[INFO] cloning repository https://github.com/muhuk/z-buffer-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muhuk/z-buffer-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuhuk%2Fz-buffer-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuhuk%2Fz-buffer-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fae6a8f119656625c9ae013f5b30af3feacf56db
[INFO] checking muhuk/z-buffer-game against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuhuk%2Fz-buffer-game" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/muhuk/z-buffer-game on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/muhuk/z-buffer-game
[INFO] finished tweaking git repo https://github.com/muhuk/z-buffer-game
[INFO] tweaked toml for git repo https://github.com/muhuk/z-buffer-game written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/muhuk/z-buffer-game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d0b8bedf571f91c5575e53438e8b21b52cee0df82168d199c6ec40dcd14e879
[INFO] running `Command { std: "docker" "start" "-a" "6d0b8bedf571f91c5575e53438e8b21b52cee0df82168d199c6ec40dcd14e879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d0b8bedf571f91c5575e53438e8b21b52cee0df82168d199c6ec40dcd14e879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0b8bedf571f91c5575e53438e8b21b52cee0df82168d199c6ec40dcd14e879", kill_on_drop: false }`
[INFO] [stdout] 6d0b8bedf571f91c5575e53438e8b21b52cee0df82168d199c6ec40dcd14e879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 063d0a7e5d2539ec14c5830b99115d370411a7c95e81fb74bf6a82041a9157cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "063d0a7e5d2539ec14c5830b99115d370411a7c95e81fb74bf6a82041a9157cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking arrayvec v0.4.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[INFO] [stderr]     Checking bluenoisers v1.1.1
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking shred v0.7.2
[INFO] [stderr]     Checking hibitset v0.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling specs-derive v0.4.0
[INFO] [stderr]     Checking specs v0.14.3
[INFO] [stderr]     Checking tcod v0.15.0
[INFO] [stderr]     Checking serde v1.0.98
[INFO] [stderr]     Checking z-buffer-game v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `intersect`
[INFO] [stdout]   --> src/data/rectangle.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn intersect(self, other: Rectangle) -> Option<Rectangle> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `center`
[INFO] [stdout]   --> src/data/rectangle.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn center(self) -> Location {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fps`
[INFO] [stdout]   --> src/ui.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fps: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fps`
[INFO] [stdout]   --> src/ui.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fps: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "063d0a7e5d2539ec14c5830b99115d370411a7c95e81fb74bf6a82041a9157cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "063d0a7e5d2539ec14c5830b99115d370411a7c95e81fb74bf6a82041a9157cc", kill_on_drop: false }`
[INFO] [stdout] 063d0a7e5d2539ec14c5830b99115d370411a7c95e81fb74bf6a82041a9157cc