[INFO] updating cached repository DemarcatedTitle/replicate.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DemarcatedTitle/replicate.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DemarcatedTitle/replicate.rs" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/DemarcatedTitle/replicate.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/DemarcatedTitle/replicate.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DemarcatedTitle/replicate.rs" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/DemarcatedTitle/replicate.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/DemarcatedTitle/replicate.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] da5076833539dd90fa70f125850b5a2baa6d8cd2
[INFO] sha for GitHub repo DemarcatedTitle/replicate.rs: da5076833539dd90fa70f125850b5a2baa6d8cd2
[INFO] validating manifest of DemarcatedTitle/replicate.rs on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DemarcatedTitle/replicate.rs on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DemarcatedTitle/replicate.rs
[INFO] finished frobbing DemarcatedTitle/replicate.rs
[INFO] frobbed toml for DemarcatedTitle/replicate.rs written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/DemarcatedTitle/replicate.rs/Cargo.toml
[INFO] started frobbing DemarcatedTitle/replicate.rs
[INFO] finished frobbing DemarcatedTitle/replicate.rs
[INFO] frobbed toml for DemarcatedTitle/replicate.rs written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/DemarcatedTitle/replicate.rs/Cargo.toml
[INFO] crate DemarcatedTitle/replicate.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DemarcatedTitle/replicate.rs against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/DemarcatedTitle/replicate.rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 09c507b9b0d49a826b3e98678d2f6feb6d114138982b22eec6d72b89713a52eb
[INFO] running `"docker" "start" "-a" "09c507b9b0d49a826b3e98678d2f6feb6d114138982b22eec6d72b89713a52eb"`
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking replicate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `usize`
[INFO] [stderr]   --> src/lib.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Some(usize) => {
[INFO] [stderr]    |              ^^^^^ help: consider prefixing with an underscore: `_usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `usize`
[INFO] [stderr]   --> src/lib.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |         Some(usize) => {
[INFO] [stderr]    |              ^^^^^ help: consider prefixing with an underscore: `_usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.00s
[INFO] running `"docker" "inspect" "09c507b9b0d49a826b3e98678d2f6feb6d114138982b22eec6d72b89713a52eb"`
[INFO] running `"docker" "rm" "-f" "09c507b9b0d49a826b3e98678d2f6feb6d114138982b22eec6d72b89713a52eb"`
[INFO] [stdout] 09c507b9b0d49a826b3e98678d2f6feb6d114138982b22eec6d72b89713a52eb