[INFO] cloning repository https://github.com/mook/paperback
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mook/paperback" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmook%2Fpaperback", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmook%2Fpaperback'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7189d0a7ee0a1e73e76123bf9546750d99750556
[INFO] checking mook/paperback against master#ecb170afc878648c3ae355dbd596c8e4b6f7ebdc for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmook%2Fpaperback" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mook/paperback on toolchain ecb170afc878648c3ae355dbd596c8e4b6f7ebdc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mook/paperback
[INFO] finished tweaking git repo https://github.com/mook/paperback
[INFO] tweaked toml for git repo https://github.com/mook/paperback written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mook/paperback 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" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5f83d61529f11cc2a37272439d84bcad5eed51b50e16e74daf2531c796dc05f
[INFO] running `Command { std: "docker" "start" "-a" "e5f83d61529f11cc2a37272439d84bcad5eed51b50e16e74daf2531c796dc05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5f83d61529f11cc2a37272439d84bcad5eed51b50e16e74daf2531c796dc05f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f83d61529f11cc2a37272439d84bcad5eed51b50e16e74daf2531c796dc05f", kill_on_drop: false }`
[INFO] [stdout] e5f83d61529f11cc2a37272439d84bcad5eed51b50e16e74daf2531c796dc05f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 026062849dd46828b1fbbb8f221c3732aacda10ab3180f55ea6f97c89d2494b3
[INFO] running `Command { std: "docker" "start" "-a" "026062849dd46828b1fbbb8f221c3732aacda10ab3180f55ea6f97c89d2494b3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking predicates-core v1.0.8
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking rustybuzz v0.7.0
[INFO] [stderr]     Checking pdf-writer v0.9.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling reed-solomon-simd v2.2.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling paperback-generate-fonts v0.1.0 (/opt/rustwide/workdir/generate-fonts)
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking clap_builder v4.5.18
[INFO] [stderr]     Checking predicates-tree v1.0.11
[INFO] [stderr]     Checking uriparse v0.6.4
[INFO] [stderr]     Checking predicates v3.1.2
[INFO] [stderr]     Checking usvg-text-layout v0.35.0
[INFO] [stderr]     Checking pom v3.4.0
[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/ecb170afc878648c3ae355dbd596c8e4b6f7ebdc/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.79/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="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=7eeac01a6f7a1095 -C extra-filename=-baaa49e3f80197c9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7eb4b82dd2ecf777.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-993a3289d8dd519c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d14904b1232aa2ec.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "026062849dd46828b1fbbb8f221c3732aacda10ab3180f55ea6f97c89d2494b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "026062849dd46828b1fbbb8f221c3732aacda10ab3180f55ea6f97c89d2494b3", kill_on_drop: false }`
[INFO] [stdout] 026062849dd46828b1fbbb8f221c3732aacda10ab3180f55ea6f97c89d2494b3