[INFO] cloning repository https://github.com/jrforrest/rustnqueens
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrforrest/rustnqueens" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrforrest%2Frustnqueens", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrforrest%2Frustnqueens'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57d595004bbfda907263040f21e8be7898264d8c
[INFO] testing jrforrest/rustnqueens against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrforrest%2Frustnqueens" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jrforrest/rustnqueens on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jrforrest/rustnqueens
[INFO] finished tweaking git repo https://github.com/jrforrest/rustnqueens
[INFO] tweaked toml for git repo https://github.com/jrforrest/rustnqueens written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jrforrest/rustnqueens already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bit-set v0.2.0
[INFO] [stderr]   Downloaded ncurses v5.85.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.0.1
[INFO] [stderr]   Downloaded chan-signal v0.1.7
[INFO] [stderr]   Downloaded chan v0.1.18
[INFO] [stderr]   Downloaded cursive v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 327d27afb87b6e959efc728744c970ec1225b1d804880e5ccb776736986447f2
[INFO] running `Command { std: "docker" "start" "-a" "327d27afb87b6e959efc728744c970ec1225b1d804880e5ccb776736986447f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "327d27afb87b6e959efc728744c970ec1225b1d804880e5ccb776736986447f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327d27afb87b6e959efc728744c970ec1225b1d804880e5ccb776736986447f2", kill_on_drop: false }`
[INFO] [stdout] 327d27afb87b6e959efc728744c970ec1225b1d804880e5ccb776736986447f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14d4b81de0034c8a5be5f3eb3059873c5b0460f65d0ee5353118bfdd69afe365
[INFO] running `Command { std: "docker" "start" "-a" "14d4b81de0034c8a5be5f3eb3059873c5b0460f65d0ee5353118bfdd69afe365", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling bit-vec v0.4.3
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling cursive v0.3.7
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.0.1
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling bit-set v0.2.0
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling ncurses v5.85.0
[INFO] [stderr]    Compiling chan v0.1.18
[INFO] [stderr]    Compiling chan-signal v0.1.7
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.35
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling rustnqueens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `Command { std: "docker" "inspect" "14d4b81de0034c8a5be5f3eb3059873c5b0460f65d0ee5353118bfdd69afe365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d4b81de0034c8a5be5f3eb3059873c5b0460f65d0ee5353118bfdd69afe365", kill_on_drop: false }`
[INFO] [stdout] 14d4b81de0034c8a5be5f3eb3059873c5b0460f65d0ee5353118bfdd69afe365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dce3eaa210b25f8d3ebd2d6e3ec1b6835006a8b6a8741f76bd6205774f768ca
[INFO] running `Command { std: "docker" "start" "-a" "8dce3eaa210b25f8d3ebd2d6e3ec1b6835006a8b6a8741f76bd6205774f768ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustnqueens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `from_board` found for struct `Solution` in the current scope
[INFO] [stdout]   --> src/solution.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct Solution {
[INFO] [stdout]    | ------------------- function or associated item `from_board` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 48 |     let solution = Solution::from_board(&board);
[INFO] [stdout]    |                              ^^^^^^^^^^ function or associated item not found in `Solution`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustnqueens` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8dce3eaa210b25f8d3ebd2d6e3ec1b6835006a8b6a8741f76bd6205774f768ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dce3eaa210b25f8d3ebd2d6e3ec1b6835006a8b6a8741f76bd6205774f768ca", kill_on_drop: false }`
[INFO] [stdout] 8dce3eaa210b25f8d3ebd2d6e3ec1b6835006a8b6a8741f76bd6205774f768ca