[INFO] fetching crate nil-log 0.4.22...
[INFO] testing nil-log-0.4.22 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate nil-log 0.4.22 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nil-log 0.4.22
[INFO] finished tweaking crates.io crate nil-log 0.4.22
[INFO] tweaked toml for crates.io crate nil-log 0.4.22 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nil-log 0.4.22 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nil-log 0.4.22 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea8e8586ba1f6018078e549a51eb594dba73171825537d10dd15dfd93165b626
[INFO] running `Command { std: "docker" "start" "-a" "ea8e8586ba1f6018078e549a51eb594dba73171825537d10dd15dfd93165b626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea8e8586ba1f6018078e549a51eb594dba73171825537d10dd15dfd93165b626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8e8586ba1f6018078e549a51eb594dba73171825537d10dd15dfd93165b626", kill_on_drop: false }`
[INFO] [stdout] ea8e8586ba1f6018078e549a51eb594dba73171825537d10dd15dfd93165b626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78aaf6eec18bb5c9bc4a8009103a9b7c57687a144849c992f5312c6c3f7fa0b0
[INFO] running `Command { std: "docker" "start" "-a" "78aaf6eec18bb5c9bc4a8009103a9b7c57687a144849c992f5312c6c3f7fa0b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling jiff v0.2.23
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling darling_macro v0.23.0
[INFO] [stderr]    Compiling darling v0.23.0
[INFO] [stderr]    Compiling bon-macros v3.9.1
[INFO] [stderr]    Compiling tracing-appender v0.2.4
[INFO] [stderr]    Compiling bon v3.9.1
[INFO] [stderr]    Compiling nil-log v0.4.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.29s
[INFO] running `Command { std: "docker" "inspect" "78aaf6eec18bb5c9bc4a8009103a9b7c57687a144849c992f5312c6c3f7fa0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78aaf6eec18bb5c9bc4a8009103a9b7c57687a144849c992f5312c6c3f7fa0b0", kill_on_drop: false }`
[INFO] [stdout] 78aaf6eec18bb5c9bc4a8009103a9b7c57687a144849c992f5312c6c3f7fa0b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccb45e7cf9df252ecab8eb9755ea2865d5b9c3c7bd2667f72219799dc60586b6
[INFO] running `Command { std: "docker" "start" "-a" "ccb45e7cf9df252ecab8eb9755ea2865d5b9c3c7bd2667f72219799dc60586b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling nil-log v0.4.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "ccb45e7cf9df252ecab8eb9755ea2865d5b9c3c7bd2667f72219799dc60586b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb45e7cf9df252ecab8eb9755ea2865d5b9c3c7bd2667f72219799dc60586b6", kill_on_drop: false }`
[INFO] [stdout] ccb45e7cf9df252ecab8eb9755ea2865d5b9c3c7bd2667f72219799dc60586b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4b6d003020a55a760090bedba45dba5cb20ae0185a319bebf95f7d548c17d8b
[INFO] running `Command { std: "docker" "start" "-a" "b4b6d003020a55a760090bedba45dba5cb20ae0185a319bebf95f7d548c17d8b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nil_log-575be51879c854a6)
[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 nil_log
[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" "b4b6d003020a55a760090bedba45dba5cb20ae0185a319bebf95f7d548c17d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b6d003020a55a760090bedba45dba5cb20ae0185a319bebf95f7d548c17d8b", kill_on_drop: false }`
[INFO] [stdout] b4b6d003020a55a760090bedba45dba5cb20ae0185a319bebf95f7d548c17d8b