[INFO] fetching crate wasm-graph 0.1.2...
[INFO] checking wasm-graph-0.1.2 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate wasm-graph 0.1.2 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate wasm-graph 0.1.2 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-102/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmake v0.1.42
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded serde_derive v1.0.101
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.4
[INFO] [stderr]   Downloaded indoc-impl v0.3.4
[INFO] [stderr]   Downloaded unindent v0.1.4
[INFO] [stderr]   Downloaded cc v1.0.45
[INFO] [stderr]   Downloaded serde v1.0.101
[INFO] [stderr]   Downloaded syn v1.0.5
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded wabt v0.9.2
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.9
[INFO] [stderr]   Downloaded indoc v0.3.4
[INFO] [stderr]   Downloaded wabt-sys v0.7.0
[INFO] [stderr]   Downloaded parity-wasm v0.40.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95f4b6ab65fa6e58631996f6b022c3a8859a5effa91639b82a03a18dbb040c89
[INFO] running `Command { std: "docker" "start" "-a" "95f4b6ab65fa6e58631996f6b022c3a8859a5effa91639b82a03a18dbb040c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95f4b6ab65fa6e58631996f6b022c3a8859a5effa91639b82a03a18dbb040c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f4b6ab65fa6e58631996f6b022c3a8859a5effa91639b82a03a18dbb040c89", kill_on_drop: false }`
[INFO] [stdout] 95f4b6ab65fa6e58631996f6b022c3a8859a5effa91639b82a03a18dbb040c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a2dbd1863c74cfb4bc56eb54f08fcdbae0a31539fe7ae694874f0824d447deb
[INFO] running `Command { std: "docker" "start" "-a" "3a2dbd1863c74cfb4bc56eb54f08fcdbae0a31539fe7ae694874f0824d447deb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling unindent v0.1.4
[INFO] [stderr]     Checking parity-wasm v0.40.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling wabt-sys v0.7.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking wasm-graph v0.1.2 (/opt/rustwide/workdir)
[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] error: could not compile `serde_json`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_json /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.40/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=27e5634e3642f228 -C extra-filename=-27e5634e3642f228 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern itoa=/opt/rustwide/target/debug/deps/libitoa-4b2ad84b6bb178b5.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-dd99e087e8da9ae9.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-a78e726535ee5700.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" "3a2dbd1863c74cfb4bc56eb54f08fcdbae0a31539fe7ae694874f0824d447deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a2dbd1863c74cfb4bc56eb54f08fcdbae0a31539fe7ae694874f0824d447deb", kill_on_drop: false }`
[INFO] [stdout] 3a2dbd1863c74cfb4bc56eb54f08fcdbae0a31539fe7ae694874f0824d447deb