[INFO] cloning repository https://github.com/Dmarcano/RustMazeSearch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dmarcano/RustMazeSearch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmarcano%2FRustMazeSearch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmarcano%2FRustMazeSearch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f53378f425494033de77c488499c351a68117f3e
[INFO] checking Dmarcano/RustMazeSearch against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDmarcano%2FRustMazeSearch" "/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/Dmarcano/RustMazeSearch on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dmarcano/RustMazeSearch
[INFO] finished tweaking git repo https://github.com/Dmarcano/RustMazeSearch
[INFO] tweaked toml for git repo https://github.com/Dmarcano/RustMazeSearch written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Dmarcano/RustMazeSearch 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f61a71d20d3a3a95edca1b6edbebdfdbad7d899c1b0424b66633a15c8c5ba8e3
[INFO] running `Command { std: "docker" "start" "-a" "f61a71d20d3a3a95edca1b6edbebdfdbad7d899c1b0424b66633a15c8c5ba8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f61a71d20d3a3a95edca1b6edbebdfdbad7d899c1b0424b66633a15c8c5ba8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f61a71d20d3a3a95edca1b6edbebdfdbad7d899c1b0424b66633a15c8c5ba8e3", kill_on_drop: false }`
[INFO] [stdout] f61a71d20d3a3a95edca1b6edbebdfdbad7d899c1b0424b66633a15c8c5ba8e3
[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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7d3fb07b64d05cfbabdbe601f16f72b1e9473da215c55cc306c69257f677040
[INFO] running `Command { std: "docker" "start" "-a" "d7d3fb07b64d05cfbabdbe601f16f72b1e9473da215c55cc306c69257f677040", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rust_maze_search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_end` is never used
[INFO] [stdout]   --> src/maze_solver/maze/mod.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait Maze<T> {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn get_end(&self) -> &T;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_end` is never used
[INFO] [stdout]   --> src/maze_solver/maze/mod.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait Maze<T> {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 36 |     fn get_end(&self) -> &T;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "d7d3fb07b64d05cfbabdbe601f16f72b1e9473da215c55cc306c69257f677040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d3fb07b64d05cfbabdbe601f16f72b1e9473da215c55cc306c69257f677040", kill_on_drop: false }`
[INFO] [stdout] d7d3fb07b64d05cfbabdbe601f16f72b1e9473da215c55cc306c69257f677040