[INFO] cloning repository https://github.com/DRvader/rust-stack-overflow [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DRvader/rust-stack-overflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDRvader%2Frust-stack-overflow", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDRvader%2Frust-stack-overflow'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 652f21f5c606780a781e1c31a71d915e32375b31 [INFO] testing DRvader/rust-stack-overflow against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDRvader%2Frust-stack-overflow" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DRvader/rust-stack-overflow on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DRvader/rust-stack-overflow [INFO] finished tweaking git repo https://github.com/DRvader/rust-stack-overflow [INFO] tweaked toml for git repo https://github.com/DRvader/rust-stack-overflow written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/DRvader/rust-stack-overflow already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7fddbd48a50711ec9ea2ccbc061fa91a1dd2ad915acc5e69b6e3392441917aea [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" "7fddbd48a50711ec9ea2ccbc061fa91a1dd2ad915acc5e69b6e3392441917aea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7fddbd48a50711ec9ea2ccbc061fa91a1dd2ad915acc5e69b6e3392441917aea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fddbd48a50711ec9ea2ccbc061fa91a1dd2ad915acc5e69b6e3392441917aea", kill_on_drop: false }` [INFO] [stdout] 7fddbd48a50711ec9ea2ccbc061fa91a1dd2ad915acc5e69b6e3392441917aea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 14af8ebf28e14d9b6335045689a1b1edc237b8bf95d3ac997943dda3cb03e67f [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" "14af8ebf28e14d9b6335045689a1b1edc237b8bf95d3ac997943dda3cb03e67f", kill_on_drop: false }` [INFO] [stderr] Compiling rust-stack-overflow v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `rust-stack-overflow` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name rust_stack_overflow --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=483d568623544c7d -C extra-filename=-483d568623544c7d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (signal: 11, SIGSEGV: invalid memory reference) [INFO] running `Command { std: "docker" "inspect" "14af8ebf28e14d9b6335045689a1b1edc237b8bf95d3ac997943dda3cb03e67f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14af8ebf28e14d9b6335045689a1b1edc237b8bf95d3ac997943dda3cb03e67f", kill_on_drop: false }` [INFO] [stdout] 14af8ebf28e14d9b6335045689a1b1edc237b8bf95d3ac997943dda3cb03e67f