[INFO] cloning repository https://github.com/apiraino/test-81844
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apiraino/test-81844" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapiraino%2Ftest-81844", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapiraino%2Ftest-81844'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e9346e6dbf69d10e292d579a87cbd30b6ca1f0a
[INFO] checking apiraino/test-81844 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapiraino%2Ftest-81844" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/apiraino/test-81844 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/apiraino/test-81844
[INFO] finished tweaking git repo https://github.com/apiraino/test-81844
[INFO] tweaked toml for git repo https://github.com/apiraino/test-81844 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/apiraino/test-81844 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] b07ca4435a65ffebdeed766f5008f1cc6e54810fe41970bd97b600193c6f361d
[INFO] running `Command { std: "docker" "start" "-a" "b07ca4435a65ffebdeed766f5008f1cc6e54810fe41970bd97b600193c6f361d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b07ca4435a65ffebdeed766f5008f1cc6e54810fe41970bd97b600193c6f361d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07ca4435a65ffebdeed766f5008f1cc6e54810fe41970bd97b600193c6f361d", kill_on_drop: false }`
[INFO] [stdout] b07ca4435a65ffebdeed766f5008f1cc6e54810fe41970bd97b600193c6f361d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8de2c15fdbd2dc7b34513f32e765f94e03528d4212a3a903e8ec1f0998783a12
[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" "8de2c15fdbd2dc7b34513f32e765f94e03528d4212a3a903e8ec1f0998783a12", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking test-81844 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `test-81844`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name test_81844 --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=b4eb548424945ea0 -C extra-filename=-b4eb548424945ea0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-bf6a8c9e76b05084.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-a10cc7ea53978fe9.so --cap-lints=forbid` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8de2c15fdbd2dc7b34513f32e765f94e03528d4212a3a903e8ec1f0998783a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8de2c15fdbd2dc7b34513f32e765f94e03528d4212a3a903e8ec1f0998783a12", kill_on_drop: false }`
[INFO] [stdout] 8de2c15fdbd2dc7b34513f32e765f94e03528d4212a3a903e8ec1f0998783a12