[INFO] cloning repository https://github.com/beyarkay/mdBook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beyarkay/mdBook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeyarkay%2FmdBook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeyarkay%2FmdBook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 785ee564c562487898aa6bab50cb24b08c87d97d
[INFO] testing beyarkay/mdBook/785ee564c562487898aa6bab50cb24b08c87d97d against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeyarkay%2FmdBook" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/beyarkay/mdBook
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/beyarkay/mdBook
[INFO] tweaked toml for git repo https://github.com/beyarkay/mdBook written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/beyarkay/mdBook on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/beyarkay/mdBook 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded icu_locid_transform_data v1.5.1
[INFO] [stderr]   Downloaded snapbox-macros v0.3.10
[INFO] [stderr]   Downloaded topological-sort v0.2.2
[INFO] [stderr]   Downloaded icu_normalizer_data v1.5.1
[INFO] [stderr]   Downloaded pulldown-cmark-escape v0.10.1
[INFO] [stderr]   Downloaded snapbox v0.6.21
[INFO] [stderr]   Downloaded markup5ever v0.16.1
[INFO] [stderr]   Downloaded num-modular v0.6.1
[INFO] [stderr]   Downloaded notify-types v2.0.0
[INFO] [stderr]   Downloaded dtoa v1.0.10
[INFO] [stderr]   Downloaded ammonia v4.1.0
[INFO] [stderr]   Downloaded cssparser v0.35.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.12.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.10.3
[INFO] [stderr]   Downloaded icu_properties_data v1.5.1
[INFO] [stderr]   Downloaded html5ever v0.31.0
[INFO] [stderr]   Downloaded pest v2.8.0
[INFO] [stderr]   Downloaded jiff-static v0.2.12
[INFO] [stderr]   Downloaded elasticlunr-rs v3.0.2
[INFO] [stderr]   Downloaded handlebars v6.3.2
[INFO] [stderr]   Downloaded dbus v0.9.7
[INFO] [stderr]   Downloaded unicode-width v0.2.0
[INFO] [stderr]   Downloaded similar v2.7.0
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.2.0
[INFO] [stderr]   Downloaded pest_meta v2.8.0
[INFO] [stderr]   Downloaded inotify v0.11.0
[INFO] [stderr]   Downloaded cc v1.2.21
[INFO] [stderr]   Downloaded anstyle-svg v0.1.7
[INFO] [stderr]   Downloaded redox_syscall v0.5.12
[INFO] [stderr]   Downloaded phf_codegen v0.11.3
[INFO] [stderr]   Downloaded web_atoms v0.1.1
[INFO] [stderr]   Downloaded tokio v1.44.2
[INFO] [stderr]   Downloaded clap_complete v4.5.48
[INFO] [stderr]   Downloaded num-order v1.2.0
[INFO] [stderr]   Downloaded pest_derive v2.8.0
[INFO] [stderr]   Downloaded normpath v1.3.0
[INFO] [stderr]   Downloaded anstyle-lossy v1.1.3
[INFO] [stderr]   Downloaded content_inspector v0.2.4
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.6.0
[INFO] [stderr]   Downloaded opener v0.7.2
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.4
[INFO] [stderr]   Downloaded jiff v0.2.12
[INFO] [stderr]   Downloaded xml5ever v0.17.0
[INFO] [stderr]   Downloaded select v0.6.1
[INFO] [stderr]   Downloaded utf8-width v0.1.7
[INFO] [stderr]   Downloaded html-escape v0.2.13
[INFO] [stderr]   Downloaded match_token v0.1.0
[INFO] [stderr]   Downloaded pest_generator v2.8.0
[INFO] [stderr]   Downloaded notify v8.0.0
[INFO] [stderr]   Downloaded string_cache v0.8.9
[INFO] [stderr]   Downloaded socket2 v0.5.9
[INFO] [stderr]   Downloaded libdbus-sys v0.2.5
[INFO] [stderr]   Downloaded pulldown-cmark-to-cmark v18.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f62dad52e31a823e8c99f62e356671973753a3c694b2c8a8c95125402fd83b8
[INFO] running `Command { std: "docker" "start" "-a" "3f62dad52e31a823e8c99f62e356671973753a3c694b2c8a8c95125402fd83b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f62dad52e31a823e8c99f62e356671973753a3c694b2c8a8c95125402fd83b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f62dad52e31a823e8c99f62e356671973753a3c694b2c8a8c95125402fd83b8", kill_on_drop: false }`
[INFO] [stdout] 3f62dad52e31a823e8c99f62e356671973753a3c694b2c8a8c95125402fd83b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 427d03e332b2c4828c9fc36250111483c177e3e52c671f218fc4246a6b08c618
[INFO] running `Command { std: "docker" "start" "-a" "427d03e332b2c4828c9fc36250111483c177e3e52c671f218fc4246a6b08c618", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling inotify v0.11.0
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling pulldown-cmark v0.10.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling notify-types v2.0.0
[INFO] [stderr]    Compiling notify v8.0.0
[INFO] [stderr]    Compiling headers v0.3.9
[INFO] [stderr]    Compiling pulldown-cmark-escape v0.10.1
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling jiff v0.2.12
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling num-order v1.2.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling web_atoms v0.1.1
[INFO] [stderr]    Compiling topological-sort v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling terminal_size v0.4.2
[INFO] [stderr]    Compiling clap_builder v4.5.37
[INFO] [stderr]    Compiling tempfile v3.19.1
[INFO] [stderr]    Compiling notify-debouncer-mini v0.6.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d98a5da813da67eb189387b8ccfb73cf481275d8/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.101/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=870cf6348d3779c0 -C extra-filename=-767ce74087e2b0d4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f1712703fbf401f9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-940ab2d4840f1cd6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-59080bf303a6834d.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "427d03e332b2c4828c9fc36250111483c177e3e52c671f218fc4246a6b08c618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "427d03e332b2c4828c9fc36250111483c177e3e52c671f218fc4246a6b08c618", kill_on_drop: false }`
[INFO] [stdout] 427d03e332b2c4828c9fc36250111483c177e3e52c671f218fc4246a6b08c618