[INFO] cloning repository https://github.com/ankane/libffm-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ankane/libffm-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankane%2Flibffm-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankane%2Flibffm-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38a056e44b49ade1ba893804086ce657a852cb62
[INFO] testing ankane/libffm-rust against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fankane%2Flibffm-rust" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ankane/libffm-rust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ankane/libffm-rust
[INFO] finished tweaking git repo https://github.com/ankane/libffm-rust
[INFO] tweaked toml for git repo https://github.com/ankane/libffm-rust written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/ankane/libffm-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf255598055846b4fb7ebbd06f79b688429ce0fb4cf898815c81f22a25d659f4
[INFO] running `Command { std: "docker" "start" "-a" "bf255598055846b4fb7ebbd06f79b688429ce0fb4cf898815c81f22a25d659f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf255598055846b4fb7ebbd06f79b688429ce0fb4cf898815c81f22a25d659f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf255598055846b4fb7ebbd06f79b688429ce0fb4cf898815c81f22a25d659f4", kill_on_drop: false }`
[INFO] [stdout] bf255598055846b4fb7ebbd06f79b688429ce0fb4cf898815c81f22a25d659f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeff0e07309b62a430d490708726495b2be1189d84103d44c52007cba3a28ed2
[INFO] running `Command { std: "docker" "start" "-a" "aeff0e07309b62a430d490708726495b2be1189d84103d44c52007cba3a28ed2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling libffm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.87s
[INFO] running `Command { std: "docker" "inspect" "aeff0e07309b62a430d490708726495b2be1189d84103d44c52007cba3a28ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeff0e07309b62a430d490708726495b2be1189d84103d44c52007cba3a28ed2", kill_on_drop: false }`
[INFO] [stdout] aeff0e07309b62a430d490708726495b2be1189d84103d44c52007cba3a28ed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05a06de8bd81720cbc39657d0d1726bbf1d356cd084381324bab980f164b5059
[INFO] running `Command { std: "docker" "start" "-a" "05a06de8bd81720cbc39657d0d1726bbf1d356cd084381324bab980f164b5059", kill_on_drop: false }`
[INFO] [stderr]    Compiling libffm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "05a06de8bd81720cbc39657d0d1726bbf1d356cd084381324bab980f164b5059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a06de8bd81720cbc39657d0d1726bbf1d356cd084381324bab980f164b5059", kill_on_drop: false }`
[INFO] [stdout] 05a06de8bd81720cbc39657d0d1726bbf1d356cd084381324bab980f164b5059
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3c3380b4807c13ffd08d967c24c07ea553fbcfadbe6186e82fefa81c01c9bc7
[INFO] running `Command { std: "docker" "start" "-a" "c3c3380b4807c13ffd08d967c24c07ea553fbcfadbe6186e82fefa81c01c9bc7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libffm-cf6756d29341b5a7)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test_missing_train ... ok
[INFO] [stdout] test tests::test_empty_line ... ok
[INFO] [stdout] test tests::test_missing_train_eval ... ok
[INFO] [stdout] test tests::test_empty ... ok
[INFO] [stdout] test tests::test_parse_line ... ok
[INFO] [stdout] test tests::test_parse_node ... ok
[INFO] [stdout] test tests::test_missing_predict ... ok
[INFO] [stdout] test tests::test_str ... ok
[INFO] [stdout] test tests::test_pathbuf ... ok
[INFO] [stdout] test tests::test_too_few_tokens ... ok
[INFO] [stdout] test tests::test_string ... ok
[INFO] [stdout] test tests::test_too_many_tokens ... ok
[INFO] [stdout] test tests::test_train_eval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libffm
[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" "c3c3380b4807c13ffd08d967c24c07ea553fbcfadbe6186e82fefa81c01c9bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c3380b4807c13ffd08d967c24c07ea553fbcfadbe6186e82fefa81c01c9bc7", kill_on_drop: false }`
[INFO] [stdout] c3c3380b4807c13ffd08d967c24c07ea553fbcfadbe6186e82fefa81c01c9bc7