[INFO] updating cached repository https://github.com/foeb/voyage
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bab40778ee889f9fea7c28b42ebd3e62e3822a6
[INFO] checking foeb/voyage against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffoeb%2Fvoyage" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/foeb/voyage on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/foeb/voyage
[INFO] finished tweaking git repo https://github.com/foeb/voyage
[INFO] tweaked toml for git repo https://github.com/foeb/voyage written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/foeb/voyage already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c535fd45ecd8812141aaced8a9ccbdc1887cf6b8dff671fd27c3270cc58dfba
[INFO] running `"docker" "start" "-a" "1c535fd45ecd8812141aaced8a9ccbdc1887cf6b8dff671fd27c3270cc58dfba"`
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking reexport-proc-macro v1.0.5
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling ncurses v5.93.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking enumset v0.3.11
[INFO] [stderr]    Compiling shred-derive v0.5.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking ndarray v0.11.2
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking shrev v1.0.1
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking shred v0.7.0
[INFO] [stderr]     Checking hibitset v0.5.0
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]     Checking specs v0.12.0
[INFO] [stderr]     Checking enum-map v0.2.36
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking cursive v0.8.2
[INFO] [stderr]     Checking boundless_voyage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut world = World::new();
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_world`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut world = World::new();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WALL`
[INFO] [stderr]   --> src/map.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | / pub const WALL: MapTile = MapTile {
[INFO] [stderr] 23 | |     ch: '#',
[INFO] [stderr] 24 | |     foreground: Color::Dark(BaseColor::Yellow),
[INFO] [stderr] 25 | |     background: Color::Dark(BaseColor::Black),
[INFO] [stderr] 26 | |     blocks_movement: true,
[INFO] [stderr] 27 | |     blocks_sight: true,
[INFO] [stderr] 28 | | };
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut world = World::new();
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_world`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut world = World::new();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WALL`
[INFO] [stderr]   --> src/map.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | / pub const WALL: MapTile = MapTile {
[INFO] [stderr] 23 | |     ch: '#',
[INFO] [stderr] 24 | |     foreground: Color::Dark(BaseColor::Yellow),
[INFO] [stderr] 25 | |     background: Color::Dark(BaseColor::Black),
[INFO] [stderr] 26 | |     blocks_movement: true,
[INFO] [stderr] 27 | |     blocks_sight: true,
[INFO] [stderr] 28 | | };
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.47s
[INFO] running `"docker" "inspect" "1c535fd45ecd8812141aaced8a9ccbdc1887cf6b8dff671fd27c3270cc58dfba"`
[INFO] running `"docker" "rm" "-f" "1c535fd45ecd8812141aaced8a9ccbdc1887cf6b8dff671fd27c3270cc58dfba"`
[INFO] [stdout] 1c535fd45ecd8812141aaced8a9ccbdc1887cf6b8dff671fd27c3270cc58dfba