[INFO] fetching crate peepmatic 0.76.0...
[INFO] checking peepmatic-0.76.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate peepmatic 0.76.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate peepmatic 0.76.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peepmatic 0.76.0
[INFO] finished tweaking crates.io crate peepmatic 0.76.0
[INFO] tweaked toml for crates.io crate peepmatic 0.76.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 907f4e1707f5303469b66b8892d16b78805bdc3744a306fe7b928e312eac952b
[INFO] running `Command { std: "docker" "start" "-a" "907f4e1707f5303469b66b8892d16b78805bdc3744a306fe7b928e312eac952b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "907f4e1707f5303469b66b8892d16b78805bdc3744a306fe7b928e312eac952b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "907f4e1707f5303469b66b8892d16b78805bdc3744a306fe7b928e312eac952b", kill_on_drop: false }`
[INFO] [stdout] 907f4e1707f5303469b66b8892d16b78805bdc3744a306fe7b928e312eac952b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b16b85795ff6f50acd1333603720bfb5d6eb77ce645617fbaf53d627380849d
[INFO] running `Command { std: "docker" "start" "-a" "3b16b85795ff6f50acd1333603720bfb5d6eb77ce645617fbaf53d627380849d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking peepmatic-traits v0.76.0
[INFO] [stderr]     Checking bumpalo v3.7.0
[INFO] [stderr]    Compiling z3-sys v0.6.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking wast v36.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling peepmatic-macro v0.76.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.128/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=cc2cb37b1054069e -C extra-filename=-cc2cb37b1054069e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-72dd94e62781faf3.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-754b571958ad5368.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-a31aa8b5adcff8c2.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (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" "3b16b85795ff6f50acd1333603720bfb5d6eb77ce645617fbaf53d627380849d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b16b85795ff6f50acd1333603720bfb5d6eb77ce645617fbaf53d627380849d", kill_on_drop: false }`
[INFO] [stdout] 3b16b85795ff6f50acd1333603720bfb5d6eb77ce645617fbaf53d627380849d