[INFO] updating cached repository novemberisms/RustyBird
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/novemberisms/RustyBird
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/novemberisms/RustyBird" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/novemberisms/RustyBird"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/novemberisms/RustyBird'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/novemberisms/RustyBird" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/novemberisms/RustyBird"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/novemberisms/RustyBird'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6663c31c0a5b5e2f278ee68629f6d33be88f9f22
[INFO] sha for GitHub repo novemberisms/RustyBird: 6663c31c0a5b5e2f278ee68629f6d33be88f9f22
[INFO] validating manifest of novemberisms/RustyBird on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of novemberisms/RustyBird on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing novemberisms/RustyBird
[INFO] finished frobbing novemberisms/RustyBird
[INFO] frobbed toml for novemberisms/RustyBird written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/novemberisms/RustyBird/Cargo.toml
[INFO] started frobbing novemberisms/RustyBird
[INFO] finished frobbing novemberisms/RustyBird
[INFO] frobbed toml for novemberisms/RustyBird written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/novemberisms/RustyBird/Cargo.toml
[INFO] crate novemberisms/RustyBird already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking novemberisms/RustyBird against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/novemberisms/RustyBird:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b505687671e3ea003d070ef3c09980a8a3a38ea3cafd54d1ca5508d8d80005b6
[INFO] running `"docker" "start" "-a" "b505687671e3ea003d070ef3c09980a8a3a38ea3cafd54d1ca5508d8d80005b6"`
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.53.0
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking flappy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `SCREENWIDTH`
[INFO] [stderr]  --> src/score_drawer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use SCREENWIDTH;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/assets.rs:110:7
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut transform = context.transform;
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SCREENWIDTH`
[INFO] [stderr]  --> src/score_drawer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use SCREENWIDTH;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/assets.rs:110:7
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let mut transform = context.transform;
[INFO] [stderr]     |             ----^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.02s
[INFO] running `"docker" "inspect" "b505687671e3ea003d070ef3c09980a8a3a38ea3cafd54d1ca5508d8d80005b6"`
[INFO] running `"docker" "rm" "-f" "b505687671e3ea003d070ef3c09980a8a3a38ea3cafd54d1ca5508d8d80005b6"`
[INFO] [stdout] b505687671e3ea003d070ef3c09980a8a3a38ea3cafd54d1ca5508d8d80005b6