[INFO] crate lather 0.0.0 is already in cache
[INFO] extracting crate lather 0.0.0 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/lather/0.0.0
[INFO] extracting crate lather 0.0.0 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/lather/0.0.0
[INFO] validating manifest of lather-0.0.0 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lather-0.0.0 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lather-0.0.0
[INFO] finished frobbing lather-0.0.0
[INFO] frobbed toml for lather-0.0.0 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/lather/0.0.0/Cargo.toml
[INFO] started frobbing lather-0.0.0
[INFO] finished frobbing lather-0.0.0
[INFO] frobbed toml for lather-0.0.0 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/lather/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lather-0.0.0 against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/lather/0.0.0:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b6227334057e16bb174fb17ee2da6693d24cc991b2e8fc2cf4ca200c3ab94f83
[INFO] running `"docker" "start" "-a" "b6227334057e16bb174fb17ee2da6693d24cc991b2e8fc2cf4ca200c3ab94f83"`
[INFO] [stderr]    Compiling cpython v0.1.0
[INFO] [stderr]     Checking quadrature v0.1.2
[INFO] [stderr]    Compiling GSL v0.4.31
[INFO] [stderr]    Compiling python3-sys v0.1.3
[INFO] [stderr]     Checking ndarray v0.9.1
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking numpy v0.2.1
[INFO] [stderr]     Checking lather v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]    --> src/simulation.rs:348:13
[INFO] [stderr]     |
[INFO] [stderr] 6   | use std::fmt::Write;
[INFO] [stderr]     |     --------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 348 |         use std::fmt::Write;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]    --> src/simulation.rs:348:13
[INFO] [stderr]     |
[INFO] [stderr] 6   | use std::fmt::Write;
[INFO] [stderr]     |     --------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 348 |         use std::fmt::Write;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:84:25
[INFO] [stderr]    |
[INFO] [stderr] 84 |             for (input, mut output) in bis_data.iter().zip(bisectors.as_slice_mut().unwrap()) {
[INFO] [stderr]    |                         ----^^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:84:25
[INFO] [stderr]    |
[INFO] [stderr] 84 |             for (input, mut output) in bis_data.iter().zip(bisectors.as_slice_mut().unwrap()) {
[INFO] [stderr]    |                         ----^^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.15s
[INFO] running `"docker" "inspect" "b6227334057e16bb174fb17ee2da6693d24cc991b2e8fc2cf4ca200c3ab94f83"`
[INFO] running `"docker" "rm" "-f" "b6227334057e16bb174fb17ee2da6693d24cc991b2e8fc2cf4ca200c3ab94f83"`
[INFO] [stdout] b6227334057e16bb174fb17ee2da6693d24cc991b2e8fc2cf4ca200c3ab94f83