[INFO] updating cached repository ernsttm/mapper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ernsttm/mapper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ernsttm/mapper" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/ernsttm/mapper"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/ernsttm/mapper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ernsttm/mapper" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/ernsttm/mapper"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/ernsttm/mapper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d35eaa090f4cbef4cd06356569dfaeecb9494720
[INFO] sha for GitHub repo ernsttm/mapper: d35eaa090f4cbef4cd06356569dfaeecb9494720
[INFO] validating manifest of ernsttm/mapper on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ernsttm/mapper on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ernsttm/mapper
[INFO] finished frobbing ernsttm/mapper
[INFO] frobbed toml for ernsttm/mapper written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/ernsttm/mapper/Cargo.toml
[INFO] started frobbing ernsttm/mapper
[INFO] finished frobbing ernsttm/mapper
[INFO] frobbed toml for ernsttm/mapper written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/ernsttm/mapper/Cargo.toml
[INFO] crate ernsttm/mapper already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ernsttm/mapper against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-4/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/ernsttm/mapper:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fcc066f47327e3a4c83245b26b91bd20aa6ec503f6e7c3360bbeaa09ba21bd76
[INFO] running `"docker" "start" "-a" "fcc066f47327e3a4c83245b26b91bd20aa6ec503f6e7c3360bbeaa09ba21bd76"`
[INFO] [stderr]     Checking placer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |     for x in 0..num_cells {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     for x in 0..chip_info[2] {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/lib.rs:260:9
[INFO] [stderr]     |
[INFO] [stderr] 260 |     let offset = prob.static_cells.len();
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `count` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:261:13
[INFO] [stderr]     |
[INFO] [stderr] 261 |     let mut count = 0;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cell`
[INFO] [stderr]    --> src/lib.rs:262:9
[INFO] [stderr]     |
[INFO] [stderr] 262 |     for cell in floating_cells.iter() {
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_cell`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |     for x in 0..num_cells {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:181:9
[INFO] [stderr]     |
[INFO] [stderr] 181 |     for x in 0..chip_info[2] {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]    --> src/lib.rs:260:9
[INFO] [stderr]     |
[INFO] [stderr] 260 |     let offset = prob.static_cells.len();
[INFO] [stderr]     |         ^^^^^^ help: consider prefixing with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `count` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:261:13
[INFO] [stderr]     |
[INFO] [stderr] 261 |     let mut count = 0;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cell`
[INFO] [stderr]    --> src/lib.rs:262:9
[INFO] [stderr]     |
[INFO] [stderr] 262 |     for cell in floating_cells.iter() {
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_cell`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "fcc066f47327e3a4c83245b26b91bd20aa6ec503f6e7c3360bbeaa09ba21bd76"`
[INFO] running `"docker" "rm" "-f" "fcc066f47327e3a4c83245b26b91bd20aa6ec503f6e7c3360bbeaa09ba21bd76"`
[INFO] [stdout] fcc066f47327e3a4c83245b26b91bd20aa6ec503f6e7c3360bbeaa09ba21bd76