Nov 28 22:57:04.867 INFO checking ktm5e-dice-0.1.0 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 22:57:04.867 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-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 28 22:57:05.308 INFO [stdout] 6ff28775e9871457956eba80e12420a4c8cea3471b49824d6f41b7b3c41b8a06
Nov 28 22:57:05.313 INFO running `"docker" "start" "-a" "6ff28775e9871457956eba80e12420a4c8cea3471b49824d6f41b7b3c41b8a06"`
Nov 28 22:57:06.423 INFO [stderr] usermod: no changes
Nov 28 22:57:06.510 INFO [stderr]     Checking microbench v0.3.3
Nov 28 22:57:06.511 INFO [stderr]     Checking ktm5e-dice v0.1.0 (/source)
Nov 28 22:57:07.833 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:57:07.833 INFO [stderr]   --> src/syntax/mod.rs:59:19
Nov 28 22:57:07.834 INFO [stderr]    |
Nov 28 22:57:07.834 INFO [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Nov 28 22:57:07.834 INFO [stderr]    |                   ----^^^^^^^^^
Nov 28 22:57:07.835 INFO [stderr]    |                   |
Nov 28 22:57:07.835 INFO [stderr]    |                   help: remove this `mut`
Nov 28 22:57:07.838 INFO [stderr]    |
Nov 28 22:57:07.839 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 22:57:07.839 INFO [stderr] 
Nov 28 22:57:07.839 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:57:07.844 INFO [stderr]   --> src/syntax/mod.rs:84:19
Nov 28 22:57:07.845 INFO [stderr]    |
Nov 28 22:57:07.845 INFO [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Nov 28 22:57:07.845 INFO [stderr]    |                   ----^^^^^^^^^
Nov 28 22:57:07.846 INFO [stderr]    |                   |
Nov 28 22:57:07.846 INFO [stderr]    |                   help: remove this `mut`
Nov 28 22:57:07.846 INFO [stderr] 
Nov 28 22:57:07.870 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 28 22:57:07.870 INFO [stderr]   --> src/lib.rs:17:12
Nov 28 22:57:07.870 INFO [stderr]    |
Nov 28 22:57:07.870 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Nov 28 22:57:07.871 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:57:07.871 INFO [stderr]    |
Nov 28 22:57:07.871 INFO [stderr]    = note: #[warn(stable_features)] on by default
Nov 28 22:57:07.871 INFO [stderr] 
Nov 28 22:57:07.871 INFO [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 28 22:57:07.871 INFO [stderr]   --> src/lib.rs:17:37
Nov 28 22:57:07.872 INFO [stderr]    |
Nov 28 22:57:07.872 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Nov 28 22:57:07.872 INFO [stderr]    |                                     ^^^^^^^^^
Nov 28 22:57:07.904 INFO [stderr] 
Nov 28 22:57:08.844 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:57:08.845 INFO [stderr]   --> src/syntax/mod.rs:59:19
Nov 28 22:57:08.845 INFO [stderr]    |
Nov 28 22:57:08.845 INFO [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Nov 28 22:57:08.846 INFO [stderr]    |                   ----^^^^^^^^^
Nov 28 22:57:08.846 INFO [stderr]    |                   |
Nov 28 22:57:08.846 INFO [stderr]    |                   help: remove this `mut`
Nov 28 22:57:08.846 INFO [stderr]    |
Nov 28 22:57:08.846 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 22:57:08.847 INFO [stderr] 
Nov 28 22:57:08.847 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:57:08.847 INFO [stderr]   --> src/syntax/mod.rs:84:19
Nov 28 22:57:08.847 INFO [stderr]    |
Nov 28 22:57:08.848 INFO [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Nov 28 22:57:08.848 INFO [stderr]    |                   ----^^^^^^^^^
Nov 28 22:57:08.848 INFO [stderr]    |                   |
Nov 28 22:57:08.848 INFO [stderr]    |                   help: remove this `mut`
Nov 28 22:57:08.849 INFO [stderr] 
Nov 28 22:57:08.865 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 28 22:57:08.865 INFO [stderr]   --> src/lib.rs:17:12
Nov 28 22:57:08.866 INFO [stderr]    |
Nov 28 22:57:08.866 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Nov 28 22:57:08.866 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:57:08.867 INFO [stderr]    |
Nov 28 22:57:08.867 INFO [stderr]    = note: #[warn(stable_features)] on by default
Nov 28 22:57:08.867 INFO [stderr] 
Nov 28 22:57:08.867 INFO [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 28 22:57:08.868 INFO [stderr]   --> src/lib.rs:17:37
Nov 28 22:57:08.868 INFO [stderr]    |
Nov 28 22:57:08.868 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Nov 28 22:57:08.869 INFO [stderr]    |                                     ^^^^^^^^^
Nov 28 22:57:08.869 INFO [stderr] 
Nov 28 22:57:10.067 INFO [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 28 22:57:10.067 INFO [stderr]   --> tests/statistics.rs:15:12
Nov 28 22:57:10.067 INFO [stderr]    |
Nov 28 22:57:10.067 INFO [stderr] 15 | #![feature(i128_type)]
Nov 28 22:57:10.067 INFO [stderr]    |            ^^^^^^^^^
Nov 28 22:57:10.067 INFO [stderr]    |
Nov 28 22:57:10.067 INFO [stderr]    = note: #[warn(stable_features)] on by default
Nov 28 22:57:10.067 INFO [stderr] 
Nov 28 22:57:10.094 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
Nov 28 22:57:10.100 INFO [stderr] su: No module specific data is present
Nov 28 22:57:10.808 INFO running `"docker" "inspect" "6ff28775e9871457956eba80e12420a4c8cea3471b49824d6f41b7b3c41b8a06"`
Nov 28 22:57:11.111 INFO running `"docker" "rm" "-f" "6ff28775e9871457956eba80e12420a4c8cea3471b49824d6f41b7b3c41b8a06"`
Nov 28 22:57:11.303 INFO [stdout] 6ff28775e9871457956eba80e12420a4c8cea3471b49824d6f41b7b3c41b8a06