[INFO] cloning repository https://github.com/mskd12/efficient-accumulators
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mskd12/efficient-accumulators" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmskd12%2Fefficient-accumulators", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmskd12%2Fefficient-accumulators'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c28059b638306a56f8eec64d51abe39e08d97049
[INFO] testing mskd12/efficient-accumulators/c28059b638306a56f8eec64d51abe39e08d97049 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmskd12%2Fefficient-accumulators" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mskd12/efficient-accumulators
[INFO] finished tweaking git repo https://github.com/mskd12/efficient-accumulators
[INFO] tweaked toml for git repo https://github.com/mskd12/efficient-accumulators written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mskd12/efficient-accumulators on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mskd12/efficient-accumulators 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37b97051bc551c11b7207051be8c288e6d24148ce789baa151a856d83771c545
[INFO] running `Command { std: "docker" "start" "-a" "37b97051bc551c11b7207051be8c288e6d24148ce789baa151a856d83771c545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b97051bc551c11b7207051be8c288e6d24148ce789baa151a856d83771c545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b97051bc551c11b7207051be8c288e6d24148ce789baa151a856d83771c545", kill_on_drop: false }`
[INFO] [stdout] 37b97051bc551c11b7207051be8c288e6d24148ce789baa151a856d83771c545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfe46b8e55293b86005fc79819b42bb1645379dba7d9c6389e3704c6cec9b71a
[INFO] running `Command { std: "docker" "start" "-a" "dfe46b8e55293b86005fc79819b42bb1645379dba7d9c6389e3704c6cec9b71a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
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[ERROR] error running command: command timed out after 900 seconds
[INFO] running `Command { std: "docker" "inspect" "dfe46b8e55293b86005fc79819b42bb1645379dba7d9c6389e3704c6cec9b71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe46b8e55293b86005fc79819b42bb1645379dba7d9c6389e3704c6cec9b71a", kill_on_drop: false }`
[INFO] [stdout] dfe46b8e55293b86005fc79819b42bb1645379dba7d9c6389e3704c6cec9b71a