[INFO] cloning repository CRHarding/simple-rust-area
[INFO] running `"git" "clone" "--bare" "git://github.com/CRHarding/simple-rust-area.git" "work/cache/sources/gh/CRHarding/simple-rust-area"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/CRHarding/simple-rust-area'...
[INFO] running `"git" "clone" "work/cache/sources/gh/CRHarding/simple-rust-area" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/CRHarding/simple-rust-area"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/CRHarding/simple-rust-area'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CRHarding/simple-rust-area" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/CRHarding/simple-rust-area"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/CRHarding/simple-rust-area'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e09266cd0288b46cdf8be29a1e2e8e58bfcff1d4
[INFO] sha for GitHub repo CRHarding/simple-rust-area: e09266cd0288b46cdf8be29a1e2e8e58bfcff1d4
[INFO] validating manifest of CRHarding/simple-rust-area on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CRHarding/simple-rust-area on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CRHarding/simple-rust-area
[INFO] finished frobbing CRHarding/simple-rust-area
[INFO] frobbed toml for CRHarding/simple-rust-area written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/CRHarding/simple-rust-area/Cargo.toml
[INFO] started frobbing CRHarding/simple-rust-area
[INFO] finished frobbing CRHarding/simple-rust-area
[INFO] frobbed toml for CRHarding/simple-rust-area written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/CRHarding/simple-rust-area/Cargo.toml
[INFO] crate CRHarding/simple-rust-area already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking CRHarding/simple-rust-area against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/CRHarding/simple-rust-area:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7c6378b14a3ed13a7b736ef6091f2fdb77e861381c6ac8695cb5a1d670378313
[INFO] running `"docker" "start" "-a" "7c6378b14a3ed13a7b736ef6091f2fdb77e861381c6ac8695cb5a1d670378313"`
[INFO] [stderr]     Checking rectangles v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `sq`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let sq = Rectangle::square(3);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_sq`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `area`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn area(&self) -> u32 {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sq`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let sq = Rectangle::square(3);
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_sq`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `area`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn area(&self) -> u32 {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "7c6378b14a3ed13a7b736ef6091f2fdb77e861381c6ac8695cb5a1d670378313"`
[INFO] running `"docker" "rm" "-f" "7c6378b14a3ed13a7b736ef6091f2fdb77e861381c6ac8695cb5a1d670378313"`
[INFO] [stdout] 7c6378b14a3ed13a7b736ef6091f2fdb77e861381c6ac8695cb5a1d670378313