[INFO] fetching crate rtdlib 0.6.3...
[INFO] checking rtdlib-0.6.3 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate rtdlib 0.6.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rtdlib 0.6.3 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtdlib 0.6.3
[INFO] finished tweaking crates.io crate rtdlib 0.6.3
[INFO] tweaked toml for crates.io crate rtdlib 0.6.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c532c61973a3f6d96704486c5be95dea7bf87a6e92094acf305cd04be33d9a54
[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" "c532c61973a3f6d96704486c5be95dea7bf87a6e92094acf305cd04be33d9a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c532c61973a3f6d96704486c5be95dea7bf87a6e92094acf305cd04be33d9a54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c532c61973a3f6d96704486c5be95dea7bf87a6e92094acf305cd04be33d9a54", kill_on_drop: false }`
[INFO] [stdout] c532c61973a3f6d96704486c5be95dea7bf87a6e92094acf305cd04be33d9a54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] d2fb0afb0dea047d81a77a9f4692320b87a397decfa0ca456f913bcb603ddddb
[INFO] running `Command { std: "docker" "start" "-a" "d2fb0afb0dea047d81a77a9f4692320b87a397decfa0ca456f913bcb603ddddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking serde-aux v0.6.1
[INFO] [stderr]     Checking rtdlib v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rtdlib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rtdlib --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 --cfg 'feature="default"' -C metadata=f1dcd41a9d9075d4 -C extra-filename=-f1dcd41a9d9075d4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-e38050f61901d09b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-43a82aaa02138b53.rmeta --extern serde_aux=/opt/rustwide/target/debug/deps/libserde_aux-94dccf411236ed79.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-e35a7b6737f2b97b.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9539f5587707441b.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" "d2fb0afb0dea047d81a77a9f4692320b87a397decfa0ca456f913bcb603ddddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fb0afb0dea047d81a77a9f4692320b87a397decfa0ca456f913bcb603ddddb", kill_on_drop: false }`
[INFO] [stdout] d2fb0afb0dea047d81a77a9f4692320b87a397decfa0ca456f913bcb603ddddb