[INFO] updating cached repository https://github.com/LothTikar/rusty_quiz
[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] b698042a43a390781312fafaee930c61d6e4f1ab
[INFO] checking LothTikar/rusty_quiz against master#fe6d05a8b32f5c66c427ca524dbcce5a7145f87e for pr-64327
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FLothTikar%2Frusty_quiz" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LothTikar/rusty_quiz on toolchain fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LothTikar/rusty_quiz
[INFO] finished tweaking git repo https://github.com/LothTikar/rusty_quiz
[INFO] tweaked toml for git repo https://github.com/LothTikar/rusty_quiz written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/LothTikar/rusty_quiz already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/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" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6e2f556f99b8e14e426d2a9c777db11f705e99e01aa9b8a9990cfdfbd0447ab8
[INFO] running `"docker" "start" "-a" "6e2f556f99b8e14e426d2a9c777db11f705e99e01aa9b8a9990cfdfbd0447ab8"`
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking stb_truetype v0.2.3
[INFO] [stderr]     Checking semver v0.2.3
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rusttype v0.7.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking csv v1.0.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling cmake v0.1.33
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glfw-sys v3.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking glfw v0.23.0
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking rusty_quiz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.90s
[INFO] running `"docker" "inspect" "6e2f556f99b8e14e426d2a9c777db11f705e99e01aa9b8a9990cfdfbd0447ab8"`
[INFO] running `"docker" "rm" "-f" "6e2f556f99b8e14e426d2a9c777db11f705e99e01aa9b8a9990cfdfbd0447ab8"`
[INFO] [stdout] 6e2f556f99b8e14e426d2a9c777db11f705e99e01aa9b8a9990cfdfbd0447ab8