[INFO] fetching crate scoundrel-cards 0.1.0...
[INFO] building scoundrel-cards-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate scoundrel-cards 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate scoundrel-cards 0.1.0
[INFO] finished tweaking crates.io crate scoundrel-cards 0.1.0
[INFO] tweaked toml for crates.io crate scoundrel-cards 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scoundrel-cards 0.1.0 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] crate crates.io crate scoundrel-cards 0.1.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 092e75f1112ea0dac1a1b00391eba89d6fca134f199584cda6d5cd687c57ebb7
[INFO] running `Command { std: "docker" "start" "-a" "092e75f1112ea0dac1a1b00391eba89d6fca134f199584cda6d5cd687c57ebb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "092e75f1112ea0dac1a1b00391eba89d6fca134f199584cda6d5cd687c57ebb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092e75f1112ea0dac1a1b00391eba89d6fca134f199584cda6d5cd687c57ebb7", kill_on_drop: false }`
[INFO] [stdout] 092e75f1112ea0dac1a1b00391eba89d6fca134f199584cda6d5cd687c57ebb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d9f48fbfaf6a852c7603c455108022345b62a2075e7c833b35584eb21d0263cb
[INFO] running `Command { std: "docker" "start" "-a" "d9f48fbfaf6a852c7603c455108022345b62a2075e7c833b35584eb21d0263cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling bstr v1.11.3
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]    Compiling type-map v0.5.0
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling self_cell v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling self_cell v0.10.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling console v0.15.10
[INFO] [stderr]    Compiling tempfile v3.17.1
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling color-spantrace v0.2.1
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.98/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="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=b0b7d360988c1773 -C extra-filename=-04ef8c488b1efe9e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c1602ad0331f815a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7f88217c94841094.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-6759994d78e94663.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" "d9f48fbfaf6a852c7603c455108022345b62a2075e7c833b35584eb21d0263cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f48fbfaf6a852c7603c455108022345b62a2075e7c833b35584eb21d0263cb", kill_on_drop: false }`
[INFO] [stdout] d9f48fbfaf6a852c7603c455108022345b62a2075e7c833b35584eb21d0263cb