[INFO] cloning repository https://github.com/camccar/nqueens
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camccar/nqueens" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamccar%2Fnqueens", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamccar%2Fnqueens'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00e85a502608fe6ee6ac2d5906ba55f321f4d6fb
[INFO] testing camccar/nqueens against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamccar%2Fnqueens" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camccar/nqueens on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/camccar/nqueens
[INFO] finished tweaking git repo https://github.com/camccar/nqueens
[INFO] tweaked toml for git repo https://github.com/camccar/nqueens written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/camccar/nqueens already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8000aef5fd4933c660589d5dd0b1a6578b70067dcb55bca42d5c3193f8cb139d
[INFO] running `Command { std: "docker" "start" "-a" "8000aef5fd4933c660589d5dd0b1a6578b70067dcb55bca42d5c3193f8cb139d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8000aef5fd4933c660589d5dd0b1a6578b70067dcb55bca42d5c3193f8cb139d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8000aef5fd4933c660589d5dd0b1a6578b70067dcb55bca42d5c3193f8cb139d", kill_on_drop: false }`
[INFO] [stdout] 8000aef5fd4933c660589d5dd0b1a6578b70067dcb55bca42d5c3193f8cb139d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe0718e962c7f58b12b8a9f5e95eaaa325a850c2a58ec3d8a5dd4b42c95064fa
[INFO] running `Command { std: "docker" "start" "-a" "fe0718e962c7f58b12b8a9f5e95eaaa325a850c2a58ec3d8a5dd4b42c95064fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nqueens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `printqueens`
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn printqueens(input:&Vec<Vec<i32>>){
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.77s
[INFO] running `Command { std: "docker" "inspect" "fe0718e962c7f58b12b8a9f5e95eaaa325a850c2a58ec3d8a5dd4b42c95064fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe0718e962c7f58b12b8a9f5e95eaaa325a850c2a58ec3d8a5dd4b42c95064fa", kill_on_drop: false }`
[INFO] [stdout] fe0718e962c7f58b12b8a9f5e95eaaa325a850c2a58ec3d8a5dd4b42c95064fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0b6a4bc616cd28475a2432962e4dc57db5334dcb3a758fcdf09d8ac4562ef1c
[INFO] running `Command { std: "docker" "start" "-a" "a0b6a4bc616cd28475a2432962e4dc57db5334dcb3a758fcdf09d8ac4562ef1c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nqueens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `printqueens`
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn printqueens(input:&Vec<Vec<i32>>){
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "a0b6a4bc616cd28475a2432962e4dc57db5334dcb3a758fcdf09d8ac4562ef1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0b6a4bc616cd28475a2432962e4dc57db5334dcb3a758fcdf09d8ac4562ef1c", kill_on_drop: false }`
[INFO] [stdout] a0b6a4bc616cd28475a2432962e4dc57db5334dcb3a758fcdf09d8ac4562ef1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3dc21d722d2f73c55f11536acd904efbf5a5dc3bf75f80b6a435632bee53f0a3
[INFO] running `Command { std: "docker" "start" "-a" "3dc21d722d2f73c55f11536acd904efbf5a5dc3bf75f80b6a435632bee53f0a3", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `printqueens`
[INFO] [stderr]   --> src/main.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn printqueens(input:&Vec<Vec<i32>>){
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nqueens` (bin "nqueens" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nqueens-4a8e2cfc1d12a475)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3dc21d722d2f73c55f11536acd904efbf5a5dc3bf75f80b6a435632bee53f0a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc21d722d2f73c55f11536acd904efbf5a5dc3bf75f80b6a435632bee53f0a3", kill_on_drop: false }`
[INFO] [stdout] 3dc21d722d2f73c55f11536acd904efbf5a5dc3bf75f80b6a435632bee53f0a3