[INFO] fetching crate qapi-qmp 0.9.0...
[INFO] checking qapi-qmp-0.9.0 against master#1ab98933fa75d72e882b86feac1a0be3a5b02cb0 for pr-83850
[INFO] extracting crate qapi-qmp 0.9.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate qapi-qmp 0.9.0 on toolchain 1ab98933fa75d72e882b86feac1a0be3a5b02cb0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qapi-qmp 0.9.0
[INFO] finished tweaking crates.io crate qapi-qmp 0.9.0
[INFO] tweaked toml for crates.io crate qapi-qmp 0.9.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "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" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1177f1a5575a1cbf8cfa2322667de4369f865e4b13ffa3e0bead97583724d93
[INFO] running `Command { std: "docker" "start" "-a" "f1177f1a5575a1cbf8cfa2322667de4369f865e4b13ffa3e0bead97583724d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1177f1a5575a1cbf8cfa2322667de4369f865e4b13ffa3e0bead97583724d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1177f1a5575a1cbf8cfa2322667de4369f865e4b13ffa3e0bead97583724d93", kill_on_drop: false }`
[INFO] [stdout] f1177f1a5575a1cbf8cfa2322667de4369f865e4b13ffa3e0bead97583724d93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38fadc90190bf140ffeb87f10959ac41a91a89ca4e970bc4af915f979e88817d
[INFO] running `Command { std: "docker" "start" "-a" "38fadc90190bf140ffeb87f10959ac41a91a89ca4e970bc4af915f979e88817d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking qapi-spec v0.3.1
[INFO] [stderr]    Compiling qapi-parser v0.9.0
[INFO] [stderr]    Compiling qapi-codegen v0.9.0
[INFO] [stderr]    Compiling qapi-qmp v0.9.0 (/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,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=42659ed85ab171bb -C extra-filename=-42659ed85ab171bb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern qapi_spec=/opt/rustwide/target/debug/deps/libqapi_spec-9ff7df732f1280dc.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e5a7013aa0a43c7d.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "38fadc90190bf140ffeb87f10959ac41a91a89ca4e970bc4af915f979e88817d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38fadc90190bf140ffeb87f10959ac41a91a89ca4e970bc4af915f979e88817d", kill_on_drop: false }`
[INFO] [stdout] 38fadc90190bf140ffeb87f10959ac41a91a89ca4e970bc4af915f979e88817d