[INFO] cloning repository https://github.com/lhybdv/mdbook-image-size
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lhybdv/mdbook-image-size" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhybdv%2Fmdbook-image-size", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhybdv%2Fmdbook-image-size'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a22cb92f11bfb4316fdb0eaeac0bbb132d624613
[INFO] testing lhybdv/mdbook-image-size against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flhybdv%2Fmdbook-image-size" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lhybdv/mdbook-image-size
[INFO] finished tweaking git repo https://github.com/lhybdv/mdbook-image-size
[INFO] tweaked toml for git repo https://github.com/lhybdv/mdbook-image-size written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lhybdv/mdbook-image-size on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 254 packages to highest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding matchit v0.8.4 (available: v0.8.6)
[INFO] [stderr]       Adding mdbook v0.4.52 (available: v0.5.4)
[INFO] [stderr]       Adding pulldown-cmark v0.11.3 (available: v0.13.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d69bfe7fe6566f6d23842a97f9f5fa8d7d86ed84e264f0f2438ae645060c445f
[INFO] running `Command { std: "docker" "start" "d69bfe7fe6566f6d23842a97f9f5fa8d7d86ed84e264f0f2438ae645060c445f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d69bfe7fe6566f6d23842a97f9f5fa8d7d86ed84e264f0f2438ae645060c445f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d69bfe7fe6566f6d23842a97f9f5fa8d7d86ed84e264f0f2438ae645060c445f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d69bfe7fe6566f6d23842a97f9f5fa8d7d86ed84e264f0f2438ae645060c445f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d69bfe7fe6566f6d23842a97f9f5fa8d7d86ed84e264f0f2438ae645060c445f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling smallvec v1.16.2
[INFO] [stderr]    Compiling siphasher v1.0.4
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling http v1.5.0
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]    Compiling zerocopy v0.8.60
[INFO] [stderr]    Compiling litemap v0.8.3
[INFO] [stderr]    Compiling writeable v0.6.4
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]    Compiling phf_shared v0.14.0
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling futures-sink v0.3.34
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]    Compiling unicase v2.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling phf_generator v0.14.0
[INFO] [stderr]    Compiling inotify-sys v0.1.8
[INFO] [stderr]    Compiling phf_codegen v0.14.0
[INFO] [stderr]    Compiling string_cache_codegen v0.11.2
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling pest v2.9.2
[INFO] [stderr]    Compiling phf v0.14.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling http-body v1.1.0
[INFO] [stderr]    Compiling tendril v0.5.1
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling futures-channel v0.3.34
[INFO] [stderr]    Compiling data-encoding v2.11.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling http-body-util v0.1.5
[INFO] [stderr]    Compiling clap_lex v1.1.1
[INFO] [stderr]    Compiling web_atoms v0.3.0
[INFO] [stderr]    Compiling dtoa v1.0.11
[INFO] [stderr]    Compiling sha1 v0.10.7
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling notify-types v2.1.0
[INFO] [stderr]    Compiling num-modular v0.6.6
[INFO] [stderr]    Compiling jiff-core v0.1.1
[INFO] [stderr]    Compiling pulldown-cmark v0.10.3
[INFO] [stderr]    Compiling axum-core v0.5.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling cssparser v0.38.0
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling pulldown-cmark-escape v0.10.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling http-range-header v0.4.2
[INFO] [stderr]    Compiling pulldown-cmark v0.11.3
[INFO] [stderr]    Compiling jiff v0.2.38
[INFO] [stderr]    Compiling pest_meta v2.9.2
[INFO] [stderr]    Compiling mio v1.2.4
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling inotify v0.11.5
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling num-order v1.2.0
[INFO] [stderr]    Compiling string_cache v0.11.0
[INFO] [stderr]    Compiling terminal_size v0.4.4
[INFO] [stderr]    Compiling clap_builder v4.6.7
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling notify v8.2.0
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling pest_generator v2.9.2
[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/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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=a57e5e9361a1b033 -C extra-filename=-981af6f526b6206f --out-dir /opt/rustwide/target/debug/build/syn/981af6f526b6206f/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/9777a2717d7b7d19/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/7d090ccf0d71aea6/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/9777a2717d7b7d19/out/libproc_macro2-9777a2717d7b7d19.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/12eb74adb1fe7137/out/libquote-12eb74adb1fe7137.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/7d090ccf0d71aea6/out/libunicode_ident-7d090ccf0d71aea6.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d69bfe7fe6566f6d23842a97f9f5fa8d7d86ed84e264f0f2438ae645060c445f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69bfe7fe6566f6d23842a97f9f5fa8d7d86ed84e264f0f2438ae645060c445f", kill_on_drop: false }`
[INFO] [stdout] d69bfe7fe6566f6d23842a97f9f5fa8d7d86ed84e264f0f2438ae645060c445f
