[INFO] updating cached repository https://github.com/jack-the-coder/fotono
[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] 4de28e04195889f6d865c1a61ea017c3c4fde3fd
[INFO] checking jack-the-coder/fotono against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjack-the-coder%2Ffotono" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jack-the-coder/fotono on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jack-the-coder/fotono
[INFO] finished tweaking git repo https://github.com/jack-the-coder/fotono
[INFO] tweaked toml for git repo https://github.com/jack-the-coder/fotono written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jack-the-coder/fotono already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] f03a0f6afb6cb4b8dbe32dc5ba67eb21091eca3e68a5838751bca1574b666a12
[INFO] running `"docker" "start" "-a" "f03a0f6afb6cb4b8dbe32dc5ba67eb21091eca3e68a5838751bca1574b666a12"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.23.0
[INFO] [stderr]     Checking fotono v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:85:19
[INFO] [stderr]    |
[INFO] [stderr] 85 |             let image::Rgb(data) = *pixel;
[INFO] [stderr]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/main.rs:85:19
[INFO] [stderr]    |
[INFO] [stderr] 85 |             let image::Rgb(data) = *pixel;
[INFO] [stderr]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.23s
[INFO] running `"docker" "inspect" "f03a0f6afb6cb4b8dbe32dc5ba67eb21091eca3e68a5838751bca1574b666a12"`
[INFO] running `"docker" "rm" "-f" "f03a0f6afb6cb4b8dbe32dc5ba67eb21091eca3e68a5838751bca1574b666a12"`
[INFO] [stdout] f03a0f6afb6cb4b8dbe32dc5ba67eb21091eca3e68a5838751bca1574b666a12