[INFO] fetching crate wasm-graph 0.1.2...
[INFO] checking wasm-graph-0.1.2 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate wasm-graph 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wasm-graph 0.1.2 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 wasm-graph 0.1.2
[INFO] finished tweaking crates.io crate wasm-graph 0.1.2
[INFO] tweaked toml for crates.io crate wasm-graph 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate wasm-graph 0.1.2 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6429ea8df3ab3be4805d3685994f7adf85f8af5115cc7f727d0183cd11ec6739
[INFO] running `Command { std: "docker" "start" "-a" "6429ea8df3ab3be4805d3685994f7adf85f8af5115cc7f727d0183cd11ec6739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6429ea8df3ab3be4805d3685994f7adf85f8af5115cc7f727d0183cd11ec6739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6429ea8df3ab3be4805d3685994f7adf85f8af5115cc7f727d0183cd11ec6739", kill_on_drop: false }`
[INFO] [stdout] 6429ea8df3ab3be4805d3685994f7adf85f8af5115cc7f727d0183cd11ec6739
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 38d6095fd17c325883c13e1286fbf83609d4d162b6267eadc4525bae6c128ad8
[INFO] running `Command { std: "docker" "start" "-a" "38d6095fd17c325883c13e1286fbf83609d4d162b6267eadc4525bae6c128ad8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling unindent v0.1.4
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking parity-wasm v0.40.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking wasm-graph v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling wabt-sys v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[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-1.0.101/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=476c126a58dda7ed -C extra-filename=-476c126a58dda7ed --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-79f93205ad15eb37.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-603a62e12cc3ebc5.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-c836d56c989e5137.rlib --extern proc_macro --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" "38d6095fd17c325883c13e1286fbf83609d4d162b6267eadc4525bae6c128ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d6095fd17c325883c13e1286fbf83609d4d162b6267eadc4525bae6c128ad8", kill_on_drop: false }`
[INFO] [stdout] 38d6095fd17c325883c13e1286fbf83609d4d162b6267eadc4525bae6c128ad8