[INFO] fetching crate libmf 0.1.1...
[INFO] testing libmf-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate libmf 0.1.1 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate libmf 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libmf 0.1.1
[INFO] finished tweaking crates.io crate libmf 0.1.1
[INFO] tweaked toml for crates.io crate libmf 0.1.1 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31ebf7596f7635ecd9c6820972708ee64bea4ad258d9c64475933eaf522ac389
[INFO] running `Command { std: "docker" "start" "-a" "31ebf7596f7635ecd9c6820972708ee64bea4ad258d9c64475933eaf522ac389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31ebf7596f7635ecd9c6820972708ee64bea4ad258d9c64475933eaf522ac389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ebf7596f7635ecd9c6820972708ee64bea4ad258d9c64475933eaf522ac389", kill_on_drop: false }`
[INFO] [stdout] 31ebf7596f7635ecd9c6820972708ee64bea4ad258d9c64475933eaf522ac389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4291740992da19ac3bd839c5f29fe691e314f0d9268e7c51d78c83461995484f
[INFO] running `Command { std: "docker" "start" "-a" "4291740992da19ac3bd839c5f29fe691e314f0d9268e7c51d78c83461995484f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "4291740992da19ac3bd839c5f29fe691e314f0d9268e7c51d78c83461995484f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4291740992da19ac3bd839c5f29fe691e314f0d9268e7c51d78c83461995484f", kill_on_drop: false }`
[INFO] [stdout] 4291740992da19ac3bd839c5f29fe691e314f0d9268e7c51d78c83461995484f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 959568fc87ba491c10dcca0d902a135b6db64590a8b6db281abb1a1b9fe1f857
[INFO] running `Command { std: "docker" "start" "-a" "959568fc87ba491c10dcca0d902a135b6db64590a8b6db281abb1a1b9fe1f857", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "959568fc87ba491c10dcca0d902a135b6db64590a8b6db281abb1a1b9fe1f857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959568fc87ba491c10dcca0d902a135b6db64590a8b6db281abb1a1b9fe1f857", kill_on_drop: false }`
[INFO] [stdout] 959568fc87ba491c10dcca0d902a135b6db64590a8b6db281abb1a1b9fe1f857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c061820eaa8a0f143ecec27d499041c3d10b073b2e2eb011ac2c57b7d54d11bb
[INFO] running `Command { std: "docker" "start" "-a" "c061820eaa8a0f143ecec27d499041c3d10b073b2e2eb011ac2c57b7d54d11bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libmf-f42cae67e29d6646)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test matrix::tests::test_new ... ok
[INFO] [stdout] test matrix::tests::test_with_capacity ... ok
[INFO] [stdout] test model::tests::test_not_fit ... ok
[INFO] [stdout] test model::tests::test_predict_not_fit - should panic ... ok
[INFO] [stdout] test model::tests::test_save_not_fit - should panic ... ok
[INFO] [stdout] test model::tests::test_fit ... ok
[INFO] [stdout] test model::tests::test_save_load ... ok
[INFO] [stdout] test model::tests::test_metrics ... ok
[INFO] [stdout] test model::tests::test_fit_eval ... ok
[INFO] [stdout] test model::tests::test_predict_out_of_range ... ok
[INFO] [stderr]    Doc-tests libmf
[INFO] [stdout] test model::tests::test_cv ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.12s
[INFO] [stdout] 
[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" "c061820eaa8a0f143ecec27d499041c3d10b073b2e2eb011ac2c57b7d54d11bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c061820eaa8a0f143ecec27d499041c3d10b073b2e2eb011ac2c57b7d54d11bb", kill_on_drop: false }`
[INFO] [stdout] c061820eaa8a0f143ecec27d499041c3d10b073b2e2eb011ac2c57b7d54d11bb
