[INFO] cloning repository https://github.com/danreeves/png-reader [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danreeves/png-reader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanreeves%2Fpng-reader", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanreeves%2Fpng-reader'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7ffe9c9b0f2015386ac00e6c8abb6af684e3fa35 [INFO] checking danreeves/png-reader against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanreeves%2Fpng-reader" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danreeves/png-reader on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/danreeves/png-reader [INFO] finished tweaking git repo https://github.com/danreeves/png-reader [INFO] tweaked toml for git repo https://github.com/danreeves/png-reader written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/danreeves/png-reader already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4ecc0e27b6434ccb2e5628c68ef92a23386d3116d44a3e392b9d19d7e8d30ac [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" "b4ecc0e27b6434ccb2e5628c68ef92a23386d3116d44a3e392b9d19d7e8d30ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4ecc0e27b6434ccb2e5628c68ef92a23386d3116d44a3e392b9d19d7e8d30ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4ecc0e27b6434ccb2e5628c68ef92a23386d3116d44a3e392b9d19d7e8d30ac", kill_on_drop: false }` [INFO] [stdout] b4ecc0e27b6434ccb2e5628c68ef92a23386d3116d44a3e392b9d19d7e8d30ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f33b011938d6162dc2bc980839fa0c3f56e98c1fdcf50c61bf4b4d6ff165adb [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" "3f33b011938d6162dc2bc980839fa0c3f56e98c1fdcf50c61bf4b4d6ff165adb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling proc-macro2 v1.0.20 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking once_cell v1.4.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking bytemuck v1.4.0 [INFO] [stderr] Checking pollster v0.2.0 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Checking miniz_oxide v0.4.1 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking libloading v0.6.3 [INFO] [stderr] Checking tracing-core v0.1.15 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Checking wide v0.4.6 [INFO] [stderr] Checking dlib v0.4.2 [INFO] [stderr] Checking ash v0.31.0 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Compiling wayland-scanner v0.23.6 [INFO] [stderr] Checking libflate v1.0.2 [INFO] [stderr] Checking wayland-sys v0.23.6 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Checking gfx-hal v0.6.0 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking wgpu-types v0.6.1 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking ultraviolet v0.4.6 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.1.0 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Checking spirv_headers v1.5.0 [INFO] [stderr] Checking rusttype v0.8.3 [INFO] [stderr] Checking rusttype v0.7.9 [INFO] [stderr] Compiling wayland-client v0.23.6 [INFO] [stderr] Compiling wayland-protocols v0.23.6 [INFO] [stderr] Checking andrew v0.2.1 [INFO] [stderr] Checking wayland-commons v0.23.6 [INFO] [stderr] Checking calloop v0.4.4 [INFO] [stderr] Checking gfx-memory v0.2.0 [INFO] [stderr] Checking gfx-descriptor v0.2.0 [INFO] [stderr] Checking gfx-backend-empty v0.6.0 [INFO] [stderr] Compiling pin-project-internal v0.4.23 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Checking smithay-client-toolkit v0.6.6 [INFO] [stderr] Checking winit v0.22.2 [INFO] [stderr] Checking gfx-backend-vulkan v0.6.1 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking naga v0.2.0 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking winit_input_helper v0.7.0 [INFO] [stderr] Checking wgpu-core v0.6.2 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking wgpu v0.6.0 [INFO] [stderr] Checking pixels v0.2.0 [INFO] [stderr] Checking png v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:149:18 [INFO] [stdout] | [INFO] [stdout] 149 | for (i, pixel) in frame.chunks_exact_mut(4).enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 81 | let n = file.read(&mut data)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | let mut data = decompress_to_vec(&image_data[2..]).unwrap(); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 144 | / window::run( [INFO] [stdout] 145 | | ihdr.image_width, [INFO] [stdout] 146 | | ihdr.image_height, [INFO] [stdout] 147 | | move |frame: &mut [u8]| { [INFO] [stdout] ... | [INFO] [stdout] 153 | | }, [INFO] [stdout] 154 | | ); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:149:18 [INFO] [stdout] | [INFO] [stdout] 149 | for (i, pixel) in frame.chunks_exact_mut(4).enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/main.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 81 | let n = file.read(&mut data)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | let mut data = decompress_to_vec(&image_data[2..]).unwrap(); [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: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 144 | / window::run( [INFO] [stdout] 145 | | ihdr.image_width, [INFO] [stdout] 146 | | ihdr.image_height, [INFO] [stdout] 147 | | move |frame: &mut [u8]| { [INFO] [stdout] ... | [INFO] [stdout] 153 | | }, [INFO] [stdout] 154 | | ); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 48s [INFO] running `Command { std: "docker" "inspect" "3f33b011938d6162dc2bc980839fa0c3f56e98c1fdcf50c61bf4b4d6ff165adb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f33b011938d6162dc2bc980839fa0c3f56e98c1fdcf50c61bf4b4d6ff165adb", kill_on_drop: false }` [INFO] [stdout] 3f33b011938d6162dc2bc980839fa0c3f56e98c1fdcf50c61bf4b4d6ff165adb