[INFO] cloning repository https://github.com/stepanov-denis/pdf-merger-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stepanov-denis/pdf-merger-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstepanov-denis%2Fpdf-merger-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstepanov-denis%2Fpdf-merger-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4d8bb133ce909d5714be42a6509af5e7b540234
[INFO] checking stepanov-denis/pdf-merger-rs against master#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstepanov-denis%2Fpdf-merger-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stepanov-denis/pdf-merger-rs on toolchain 84e729a59f216cc64755788a470f165429a731f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stepanov-denis/pdf-merger-rs
[INFO] finished tweaking git repo https://github.com/stepanov-denis/pdf-merger-rs
[INFO] tweaked toml for git repo https://github.com/stepanov-denis/pdf-merger-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stepanov-denis/pdf-merger-rs 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" "+84e729a59f216cc64755788a470f165429a731f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-expr v0.15.6
[INFO] [stderr]   Downloaded hermit-abi v0.3.4
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded async-io v2.3.0
[INFO] [stderr]   Downloaded qpdf v0.1.7
[INFO] [stderr]   Downloaded qpdf-sys v0.1.7
[INFO] [stderr]   Downloaded lopdf v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c82be70b1d4c80554c52e1b4e3398363d9f2103c14256f49918171b33c099da6
[INFO] running `Command { std: "docker" "start" "-a" "c82be70b1d4c80554c52e1b4e3398363d9f2103c14256f49918171b33c099da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c82be70b1d4c80554c52e1b4e3398363d9f2103c14256f49918171b33c099da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82be70b1d4c80554c52e1b4e3398363d9f2103c14256f49918171b33c099da6", kill_on_drop: false }`
[INFO] [stdout] c82be70b1d4c80554c52e1b4e3398363d9f2103c14256f49918171b33c099da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e82461845553e9de46352e89331644bddda57b4b4f13ae3689bc6e850bf89c00
[INFO] running `Command { std: "docker" "start" "-a" "e82461845553e9de46352e89331644bddda57b4b4f13ae3689bc6e850bf89c00", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling target-lexicon v0.12.13
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]     Checking ahash v0.8.7
[INFO] [stderr]    Compiling prettyplease v0.2.16
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]     Checking accesskit v0.12.2
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling winit v0.29.10
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]     Checking async-io v1.13.0
[INFO] [stderr]    Compiling bindgen v0.69.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking xkbcommon-dl v0.4.1
[INFO] [stderr]    Compiling cfg-expr v0.15.6
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.6.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling x11rb v0.12.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking accesskit_consumer v0.16.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking async-executor v1.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling glutin v0.31.2
[INFO] [stderr]     Checking x11rb-protocol v0.12.0
[INFO] [stderr]     Checking gethostname v0.3.0
[INFO] [stderr]     Checking async-once-cell v0.5.3
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling wayland-backend v0.3.2
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling glutin-winit v0.4.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking png v0.17.11
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]    Compiling rfd v0.13.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking glow v0.13.1
[INFO] [stderr]     Checking web-time v0.2.4
[INFO] [stderr]     Checking webbrowser v0.8.12
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking wayland-client v0.31.1
[INFO] [stderr]     Checking wayland-csd-frame v0.3.0
[INFO] [stderr]     Checking time v0.3.31
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling cexpr 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/84e729a59f216cc64755788a470f165429a731f4/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.48/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"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' -C metadata=ecf95452334c3761 -C extra-filename=-ecf95452334c3761 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6b805b9fa7d637e0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-764b741d9a0ef58a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.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" "e82461845553e9de46352e89331644bddda57b4b4f13ae3689bc6e850bf89c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e82461845553e9de46352e89331644bddda57b4b4f13ae3689bc6e850bf89c00", kill_on_drop: false }`
[INFO] [stdout] e82461845553e9de46352e89331644bddda57b4b4f13ae3689bc6e850bf89c00