[INFO] fetching crate solink-tracing-flat-json 1.0.1...
[INFO] testing solink-tracing-flat-json-1.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate solink-tracing-flat-json 1.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate solink-tracing-flat-json 1.0.1
[INFO] finished tweaking crates.io crate solink-tracing-flat-json 1.0.1
[INFO] tweaked toml for crates.io crate solink-tracing-flat-json 1.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate solink-tracing-flat-json 1.0.1 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 solink-tracing-flat-json 1.0.1 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 85981b59ed4b7fae5823b947baa85b0301dc2e018da4970c49842459bc6dc8a1
[INFO] running `Command { std: "docker" "start" "-a" "85981b59ed4b7fae5823b947baa85b0301dc2e018da4970c49842459bc6dc8a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85981b59ed4b7fae5823b947baa85b0301dc2e018da4970c49842459bc6dc8a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85981b59ed4b7fae5823b947baa85b0301dc2e018da4970c49842459bc6dc8a1", kill_on_drop: false }`
[INFO] [stdout] 85981b59ed4b7fae5823b947baa85b0301dc2e018da4970c49842459bc6dc8a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7d111bccccab9660872308637f70866bb47a0d98e3b38686f992e1dee628d535
[INFO] running `Command { std: "docker" "start" "-a" "7d111bccccab9660872308637f70866bb47a0d98e3b38686f992e1dee628d535", kill_on_drop: false }`
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling tracing-serde v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling tracing-appender v0.2.4
[INFO] [stderr]    Compiling solink-tracing-flat-json v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "7d111bccccab9660872308637f70866bb47a0d98e3b38686f992e1dee628d535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d111bccccab9660872308637f70866bb47a0d98e3b38686f992e1dee628d535", kill_on_drop: false }`
[INFO] [stdout] 7d111bccccab9660872308637f70866bb47a0d98e3b38686f992e1dee628d535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4c0a0c6a9bc039612b74e1d8b513e4ced63f90542544429d00e0be0ee3258985
[INFO] running `Command { std: "docker" "start" "-a" "4c0a0c6a9bc039612b74e1d8b513e4ced63f90542544429d00e0be0ee3258985", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.51.1
[INFO] [stderr]    Compiling solink-tracing-flat-json v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "4c0a0c6a9bc039612b74e1d8b513e4ced63f90542544429d00e0be0ee3258985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c0a0c6a9bc039612b74e1d8b513e4ced63f90542544429d00e0be0ee3258985", kill_on_drop: false }`
[INFO] [stdout] 4c0a0c6a9bc039612b74e1d8b513e4ced63f90542544429d00e0be0ee3258985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4cb80d403eeff7a98c53237f88797a3e130fcb3dac1c528209829e1e6a22941e
[INFO] running `Command { std: "docker" "start" "-a" "4cb80d403eeff7a98c53237f88797a3e130fcb3dac1c528209829e1e6a22941e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/solink_tracing_flat_json-cd4e5f1ad98aecfe)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::should_write_a_log ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests solink_tracing_flat_json
[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" "4cb80d403eeff7a98c53237f88797a3e130fcb3dac1c528209829e1e6a22941e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb80d403eeff7a98c53237f88797a3e130fcb3dac1c528209829e1e6a22941e", kill_on_drop: false }`
[INFO] [stdout] 4cb80d403eeff7a98c53237f88797a3e130fcb3dac1c528209829e1e6a22941e
