[INFO] cloning repository https://github.com/funcnet/n_queens_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/funcnet/n_queens_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuncnet%2Fn_queens_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuncnet%2Fn_queens_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e0730c503c298ece9fcfd433eb8f517d2645050
[INFO] testing funcnet/n_queens_rust against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuncnet%2Fn_queens_rust" "/workspace/builds/worker-78/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-78/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/funcnet/n_queens_rust on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/funcnet/n_queens_rust
[INFO] finished tweaking git repo https://github.com/funcnet/n_queens_rust
[INFO] tweaked toml for git repo https://github.com/funcnet/n_queens_rust written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fcda82442a42bae18bdbfca0499a57ccd042c386d293ff723b39006b593a57f
[INFO] running `Command { std: "docker" "start" "-a" "6fcda82442a42bae18bdbfca0499a57ccd042c386d293ff723b39006b593a57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fcda82442a42bae18bdbfca0499a57ccd042c386d293ff723b39006b593a57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fcda82442a42bae18bdbfca0499a57ccd042c386d293ff723b39006b593a57f", kill_on_drop: false }`
[INFO] [stdout] 6fcda82442a42bae18bdbfca0499a57ccd042c386d293ff723b39006b593a57f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f891ddbcf8fb3835f988e53abb9dea602c9ab33ee580053ca1d7b05aec5a86ab
[INFO] running `Command { std: "docker" "start" "-a" "f891ddbcf8fb3835f988e53abb9dea602c9ab33ee580053ca1d7b05aec5a86ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling n_queens_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "f891ddbcf8fb3835f988e53abb9dea602c9ab33ee580053ca1d7b05aec5a86ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f891ddbcf8fb3835f988e53abb9dea602c9ab33ee580053ca1d7b05aec5a86ab", kill_on_drop: false }`
[INFO] [stdout] f891ddbcf8fb3835f988e53abb9dea602c9ab33ee580053ca1d7b05aec5a86ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6ff9a4f22a41aa8a226d1166a2e3ac9a1b577af1e9d2c9ddefa637616de997c
[INFO] running `Command { std: "docker" "start" "-a" "f6ff9a4f22a41aa8a226d1166a2e3ac9a1b577af1e9d2c9ddefa637616de997c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling n_queens_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/n_queens_rust-b1d6c9b02f7dadb5)
[INFO] running `Command { std: "docker" "inspect" "f6ff9a4f22a41aa8a226d1166a2e3ac9a1b577af1e9d2c9ddefa637616de997c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6ff9a4f22a41aa8a226d1166a2e3ac9a1b577af1e9d2c9ddefa637616de997c", kill_on_drop: false }`
[INFO] [stdout] f6ff9a4f22a41aa8a226d1166a2e3ac9a1b577af1e9d2c9ddefa637616de997c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0d32830542a0063c47e2a93d7cb188bcdd84d7a55ad9327d1a7cd0bb506a708
[INFO] running `Command { std: "docker" "start" "-a" "d0d32830542a0063c47e2a93d7cb188bcdd84d7a55ad9327d1a7cd0bb506a708", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "d0d32830542a0063c47e2a93d7cb188bcdd84d7a55ad9327d1a7cd0bb506a708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d32830542a0063c47e2a93d7cb188bcdd84d7a55ad9327d1a7cd0bb506a708", kill_on_drop: false }`
[INFO] [stdout] d0d32830542a0063c47e2a93d7cb188bcdd84d7a55ad9327d1a7cd0bb506a708