[INFO] fetching crate qapi-qmp 0.6.0...
[INFO] checking qapi-qmp-0.6.0 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate qapi-qmp 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate qapi-qmp 0.6.0 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qapi-qmp 0.6.0
[INFO] finished tweaking crates.io crate qapi-qmp 0.6.0
[INFO] tweaked toml for crates.io crate qapi-qmp 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 431f1dc2c27681a1b9ff137355c2cb86f97e435c0b2e06dca86c87e6f2bd0152
[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" "431f1dc2c27681a1b9ff137355c2cb86f97e435c0b2e06dca86c87e6f2bd0152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "431f1dc2c27681a1b9ff137355c2cb86f97e435c0b2e06dca86c87e6f2bd0152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431f1dc2c27681a1b9ff137355c2cb86f97e435c0b2e06dca86c87e6f2bd0152", kill_on_drop: false }`
[INFO] [stdout] 431f1dc2c27681a1b9ff137355c2cb86f97e435c0b2e06dca86c87e6f2bd0152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 454dcb7126441319ea49cca6af9c88a0c2d5640e05af2a5046f6aaf928b966a2
[INFO] running `Command { std: "docker" "start" "-a" "454dcb7126441319ea49cca6af9c88a0c2d5640e05af2a5046f6aaf928b966a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking qapi-spec v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling qapi-parser v0.5.0
[INFO] [stderr]    Compiling qapi-codegen v0.5.0
[INFO] [stderr]    Compiling qapi-qmp v0.6.0 (/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=cc7d97cd3b1901fc -C extra-filename=-cc7d97cd3b1901fc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern qapi_spec=/opt/rustwide/target/debug/deps/libqapi_spec-49829c70f423de8b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-68bf00aa92e292c1.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" "454dcb7126441319ea49cca6af9c88a0c2d5640e05af2a5046f6aaf928b966a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454dcb7126441319ea49cca6af9c88a0c2d5640e05af2a5046f6aaf928b966a2", kill_on_drop: false }`
[INFO] [stdout] 454dcb7126441319ea49cca6af9c88a0c2d5640e05af2a5046f6aaf928b966a2