[INFO] fetching crate nias 0.7.0...
[INFO] testing nias-0.7.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate nias 0.7.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nias 0.7.0 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 nias 0.7.0
[INFO] finished tweaking crates.io crate nias 0.7.0
[INFO] tweaked toml for crates.io crate nias 0.7.0 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] 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 fsio v0.1.3
[INFO] [stderr]   Downloaded nias v0.5.0
[INFO] [stderr]   Downloaded rusty-hook v0.11.2
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] [stderr]   Downloaded ci_info v0.10.2
[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] ce27016d4908e0fb6ebbd485b15b3378918423e71c34f2c122d2dea7e94a7dd7
[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" "ce27016d4908e0fb6ebbd485b15b3378918423e71c34f2c122d2dea7e94a7dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce27016d4908e0fb6ebbd485b15b3378918423e71c34f2c122d2dea7e94a7dd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce27016d4908e0fb6ebbd485b15b3378918423e71c34f2c122d2dea7e94a7dd7", kill_on_drop: false }`
[INFO] [stdout] ce27016d4908e0fb6ebbd485b15b3378918423e71c34f2c122d2dea7e94a7dd7
[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] 77cc1e5e237c99d2100651e8d7a4148aeb9c93ee29eca28dc46443d0d7c0e1f0
[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" "77cc1e5e237c99d2100651e8d7a4148aeb9c93ee29eca28dc46443d0d7c0e1f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling nias v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "77cc1e5e237c99d2100651e8d7a4148aeb9c93ee29eca28dc46443d0d7c0e1f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77cc1e5e237c99d2100651e8d7a4148aeb9c93ee29eca28dc46443d0d7c0e1f0", kill_on_drop: false }`
[INFO] [stdout] 77cc1e5e237c99d2100651e8d7a4148aeb9c93ee29eca28dc46443d0d7c0e1f0
[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] 6438f5d1384d5d8ab2e6fb13cd0b785a8ceba0abd4be3f7f58dbf61f78d5ca33
[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" "6438f5d1384d5d8ab2e6fb13cd0b785a8ceba0abd4be3f7f58dbf61f78d5ca33", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling envmnt v0.8.4
[INFO] [stderr]    Compiling ci_info v0.10.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]    Compiling nias v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/command_test.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/file_io_test.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/file_io_test.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/file_io_test.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/file_io_test.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/log_test.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.78s
[INFO] running `Command { std: "docker" "inspect" "6438f5d1384d5d8ab2e6fb13cd0b785a8ceba0abd4be3f7f58dbf61f78d5ca33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6438f5d1384d5d8ab2e6fb13cd0b785a8ceba0abd4be3f7f58dbf61f78d5ca33", kill_on_drop: false }`
[INFO] [stdout] 6438f5d1384d5d8ab2e6fb13cd0b785a8ceba0abd4be3f7f58dbf61f78d5ca33
[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] 7d54bf5670b4e20cff86c526fbb5fee9f03849b7f1d61b095adf693fd82f111d
[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" "7d54bf5670b4e20cff86c526fbb5fee9f03849b7f1d61b095adf693fd82f111d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/command_test.rs:35:10
[INFO] [stderr]    |
[INFO] [stderr] 35 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/file_io_test.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/file_io_test.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/file_io_test.rs:39:10
[INFO] [stderr]    |
[INFO] [stderr] 39 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/file_io_test.rs:53:10
[INFO] [stderr]    |
[INFO] [stderr] 53 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/log_test.rs:46:10
[INFO] [stderr]    |
[INFO] [stderr] 46 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `nias` (lib test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nias-f9e7a3fb4004519b)
[INFO] [stdout] test command::command_tests::handle_command_output_tests::should_return_err_with_stdout_stderr_mix_on_command_failure ... ok
[INFO] [stdout] test command::command_tests::handle_command_output_tests::should_return_ok_with_stdout_on_command_success ... ok
[INFO] [stdout] test command::command_tests::handle_streamed_command_tests::should_return_ok_on_command_success ... ok
[INFO] [stdout] test file_io::file_io_tests::get_file_existence_checker_tests::returns_correct_closure ... ok
[INFO] [stdout] test command::command_tests::handle_streamed_command_tests::should_return_err_on_command_failure ... ok
[INFO] [stdout] test file_io::file_io_tests::get_file_reader_tests::returns_correct_closure ... ok
[INFO] [stdout] test file_io::file_io_tests::get_file_remover_tests::returns_correct_closure ... ok
[INFO] [stdout] test log::log_tests::get_conditional_logger_tests::returns_correct_closure ... ok
[INFO] [stdout] test file_io::file_io_tests::get_file_writer_tests::returns_correct_closure ... ok
[INFO] [stdout] test command::command_tests::get_command_runner_tests::returns_correct_closure ... ok
[INFO] [stdout] test log::log_tests::log_conditionally_tests::writes_to_buffer_when_should_log_true ... ok
[INFO] [stdout] test log::log_tests::log_conditionally_tests::does_not_write_to_buffer_when_should_log_false ... ok
[INFO] [stdout] test log::log_tests::log_tests::writes_to_buffer ... ok
[INFO] [stdout] test command::command_tests::handle_command_output_tests::should_panic_on_command_error - should panic ... ok
[INFO] [stdout] test command::command_tests::handle_streamed_command_tests::should_panic_on_command_error - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nias
[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" "7d54bf5670b4e20cff86c526fbb5fee9f03849b7f1d61b095adf693fd82f111d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d54bf5670b4e20cff86c526fbb5fee9f03849b7f1d61b095adf693fd82f111d", kill_on_drop: false }`
[INFO] [stdout] 7d54bf5670b4e20cff86c526fbb5fee9f03849b7f1d61b095adf693fd82f111d