[INFO] updating cached repository https://github.com/ajprax/piston-tutorial
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 040d184f31a84b2d3dcd8b94d943f8fcf1153d02
[INFO] checking ajprax/piston-tutorial against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajprax%2Fpiston-tutorial" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajprax/piston-tutorial on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ajprax/piston-tutorial
[INFO] finished tweaking git repo https://github.com/ajprax/piston-tutorial
[INFO] tweaked toml for git repo https://github.com/ajprax/piston-tutorial written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ajprax/piston-tutorial already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7b2c03043642eeeca20e840bbabd69cbd97c126458cf90431ccf6be78a8f6c2b
[INFO] running `"docker" "start" "-a" "7b2c03043642eeeca20e840bbabd69cbd97c126458cf90431ccf6be78a8f6c2b"`
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rusttype v0.7.7
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking piston2d-graphics v0.32.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking pistoncore-window v0.43.0
[INFO] [stderr]     Checking winit v0.19.1
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking pistoncore-event_loop v0.48.0
[INFO] [stderr]     Checking glutin v0.21.0
[INFO] [stderr]     Checking piston v0.48.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.62.1
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.65.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[INFO] [stderr]     Checking piston-gfx_texture v0.36.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.61.0
[INFO] [stderr]     Checking piston_window v0.99.0
[INFO] [stderr]     Checking piston-tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected one of `::`, `;`, or `as`, found `use`
[INFO] [stderr]   --> src/main.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | use graphics::color
[INFO] [stderr]    |                    - expected one of `::`, `;`, or `as` here
[INFO] [stderr] 15 | use num_format::{Locale, ToFormattedString};
[INFO] [stderr]    | ^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `piston-tutorial`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected one of `::`, `;`, or `as`, found `use`
[INFO] [stderr]   --> src/main.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | use graphics::color
[INFO] [stderr]    |                    - expected one of `::`, `;`, or `as` here
[INFO] [stderr] 15 | use num_format::{Locale, ToFormattedString};
[INFO] [stderr]    | ^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `piston-tutorial`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7b2c03043642eeeca20e840bbabd69cbd97c126458cf90431ccf6be78a8f6c2b"`
[INFO] running `"docker" "rm" "-f" "7b2c03043642eeeca20e840bbabd69cbd97c126458cf90431ccf6be78a8f6c2b"`
[INFO] [stdout] 7b2c03043642eeeca20e840bbabd69cbd97c126458cf90431ccf6be78a8f6c2b