[INFO] fetching crate uu_head 0.0.6...
[INFO] testing uu_head-0.0.6 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate uu_head 0.0.6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate uu_head 0.0.6 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_head 0.0.6
[INFO] finished tweaking crates.io crate uu_head 0.0.6
[INFO] tweaked toml for crates.io crate uu_head 0.0.6 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate uu_head 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df47ad0780133c33fcb6de03bbf03fb53fe2986cefce9d02ee01679b437529c2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "df47ad0780133c33fcb6de03bbf03fb53fe2986cefce9d02ee01679b437529c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df47ad0780133c33fcb6de03bbf03fb53fe2986cefce9d02ee01679b437529c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df47ad0780133c33fcb6de03bbf03fb53fe2986cefce9d02ee01679b437529c2", kill_on_drop: false }`
[INFO] [stdout] df47ad0780133c33fcb6de03bbf03fb53fe2986cefce9d02ee01679b437529c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e73f775cbdc1a7f7233ffae35f32ad03d0d6c768b0809f2e37f4cef10b77cbcc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e73f775cbdc1a7f7233ffae35f32ad03d0d6c768b0809f2e37f4cef10b77cbcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling uucore v0.0.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling uu_head v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.32s
[INFO] running `Command { std: "docker" "inspect" "e73f775cbdc1a7f7233ffae35f32ad03d0d6c768b0809f2e37f4cef10b77cbcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73f775cbdc1a7f7233ffae35f32ad03d0d6c768b0809f2e37f4cef10b77cbcc", kill_on_drop: false }`
[INFO] [stdout] e73f775cbdc1a7f7233ffae35f32ad03d0d6c768b0809f2e37f4cef10b77cbcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 328afebdaced4d453dea1fe10b863daa13c54b1e3a098d158f3d8222fbf54a15
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "328afebdaced4d453dea1fe10b863daa13c54b1e3a098d158f3d8222fbf54a15", kill_on_drop: false }`
[INFO] [stderr]    Compiling uu_head v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "328afebdaced4d453dea1fe10b863daa13c54b1e3a098d158f3d8222fbf54a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "328afebdaced4d453dea1fe10b863daa13c54b1e3a098d158f3d8222fbf54a15", kill_on_drop: false }`
[INFO] [stdout] 328afebdaced4d453dea1fe10b863daa13c54b1e3a098d158f3d8222fbf54a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06d3b19f72f2e4e397ba5258a998b446b1419afab3193ae4796268a2eea6bd33
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06d3b19f72f2e4e397ba5258a998b446b1419afab3193ae4796268a2eea6bd33", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/uu_head-4c046373669da111)
[INFO] [stdout] running 15 tests
[INFO] [stdout] test parse::tests::test_parse_numbers_obsolete ... ok
[INFO] [stdout] test tests::test_parse_mode ... ok
[INFO] [stdout] test parse::tests::test_parse_obsolete_nomatch ... ok
[INFO] [stdout] test tests::test_options_errors ... ok
[INFO] [stdout] test tests::test_options_correct_defaults ... ok
[INFO] [stdout] test parse::tests::test_parse_errors_obsolete ... ok
[INFO] [stdout] test tests::rbuf_early_exit ... ok
[INFO] [stdout] test parse::tests::test_parse_numbers ... ok
[INFO] [stdout] test parse::tests::test_parse_obsolete_overflow_x64 ... ok
[INFO] [stdout] test parse::tests::test_parse_overflow_x64 ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/head-ad62a48f5e0d935f)
[INFO] [stdout] test parse::tests::test_parse_bad_syntax ... ok
[INFO] [stdout] test tests::test_gnu_compatibility ... ok
[INFO] [stdout] test tests::test_args_modes ... ok
[INFO] [stdout] test tests::test_arg_iterate ... ok
[INFO] [stdout] test tests::all_args_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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] [stderr]    Doc-tests uu_head
[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" "06d3b19f72f2e4e397ba5258a998b446b1419afab3193ae4796268a2eea6bd33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d3b19f72f2e4e397ba5258a998b446b1419afab3193ae4796268a2eea6bd33", kill_on_drop: false }`
[INFO] [stdout] 06d3b19f72f2e4e397ba5258a998b446b1419afab3193ae4796268a2eea6bd33