[INFO] fetching crate kfl 0.4.0...
[INFO] checking kfl-0.4.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate kfl 0.4.0 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kfl 0.4.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4de302d70223a33df2c60f10ad908b86f0394339ada7945eff9de8e0d77ef0a
[INFO] running `Command { std: "docker" "start" "-a" "a4de302d70223a33df2c60f10ad908b86f0394339ada7945eff9de8e0d77ef0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4de302d70223a33df2c60f10ad908b86f0394339ada7945eff9de8e0d77ef0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4de302d70223a33df2c60f10ad908b86f0394339ada7945eff9de8e0d77ef0a", kill_on_drop: false }`
[INFO] [stdout] a4de302d70223a33df2c60f10ad908b86f0394339ada7945eff9de8e0d77ef0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89f6f6693e9786b6edf4813e4d4ba5affef6787486e9eaed1422aa08b852bc5b
[INFO] running `Command { std: "docker" "start" "-a" "89f6f6693e9786b6edf4813e4d4ba5affef6787486e9eaed1422aa08b852bc5b", 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 shlex v1.3.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking gimli v0.31.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling owo-colors v4.1.0
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]     Checking once_cell v1.20.0
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling chumsky v1.0.0-alpha.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking supports-color v3.0.1
[INFO] [stderr]     Checking supports-unicode v3.0.0
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking supports-hyperlinks v3.0.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling psm v0.1.23
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking addr2line v0.24.1
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking assert-json-diff v2.0.2
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[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]     Checking miette v7.2.0
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.80s
[INFO] running `Command { std: "docker" "inspect" "89f6f6693e9786b6edf4813e4d4ba5affef6787486e9eaed1422aa08b852bc5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f6f6693e9786b6edf4813e4d4ba5affef6787486e9eaed1422aa08b852bc5b", kill_on_drop: false }`
[INFO] [stdout] 89f6f6693e9786b6edf4813e4d4ba5affef6787486e9eaed1422aa08b852bc5b