[INFO] fetching crate rkm 0.7.0...
[INFO] extracting crate rkm 0.7.0 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/rkm/0.7.0
[INFO] extracting crate rkm 0.7.0 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/rkm/0.7.0
[INFO] validating manifest of rkm-0.7.0 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rkm-0.7.0 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rkm-0.7.0
[INFO] finished frobbing rkm-0.7.0
[INFO] frobbed toml for rkm-0.7.0 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/rkm/0.7.0/Cargo.toml
[INFO] started frobbing rkm-0.7.0
[INFO] finished frobbing rkm-0.7.0
[INFO] frobbed toml for rkm-0.7.0 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/rkm/0.7.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rkm-0.7.0 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/rkm/0.7.0:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 547623d1b4da329a2112f9e7158357446f8cb316f37b4c3d77589ccb53f58f3b
[INFO] running `"docker" "start" "-a" "547623d1b4da329a2112f9e7158357446f8cb316f37b4c3d77589ccb53f58f3b"`
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking rkm v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'ndarray::impl_methods::<impl ndarray::ArrayBase<S, D>>::subview_mut': renamed to `index_axis_mut`
[INFO] [stderr]    --> src/lib.rs:231:51
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 let mut mean = cumulative_means.0.subview_mut(Axis(0), *point.0);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'ndarray::impl_methods::<impl ndarray::ArrayBase<S, D>>::subview_mut': renamed to `index_axis_mut`
[INFO] [stderr]    --> src/lib.rs:231:51
[INFO] [stderr]     |
[INFO] [stderr] 231 |                 let mut mean = cumulative_means.0.subview_mut(Axis(0), *point.0);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let mut chooser = WeightedChoice::new(&mut weights);
[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:136:13
[INFO] [stderr]     |
[INFO] [stderr] 136 |         let mut chooser = WeightedChoice::new(&mut weights);
[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: function is never used: `bench_birch3`
[INFO] [stderr]   --> src/bench.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn bench_birch3(b: &mut Bencher) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "547623d1b4da329a2112f9e7158357446f8cb316f37b4c3d77589ccb53f58f3b"`
[INFO] running `"docker" "rm" "-f" "547623d1b4da329a2112f9e7158357446f8cb316f37b4c3d77589ccb53f58f3b"`
[INFO] [stdout] 547623d1b4da329a2112f9e7158357446f8cb316f37b4c3d77589ccb53f58f3b