[INFO] crate steganography 1.0.2 is already in cache
[INFO] checking steganography-1.0.2 against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] extracting crate steganography 1.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate steganography 1.0.2 on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate steganography 1.0.2
[INFO] finished tweaking crates.io crate steganography 1.0.2
[INFO] tweaked toml for crates.io crate steganography 1.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 428c373eab4462816501b3d2ccb37290356f124fd67ce5f4362b57f9b290af36
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "428c373eab4462816501b3d2ccb37290356f124fd67ce5f4362b57f9b290af36"`
[INFO] [stderr]     Checking steganography v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `dec_vec`
[INFO] [stderr]   --> benches/bench.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let dec_vec = dec.decode_alpha();
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_dec_vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dec_vec`
[INFO] [stderr]   --> benches/bench.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let dec_vec = dec.decode_image();
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_dec_vec`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "428c373eab4462816501b3d2ccb37290356f124fd67ce5f4362b57f9b290af36"`
[INFO] running `"docker" "rm" "-f" "428c373eab4462816501b3d2ccb37290356f124fd67ce5f4362b57f9b290af36"`
[INFO] [stdout] 428c373eab4462816501b3d2ccb37290356f124fd67ce5f4362b57f9b290af36