[INFO] cloning repository https://github.com/ryanseipp/fern
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ryanseipp/fern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanseipp%2Ffern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanseipp%2Ffern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1703e4f7b53cc8ff1e2e3b1d04cc7954fd379a32
[INFO] testing ryanseipp/fern against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryanseipp%2Ffern" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ryanseipp/fern
[INFO] finished tweaking git repo https://github.com/ryanseipp/fern
[INFO] tweaked toml for git repo https://github.com/ryanseipp/fern written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ryanseipp/fern on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ryanseipp/fern 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fedc14e5909228050314b89f497a45b05e7027c00fda2e8e8accae70ccc7e8f7
[INFO] running `Command { std: "docker" "start" "-a" "fedc14e5909228050314b89f497a45b05e7027c00fda2e8e8accae70ccc7e8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fedc14e5909228050314b89f497a45b05e7027c00fda2e8e8accae70ccc7e8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fedc14e5909228050314b89f497a45b05e7027c00fda2e8e8accae70ccc7e8f7", kill_on_drop: false }`
[INFO] [stdout] fedc14e5909228050314b89f497a45b05e7027c00fda2e8e8accae70ccc7e8f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a10f0a411824a795af4998af9ec6453df9352138b999b768cbffd5c6dba4913d
[INFO] running `Command { std: "docker" "start" "-a" "a10f0a411824a795af4998af9ec6453df9352138b999b768cbffd5c6dba4913d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.2
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling condtype v1.3.0
[INFO] [stderr]    Compiling regex-lite v0.1.6
[INFO] [stderr]    Compiling fern-test v0.1.0 (/opt/rustwide/workdir/fern-test)
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling divan-macros v0.1.18
[INFO] [stderr]    Compiling terminal_size v0.4.2
[INFO] [stderr]    Compiling clap_builder v4.5.32
[INFO] [stderr]    Compiling clap v4.5.32
[INFO] [stderr]    Compiling divan v0.1.18
[INFO] [stderr]    Compiling fern-uring v0.1.0 (/opt/rustwide/workdir/fern-uring)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.85s
[INFO] running `Command { std: "docker" "inspect" "a10f0a411824a795af4998af9ec6453df9352138b999b768cbffd5c6dba4913d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10f0a411824a795af4998af9ec6453df9352138b999b768cbffd5c6dba4913d", kill_on_drop: false }`
[INFO] [stdout] a10f0a411824a795af4998af9ec6453df9352138b999b768cbffd5c6dba4913d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe26242fd26890f48c8a48505f0be0ce5f1e18bd29769819ae9bd1e571008b37
[INFO] running `Command { std: "docker" "start" "-a" "fe26242fd26890f48c8a48505f0be0ce5f1e18bd29769819ae9bd1e571008b37", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling fern-test v0.1.0 (/opt/rustwide/workdir/fern-test)
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling generator v0.8.4
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling loom v0.7.2
[INFO] [stderr]    Compiling fern-uring v0.1.0 (/opt/rustwide/workdir/fern-uring)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.23s
[INFO] running `Command { std: "docker" "inspect" "fe26242fd26890f48c8a48505f0be0ce5f1e18bd29769819ae9bd1e571008b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe26242fd26890f48c8a48505f0be0ce5f1e18bd29769819ae9bd1e571008b37", kill_on_drop: false }`
[INFO] [stdout] fe26242fd26890f48c8a48505f0be0ce5f1e18bd29769819ae9bd1e571008b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6cb1295ac7b554a51402274561ce75686acc827f329daf348b39810805ac4c7
[INFO] running `Command { std: "docker" "start" "-a" "a6cb1295ac7b554a51402274561ce75686acc827f329daf348b39810805ac4c7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fern_test-f32806b8f2f93fc6)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fern_test-25164e9e8ea99725)
[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]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fern_uring-f28ecb09203aa0f6)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test params::test::creates_default_parameters ... ok
[INFO] [stdout] test params::test::sets_attached_work_queue ... ok
[INFO] [stdout] test params::test::sets_cq_size ... ok
[INFO] [stdout] test params::test::sets_appropriate_flags ... ok
[INFO] [stdout] test params::test::sets_sq_affinity ... ok
[INFO] [stdout] test params::test::sets_sq_poll_without_cpu ... ok
[INFO] [stdout] test params::test::sets_sq_size ... ok
[INFO] [stdout] test params::test::sets_sq_poll_with_cpu ... ok
[INFO] [stdout] test params::test::sets_sq_size_to_next_power_of_two ... ok
[INFO] [stdout] test ring_buffer::consumer::test::committing_entries_out_of_order_returns_error ... ok
[INFO] [stderr] memory allocation of 17179869184 bytes failed
[INFO] [stdout] test ring_buffer::consumer::test::new_big_returns_err_when_entries_not_power_of_two ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test ring_buffer::consumer::test::does_not_commit_head_until_entry_is_returned ... ok
[INFO] [stdout] test ring_buffer::consumer::test::new_big_size_returns_half_entries_len ... ok
[INFO] [stderr] memory allocation of 17179869184 bytes failed
[INFO] [stderr] skipping backtrace printing to avoid potential recursion
[INFO] [stdout] test params::test::nicely_chained_function_calls_compiles ... ok
[INFO] [stdout] test ring_buffer::consumer::test::new_returns_err_when_entries_not_power_of_two ... ok
[INFO] [stdout] test ring_buffer::consumer::test::new_returns_invalid_mask_value ... ok
[INFO] [stdout] test ring_buffer::consumer::test::new_size_returns_entries_len ... ok
[INFO] [stdout] test ring_buffer::consumer::test::new_big_returns_invalid_mask_value ... ok
[INFO] [stderr] error: test failed, to rerun pass `-p fern-uring --lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/fern_uring-f28ecb09203aa0f6` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "a6cb1295ac7b554a51402274561ce75686acc827f329daf348b39810805ac4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6cb1295ac7b554a51402274561ce75686acc827f329daf348b39810805ac4c7", kill_on_drop: false }`
[INFO] [stdout] a6cb1295ac7b554a51402274561ce75686acc827f329daf348b39810805ac4c7
