[INFO] cloning repository https://github.com/infi/infi-minesweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/infi/infi-minesweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfi%2Finfi-minesweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfi%2Finfi-minesweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c551d5de61551381da23545af0a12a691120e64
[INFO] checking infi/infi-minesweeper against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfi%2Finfi-minesweeper" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/infi/infi-minesweeper 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/infi/infi-minesweeper
[INFO] finished tweaking git repo https://github.com/infi/infi-minesweeper
[INFO] tweaked toml for git repo https://github.com/infi/infi-minesweeper written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/infi/infi-minesweeper 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 dasp_frame v0.11.0
[INFO] [stderr]   Downloaded audir-sles v0.1.0
[INFO] [stderr]   Downloaded ogg v0.7.1
[INFO] [stderr]   Downloaded miniquad v0.3.0-alpha.37
[INFO] [stderr]   Downloaded macroquad_macro v0.1.6
[INFO] [stderr]   Downloaded quad-alsa-sys v0.3.2
[INFO] [stderr]   Downloaded sapp-wasm v0.1.26
[INFO] [stderr]   Downloaded sapp-windows v0.2.18
[INFO] [stderr]   Downloaded sapp-android v0.1.8
[INFO] [stderr]   Downloaded sapp-ios v0.1.2
[INFO] [stderr]   Downloaded fontdue v0.5.2
[INFO] [stderr]   Downloaded glam v0.14.0
[INFO] [stderr]   Downloaded sapp-darwin v0.1.6
[INFO] [stderr]   Downloaded sapp-dummy v0.1.5
[INFO] [stderr]   Downloaded macroquad v0.3.9
[INFO] [stderr]   Downloaded quad-snd v0.2.2
[INFO] [stderr]   Downloaded sapp-linux v0.1.13
[INFO] [stderr]   Downloaded audrey v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 17ef4990b4c3d5e30df0c797870d63618d4625d92b7f30e1ec4a576bfc71e353
[INFO] running `Command { std: "docker" "start" "-a" "17ef4990b4c3d5e30df0c797870d63618d4625d92b7f30e1ec4a576bfc71e353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17ef4990b4c3d5e30df0c797870d63618d4625d92b7f30e1ec4a576bfc71e353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ef4990b4c3d5e30df0c797870d63618d4625d92b7f30e1ec4a576bfc71e353", kill_on_drop: false }`
[INFO] [stdout] 17ef4990b4c3d5e30df0c797870d63618d4625d92b7f30e1ec4a576bfc71e353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 445a3c4f8c8fbfa88a84f7363aaa99eb2dd7f3b7badd8f629d02a38ea49ce4f8
[INFO] running `Command { std: "docker" "start" "-a" "445a3c4f8c8fbfa88a84f7363aaa99eb2dd7f3b7badd8f629d02a38ea49ce4f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling quad-alsa-sys v0.3.2
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]    Compiling sapp-linux v0.1.13
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling quad-snd v0.2.2
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking glam v0.14.0
[INFO] [stderr]    Compiling macroquad_macro v0.1.6
[INFO] [stderr]     Checking quad-rand v0.2.1
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking bumpalo v3.7.0
[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking fontdue v0.5.2
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking audrey v0.3.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking miniquad v0.3.0-alpha.37
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking macroquad v0.3.9
[INFO] [stderr]     Checking infi-minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> src/textures.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{self, GenericImageView, ImageBuffer, ImageFormat, Rgba, RgbaImage};
[INFO] [stdout]   |             ^^^^ the item `image` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> src/textures.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{self, GenericImageView, ImageBuffer, ImageFormat, Rgba, RgbaImage};
[INFO] [stdout]   |             ^^^^ the item `image` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/algo.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut tile = &mut board.itself[y][x];
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/algo.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut tile = &mut board.itself[y][x];
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.79s
[INFO] running `Command { std: "docker" "inspect" "445a3c4f8c8fbfa88a84f7363aaa99eb2dd7f3b7badd8f629d02a38ea49ce4f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445a3c4f8c8fbfa88a84f7363aaa99eb2dd7f3b7badd8f629d02a38ea49ce4f8", kill_on_drop: false }`
[INFO] [stdout] 445a3c4f8c8fbfa88a84f7363aaa99eb2dd7f3b7badd8f629d02a38ea49ce4f8
[INFO] checking infi/infi-minesweeper against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfi%2Finfi-minesweeper" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/infi/infi-minesweeper on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/infi/infi-minesweeper
[INFO] finished tweaking git repo https://github.com/infi/infi-minesweeper
[INFO] tweaked toml for git repo https://github.com/infi/infi-minesweeper written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/infi/infi-minesweeper 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4485fd10be0e62ddf5ad80bbc7ef0ae33d7f3956dd37c6ec654bcc9f2367070b
[INFO] running `Command { std: "docker" "start" "-a" "4485fd10be0e62ddf5ad80bbc7ef0ae33d7f3956dd37c6ec654bcc9f2367070b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4485fd10be0e62ddf5ad80bbc7ef0ae33d7f3956dd37c6ec654bcc9f2367070b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4485fd10be0e62ddf5ad80bbc7ef0ae33d7f3956dd37c6ec654bcc9f2367070b", kill_on_drop: false }`
[INFO] [stdout] 4485fd10be0e62ddf5ad80bbc7ef0ae33d7f3956dd37c6ec654bcc9f2367070b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6460ee69338b712486bd38ecd186013743a70764820fa4b43dcee5b97c51ce38
[INFO] running `Command { std: "docker" "start" "-a" "6460ee69338b712486bd38ecd186013743a70764820fa4b43dcee5b97c51ce38", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling quad-alsa-sys v0.3.2
[INFO] [stderr]     Checking ogg v0.7.1
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]    Compiling sapp-linux v0.1.13
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling quad-snd v0.2.2
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking ttf-parser v0.12.3
[INFO] [stderr]     Checking glam v0.14.0
[INFO] [stderr]     Checking quad-rand v0.2.1
[INFO] [stderr]     Checking bumpalo v3.7.0
[INFO] [stderr]    Compiling macroquad_macro v0.1.6
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking audrey v0.3.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking fontdue v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking miniquad v0.3.0-alpha.37
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking macroquad v0.3.9
[INFO] [stderr]     Checking infi-minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> src/textures.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{self, GenericImageView, ImageBuffer, ImageFormat, Rgba, RgbaImage};
[INFO] [stdout]   |             ^^^^ the item `image` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `image` is imported redundantly
[INFO] [stdout]  --> src/textures.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use image::{self, GenericImageView, ImageBuffer, ImageFormat, Rgba, RgbaImage};
[INFO] [stdout]   |             ^^^^ the item `image` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/algo.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut tile = &mut board.itself[y][x];
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/algo.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut tile = &mut board.itself[y][x];
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.21s
[INFO] running `Command { std: "docker" "inspect" "6460ee69338b712486bd38ecd186013743a70764820fa4b43dcee5b97c51ce38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6460ee69338b712486bd38ecd186013743a70764820fa4b43dcee5b97c51ce38", kill_on_drop: false }`
[INFO] [stdout] 6460ee69338b712486bd38ecd186013743a70764820fa4b43dcee5b97c51ce38