[INFO] cloning repository https://github.com/Intrebute/mazeworld
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Intrebute/mazeworld" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIntrebute%2Fmazeworld", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIntrebute%2Fmazeworld'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b78b80bfca552130011be3ca2c98f00a76792e8
[INFO] checking Intrebute/mazeworld against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIntrebute%2Fmazeworld" "/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/Intrebute/mazeworld 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/Intrebute/mazeworld
[INFO] finished tweaking git repo https://github.com/Intrebute/mazeworld
[INFO] tweaked toml for git repo https://github.com/Intrebute/mazeworld written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Intrebute/mazeworld 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded partitions v0.2.4
[INFO] [stderr]   Downloaded tiny-skia-path v0.11.2
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded tiny-skia v0.11.2
[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] 2ce13926a36e721d3f7fd45da7554a976861e8c272f0a90ae4c73f6e79557072
[INFO] running `Command { std: "docker" "start" "-a" "2ce13926a36e721d3f7fd45da7554a976861e8c272f0a90ae4c73f6e79557072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ce13926a36e721d3f7fd45da7554a976861e8c272f0a90ae4c73f6e79557072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce13926a36e721d3f7fd45da7554a976861e8c272f0a90ae4c73f6e79557072", kill_on_drop: false }`
[INFO] [stdout] 2ce13926a36e721d3f7fd45da7554a976861e8c272f0a90ae4c73f6e79557072
[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] d29989682733e4d9323cbdb7fd2a6f595539d33e1f02ab5ceb6cd71fde4d77d6
[INFO] running `Command { std: "docker" "start" "-a" "d29989682733e4d9323cbdb7fd2a6f595539d33e1f02ab5ceb6cd71fde4d77d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling portable-atomic v1.5.1
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]     Checking tiny-skia-path v0.11.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tiny-skia v0.11.2
[INFO] [stderr]     Checking partitions v0.2.4
[INFO] [stderr]     Checking mazes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ProgressDrawTarget`, `ProgressIterator`
[INFO] [stdout]  --> src/pool.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use indicatif::{ProgressBar, ProgressIterator, ProgressDrawTarget};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProgressStyle`
[INFO] [stdout]  --> src/dijkstra.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use indicatif::{ProgressBar, ProgressStyle};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ProgressDrawTarget`, `ProgressIterator`
[INFO] [stdout]  --> src/pool.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use indicatif::{ProgressBar, ProgressIterator, ProgressDrawTarget};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Direction` is imported redundantly
[INFO] [stdout]    --> src/grid/walker.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |     use crate::grid::Direction;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 118 |
[INFO] [stdout] 119 |     use super::*;
[INFO] [stdout]     |         -------- the item `Direction` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProgressStyle`
[INFO] [stdout]  --> src/dijkstra.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use indicatif::{ProgressBar, ProgressStyle};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_count`
[INFO] [stdout]    --> src/pool.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let node_count = self.nodes.len();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/pool.rs:216:14
[INFO] [stdout]     |
[INFO] [stdout] 216 |         for (i, node) in self.nodes.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_count`
[INFO] [stdout]    --> src/pool.rs:215:13
[INFO] [stdout]     |
[INFO] [stdout] 215 |         let node_count = self.nodes.len();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_count`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/pool.rs:216:14
[INFO] [stdout]     |
[INFO] [stdout] 216 |         for (i, node) in self.nodes.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.44s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: partitions v0.2.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "d29989682733e4d9323cbdb7fd2a6f595539d33e1f02ab5ceb6cd71fde4d77d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29989682733e4d9323cbdb7fd2a6f595539d33e1f02ab5ceb6cd71fde4d77d6", kill_on_drop: false }`
[INFO] [stdout] d29989682733e4d9323cbdb7fd2a6f595539d33e1f02ab5ceb6cd71fde4d77d6