[INFO] cloning repository https://github.com/questmaster/rust_sweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/questmaster/rust_sweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquestmaster%2Frust_sweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquestmaster%2Frust_sweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b27667c96983eb22d36bab24112866bd3a66a6a3
[INFO] checking questmaster/rust_sweeper against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquestmaster%2Frust_sweeper" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/questmaster/rust_sweeper on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/questmaster/rust_sweeper
[INFO] finished tweaking git repo https://github.com/questmaster/rust_sweeper
[INFO] tweaked toml for git repo https://github.com/questmaster/rust_sweeper written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/questmaster/rust_sweeper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2-sys v0.34.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 917bd901a58c4a927547b96138287a5ac524e139262b3a0c44c8de2e700785c1
[INFO] running `Command { std: "docker" "start" "-a" "917bd901a58c4a927547b96138287a5ac524e139262b3a0c44c8de2e700785c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "917bd901a58c4a927547b96138287a5ac524e139262b3a0c44c8de2e700785c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917bd901a58c4a927547b96138287a5ac524e139262b3a0c44c8de2e700785c1", kill_on_drop: false }`
[INFO] [stdout] 917bd901a58c4a927547b96138287a5ac524e139262b3a0c44c8de2e700785c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68e2aedb70691c8063ee1af282cc04824fdb08f0331d99c6fb75c9498ca7cb59
[INFO] running `Command { std: "docker" "start" "-a" "68e2aedb70691c8063ee1af282cc04824fdb08f0331d99c6fb75c9498ca7cb59", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]    Compiling rust_sweeper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sdl2-sys v0.34.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/game_area_ui/sdl_ui.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | use sdl2::rect::{Point, Rect};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/game_area_ui/sdl_ui.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | use sdl2::rect::{Point, Rect};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/lib.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut x = 0usize;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/lib.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut y = 0usize;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/game_area_ui/sdl_ui.rs:247:14
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let (x, y) = (0usize, 0usize);
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/game_area_ui/sdl_ui.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let (x, y) = (0usize, 0usize);
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/lib.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut x = 0usize;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/lib.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut y = 0usize;
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/game_area_ui/sdl_ui.rs:247:14
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let (x, y) = (0usize, 0usize);
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/game_area_ui/sdl_ui.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |         let (x, y) = (0usize, 0usize);
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unload_all`
[INFO] [stdout]   --> src/game_area_ui/sdl_ui.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn unload_all(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game_area_ui/sdl_ui.rs:212:17
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 canvas.draw_rects(&rect);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unload_all`
[INFO] [stdout]   --> src/game_area_ui/sdl_ui.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn unload_all(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game_area_ui/sdl_ui.rs:212:17
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 canvas.draw_rects(&rect);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.03s
[INFO] running `Command { std: "docker" "inspect" "68e2aedb70691c8063ee1af282cc04824fdb08f0331d99c6fb75c9498ca7cb59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e2aedb70691c8063ee1af282cc04824fdb08f0331d99c6fb75c9498ca7cb59", kill_on_drop: false }`
[INFO] [stdout] 68e2aedb70691c8063ee1af282cc04824fdb08f0331d99c6fb75c9498ca7cb59