[INFO] updating cached repository https://github.com/myfreeweb/imgroll
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 4c29926c928be8ae237ff6c6e4ff82a2ca31a0c2
[INFO] checking myfreeweb/imgroll against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyfreeweb%2Fimgroll" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myfreeweb/imgroll on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/myfreeweb/imgroll
[INFO] finished tweaking git repo https://github.com/myfreeweb/imgroll
[INFO] tweaked toml for git repo https://github.com/myfreeweb/imgroll written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/myfreeweb/imgroll already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5d63206bc995f226f6ec199bd59b27c97276f24e10fd7b1508b33a55f1d786d2
[INFO] running `"docker" "start" "-a" "5d63206bc995f226f6ec199bd59b27c97276f24e10fd7b1508b33a55f1d786d2"`
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking exoquant v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling gexiv2-sys v1.1.1
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]     Checking zopfli v0.4.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking rgb v0.8.14
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]     Checking color-thief v0.1.0 (https://github.com/RazrFalcon/color-thief-rs#bb7e77c2)
[INFO] [stderr]     Checking lodepng v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking rexiv2 v0.8.0
[INFO] [stderr]     Checking image v0.22.2
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling nasm-rs v0.1.4
[INFO] [stderr]    Compiling mozjpeg-sys v0.10.2
[INFO] [stderr]     Checking mozjpeg v0.8.14
[INFO] [stderr]    Compiling og-libwebp-sys v0.1.1
[INFO] [stderr]     Checking imgroll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         f => false,
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lossless`
[INFO] [stderr]   --> src/webp.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     Lossless,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/lib.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         f => false,
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Lossless`
[INFO] [stderr]   --> src/webp.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     Lossless,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 24s
[INFO] running `"docker" "inspect" "5d63206bc995f226f6ec199bd59b27c97276f24e10fd7b1508b33a55f1d786d2"`
[INFO] running `"docker" "rm" "-f" "5d63206bc995f226f6ec199bd59b27c97276f24e10fd7b1508b33a55f1d786d2"`
[INFO] [stdout] 5d63206bc995f226f6ec199bd59b27c97276f24e10fd7b1508b33a55f1d786d2