[INFO] fetching crate kfl 0.4.0...
[INFO] building kfl-0.4.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate kfl 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate kfl 0.4.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kfl 0.4.0
[INFO] tweaked toml for crates.io crate kfl 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kfl 0.4.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kfl 0.4.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2024` has been stabilized in the 1.85 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43e889db3234ad90b8ee63ae6cf56053901ab88909fc2f3e1c662744c8811763
[INFO] running `Command { std: "docker" "start" "-a" "43e889db3234ad90b8ee63ae6cf56053901ab88909fc2f3e1c662744c8811763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43e889db3234ad90b8ee63ae6cf56053901ab88909fc2f3e1c662744c8811763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e889db3234ad90b8ee63ae6cf56053901ab88909fc2f3e1c662744c8811763", kill_on_drop: false }`
[INFO] [stdout] 43e889db3234ad90b8ee63ae6cf56053901ab88909fc2f3e1c662744c8811763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5f02338b6a0a148a7fd62ccc08db915e4ca03a143e3a20bd9881e77499f3366
[INFO] running `Command { std: "docker" "start" "-a" "a5f02338b6a0a148a7fd62ccc08db915e4ca03a143e3a20bd9881e77499f3366", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2024` has been stabilized in the 1.85 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling once_cell v1.20.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling chumsky v1.0.0-alpha.7
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling psm v0.1.23
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling miette-derive v7.2.0
[INFO] [stderr]    Compiling kfl-derive v0.1.0
[INFO] [stderr]    Compiling miette v7.2.0
[INFO] [stderr]    Compiling kfl v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.93s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: chumsky v1.0.0-alpha.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "a5f02338b6a0a148a7fd62ccc08db915e4ca03a143e3a20bd9881e77499f3366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f02338b6a0a148a7fd62ccc08db915e4ca03a143e3a20bd9881e77499f3366", kill_on_drop: false }`
[INFO] [stdout] a5f02338b6a0a148a7fd62ccc08db915e4ca03a143e3a20bd9881e77499f3366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86a2dd0977b4975dfe4e28a4b6fd6e652f41349c94e4451515999353796a550e
[INFO] running `Command { std: "docker" "start" "-a" "86a2dd0977b4975dfe4e28a4b6fd6e652f41349c94e4451515999353796a550e", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2024` has been stabilized in the 1.85 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling gimli v0.31.0
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling owo-colors v4.1.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling object v0.36.4
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling supports-hyperlinks v3.0.0
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling supports-color v3.0.1
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling addr2line v0.24.1
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling miette v7.2.0
[INFO] [stderr]    Compiling assert-json-diff v2.0.2
[INFO] [stderr]    Compiling kfl v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `err_eq`
[INFO] [stdout]    --> src/grammar.rs:507:18
[INFO] [stdout]     |
[INFO] [stdout] 507 |     macro_rules! err_eq {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kfl` (lib test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name kfl --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="base64"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="line-numbers"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("base64", "chrono", "default", "derive", "http", "line-numbers", "minicbor", "std"))' -C metadata=531bc3bf9003f015 -C extra-filename=-a8a837f4f25e24fc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern assert_json_diff=/opt/rustwide/target/debug/deps/libassert_json_diff-341df29467b20c6b.rlib --extern base64=/opt/rustwide/target/debug/deps/libbase64-2a03de3babadded3.rlib --extern chumsky=/opt/rustwide/target/debug/deps/libchumsky-312fc4c6ab6f0954.rlib --extern kfl_derive=/opt/rustwide/target/debug/deps/libkfl_derive-d2f4e794bbc6beb3.so --extern miette=/opt/rustwide/target/debug/deps/libmiette-ad23e3ac78057a5c.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-28b2568ec89e7a8f.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-42768384945fd88d.rlib --extern unicode_width=/opt/rustwide/target/debug/deps/libunicode_width-ea37189c48be061a.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/psm-4b25f7512313fbb3/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `Parent` is never constructed
[INFO] [stdout]    --> tests/encode.rs:378:12
[INFO] [stdout]     |
[INFO] [stdout] 378 |     struct Parent {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Left` is never constructed
[INFO] [stdout]    --> tests/encode.rs:385:12
[INFO] [stdout]     |
[INFO] [stdout] 385 |     struct Left {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Right` is never constructed
[INFO] [stdout]    --> tests/encode.rs:390:12
[INFO] [stdout]     |
[INFO] [stdout] 390 |     struct Right {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parent` is never constructed
[INFO] [stdout]    --> tests/encode.rs:440:12
[INFO] [stdout]     |
[INFO] [stdout] 440 |     struct Parent {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Child1` is never constructed
[INFO] [stdout]    --> tests/encode.rs:447:12
[INFO] [stdout]     |
[INFO] [stdout] 447 |     struct Child1 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Child2` is never constructed
[INFO] [stdout]    --> tests/encode.rs:452:12
[INFO] [stdout]     |
[INFO] [stdout] 452 |     struct Child2 {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParentPartial` is never constructed
[INFO] [stdout]    --> tests/encode.rs:457:12
[INFO] [stdout]     |
[INFO] [stdout] 457 |     struct ParentPartial {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "86a2dd0977b4975dfe4e28a4b6fd6e652f41349c94e4451515999353796a550e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a2dd0977b4975dfe4e28a4b6fd6e652f41349c94e4451515999353796a550e", kill_on_drop: false }`
[INFO] [stdout] 86a2dd0977b4975dfe4e28a4b6fd6e652f41349c94e4451515999353796a550e