[INFO] cloning repository https://github.com/scooter-dangle/compatible-enum-serializations [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scooter-dangle/compatible-enum-serializations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscooter-dangle%2Fcompatible-enum-serializations", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscooter-dangle%2Fcompatible-enum-serializations'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 88f2fef92166267922c1d8177f29eb272f4eb6d6 [INFO] checking scooter-dangle/compatible-enum-serializations against master#d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee for pr-127481-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscooter-dangle%2Fcompatible-enum-serializations" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/scooter-dangle/compatible-enum-serializations on toolchain d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/scooter-dangle/compatible-enum-serializations [INFO] finished tweaking git repo https://github.com/scooter-dangle/compatible-enum-serializations [INFO] tweaked toml for git repo https://github.com/scooter-dangle/compatible-enum-serializations written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/scooter-dangle/compatible-enum-serializations already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking scooter-dangle/compatible-enum-serializations against try#3d1ad905b56a11961be37df7dc5e56be58204dd8 for pr-127481-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscooter-dangle%2Fcompatible-enum-serializations" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/scooter-dangle/compatible-enum-serializations on toolchain 3d1ad905b56a11961be37df7dc5e56be58204dd8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/scooter-dangle/compatible-enum-serializations [INFO] finished tweaking git repo https://github.com/scooter-dangle/compatible-enum-serializations [INFO] tweaked toml for git repo https://github.com/scooter-dangle/compatible-enum-serializations written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/scooter-dangle/compatible-enum-serializations already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde v1.0.17 [INFO] [stderr] Downloaded serde_derive v1.0.17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92c0c3f951b4dbf5e3534b731356f4cdab683affb025d03fd17dde7656833cc2 [INFO] running `Command { std: "docker" "start" "-a" "92c0c3f951b4dbf5e3534b731356f4cdab683affb025d03fd17dde7656833cc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92c0c3f951b4dbf5e3534b731356f4cdab683affb025d03fd17dde7656833cc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92c0c3f951b4dbf5e3534b731356f4cdab683affb025d03fd17dde7656833cc2", kill_on_drop: false }` [INFO] [stdout] 92c0c3f951b4dbf5e3534b731356f4cdab683affb025d03fd17dde7656833cc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b5c4f8bfa3cd5d4c6f75f4b08f888577973168452ced7c05d69bcb9bece8348 [INFO] running `Command { std: "docker" "start" "-a" "4b5c4f8bfa3cd5d4c6f75f4b08f888577973168452ced7c05d69bcb9bece8348", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking serde v1.0.17 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling serde_derive_internals v0.16.0 [INFO] [stderr] Compiling serde_derive v1.0.17 [INFO] [stderr] Checking bincode v0.9.2 [INFO] [stderr] Checking compatible-enums v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.71s [INFO] running `Command { std: "docker" "inspect" "4b5c4f8bfa3cd5d4c6f75f4b08f888577973168452ced7c05d69bcb9bece8348", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b5c4f8bfa3cd5d4c6f75f4b08f888577973168452ced7c05d69bcb9bece8348", kill_on_drop: false }` [INFO] [stdout] 4b5c4f8bfa3cd5d4c6f75f4b08f888577973168452ced7c05d69bcb9bece8348