[INFO] fetching crate libmf 0.1.1...
[INFO] testing libmf-0.1.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate libmf 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libmf 0.1.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3609b307c44b3428c4199364cb7a7b6a358405ca76e4ca85179843217af0a1b7
[INFO] running `Command { std: "docker" "start" "-a" "3609b307c44b3428c4199364cb7a7b6a358405ca76e4ca85179843217af0a1b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3609b307c44b3428c4199364cb7a7b6a358405ca76e4ca85179843217af0a1b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3609b307c44b3428c4199364cb7a7b6a358405ca76e4ca85179843217af0a1b7", kill_on_drop: false }`
[INFO] [stdout] 3609b307c44b3428c4199364cb7a7b6a358405ca76e4ca85179843217af0a1b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0d526dd2d8e8411ea6681b4a0a54f6fe56a3c5359ebbebbaa0c7160dc7b90d1
[INFO] running `Command { std: "docker" "start" "-a" "e0d526dd2d8e8411ea6681b4a0a54f6fe56a3c5359ebbebbaa0c7160dc7b90d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
[INFO] running `Command { std: "docker" "inspect" "e0d526dd2d8e8411ea6681b4a0a54f6fe56a3c5359ebbebbaa0c7160dc7b90d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d526dd2d8e8411ea6681b4a0a54f6fe56a3c5359ebbebbaa0c7160dc7b90d1", kill_on_drop: false }`
[INFO] [stdout] e0d526dd2d8e8411ea6681b4a0a54f6fe56a3c5359ebbebbaa0c7160dc7b90d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ebc0e4e347426b0898ff9c7bc6c3c47ae7a37a0e54248b0af4fa88fce7f097f
[INFO] running `Command { std: "docker" "start" "-a" "1ebc0e4e347426b0898ff9c7bc6c3c47ae7a37a0e54248b0af4fa88fce7f097f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmf v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "1ebc0e4e347426b0898ff9c7bc6c3c47ae7a37a0e54248b0af4fa88fce7f097f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ebc0e4e347426b0898ff9c7bc6c3c47ae7a37a0e54248b0af4fa88fce7f097f", kill_on_drop: false }`
[INFO] [stdout] 1ebc0e4e347426b0898ff9c7bc6c3c47ae7a37a0e54248b0af4fa88fce7f097f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aec36dc88e899341ae5a731fb421205783aabbaf4317f1238d6ce47a4683ff7f
[INFO] running `Command { std: "docker" "start" "-a" "aec36dc88e899341ae5a731fb421205783aabbaf4317f1238d6ce47a4683ff7f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libmf-669dbaa1973bc3ad)
[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_save_not_fit - should panic ... ok
[INFO] [stdout] test model::tests::test_predict_not_fit - should panic ... ok
[INFO] [stdout] test model::tests::test_fit_eval ... ok
[INFO] [stdout] test model::tests::test_metrics ... ok
[INFO] [stdout] test model::tests::test_predict_out_of_range ... ok
[INFO] [stdout] test model::tests::test_save_load ... ok
[INFO] [stdout] test model::tests::test_fit ... ok
[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 3.16s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libmf
[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" "aec36dc88e899341ae5a731fb421205783aabbaf4317f1238d6ce47a4683ff7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec36dc88e899341ae5a731fb421205783aabbaf4317f1238d6ce47a4683ff7f", kill_on_drop: false }`
[INFO] [stdout] aec36dc88e899341ae5a731fb421205783aabbaf4317f1238d6ce47a4683ff7f