[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/beta-1.37-6/sources/1.36.0/gh/ernsttm/mapper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ernsttm/mapper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ernsttm/mapper" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ernsttm/mapper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ernsttm/mapper on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/gh/ernsttm/mapper/Cargo.toml
[INFO] crate ernsttm/mapper already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ernsttm/mapper against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ernsttm/mapper:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ecccdd0cb6b38f251ec3f131f82d2e987c35d7c691759b96e248faf5baffc410
[INFO] running `"docker" "start" "-a" "ecccdd0cb6b38f251ec3f131f82d2e987c35d7c691759b96e248faf5baffc410"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "ecccdd0cb6b38f251ec3f131f82d2e987c35d7c691759b96e248faf5baffc410"`
[INFO] running `"docker" "rm" "-f" "ecccdd0cb6b38f251ec3f131f82d2e987c35d7c691759b96e248faf5baffc410"`
[INFO] [stdout] ecccdd0cb6b38f251ec3f131f82d2e987c35d7c691759b96e248faf5baffc410
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ernsttm/mapper:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6aa4a36480edebcdf5c0b0579cd5103aa3511ca5e40a01048c0d18aa0dd3465e
[INFO] running `"docker" "start" "-a" "6aa4a36480edebcdf5c0b0579cd5103aa3511ca5e40a01048c0d18aa0dd3465e"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `"docker" "inspect" "6aa4a36480edebcdf5c0b0579cd5103aa3511ca5e40a01048c0d18aa0dd3465e"`
[INFO] running `"docker" "rm" "-f" "6aa4a36480edebcdf5c0b0579cd5103aa3511ca5e40a01048c0d18aa0dd3465e"`
[INFO] [stdout] 6aa4a36480edebcdf5c0b0579cd5103aa3511ca5e40a01048c0d18aa0dd3465e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ernsttm/mapper:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4641a9aee64983a296c9c928f2ef515e1a9c4607dff27fc9962fedd720a4d04e
[INFO] running `"docker" "start" "-a" "4641a9aee64983a296c9c928f2ef515e1a9c4607dff27fc9962fedd720a4d04e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/placer-59ae3557a6f2d8ef
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test5 ... ignored
[INFO] [stdout] test tests::test3 ... ok
[INFO] [stdout] test tests::test1 ... ok
[INFO] [stdout] test tests::test2 ... ok
[INFO] [stdout] test tests::valid_input ... ok
[INFO] [stdout] test tests::too_few_arguments ... ok
[INFO] [stdout] test tests::test4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/placer-fec77f9a04a0b27d
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests placer
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4641a9aee64983a296c9c928f2ef515e1a9c4607dff27fc9962fedd720a4d04e"`
[INFO] running `"docker" "rm" "-f" "4641a9aee64983a296c9c928f2ef515e1a9c4607dff27fc9962fedd720a4d04e"`
[INFO] [stdout] 4641a9aee64983a296c9c928f2ef515e1a9c4607dff27fc9962fedd720a4d04e