[INFO] cloning repository https://github.com/karan-vk/nqueen-bruteforce
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/karan-vk/nqueen-bruteforce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaran-vk%2Fnqueen-bruteforce", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaran-vk%2Fnqueen-bruteforce'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26d51f8d3d4de571767c8ba71ca107f11240a52a
[INFO] building karan-vk/nqueen-bruteforce against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaran-vk%2Fnqueen-bruteforce" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/karan-vk/nqueen-bruteforce on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/karan-vk/nqueen-bruteforce
[INFO] finished tweaking git repo https://github.com/karan-vk/nqueen-bruteforce
[INFO] tweaked toml for git repo https://github.com/karan-vk/nqueen-bruteforce written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/karan-vk/nqueen-bruteforce 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91d2360bd3d87470c53e8ff0ac36c7e9065a50ff499eff682996bc194dcab20e
[INFO] running `Command { std: "docker" "start" "-a" "91d2360bd3d87470c53e8ff0ac36c7e9065a50ff499eff682996bc194dcab20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d2360bd3d87470c53e8ff0ac36c7e9065a50ff499eff682996bc194dcab20e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d2360bd3d87470c53e8ff0ac36c7e9065a50ff499eff682996bc194dcab20e", kill_on_drop: false }`
[INFO] [stdout] 91d2360bd3d87470c53e8ff0ac36c7e9065a50ff499eff682996bc194dcab20e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dc5c716e3c3e610b2406dbc0d607147ba6fdb3a20d1b4961e02b1e5bded2e3d
[INFO] running `Command { std: "docker" "start" "-a" "6dc5c716e3c3e610b2406dbc0d607147ba6fdb3a20d1b4961e02b1e5bded2e3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling nqueenbrute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "6dc5c716e3c3e610b2406dbc0d607147ba6fdb3a20d1b4961e02b1e5bded2e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc5c716e3c3e610b2406dbc0d607147ba6fdb3a20d1b4961e02b1e5bded2e3d", kill_on_drop: false }`
[INFO] [stdout] 6dc5c716e3c3e610b2406dbc0d607147ba6fdb3a20d1b4961e02b1e5bded2e3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 805f5b42517d276ca138c96e3e23878f5bedbcd0ff288259f4778426bfe8822e
[INFO] running `Command { std: "docker" "start" "-a" "805f5b42517d276ca138c96e3e23878f5bedbcd0ff288259f4778426bfe8822e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nqueenbrute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "805f5b42517d276ca138c96e3e23878f5bedbcd0ff288259f4778426bfe8822e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805f5b42517d276ca138c96e3e23878f5bedbcd0ff288259f4778426bfe8822e", kill_on_drop: false }`
[INFO] [stdout] 805f5b42517d276ca138c96e3e23878f5bedbcd0ff288259f4778426bfe8822e