[INFO] fetching crate peepmatic-souper 0.75.0...
[INFO] checking peepmatic-souper-0.75.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate peepmatic-souper 0.75.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate peepmatic-souper 0.75.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peepmatic-souper 0.75.0
[INFO] finished tweaking crates.io crate peepmatic-souper 0.75.0
[INFO] tweaked toml for crates.io crate peepmatic-souper 0.75.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b09e6801f44a664971e9a63fd4b5aecfafe8139832b4aba7701d2db0c8a8a30
[INFO] running `Command { std: "docker" "start" "-a" "2b09e6801f44a664971e9a63fd4b5aecfafe8139832b4aba7701d2db0c8a8a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b09e6801f44a664971e9a63fd4b5aecfafe8139832b4aba7701d2db0c8a8a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b09e6801f44a664971e9a63fd4b5aecfafe8139832b4aba7701d2db0c8a8a30", kill_on_drop: false }`
[INFO] [stdout] 2b09e6801f44a664971e9a63fd4b5aecfafe8139832b4aba7701d2db0c8a8a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28d7108260cbd7aab1ab50c3f5db4f56971d85f2d5617f5b20330f8d3e7ed0c6
[INFO] running `Command { std: "docker" "start" "-a" "28d7108260cbd7aab1ab50c3f5db4f56971d85f2d5617f5b20330f8d3e7ed0c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking peepmatic-traits v0.75.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking wast v35.0.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking souper-ir v2.1.0
[INFO] [stderr]    Compiling z3-sys v0.6.3
[INFO] [stderr]     Checking peepmatic-souper v0.75.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.73/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=12679b6cb8c665b2 -C extra-filename=-12679b6cb8c665b2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4fc7cd6531551569.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-222a78d45ac6a98c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-38987aa89d2b0d41.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "28d7108260cbd7aab1ab50c3f5db4f56971d85f2d5617f5b20330f8d3e7ed0c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d7108260cbd7aab1ab50c3f5db4f56971d85f2d5617f5b20330f8d3e7ed0c6", kill_on_drop: false }`
[INFO] [stdout] 28d7108260cbd7aab1ab50c3f5db4f56971d85f2d5617f5b20330f8d3e7ed0c6