[INFO] cloning repository https://github.com/c-o-l-o-r/serde_tuple_issue [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/c-o-l-o-r/serde_tuple_issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-o-l-o-r%2Fserde_tuple_issue", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-o-l-o-r%2Fserde_tuple_issue'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c1238873e453e21350d366fa01777b5178fe496a [INFO] checking c-o-l-o-r/serde_tuple_issue against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-o-l-o-r%2Fserde_tuple_issue" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/c-o-l-o-r/serde_tuple_issue on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/c-o-l-o-r/serde_tuple_issue [INFO] finished tweaking git repo https://github.com/c-o-l-o-r/serde_tuple_issue [INFO] tweaked toml for git repo https://github.com/c-o-l-o-r/serde_tuple_issue written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/c-o-l-o-r/serde_tuple_issue already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4829b7e4c4785f032c0672eb375f92f8a21a0599ac89146d375faab35fdfed8f [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" "4829b7e4c4785f032c0672eb375f92f8a21a0599ac89146d375faab35fdfed8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4829b7e4c4785f032c0672eb375f92f8a21a0599ac89146d375faab35fdfed8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4829b7e4c4785f032c0672eb375f92f8a21a0599ac89146d375faab35fdfed8f", kill_on_drop: false }` [INFO] [stdout] 4829b7e4c4785f032c0672eb375f92f8a21a0599ac89146d375faab35fdfed8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa1fba23845524e715ba844a52086cf47c18c6092cead9c5db8b172c4149cf26 [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" "aa1fba23845524e715ba844a52086cf47c18c6092cead9c5db8b172c4149cf26", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.28 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.32 [INFO] [stderr] Compiling serde v1.0.90 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling serde_derive v1.0.90 [INFO] [stderr] Compiling serde_tuple v0.2.5 [INFO] [stderr] Checking serde_tuple_issue v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' has overflowed its stack [INFO] [stderr] fatal runtime error: stack overflow [INFO] [stderr] [INFO] [stderr] thread 'rustc' has overflowed its stack [INFO] [stderr] fatal runtime error: stack overflow [INFO] [stderr] error: could not compile `serde_tuple_issue` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustc --crate-name serde_tuple_issue --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=e6616411845dedfe -C extra-filename=-e6616411845dedfe --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-8453f387fa0a3acc.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-455f41abf14a8931.so --extern serde_tuple=/opt/rustwide/target/debug/deps/libserde_tuple-3e876808cfd06f71.so --cap-lints=forbid` (signal: 6, SIGABRT: process abort signal) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "aa1fba23845524e715ba844a52086cf47c18c6092cead9c5db8b172c4149cf26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa1fba23845524e715ba844a52086cf47c18c6092cead9c5db8b172c4149cf26", kill_on_drop: false }` [INFO] [stdout] aa1fba23845524e715ba844a52086cf47c18c6092cead9c5db8b172c4149cf26