[INFO] fetching crate mdbook-readme 0.0.4...
[INFO] testing mdbook-readme-0.0.4 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] extracting crate mdbook-readme 0.0.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mdbook-readme 0.0.4
[INFO] finished tweaking crates.io crate mdbook-readme 0.0.4
[INFO] tweaked toml for crates.io crate mdbook-readme 0.0.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook-readme 0.0.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 272 packages to latest compatible versions
[INFO] [stderr]       Adding lazy-regex v2.5.0 (available: v3.4.1)
[INFO] [stderr]       Adding matchit v0.8.4 (available: v0.8.6)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 14a83d5952074be056618ba336312624478466afeffe3e12c8e275fbc27cdc67
[INFO] running `Command { std: "docker" "start" "-a" "14a83d5952074be056618ba336312624478466afeffe3e12c8e275fbc27cdc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14a83d5952074be056618ba336312624478466afeffe3e12c8e275fbc27cdc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14a83d5952074be056618ba336312624478466afeffe3e12c8e275fbc27cdc67", kill_on_drop: false }`
[INFO] [stdout] 14a83d5952074be056618ba336312624478466afeffe3e12c8e275fbc27cdc67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cce364e2c5436961bfea8896b7b7a8bce4d21abc9c1b585437f1f92740539066
[INFO] running `Command { std: "docker" "start" "-a" "cce364e2c5436961bfea8896b7b7a8bce4d21abc9c1b585437f1f92740539066", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling inotify v0.11.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.1
[INFO] [stderr]    Compiling match_token v0.35.0
[INFO] [stderr]    Compiling notify-types v2.0.0
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling pulldown-cmark v0.10.3
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling cssparser v0.35.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling notify v8.2.0
[INFO] [stderr] error: could not compile `aho-corasick` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name aho_corasick --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/aho-corasick-1.1.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "logging", "perf-literal", "std"))' -C metadata=152ef12de53ce58a -C extra-filename=-45b1dc6e49ed3f0e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-6f5829dadd40eda8.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `darling_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name darling_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/darling_core-0.20.11/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="strsim"' --cfg 'feature="suggestions"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("diagnostics", "strsim", "suggestions"))' -C metadata=222a6c66dc54d2f8 -C extra-filename=-41c38540e46fcfa6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-2d77ec4f6f971b24.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-ecc112105bc5215b.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a28683de7e2d991e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-084ae52e87cd4d87.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-24acdad2526b95b7.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-d39b452e62eda284.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "cce364e2c5436961bfea8896b7b7a8bce4d21abc9c1b585437f1f92740539066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce364e2c5436961bfea8896b7b7a8bce4d21abc9c1b585437f1f92740539066", kill_on_drop: false }`
[INFO] [stdout] cce364e2c5436961bfea8896b7b7a8bce4d21abc9c1b585437f1f92740539066