[INFO] fetching crate discorec 0.1.1...
[INFO] testing discorec-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate discorec 0.1.1 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate discorec 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discorec 0.1.1
[INFO] finished tweaking crates.io crate discorec 0.1.1
[INFO] tweaked toml for crates.io crate discorec 0.1.1 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded rand_distr v0.4.3
[INFO] [stderr]   Downloaded ndarray v0.15.4
[INFO] [stderr]   Downloaded sprs v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a7608cf48a7cfc9a59eac3354a27b065e475f7939fb6f7ec2f96432c85fdf1a
[INFO] running `Command { std: "docker" "start" "-a" "8a7608cf48a7cfc9a59eac3354a27b065e475f7939fb6f7ec2f96432c85fdf1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a7608cf48a7cfc9a59eac3354a27b065e475f7939fb6f7ec2f96432c85fdf1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a7608cf48a7cfc9a59eac3354a27b065e475f7939fb6f7ec2f96432c85fdf1a", kill_on_drop: false }`
[INFO] [stdout] 8a7608cf48a7cfc9a59eac3354a27b065e475f7939fb6f7ec2f96432c85fdf1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 828e7ed4428ab4e89e90b6581fb494c236b1af32e37bf4c548b78368e561fafa
[INFO] running `Command { std: "docker" "start" "-a" "828e7ed4428ab4e89e90b6581fb494c236b1af32e37bf4c548b78368e561fafa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.4
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling sprs v0.11.0
[INFO] [stderr]    Compiling discorec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "828e7ed4428ab4e89e90b6581fb494c236b1af32e37bf4c548b78368e561fafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828e7ed4428ab4e89e90b6581fb494c236b1af32e37bf4c548b78368e561fafa", kill_on_drop: false }`
[INFO] [stdout] 828e7ed4428ab4e89e90b6581fb494c236b1af32e37bf4c548b78368e561fafa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1427209e078341f32160cb339f8e9feec3cdb514767997c03f2b1b3c47f6c6cf
[INFO] running `Command { std: "docker" "start" "-a" "1427209e078341f32160cb339f8e9feec3cdb514767997c03f2b1b3c47f6c6cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling discorec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "1427209e078341f32160cb339f8e9feec3cdb514767997c03f2b1b3c47f6c6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1427209e078341f32160cb339f8e9feec3cdb514767997c03f2b1b3c47f6c6cf", kill_on_drop: false }`
[INFO] [stdout] 1427209e078341f32160cb339f8e9feec3cdb514767997c03f2b1b3c47f6c6cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f133892701e38339a9f7bf8b05fcbe21c69c0e6764d821f1c232b1e575f4380
[INFO] running `Command { std: "docker" "start" "-a" "2f133892701e38339a9f7bf8b05fcbe21c69c0e6764d821f1c232b1e575f4380", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/discorec-30a1eb903ede57a8)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test dataset::tests::test_with_capacity ... ok
[INFO] [stdout] test dataset::tests::test_new ... ok
[INFO] [stdout] test tests::test_callback_explicit_eval ... ok
[INFO] [stdout] test tests::test_callback_explicit ... ok
[INFO] [stdout] test tests::test_callback_implicit ... ok
[INFO] [stdout] test tests::test_ids ... ok
[INFO] [stdout] test tests::test_item_recs_same_score ... ok
[INFO] [stdout] test tests::test_rated ... ok
[INFO] [stdout] test tests::test_factors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests discorec
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2f133892701e38339a9f7bf8b05fcbe21c69c0e6764d821f1c232b1e575f4380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f133892701e38339a9f7bf8b05fcbe21c69c0e6764d821f1c232b1e575f4380", kill_on_drop: false }`
[INFO] [stdout] 2f133892701e38339a9f7bf8b05fcbe21c69c0e6764d821f1c232b1e575f4380