[INFO] fetching crate logforth-layout-json 0.2.1...
[INFO] testing logforth-layout-json-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate logforth-layout-json 0.2.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate logforth-layout-json 0.2.1
[INFO] finished tweaking crates.io crate logforth-layout-json 0.2.1
[INFO] tweaked toml for crates.io crate logforth-layout-json 0.2.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate logforth-layout-json 0.2.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate logforth-layout-json 0.2.1 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7733692ff9bd6e8d00bcaca89926c5aadc6ee288265998d3ab006a8b8e65bb5
[INFO] running `Command { std: "docker" "start" "-a" "b7733692ff9bd6e8d00bcaca89926c5aadc6ee288265998d3ab006a8b8e65bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7733692ff9bd6e8d00bcaca89926c5aadc6ee288265998d3ab006a8b8e65bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7733692ff9bd6e8d00bcaca89926c5aadc6ee288265998d3ab006a8b8e65bb5", kill_on_drop: false }`
[INFO] [stdout] b7733692ff9bd6e8d00bcaca89926c5aadc6ee288265998d3ab006a8b8e65bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 979f5c2b5c615b7ebe70bb5306b8d37695d8e05a3c580026045d68f5da3d3bf6
[INFO] running `Command { std: "docker" "start" "-a" "979f5c2b5c615b7ebe70bb5306b8d37695d8e05a3c580026045d68f5da3d3bf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde_core v1.0.227
[INFO] [stderr]    Compiling serde v1.0.227
[INFO] [stderr]    Compiling sval v2.14.1
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling erased-serde v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling sval_ref v2.14.1
[INFO] [stderr]    Compiling sval_fmt v2.14.1
[INFO] [stderr]    Compiling sval_dynamic v2.14.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling sval_buffer v2.14.1
[INFO] [stderr]    Compiling sval_nested v2.14.1
[INFO] [stderr]    Compiling serde_derive v1.0.227
[INFO] [stderr]    Compiling serde_fmt v1.0.3
[INFO] [stderr]    Compiling serde_buf v0.1.1
[INFO] [stderr]    Compiling sval_serde v2.14.1
[INFO] [stderr]    Compiling value-bag-sval2 v1.11.1
[INFO] [stderr]    Compiling value-bag-serde1 v1.11.1
[INFO] [stderr]    Compiling value-bag v1.11.1
[INFO] [stderr]    Compiling logforth-core v0.2.1
[INFO] [stderr]    Compiling logforth-layout-json v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.92s
[INFO] running `Command { std: "docker" "inspect" "979f5c2b5c615b7ebe70bb5306b8d37695d8e05a3c580026045d68f5da3d3bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979f5c2b5c615b7ebe70bb5306b8d37695d8e05a3c580026045d68f5da3d3bf6", kill_on_drop: false }`
[INFO] [stdout] 979f5c2b5c615b7ebe70bb5306b8d37695d8e05a3c580026045d68f5da3d3bf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 684ec29e044153643ad3510e51d32503232679564d5988c15577bf252fc3baae
[INFO] running `Command { std: "docker" "start" "-a" "684ec29e044153643ad3510e51d32503232679564d5988c15577bf252fc3baae", kill_on_drop: false }`
[INFO] [stderr]    Compiling logforth-layout-json v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "684ec29e044153643ad3510e51d32503232679564d5988c15577bf252fc3baae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684ec29e044153643ad3510e51d32503232679564d5988c15577bf252fc3baae", kill_on_drop: false }`
[INFO] [stdout] 684ec29e044153643ad3510e51d32503232679564d5988c15577bf252fc3baae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 33bd277f2f99f72cebff4e933c4e7cdc4b5addca467896e7b312ec4c7e891446
[INFO] running `Command { std: "docker" "start" "-a" "33bd277f2f99f72cebff4e933c4e7cdc4b5addca467896e7b312ec4c7e891446", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/logforth_layout_json-1cea47b5eb47c684)
[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 logforth_layout_json
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - JsonLayout::timezone (line 61) ... ok
[INFO] [stdout] test src/lib.rs - JsonLayout (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.48s; merged doctests compilation took 0.46s
[INFO] running `Command { std: "docker" "inspect" "33bd277f2f99f72cebff4e933c4e7cdc4b5addca467896e7b312ec4c7e891446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33bd277f2f99f72cebff4e933c4e7cdc4b5addca467896e7b312ec4c7e891446", kill_on_drop: false }`
[INFO] [stdout] 33bd277f2f99f72cebff4e933c4e7cdc4b5addca467896e7b312ec4c7e891446