] test model::tests::test_load_missing ... ok
[INFO] [stdout] test model::tests::test_fit_eval_empty ... ok
[INFO] [stdout] test matrix::tests::test_new ... ok
[INFO] [stdout] test model::tests::test_fit_eval_bad_params ... 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_eval ... ok
[INFO] [stdout] test model::tests::test_save_load ... ok
[INFO] [stdout] test model::tests::test_save_missing ... ok
[INFO] [stdout] test model::tests::test_fit ... ok
[INFO] [stdout] test model::tests::test_loss_real_kl ... 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 1.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "97999672f38a22dfde38bdcbad7ef0ccef67af85ab0492cf93a8402a6e5f135a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97999672f38a22dfde38bdcbad7ef0ccef67af85ab0492cf93a8402a6e5f135a", kill_on_drop: false }`
[INFO] [stdout] 97999672f38a22dfde38bdcbad7ef0ccef67af85ab0492cf93a8402a6e5f135a