[INFO] fetching crate discorec 0.1.1...
[INFO] testing discorec-0.1.1 against beta-2022-04-10 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 beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d29fa7af30569a802c2dce7bf2d6ba7cc4351cc39c2e942b205277bdd777d34e
[INFO] running `Command { std: "docker" "start" "-a" "d29fa7af30569a802c2dce7bf2d6ba7cc4351cc39c2e942b205277bdd777d34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d29fa7af30569a802c2dce7bf2d6ba7cc4351cc39c2e942b205277bdd777d34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29fa7af30569a802c2dce7bf2d6ba7cc4351cc39c2e942b205277bdd777d34e", kill_on_drop: false }`
[INFO] [stdout] d29fa7af30569a802c2dce7bf2d6ba7cc4351cc39c2e942b205277bdd777d34e
[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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6d8e7ed8a843d8bed250521c8ceeb048912bb93969a915cca15d622d12f7f10
[INFO] running `Command { std: "docker" "start" "-a" "a6d8e7ed8a843d8bed250521c8ceeb048912bb93969a915cca15d622d12f7f10", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 num-complex v0.4.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ndarray v0.15.4
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling sprs v0.11.0
[INFO] [stderr]    Compiling ndarray-rand v0.14.0
[INFO] [stderr]    Compiling discorec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.44s
[INFO] running `Command { std: "docker" "inspect" "a6d8e7ed8a843d8bed250521c8ceeb048912bb93969a915cca15d622d12f7f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d8e7ed8a843d8bed250521c8ceeb048912bb93969a915cca15d622d12f7f10", kill_on_drop: false }`
[INFO] [stdout] a6d8e7ed8a843d8bed250521c8ceeb048912bb93969a915cca15d622d12f7f10
[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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6ee12af8de9053281a8178f7a619986c42dd8266d3ba975b0798c0de83fb24a
[INFO] running `Command { std: "docker" "start" "-a" "a6ee12af8de9053281a8178f7a619986c42dd8266d3ba975b0798c0de83fb24a", kill_on_drop: false }`
[INFO] [stderr]    Compiling discorec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/discorec-3c64b4033285e0d4)
[INFO] running `Command { std: "docker" "inspect" "a6ee12af8de9053281a8178f7a619986c42dd8266d3ba975b0798c0de83fb24a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ee12af8de9053281a8178f7a619986c42dd8266d3ba975b0798c0de83fb24a", kill_on_drop: false }`
[INFO] [stdout] a6ee12af8de9053281a8178f7a619986c42dd8266d3ba975b0798c0de83fb24a
[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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a8d04c508d7a2d2ffd93a36aef0670c5f82391e7e5ee4adc6ccc66e47f0e4170
[INFO] running `Command { std: "docker" "start" "-a" "a8d04c508d7a2d2ffd93a36aef0670c5f82391e7e5ee4adc6ccc66e47f0e4170", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/discorec-3c64b4033285e0d4)
[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 0.03s
[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" "a8d04c508d7a2d2ffd93a36aef0670c5f82391e7e5ee4adc6ccc66e47f0e4170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8d04c508d7a2d2ffd93a36aef0670c5f82391e7e5ee4adc6ccc66e47f0e4170", kill_on_drop: false }`
[INFO] [stdout] a8d04c508d7a2d2ffd93a36aef0670c5f82391e7e5ee4adc6ccc66e47f0e4170