[INFO] fetching crate discorec 0.1.1...
[INFO] testing discorec-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate discorec 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate discorec 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded sprs v0.11.0
[INFO] [stderr]   Downloaded rand_distr v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e1b0667a84c5861bb949f0703b6d7cdade4397ad1515a285cd7b20a4adb14b6
[INFO] running `Command { std: "docker" "start" "-a" "3e1b0667a84c5861bb949f0703b6d7cdade4397ad1515a285cd7b20a4adb14b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e1b0667a84c5861bb949f0703b6d7cdade4397ad1515a285cd7b20a4adb14b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e1b0667a84c5861bb949f0703b6d7cdade4397ad1515a285cd7b20a4adb14b6", kill_on_drop: false }`
[INFO] [stdout] 3e1b0667a84c5861bb949f0703b6d7cdade4397ad1515a285cd7b20a4adb14b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fcdca84c50a49c600d452b307b11d915cc9f95b9a889576e7ebb406114dc242
[INFO] running `Command { std: "docker" "start" "-a" "2fcdca84c50a49c600d452b307b11d915cc9f95b9a889576e7ebb406114dc242", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling ndarray v0.15.4
[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 9.03s
[INFO] running `Command { std: "docker" "inspect" "2fcdca84c50a49c600d452b307b11d915cc9f95b9a889576e7ebb406114dc242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fcdca84c50a49c600d452b307b11d915cc9f95b9a889576e7ebb406114dc242", kill_on_drop: false }`
[INFO] [stdout] 2fcdca84c50a49c600d452b307b11d915cc9f95b9a889576e7ebb406114dc242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6562c36461301d623e132c7660a41a2da6d4f9e48df11dc4c9e07a8dfb8b2b7a
[INFO] running `Command { std: "docker" "start" "-a" "6562c36461301d623e132c7660a41a2da6d4f9e48df11dc4c9e07a8dfb8b2b7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling discorec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "6562c36461301d623e132c7660a41a2da6d4f9e48df11dc4c9e07a8dfb8b2b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6562c36461301d623e132c7660a41a2da6d4f9e48df11dc4c9e07a8dfb8b2b7a", kill_on_drop: false }`
[INFO] [stdout] 6562c36461301d623e132c7660a41a2da6d4f9e48df11dc4c9e07a8dfb8b2b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51750278ae1b3b02ac476c0d52a1f8309872410906f669e343a1ac8880e22c25
[INFO] running `Command { std: "docker" "start" "-a" "51750278ae1b3b02ac476c0d52a1f8309872410906f669e343a1ac8880e22c25", 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-eb5c9303932a520b)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test dataset::tests::test_new ... ok
[INFO] [stdout] test dataset::tests::test_with_capacity ... 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 0.02s
[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" "51750278ae1b3b02ac476c0d52a1f8309872410906f669e343a1ac8880e22c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51750278ae1b3b02ac476c0d52a1f8309872410906f669e343a1ac8880e22c25", kill_on_drop: false }`
[INFO] [stdout] 51750278ae1b3b02ac476c0d52a1f8309872410906f669e343a1ac8880e22c25