[INFO] cloning repository https://github.com/fredhsu/handsonrust-dungeoncrawler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fredhsu/handsonrust-dungeoncrawler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Fhandsonrust-dungeoncrawler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Fhandsonrust-dungeoncrawler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b35051be97bda691683d5ebd1120529f62dfcb1e
[INFO] checking fredhsu/handsonrust-dungeoncrawler against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredhsu%2Fhandsonrust-dungeoncrawler" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fredhsu/handsonrust-dungeoncrawler on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fredhsu/handsonrust-dungeoncrawler
[INFO] finished tweaking git repo https://github.com/fredhsu/handsonrust-dungeoncrawler
[INFO] tweaked toml for git repo https://github.com/fredhsu/handsonrust-dungeoncrawler written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fredhsu/handsonrust-dungeoncrawler 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs v3.0.2
[INFO] [stderr]   Downloaded libloading v0.7.2
[INFO] [stderr]   Downloaded xdg v2.4.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.34
[INFO] [stderr]   Downloaded syn v1.0.83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3105ea017b57e478f749a344ab75bf3a1bcba8d7c1acf5fb4f18fa1f8729c5cb
[INFO] running `Command { std: "docker" "start" "-a" "3105ea017b57e478f749a344ab75bf3a1bcba8d7c1acf5fb4f18fa1f8729c5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3105ea017b57e478f749a344ab75bf3a1bcba8d7c1acf5fb4f18fa1f8729c5cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3105ea017b57e478f749a344ab75bf3a1bcba8d7c1acf5fb4f18fa1f8729c5cb", kill_on_drop: false }`
[INFO] [stdout] 3105ea017b57e478f749a344ab75bf3a1bcba8d7c1acf5fb4f18fa1f8729c5cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8f92349c7527cd84192b25b9e302885d6b0c2347b94dc01c8eb30aea02b37db
[INFO] running `Command { std: "docker" "start" "-a" "c8f92349c7527cd84192b25b9e302885d6b0c2347b94dc01c8eb30aea02b37db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking libloading v0.7.2
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.5
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking raw-window-handle v0.4.2
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking wide v0.6.5
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[INFO] [stderr]    Compiling quote v1.0.10
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[INFO] [stderr]    Compiling wayland-scanner v0.28.6
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[INFO] [stderr]     Checking bracket-color v0.8.2
[INFO] [stderr]     Checking object-pool v0.5.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]     Checking mio-extras v2.0.6
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[INFO] [stderr]     Checking bracket-noise v0.8.2
[INFO] [stderr]     Checking bracket-geometry v0.8.3
[INFO] [stderr]     Checking bracket-algorithm-traits v0.8.2
[INFO] [stderr]     Checking bracket-pathfinding v0.8.4
[INFO] [stderr]     Checking glutin_glx_sys v0.1.7
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking wayland-egl v0.28.6
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[INFO] [stderr]     Checking bracket-terminal v0.8.5
[INFO] [stderr]     Checking bracket-lib v0.8.1
[INFO] [stderr]     Checking dungeoncrawl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Wall` is never constructed
[INFO] [stdout]  --> src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum TileType {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 7 |     Wall,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TileType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Wall` is never constructed
[INFO] [stdout]  --> src/map.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum TileType {
[INFO] [stdout]   |          -------- variant in this enum
[INFO] [stdout] 7 |     Wall,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TileType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[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 10.52s
[INFO] running `Command { std: "docker" "inspect" "c8f92349c7527cd84192b25b9e302885d6b0c2347b94dc01c8eb30aea02b37db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f92349c7527cd84192b25b9e302885d6b0c2347b94dc01c8eb30aea02b37db", kill_on_drop: false }`
[INFO] [stdout] c8f92349c7527cd84192b25b9e302885d6b0c2347b94dc01c8eb30aea02b37db