[INFO] fetching crate rustdoc-mcp 0.5.0...
[INFO] checking rustdoc-mcp-0.5.0 against try#6284d7b4bd27983dba388146648ab844ca7d032f for pr-152971
[INFO] extracting crate rustdoc-mcp 0.5.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rustdoc-mcp 0.5.0
[INFO] finished tweaking crates.io crate rustdoc-mcp 0.5.0
[INFO] tweaked toml for crates.io crate rustdoc-mcp 0.5.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustdoc-mcp 0.5.0 on toolchain 6284d7b4bd27983dba388146648ab844ca7d032f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rustdoc-mcp 0.5.0 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" "+6284d7b4bd27983dba388146648ab844ca7d032f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7562ab9878d971aa85b6923f514edd4b3d964ed2ee145fa4e2b1b6f1b6af71d4
[INFO] running `Command { std: "docker" "start" "-a" "7562ab9878d971aa85b6923f514edd4b3d964ed2ee145fa4e2b1b6f1b6af71d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7562ab9878d971aa85b6923f514edd4b3d964ed2ee145fa4e2b1b6f1b6af71d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7562ab9878d971aa85b6923f514edd4b3d964ed2ee145fa4e2b1b6f1b6af71d4", kill_on_drop: false }`
[INFO] [stdout] 7562ab9878d971aa85b6923f514edd4b3d964ed2ee145fa4e2b1b6f1b6af71d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31ef4f57c98ac068f6c6d0dfb92d3cab44da9b75f9b6ba62c87ad219e2baf71f
[INFO] running `Command { std: "docker" "start" "-a" "31ef4f57c98ac068f6c6d0dfb92d3cab44da9b75f9b6ba62c87ad219e2baf71f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.181
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling aws-lc-rs v1.15.4
[INFO] [stderr]    Compiling rlimit v0.10.2
[INFO] [stderr]     Checking stopper v0.2.8
[INFO] [stderr]     Checking smartcow v0.2.1
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking regex-syntax v0.8.9
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking async_cell v0.2.3
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]    Compiling camino v1.2.2
[INFO] [stderr]     Checking rustls-native-certs v0.8.3
[INFO] [stderr]     Checking async-executor v1.13.3
[INFO] [stderr]     Checking clap_builder v4.5.58
[INFO] [stderr]     Checking semver v1.0.27
[INFO] [stderr]     Checking webpki-roots v1.0.6
[INFO] [stderr]     Checking cargo-platform v0.3.2
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking notify-types v2.1.0
[INFO] [stderr]     Checking sonic-number v0.1.0
[INFO] [stderr]     Checking sonic-simd v0.1.2
[INFO] [stderr]     Checking jiff v0.2.19
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking size v0.4.1
[INFO] [stderr]     Checking elsa v1.11.2
[INFO] [stderr]     Checking async-fs v2.2.0
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking getrandom v0.4.1
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking inotify v0.11.0
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking shellexpand v3.1.1
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shellexpand-3.1.1/src/funcs.rs:395:21
[INFO] [stdout]     |
[INFO] [stdout] 394 |                 let var_name = match var_name.as_str() {
[INFO] [stdout]     |                                      ----------------- this expression has type `&str`
[INFO] [stdout] 395 |                     Some(var_name) => var_name,
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ expected `str`, found `Option<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `str`
[INFO] [stdout]                found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shellexpand-3.1.1/src/funcs.rs:397:21
[INFO] [stdout]     |
[INFO] [stdout] 394 |                 let var_name = match var_name.as_str() {
[INFO] [stdout]     |                                      ----------------- this expression has type `&str`
[INFO] [stdout] ...
[INFO] [stdout] 397 |                     None => return Ok(None),
[INFO] [stdout]     |                     ^^^^ expected `str`, found `Option<_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected type `str`
[INFO] [stdout]                found enum `Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shellexpand` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "31ef4f57c98ac068f6c6d0dfb92d3cab44da9b75f9b6ba62c87ad219e2baf71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ef4f57c98ac068f6c6d0dfb92d3cab44da9b75f9b6ba62c87ad219e2baf71f", kill_on_drop: false }`
[INFO] [stdout] 31ef4f57c98ac068f6c6d0dfb92d3cab44da9b75f9b6ba62c87ad219e2baf71f