[INFO] updating cached repository https://github.com/larryng/primg
[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] 390619f558b6ed44d01c1ba8224002a12a50e856
[INFO] checking larryng/primg against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarryng%2Fprimg" "/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/larryng/primg on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/larryng/primg
[INFO] finished tweaking git repo https://github.com/larryng/primg
[INFO] tweaked toml for git repo https://github.com/larryng/primg written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/larryng/primg already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 4adef4f93f1ea33ffb01040aba1e5fc404db20f27697162a5f3473471b6c53b2
[INFO] running `"docker" "start" "-a" "4adef4f93f1ea33ffb01040aba1e5fc404db20f27697162a5f3473471b6c53b2"`
[INFO] [stderr]     Checking rand v0.4.1
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking rayon-core v1.3.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking primg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/shape.rs:502:9
[INFO] [stderr]     |
[INFO] [stderr] 502 |     for i in 0..n {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/util.rs:40:45
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn draw_lines(buf: &mut [u8], w: usize, h: usize, a: &Color, lines: &[Scanline]) {
[INFO] [stderr]    |                                             ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put`
[INFO] [stderr]   --> src/core.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn put(&mut self, x: usize, y: usize, color: &Color) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_rgba`
[INFO] [stderr]    --> src/core.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn to_rgba(&self) -> Rgba<u8> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/shape.rs:502:9
[INFO] [stderr]     |
[INFO] [stderr] 502 |     for i in 0..n {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/util.rs:40:45
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn draw_lines(buf: &mut [u8], w: usize, h: usize, a: &Color, lines: &[Scanline]) {
[INFO] [stderr]    |                                             ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put`
[INFO] [stderr]   --> src/core.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn put(&mut self, x: usize, y: usize, color: &Color) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_rgba`
[INFO] [stderr]    --> src/core.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn to_rgba(&self) -> Rgba<u8> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.97s
[INFO] running `"docker" "inspect" "4adef4f93f1ea33ffb01040aba1e5fc404db20f27697162a5f3473471b6c53b2"`
[INFO] running `"docker" "rm" "-f" "4adef4f93f1ea33ffb01040aba1e5fc404db20f27697162a5f3473471b6c53b2"`
[INFO] [stdout] 4adef4f93f1ea33ffb01040aba1e5fc404db20f27697162a5f3473471b6c53b2