[INFO] fetching crate forgiving-semver-parser 0.10.1...
[INFO] testing forgiving-semver-parser-0.10.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate forgiving-semver-parser 0.10.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate forgiving-semver-parser 0.10.1
[INFO] finished tweaking crates.io crate forgiving-semver-parser 0.10.1
[INFO] tweaked toml for crates.io crate forgiving-semver-parser 0.10.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate forgiving-semver-parser 0.10.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate forgiving-semver-parser 0.10.1 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f145e58e4a8b46e4ee21f7c2b7a2fd0d4f869c7dba1fca38aba1d441fdb48f39
[INFO] running `Command { std: "docker" "start" "-a" "f145e58e4a8b46e4ee21f7c2b7a2fd0d4f869c7dba1fca38aba1d441fdb48f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f145e58e4a8b46e4ee21f7c2b7a2fd0d4f869c7dba1fca38aba1d441fdb48f39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f145e58e4a8b46e4ee21f7c2b7a2fd0d4f869c7dba1fca38aba1d441fdb48f39", kill_on_drop: false }`
[INFO] [stdout] f145e58e4a8b46e4ee21f7c2b7a2fd0d4f869c7dba1fca38aba1d441fdb48f39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fc929ae1c48e307554d68fdcb77f13f290ecee7aa221b110093115f49e443fa
[INFO] running `Command { std: "docker" "start" "-a" "2fc929ae1c48e307554d68fdcb77f13f290ecee7aa221b110093115f49e443fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling forgiving-semver-parser v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: custom inner attributes are unstable
[INFO] [stdout]  --> src/generated.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stdout]   = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2025-08-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `forgiving-semver-parser` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2fc929ae1c48e307554d68fdcb77f13f290ecee7aa221b110093115f49e443fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc929ae1c48e307554d68fdcb77f13f290ecee7aa221b110093115f49e443fa", kill_on_drop: false }`
[INFO] [stdout] 2fc929ae1c48e307554d68fdcb77f13f290ecee7aa221b110093115f49e443fa