[INFO] cloning repository https://github.com/stackdisaster/colour_scroll_sdl.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stackdisaster/colour_scroll_sdl.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstackdisaster%2Fcolour_scroll_sdl.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstackdisaster%2Fcolour_scroll_sdl.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da3c5b633a300e977308e2086c265f2d987e004a
[INFO] checking stackdisaster/colour_scroll_sdl.rs against master#5257aee7dd163d21d32fa904578d4fb0f4c91b79 for pr-116494-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstackdisaster%2Fcolour_scroll_sdl.rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stackdisaster/colour_scroll_sdl.rs on toolchain 5257aee7dd163d21d32fa904578d4fb0f4c91b79
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stackdisaster/colour_scroll_sdl.rs
[INFO] finished tweaking git repo https://github.com/stackdisaster/colour_scroll_sdl.rs
[INFO] tweaked toml for git repo https://github.com/stackdisaster/colour_scroll_sdl.rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stackdisaster/colour_scroll_sdl.rs 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" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22cb0ebb9c45deb1c163a7128fc653df6e81af682a003622f173921a55106833
[INFO] running `Command { std: "docker" "start" "-a" "22cb0ebb9c45deb1c163a7128fc653df6e81af682a003622f173921a55106833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22cb0ebb9c45deb1c163a7128fc653df6e81af682a003622f173921a55106833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22cb0ebb9c45deb1c163a7128fc653df6e81af682a003622f173921a55106833", kill_on_drop: false }`
[INFO] [stdout] 22cb0ebb9c45deb1c163a7128fc653df6e81af682a003622f173921a55106833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52b72f172f1c6a76f39dba3c6545a040a992ce6d45ef874e57017863a34ac00d
[INFO] running `Command { std: "docker" "start" "-a" "52b72f172f1c6a76f39dba3c6545a040a992ce6d45ef874e57017863a34ac00d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking colour_scroll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[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/main.rs:97:53
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn chg_colour(gx : &mut sdl2::render::WindowCanvas, mut i : u8){
[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/main.rs:97:53
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn chg_colour(gx : &mut sdl2::render::WindowCanvas, mut i : u8){
[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 1.45s
[INFO] running `Command { std: "docker" "inspect" "52b72f172f1c6a76f39dba3c6545a040a992ce6d45ef874e57017863a34ac00d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b72f172f1c6a76f39dba3c6545a040a992ce6d45ef874e57017863a34ac00d", kill_on_drop: false }`
[INFO] [stdout] 52b72f172f1c6a76f39dba3c6545a040a992ce6d45ef874e57017863a34ac00d