[INFO] fetching crate qapi-qmp 0.7.0...
[INFO] checking qapi-qmp-0.7.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate qapi-qmp 0.7.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate qapi-qmp 0.7.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fcda4b02b06351e860bce99890ed985cdcca138102669289249487b14fd22875
[INFO] running `Command { std: "docker" "start" "-a" "fcda4b02b06351e860bce99890ed985cdcca138102669289249487b14fd22875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcda4b02b06351e860bce99890ed985cdcca138102669289249487b14fd22875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcda4b02b06351e860bce99890ed985cdcca138102669289249487b14fd22875", kill_on_drop: false }`
[INFO] [stdout] fcda4b02b06351e860bce99890ed985cdcca138102669289249487b14fd22875
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a257aff4fcfd7b83003b8a3f1b7ffc365126ff92deda8aecc11d4a8200278b1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4a257aff4fcfd7b83003b8a3f1b7ffc365126ff92deda8aecc11d4a8200278b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[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 --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=695f0b09d8aa8f60 -C extra-filename=-695f0b09d8aa8f60 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern qapi_spec=/opt/rustwide/target/debug/deps/libqapi_spec-9567e78dc8546672.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3d4070c67de8b194.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" "4a257aff4fcfd7b83003b8a3f1b7ffc365126ff92deda8aecc11d4a8200278b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a257aff4fcfd7b83003b8a3f1b7ffc365126ff92deda8aecc11d4a8200278b1", kill_on_drop: false }`
[INFO] [stdout] 4a257aff4fcfd7b83003b8a3f1b7ffc365126ff92deda8aecc11d4a8200278b1