[INFO] fetching crate qapi-qmp 0.7.0...
[INFO] checking qapi-qmp-0.7.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate qapi-qmp 0.7.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate qapi-qmp 0.7.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qapi-qmp 0.7.0
[INFO] finished tweaking crates.io crate qapi-qmp 0.7.0
[INFO] tweaked toml for crates.io crate qapi-qmp 0.7.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75d56f1331f474e9670ae5ad47e6bc3dd51905531accdba7900714e657d1c8e5
[INFO] running `Command { std: "docker" "start" "-a" "75d56f1331f474e9670ae5ad47e6bc3dd51905531accdba7900714e657d1c8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75d56f1331f474e9670ae5ad47e6bc3dd51905531accdba7900714e657d1c8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d56f1331f474e9670ae5ad47e6bc3dd51905531accdba7900714e657d1c8e5", kill_on_drop: false }`
[INFO] [stdout] 75d56f1331f474e9670ae5ad47e6bc3dd51905531accdba7900714e657d1c8e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 097dff5bbc345150beb1bc6a7c5c8456b15b1445522ab908b29bb1bfe3cefd85
[INFO] running `Command { std: "docker" "start" "-a" "097dff5bbc345150beb1bc6a7c5c8456b15b1445522ab908b29bb1bfe3cefd85", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking qapi-spec v0.3.1
[INFO] [stderr]    Compiling qapi-parser v0.5.0
[INFO] [stderr]    Compiling qapi-codegen v0.5.0
[INFO] [stderr]    Compiling qapi-qmp v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `qapi-qmp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name qapi_qmp --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=3888c3f941d5136b -C extra-filename=-3888c3f941d5136b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern qapi_spec=/opt/rustwide/target/debug/deps/libqapi_spec-2a8b3440577c7da7.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-fe4ba25810262adc.rmeta --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" "097dff5bbc345150beb1bc6a7c5c8456b15b1445522ab908b29bb1bfe3cefd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097dff5bbc345150beb1bc6a7c5c8456b15b1445522ab908b29bb1bfe3cefd85", kill_on_drop: false }`
[INFO] [stdout] 097dff5bbc345150beb1bc6a7c5c8456b15b1445522ab908b29bb1bfe3cefd85