Nov 17 12:35:32.764 INFO testing PlasmaPower/kmer-counter against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 12:35:32.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 12:35:33.266 INFO [stdout] 21943acd15c180aaa919efd7cb09297ca19c0fc4d0195a85e517d99aba9a2956
Nov 17 12:35:33.266 INFO running `"docker" "start" "-a" "21943acd15c180aaa919efd7cb09297ca19c0fc4d0195a85e517d99aba9a2956"`
Nov 17 12:35:33.824 INFO [stderr] usermod: no changes
Nov 17 12:35:33.917 INFO [stderr]    Compiling backtrace-sys v0.1.5
Nov 17 12:35:33.919 INFO [stderr]    Compiling memmap v0.5.0
Nov 17 12:35:33.919 INFO [stderr]    Compiling jobsteal v0.5.1
Nov 17 12:35:35.250 INFO [stderr]    Compiling backtrace v0.3.0
Nov 17 12:35:36.935 INFO [stderr]    Compiling error-chain v0.7.1
Nov 17 12:35:38.043 INFO [stderr]    Compiling kmer-counter v0.1.0 (/source)
Nov 17 12:35:39.971 INFO [stderr] warning: variable does not need to be mutable
Nov 17 12:35:39.971 INFO [stderr]   --> src/kmer_tree.rs:42:24
Nov 17 12:35:39.971 INFO [stderr]    |
Nov 17 12:35:39.971 INFO [stderr] 42 |         while let Some(mut count) = self.counts.get_mut(self.index) {
Nov 17 12:35:39.971 INFO [stderr]    |                        ----^^^^^
Nov 17 12:35:39.971 INFO [stderr]    |                        |
Nov 17 12:35:39.973 INFO [stderr]    |                        help: remove this `mut`
Nov 17 12:35:39.973 INFO [stderr]    |
Nov 17 12:35:39.973 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 12:35:39.973 INFO [stderr] 
Nov 17 12:35:43.743 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.89s
Nov 17 12:35:43.746 INFO [stderr] su: No module specific data is present
Nov 17 12:35:44.765 INFO running `"docker" "inspect" "21943acd15c180aaa919efd7cb09297ca19c0fc4d0195a85e517d99aba9a2956"`
Nov 17 12:35:45.071 INFO running `"docker" "rm" "-f" "21943acd15c180aaa919efd7cb09297ca19c0fc4d0195a85e517d99aba9a2956"`
Nov 17 12:35:45.327 INFO [stdout] 21943acd15c180aaa919efd7cb09297ca19c0fc4d0195a85e517d99aba9a2956
Nov 17 12:35:45.331 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 12:35:45.823 INFO [stdout] 4929208e2298d2021fe89386cd7fb2dff53c105d0f10ef4052815599b003698c
Nov 17 12:35:45.825 INFO running `"docker" "start" "-a" "4929208e2298d2021fe89386cd7fb2dff53c105d0f10ef4052815599b003698c"`
Nov 17 12:35:47.259 INFO [stderr] usermod: no changes
Nov 17 12:35:47.443 INFO [stderr]    Compiling kmer-counter v0.1.0 (/source)
Nov 17 12:35:49.119 INFO [stderr] warning: variable does not need to be mutable
Nov 17 12:35:49.119 INFO [stderr]   --> src/kmer_tree.rs:42:24
Nov 17 12:35:49.120 INFO [stderr]    |
Nov 17 12:35:49.120 INFO [stderr] 42 |         while let Some(mut count) = self.counts.get_mut(self.index) {
Nov 17 12:35:49.120 INFO [stderr]    |                        ----^^^^^
Nov 17 12:35:49.121 INFO [stderr]    |                        |
Nov 17 12:35:49.121 INFO [stderr]    |                        help: remove this `mut`
Nov 17 12:35:49.121 INFO [stderr]    |
Nov 17 12:35:49.122 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 12:35:49.122 INFO [stderr] 
Nov 17 12:35:50.923 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
Nov 17 12:35:50.931 INFO [stderr] su: No module specific data is present
Nov 17 12:35:51.603 INFO running `"docker" "inspect" "4929208e2298d2021fe89386cd7fb2dff53c105d0f10ef4052815599b003698c"`
Nov 17 12:35:52.002 INFO running `"docker" "rm" "-f" "4929208e2298d2021fe89386cd7fb2dff53c105d0f10ef4052815599b003698c"`
Nov 17 12:35:52.270 INFO [stdout] 4929208e2298d2021fe89386cd7fb2dff53c105d0f10ef4052815599b003698c
Nov 17 12:35:52.278 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-0/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 12:35:52.719 INFO [stdout] c035cefb574c8aa7547fe0f18008e5cdf36965582b2a0ded07ee4b0ef7c0afbb
Nov 17 12:35:52.727 INFO running `"docker" "start" "-a" "c035cefb574c8aa7547fe0f18008e5cdf36965582b2a0ded07ee4b0ef7c0afbb"`
Nov 17 12:35:53.883 INFO [stderr] usermod: no changes
Nov 17 12:35:54.023 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
Nov 17 12:35:54.024 INFO [stderr]      Running /target/debug/deps/kmer_counter-3647f134cfa9ff0d
Nov 17 12:35:54.027 INFO [stdout] 
Nov 17 12:35:54.027 INFO [stdout] running 2 tests
Nov 17 12:35:54.027 INFO [stdout] test tests::sort::simple_sort ... ok
Nov 17 12:35:54.027 INFO [stdout] test tests::sort::merge_dups ... ok
Nov 17 12:35:54.027 INFO [stdout] 
Nov 17 12:35:54.027 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 12:35:54.027 INFO [stdout] 
Nov 17 12:35:54.033 INFO [stderr] su: No module specific data is present
Nov 17 12:35:54.818 INFO running `"docker" "inspect" "c035cefb574c8aa7547fe0f18008e5cdf36965582b2a0ded07ee4b0ef7c0afbb"`
Nov 17 12:35:55.136 INFO running `"docker" "rm" "-f" "c035cefb574c8aa7547fe0f18008e5cdf36965582b2a0ded07ee4b0ef7c0afbb"`
Nov 17 12:35:55.351 INFO [stdout] c035cefb574c8aa7547fe0f18008e5cdf36965582b2a0ded07ee4b0ef7c0afbb