[INFO] cloning repository https://github.com/dbrgn/prost-stackoverflow-reproducer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbrgn/prost-stackoverflow-reproducer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Fprost-stackoverflow-reproducer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Fprost-stackoverflow-reproducer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 09f51da62547742e2564543e93c713317b1f4ca4 [INFO] checking dbrgn/prost-stackoverflow-reproducer against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbrgn%2Fprost-stackoverflow-reproducer" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dbrgn/prost-stackoverflow-reproducer on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dbrgn/prost-stackoverflow-reproducer [INFO] finished tweaking git repo https://github.com/dbrgn/prost-stackoverflow-reproducer [INFO] tweaked toml for git repo https://github.com/dbrgn/prost-stackoverflow-reproducer written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/dbrgn/prost-stackoverflow-reproducer already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded prost-derive v0.6.0 [INFO] [stderr] Downloaded prost-types v0.6.0 [INFO] [stderr] Downloaded prost-build v0.6.0 [INFO] [stderr] Downloaded prost v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39d37e869b789e27eb52015eb5b25cba025ffcc2941cc0055cabeb0effb16789 [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" "39d37e869b789e27eb52015eb5b25cba025ffcc2941cc0055cabeb0effb16789", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39d37e869b789e27eb52015eb5b25cba025ffcc2941cc0055cabeb0effb16789", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39d37e869b789e27eb52015eb5b25cba025ffcc2941cc0055cabeb0effb16789", kill_on_drop: false }` [INFO] [stdout] 39d37e869b789e27eb52015eb5b25cba025ffcc2941cc0055cabeb0effb16789 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 52d5caa9942105965b7ff3a0062f272dcb4e2e1441b324e70365278dde09746d [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" "52d5caa9942105965b7ff3a0062f272dcb4e2e1441b324e70365278dde09746d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling bytes v0.5.3 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling multimap v0.4.0 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling backtrace v0.3.42 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling prost-build v0.6.0 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling prost-derive v0.6.0 [INFO] [stderr] Compiling prost v0.6.0 [INFO] [stderr] Compiling prost-types v0.6.0 [INFO] [stderr] Compiling prost-stackoverflow-reproducer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.80s [INFO] running `Command { std: "docker" "inspect" "52d5caa9942105965b7ff3a0062f272dcb4e2e1441b324e70365278dde09746d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52d5caa9942105965b7ff3a0062f272dcb4e2e1441b324e70365278dde09746d", kill_on_drop: false }` [INFO] [stdout] 52d5caa9942105965b7ff3a0062f272dcb4e2e1441b324e70365278dde09746d