[INFO] crate cuba 0.1.13 is already in cache
[INFO] extracting crate cuba 0.1.13 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/cuba/0.1.13
[INFO] extracting crate cuba 0.1.13 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/cuba/0.1.13
[INFO] validating manifest of cuba-0.1.13 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 cuba-0.1.13 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 cuba-0.1.13
[INFO] finished frobbing cuba-0.1.13
[INFO] frobbed toml for cuba-0.1.13 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/cuba/0.1.13/Cargo.toml
[INFO] started frobbing cuba-0.1.13
[INFO] finished frobbing cuba-0.1.13
[INFO] frobbed toml for cuba-0.1.13 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/cuba/0.1.13/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 cuba-0.1.13 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/cuba/0.1.13:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ce0dc84f033290a865f74b9b42d4d199a24677cb8526970f00a966aa7aa91aa5
[INFO] running `"docker" "start" "-a" "ce0dc84f033290a865f74b9b42d4d199a24677cb8526970f00a966aa7aa91aa5"`
[INFO] [stderr]     Checking cuba v0.1.13 (/opt/crater/workdir)
[INFO] [stderr] warning: unexpected string literal
[INFO] [stderr]    --> src/lib.rs:405:13
[INFO] [stderr]     |
[INFO] [stderr] 404 |                 && nvec <= self.max_points_per_core
[INFO] [stderr]     |                                                    - help: try adding a comma
[INFO] [stderr] 405 |             "nvec needs to be at most the vegas batch size or the max points per core"
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is going to be an error in the future
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected string literal
[INFO] [stderr]    --> src/lib.rs:405:13
[INFO] [stderr]     |
[INFO] [stderr] 404 |                 && nvec <= self.max_points_per_core
[INFO] [stderr]     |                                                    - help: try adding a comma
[INFO] [stderr] 405 |             "nvec needs to be at most the vegas batch size or the max points per core"
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is going to be an error in the future
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ndim`
[INFO] [stderr]    --> src/lib.rs:361:9
[INFO] [stderr]     |
[INFO] [stderr] 361 |         ndim: *const c_int,
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_ndim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/lib.rs:362:9
[INFO] [stderr]     |
[INFO] [stderr] 362 |         b: *const c_double,
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/lib.rs:363:9
[INFO] [stderr]     |
[INFO] [stderr] 363 |         n: *mut c_int,
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:364:9
[INFO] [stderr]     |
[INFO] [stderr] 364 |         x: *mut c_double,
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `userdata`
[INFO] [stderr]    --> src/lib.rs:365:9
[INFO] [stderr]     |
[INFO] [stderr] 365 |         userdata: *mut c_void,
[INFO] [stderr]     |         ^^^^^^^^ help: consider prefixing with an underscore: `_userdata`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `c_peakfinder`
[INFO] [stderr]    --> src/lib.rs:360:5
[INFO] [stderr]     |
[INFO] [stderr] 360 | /     extern "C" fn c_peakfinder(
[INFO] [stderr] 361 | |         ndim: *const c_int,
[INFO] [stderr] 362 | |         b: *const c_double,
[INFO] [stderr] 363 | |         n: *mut c_int,
[INFO] [stderr] ...   |
[INFO] [stderr] 367 | |         // TODO: call a safe peakfinder routine
[INFO] [stderr] 368 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ndim`
[INFO] [stderr]    --> src/lib.rs:361:9
[INFO] [stderr]     |
[INFO] [stderr] 361 |         ndim: *const c_int,
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_ndim`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/lib.rs:362:9
[INFO] [stderr]     |
[INFO] [stderr] 362 |         b: *const c_double,
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/lib.rs:363:9
[INFO] [stderr]     |
[INFO] [stderr] 363 |         n: *mut c_int,
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/lib.rs:364:9
[INFO] [stderr]     |
[INFO] [stderr] 364 |         x: *mut c_double,
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `userdata`
[INFO] [stderr]    --> src/lib.rs:365:9
[INFO] [stderr]     |
[INFO] [stderr] 365 |         userdata: *mut c_void,
[INFO] [stderr]     |         ^^^^^^^^ help: consider prefixing with an underscore: `_userdata`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `c_peakfinder`
[INFO] [stderr]    --> src/lib.rs:360:5
[INFO] [stderr]     |
[INFO] [stderr] 360 | /     extern "C" fn c_peakfinder(
[INFO] [stderr] 361 | |         ndim: *const c_int,
[INFO] [stderr] 362 | |         b: *const c_double,
[INFO] [stderr] 363 | |         n: *mut c_int,
[INFO] [stderr] ...   |
[INFO] [stderr] 367 | |         // TODO: call a safe peakfinder routine
[INFO] [stderr] 368 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "ce0dc84f033290a865f74b9b42d4d199a24677cb8526970f00a966aa7aa91aa5"`
[INFO] running `"docker" "rm" "-f" "ce0dc84f033290a865f74b9b42d4d199a24677cb8526970f00a966aa7aa91aa5"`
[INFO] [stdout] ce0dc84f033290a865f74b9b42d4d199a24677cb8526970f00a966aa7aa91aa5