[INFO] cloning repository https://github.com/brynblack/racklight
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brynblack/racklight" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrynblack%2Fracklight", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrynblack%2Fracklight'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 843e38993bd55fcf18633d7b551df3e87da6678f
[INFO] testing brynblack/racklight against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrynblack%2Fracklight" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brynblack/racklight on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brynblack/racklight
[INFO] finished tweaking git repo https://github.com/brynblack/racklight
[INFO] tweaked toml for git repo https://github.com/brynblack/racklight written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/brynblack/racklight already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a90cbc52356ec7b530c0054721179fa8f1525152590f9456d56b14acb59363a
[INFO] running `Command { std: "docker" "start" "-a" "1a90cbc52356ec7b530c0054721179fa8f1525152590f9456d56b14acb59363a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a90cbc52356ec7b530c0054721179fa8f1525152590f9456d56b14acb59363a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a90cbc52356ec7b530c0054721179fa8f1525152590f9456d56b14acb59363a", kill_on_drop: false }`
[INFO] [stdout] 1a90cbc52356ec7b530c0054721179fa8f1525152590f9456d56b14acb59363a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1db6b3697030a1c9c5e74dd4acff5b8b014cc98668cb83d2e0e83ef541037feb
[INFO] running `Command { std: "docker" "start" "-a" "1db6b3697030a1c9c5e74dd4acff5b8b014cc98668cb83d2e0e83ef541037feb", kill_on_drop: false }`
[INFO] [stderr]    Compiling racklight v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "1db6b3697030a1c9c5e74dd4acff5b8b014cc98668cb83d2e0e83ef541037feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db6b3697030a1c9c5e74dd4acff5b8b014cc98668cb83d2e0e83ef541037feb", kill_on_drop: false }`
[INFO] [stdout] 1db6b3697030a1c9c5e74dd4acff5b8b014cc98668cb83d2e0e83ef541037feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45bb5485957e9023704eae7968722910f7a057c7e3caf9e1524ebff6d0fdc0b2
[INFO] running `Command { std: "docker" "start" "-a" "45bb5485957e9023704eae7968722910f7a057c7e3caf9e1524ebff6d0fdc0b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling racklight v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "45bb5485957e9023704eae7968722910f7a057c7e3caf9e1524ebff6d0fdc0b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45bb5485957e9023704eae7968722910f7a057c7e3caf9e1524ebff6d0fdc0b2", kill_on_drop: false }`
[INFO] [stdout] 45bb5485957e9023704eae7968722910f7a057c7e3caf9e1524ebff6d0fdc0b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ed89cb0f9599d4152cf998f01d539e026ebfd99970159e14913d8f2f990395f
[INFO] running `Command { std: "docker" "start" "-a" "7ed89cb0f9599d4152cf998f01d539e026ebfd99970159e14913d8f2f990395f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/racklight-55fe1747bbc3bc35)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/racklight-19105c2ed9fc89b9)
[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] [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] [stderr]    Doc-tests racklight
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/backlight.rs - backlight::Backlight::set_brightness (line 102) ... FAILED
[INFO] [stdout] test src/backlight.rs - backlight::Backlight::new (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/backlight.rs - backlight::Backlight::set_brightness (line 102) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/backlight.rs:73:14:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x649e601cc9aa - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x649e601cc9aa - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x649e601cc9aa - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x649e601cc9aa - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x649e601e89b3 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x649e601e89b3 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x649e601ca583 - std::io::Write::write_fmt::hc00bff0a88e08857
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x649e601cc7f2 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x649e601cd7bc - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x649e601cd602 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:295:9
[INFO] [stdout]   10:     0x649e601cdd97 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:801:13
[INFO] [stdout]   11:     0x649e601cdc2a - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:674:13
[INFO] [stdout]   12:     0x649e601cce89 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   13:     0x649e601cd8bc - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   14:     0x649e601a6060 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   15:     0x649e601a63d6 - core::result::unwrap_failed::h05e0602ed34287c5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1699:5
[INFO] [stdout]   16:     0x649e601aca35 - core::result::Result<T,E>::unwrap::hadc4c5683afbf066
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/result.rs:1104:23
[INFO] [stdout]   17:     0x649e601aca35 - racklight::backlight::Backlight::get::h713e5b0b93ff675f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backlight.rs:72:9
[INFO] [stdout]   18:     0x649e601acf0f - racklight::backlight::Backlight::update::h9d3986f0e5de055b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backlight.rs:92:27
[INFO] [stdout]   19:     0x649e601acf64 - racklight::backlight::Backlight::set_brightness::h291c63f7733db7a2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/backlight.rs:110:9
[INFO] [stdout]   20:     0x649e601a6bee - rust_out::main::_doctest_main_src_backlight_rs_102_0::h2279afb0c03df8e4
[INFO] [stdout]   21:     0x649e601a6ba6 - rust_out::main::h57eefffa92e38ed0
[INFO] [stdout]   22:     0x649e601a6863 - core::ops::function::FnOnce::call_once::hcb3872443a25b5b7
[INFO] [stdout]   23:     0x649e601a67f6 - std::sys::backtrace::__rust_begin_short_backtrace::hb8f53f53663d2e9e
[INFO] [stdout]   24:     0x649e601a67c9 - std::rt::lang_start::{{closure}}::h0d6bdb8cb611c7e9
[INFO] [stdout]   25:     0x649e601c8217 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hba2470d01d3f5e41
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   26:     0x649e601c8217 - std::panicking::try::do_call::hc063fb73159aab72
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   27:     0x649e601c8217 - std::panicking::try::h2767c6d245d3a3bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   28:     0x649e601c8217 - std::panic::catch_unwind::h061c6ef75790da63
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   29:     0x649e601c8217 - std::rt::lang_start_internal::{{closure}}::h5c5e35b11a4b8c4e
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/rt.rs:174:48
[INFO] [stdout]   30:     0x649e601c8217 - std::panicking::try::do_call::h705e99690a8109cc
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   31:     0x649e601c8217 - std::panicking::try::he5f4452754ed9a34
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   32:     0x649e601c8217 - std::panic::catch_unwind::h5db61b3bcbe883e5
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   33:     0x649e601c8217 - std::rt::lang_start_internal::h81da9b59bab665c6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/rt.rs:174:20
[INFO] [stdout]   34:     0x649e601a67a7 - std::rt::lang_start::h2798034e47ddebf9
[INFO] [stdout]   35:     0x649e601a6c45 - main
[INFO] [stdout]   36:     0x72511b049d90 - <unknown>
[INFO] [stdout]   37:     0x72511b049e40 - __libc_start_main
[INFO] [stdout]   38:     0x649e601a6675 - _start
[INFO] [stdout]   39:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/backlight.rs - backlight::Backlight::set_brightness (line 102)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7ed89cb0f9599d4152cf998f01d539e026ebfd99970159e14913d8f2f990395f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed89cb0f9599d4152cf998f01d539e026ebfd99970159e14913d8f2f990395f", kill_on_drop: false }`
[INFO] [stdout] 7ed89cb0f9599d4152cf998f01d539e026ebfd99970159e14913d8f2f990395f
