Dec 05 11:17:20.627 INFO checking ktm5e-dice-0.1.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 11:17:20.627 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 05 11:17:20.792 INFO [stdout] dd4ca4a8bc1ffe1f6ee51c9cf686039cf02d81e541974783adf4a32c4e5ca16d
Dec 05 11:17:20.794 INFO running `"docker" "start" "-a" "dd4ca4a8bc1ffe1f6ee51c9cf686039cf02d81e541974783adf4a32c4e5ca16d"`
Dec 05 11:17:21.523 INFO [stderr] usermod: no changes
Dec 05 11:17:21.595 INFO [stderr]     Checking microbench v0.3.3
Dec 05 11:17:21.595 INFO [stderr]     Checking ktm5e-dice v0.1.0 (/source)
Dec 05 11:17:22.792 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:17:22.792 INFO [stderr]   --> src/syntax/mod.rs:59:19
Dec 05 11:17:22.792 INFO [stderr]    |
Dec 05 11:17:22.792 INFO [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Dec 05 11:17:22.792 INFO [stderr]    |                   ----^^^^^^^^^
Dec 05 11:17:22.792 INFO [stderr]    |                   |
Dec 05 11:17:22.792 INFO [stderr]    |                   help: remove this `mut`
Dec 05 11:17:22.792 INFO [stderr]    |
Dec 05 11:17:22.792 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:17:22.792 INFO [stderr] 
Dec 05 11:17:22.799 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:17:22.799 INFO [stderr]   --> src/syntax/mod.rs:84:19
Dec 05 11:17:22.799 INFO [stderr]    |
Dec 05 11:17:22.799 INFO [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Dec 05 11:17:22.799 INFO [stderr]    |                   ----^^^^^^^^^
Dec 05 11:17:22.799 INFO [stderr]    |                   |
Dec 05 11:17:22.799 INFO [stderr]    |                   help: remove this `mut`
Dec 05 11:17:22.799 INFO [stderr] 
Dec 05 11:17:22.819 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 11:17:22.819 INFO [stderr]   --> src/lib.rs:17:12
Dec 05 11:17:22.819 INFO [stderr]    |
Dec 05 11:17:22.819 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Dec 05 11:17:22.819 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:17:22.819 INFO [stderr]    |
Dec 05 11:17:22.819 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 05 11:17:22.819 INFO [stderr] 
Dec 05 11:17:22.819 INFO [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 11:17:22.819 INFO [stderr]   --> src/lib.rs:17:37
Dec 05 11:17:22.819 INFO [stderr]    |
Dec 05 11:17:22.819 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Dec 05 11:17:22.819 INFO [stderr]    |                                     ^^^^^^^^^
Dec 05 11:17:22.819 INFO [stderr] 
Dec 05 11:17:25.111 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:17:25.111 INFO [stderr]   --> src/syntax/mod.rs:59:19
Dec 05 11:17:25.111 INFO [stderr]    |
Dec 05 11:17:25.111 INFO [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Dec 05 11:17:25.111 INFO [stderr]    |                   ----^^^^^^^^^
Dec 05 11:17:25.111 INFO [stderr]    |                   |
Dec 05 11:17:25.111 INFO [stderr]    |                   help: remove this `mut`
Dec 05 11:17:25.111 INFO [stderr]    |
Dec 05 11:17:25.111 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 11:17:25.111 INFO [stderr] 
Dec 05 11:17:25.115 INFO [stderr] warning: variable does not need to be mutable
Dec 05 11:17:25.115 INFO [stderr]   --> src/syntax/mod.rs:84:19
Dec 05 11:17:25.115 INFO [stderr]    |
Dec 05 11:17:25.115 INFO [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Dec 05 11:17:25.115 INFO [stderr]    |                   ----^^^^^^^^^
Dec 05 11:17:25.115 INFO [stderr]    |                   |
Dec 05 11:17:25.115 INFO [stderr]    |                   help: remove this `mut`
Dec 05 11:17:25.115 INFO [stderr] 
Dec 05 11:17:25.159 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 11:17:25.159 INFO [stderr]   --> src/lib.rs:17:12
Dec 05 11:17:25.159 INFO [stderr]    |
Dec 05 11:17:25.159 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Dec 05 11:17:25.159 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 11:17:25.167 INFO [stderr]    |
Dec 05 11:17:25.167 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 05 11:17:25.167 INFO [stderr] 
Dec 05 11:17:25.167 INFO [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 11:17:25.167 INFO [stderr]   --> src/lib.rs:17:37
Dec 05 11:17:25.167 INFO [stderr]    |
Dec 05 11:17:25.167 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Dec 05 11:17:25.167 INFO [stderr]    |                                     ^^^^^^^^^
Dec 05 11:17:25.167 INFO [stderr] 
Dec 05 11:17:25.627 INFO [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 05 11:17:25.627 INFO [stderr]   --> tests/statistics.rs:15:12
Dec 05 11:17:25.627 INFO [stderr]    |
Dec 05 11:17:25.627 INFO [stderr] 15 | #![feature(i128_type)]
Dec 05 11:17:25.627 INFO [stderr]    |            ^^^^^^^^^
Dec 05 11:17:25.627 INFO [stderr]    |
Dec 05 11:17:25.627 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 05 11:17:25.627 INFO [stderr] 
Dec 05 11:17:25.846 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
Dec 05 11:17:25.850 INFO [stderr] su: No module specific data is present
Dec 05 11:17:26.398 INFO running `"docker" "inspect" "dd4ca4a8bc1ffe1f6ee51c9cf686039cf02d81e541974783adf4a32c4e5ca16d"`
Dec 05 11:17:26.547 INFO running `"docker" "rm" "-f" "dd4ca4a8bc1ffe1f6ee51c9cf686039cf02d81e541974783adf4a32c4e5ca16d"`
Dec 05 11:17:26.672 INFO [stdout] dd4ca4a8bc1ffe1f6ee51c9cf686039cf02d81e541974783adf4a32c4e5ca16d