Dec 18 14:37:43.098 INFO checking ktm5e-dice-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:37:43.098 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/ktm5e-dice/0.1.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:37:43.235 INFO [stdout] 13c0d87e33fa43bf9cfe0d145bfde5180080956c5ecf7fbe67cc8afbb1a6b681
Dec 18 14:37:43.237 INFO running `"docker" "start" "-a" "13c0d87e33fa43bf9cfe0d145bfde5180080956c5ecf7fbe67cc8afbb1a6b681"`
Dec 18 14:37:44.116 INFO [stderr]     Checking microbench v0.3.3
Dec 18 14:37:44.116 INFO [stderr]     Checking ktm5e-dice v0.1.0 (/opt/crater/workdir)
Dec 18 14:37:45.084 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:37:45.084 INFO [stderr]   --> src/syntax/mod.rs:59:19
Dec 18 14:37:45.084 INFO [stderr]    |
Dec 18 14:37:45.084 INFO [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Dec 18 14:37:45.084 INFO [stderr]    |                   ----^^^^^^^^^
Dec 18 14:37:45.084 INFO [stderr]    |                   |
Dec 18 14:37:45.084 INFO [stderr]    |                   help: remove this `mut`
Dec 18 14:37:45.084 INFO [stderr]    |
Dec 18 14:37:45.084 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 14:37:45.084 INFO [stderr] 
Dec 18 14:37:45.084 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:37:45.088 INFO [stderr]   --> src/syntax/mod.rs:84:19
Dec 18 14:37:45.088 INFO [stderr]    |
Dec 18 14:37:45.088 INFO [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Dec 18 14:37:45.088 INFO [stderr]    |                   ----^^^^^^^^^
Dec 18 14:37:45.088 INFO [stderr]    |                   |
Dec 18 14:37:45.088 INFO [stderr]    |                   help: remove this `mut`
Dec 18 14:37:45.088 INFO [stderr] 
Dec 18 14:37:45.128 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 14:37:45.128 INFO [stderr]   --> src/lib.rs:17:12
Dec 18 14:37:45.128 INFO [stderr]    |
Dec 18 14:37:45.128 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Dec 18 14:37:45.128 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:37:45.128 INFO [stderr]    |
Dec 18 14:37:45.128 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 18 14:37:45.128 INFO [stderr] 
Dec 18 14:37:45.128 INFO [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 14:37:45.128 INFO [stderr]   --> src/lib.rs:17:37
Dec 18 14:37:45.128 INFO [stderr]    |
Dec 18 14:37:45.128 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Dec 18 14:37:45.128 INFO [stderr]    |                                     ^^^^^^^^^
Dec 18 14:37:45.128 INFO [stderr] 
Dec 18 14:37:45.996 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:37:45.996 INFO [stderr]   --> src/syntax/mod.rs:59:19
Dec 18 14:37:45.996 INFO [stderr]    |
Dec 18 14:37:45.996 INFO [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Dec 18 14:37:45.996 INFO [stderr]    |                   ----^^^^^^^^^
Dec 18 14:37:45.996 INFO [stderr]    |                   |
Dec 18 14:37:45.996 INFO [stderr]    |                   help: remove this `mut`
Dec 18 14:37:45.996 INFO [stderr]    |
Dec 18 14:37:45.996 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 14:37:45.996 INFO [stderr] 
Dec 18 14:37:46.000 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:37:46.000 INFO [stderr]   --> src/syntax/mod.rs:84:19
Dec 18 14:37:46.000 INFO [stderr]    |
Dec 18 14:37:46.000 INFO [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Dec 18 14:37:46.000 INFO [stderr]    |                   ----^^^^^^^^^
Dec 18 14:37:46.000 INFO [stderr]    |                   |
Dec 18 14:37:46.000 INFO [stderr]    |                   help: remove this `mut`
Dec 18 14:37:46.000 INFO [stderr] 
Dec 18 14:37:46.028 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 14:37:46.028 INFO [stderr]   --> src/lib.rs:17:12
Dec 18 14:37:46.028 INFO [stderr]    |
Dec 18 14:37:46.028 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Dec 18 14:37:46.028 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:37:46.028 INFO [stderr]    |
Dec 18 14:37:46.028 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 18 14:37:46.028 INFO [stderr] 
Dec 18 14:37:46.028 INFO [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 14:37:46.028 INFO [stderr]   --> src/lib.rs:17:37
Dec 18 14:37:46.028 INFO [stderr]    |
Dec 18 14:37:46.028 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Dec 18 14:37:46.028 INFO [stderr]    |                                     ^^^^^^^^^
Dec 18 14:37:46.028 INFO [stderr] 
Dec 18 14:37:46.858 INFO [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 14:37:46.858 INFO [stderr]   --> tests/statistics.rs:15:12
Dec 18 14:37:46.858 INFO [stderr]    |
Dec 18 14:37:46.858 INFO [stderr] 15 | #![feature(i128_type)]
Dec 18 14:37:46.858 INFO [stderr]    |            ^^^^^^^^^
Dec 18 14:37:46.858 INFO [stderr]    |
Dec 18 14:37:46.858 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 18 14:37:46.858 INFO [stderr] 
Dec 18 14:37:46.887 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
Dec 18 14:37:47.106 INFO running `"docker" "inspect" "13c0d87e33fa43bf9cfe0d145bfde5180080956c5ecf7fbe67cc8afbb1a6b681"`
Dec 18 14:37:47.181 INFO running `"docker" "rm" "-f" "13c0d87e33fa43bf9cfe0d145bfde5180080956c5ecf7fbe67cc8afbb1a6b681"`
Dec 18 14:37:47.291 INFO [stdout] 13c0d87e33fa43bf9cfe0d145bfde5180080956c5ecf7fbe67cc8afbb1a6b681