[INFO] fetching crate cargo-container 0.0.0...
[INFO] testing cargo-container-0.0.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate cargo-container 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate cargo-container 0.0.0
[INFO] finished tweaking crates.io crate cargo-container 0.0.0
[INFO] tweaked toml for crates.io crate cargo-container 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-container 0.0.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-container 0.0.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded semver-parser v0.10.1
[INFO] [stderr]   Downloaded cargo-local-install v0.1.7
[INFO] [stderr]   Downloaded mmrbi v0.0.5
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded toml v0.5.7
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded serde_json v1.0.59
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a5dd2a2dc12500956bb980912189abe71b87ed297a2017295962a871ab39aab
[INFO] running `Command { std: "docker" "start" "-a" "6a5dd2a2dc12500956bb980912189abe71b87ed297a2017295962a871ab39aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a5dd2a2dc12500956bb980912189abe71b87ed297a2017295962a871ab39aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a5dd2a2dc12500956bb980912189abe71b87ed297a2017295962a871ab39aab", kill_on_drop: false }`
[INFO] [stdout] 6a5dd2a2dc12500956bb980912189abe71b87ed297a2017295962a871ab39aab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76a43a17cb4f6bf5a574ffc804e11e65ad00c5801ecd7e42daecbe8cdedbb90e
[INFO] running `Command { std: "docker" "start" "-a" "76a43a17cb4f6bf5a574ffc804e11e65ad00c5801ecd7e42daecbe8cdedbb90e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling semver-parser v0.10.1
[INFO] [stdout] error[E0658]: custom inner attributes are unstable
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/semver-parser-0.10.1/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 2025-11-06; 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 `semver-parser` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "76a43a17cb4f6bf5a574ffc804e11e65ad00c5801ecd7e42daecbe8cdedbb90e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a43a17cb4f6bf5a574ffc804e11e65ad00c5801ecd7e42daecbe8cdedbb90e", kill_on_drop: false }`
[INFO] [stdout] 76a43a17cb4f6bf5a574ffc804e11e65ad00c5801ecd7e42daecbe8cdedbb90e
