Nov 28 22:57:02.187 INFO checking ktm5e-dice-0.1.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 22:57:02.187 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 22:57:02.412 INFO [stdout] 7deb76e3890e0ae70b07c5d358ed51c94684bb2ec1974902febe104f79e2909f
Nov 28 22:57:02.414 INFO running `"docker" "start" "-a" "7deb76e3890e0ae70b07c5d358ed51c94684bb2ec1974902febe104f79e2909f"`
Nov 28 22:57:03.316 INFO [stderr] usermod: no changes
Nov 28 22:57:03.451 INFO [stderr]     Checking microbench v0.3.3
Nov 28 22:57:03.480 INFO [stderr]     Checking ktm5e-dice v0.1.0 (/source)
Nov 28 22:57:04.661 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:57:04.661 INFO [stderr]   --> src/syntax/mod.rs:59:19
Nov 28 22:57:04.661 INFO [stderr]    |
Nov 28 22:57:04.662 INFO [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Nov 28 22:57:04.662 INFO [stderr]    |                   ----^^^^^^^^^
Nov 28 22:57:04.662 INFO [stderr]    |                   |
Nov 28 22:57:04.662 INFO [stderr]    |                   help: remove this `mut`
Nov 28 22:57:04.663 INFO [stderr]    |
Nov 28 22:57:04.663 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 22:57:04.663 INFO [stderr] 
Nov 28 22:57:04.664 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:57:04.664 INFO [stderr]   --> src/syntax/mod.rs:84:19
Nov 28 22:57:04.664 INFO [stderr]    |
Nov 28 22:57:04.664 INFO [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Nov 28 22:57:04.665 INFO [stderr]    |                   ----^^^^^^^^^
Nov 28 22:57:04.665 INFO [stderr]    |                   |
Nov 28 22:57:04.665 INFO [stderr]    |                   help: remove this `mut`
Nov 28 22:57:04.666 INFO [stderr] 
Nov 28 22:57:04.680 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 22:57:04.681 INFO [stderr]   --> src/lib.rs:17:12
Nov 28 22:57:04.681 INFO [stderr]    |
Nov 28 22:57:04.681 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Nov 28 22:57:04.682 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:57:04.682 INFO [stderr]    |
Nov 28 22:57:04.682 INFO [stderr]    = note: #[warn(stable_features)] on by default
Nov 28 22:57:04.683 INFO [stderr] 
Nov 28 22:57:04.683 INFO [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 28 22:57:04.683 INFO [stderr]   --> src/lib.rs:17:37
Nov 28 22:57:04.683 INFO [stderr]    |
Nov 28 22:57:04.684 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Nov 28 22:57:04.684 INFO [stderr]    |                                     ^^^^^^^^^
Nov 28 22:57:04.684 INFO [stderr] 
Nov 28 22:57:05.904 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:57:05.904 INFO [stderr]   --> src/syntax/mod.rs:59:19
Nov 28 22:57:05.904 INFO [stderr]    |
Nov 28 22:57:05.904 INFO [stderr] 59 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Nov 28 22:57:05.904 INFO [stderr]    |                   ----^^^^^^^^^
Nov 28 22:57:05.904 INFO [stderr]    |                   |
Nov 28 22:57:05.904 INFO [stderr]    |                   help: remove this `mut`
Nov 28 22:57:05.904 INFO [stderr]    |
Nov 28 22:57:05.904 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 22:57:05.904 INFO [stderr] 
Nov 28 22:57:05.904 INFO [stderr] warning: variable does not need to be mutable
Nov 28 22:57:05.904 INFO [stderr]   --> src/syntax/mod.rs:84:19
Nov 28 22:57:05.904 INFO [stderr]    |
Nov 28 22:57:05.904 INFO [stderr] 84 |     fn fmt(&self, mut formatter: &mut fmt::Formatter) -> fmt::Result {
Nov 28 22:57:05.904 INFO [stderr]    |                   ----^^^^^^^^^
Nov 28 22:57:05.904 INFO [stderr]    |                   |
Nov 28 22:57:05.904 INFO [stderr]    |                   help: remove this `mut`
Nov 28 22:57:05.905 INFO [stderr] 
Nov 28 22:57:05.944 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 22:57:05.944 INFO [stderr]   --> src/lib.rs:17:12
Nov 28 22:57:05.944 INFO [stderr]    |
Nov 28 22:57:05.944 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Nov 28 22:57:05.944 INFO [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 22:57:05.944 INFO [stderr]    |
Nov 28 22:57:05.944 INFO [stderr]    = note: #[warn(stable_features)] on by default
Nov 28 22:57:05.944 INFO [stderr] 
Nov 28 22:57:05.944 INFO [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 28 22:57:05.944 INFO [stderr]   --> src/lib.rs:17:37
Nov 28 22:57:05.944 INFO [stderr]    |
Nov 28 22:57:05.944 INFO [stderr] 17 | #![feature(conservative_impl_trait, i128_type)]
Nov 28 22:57:05.944 INFO [stderr]    |                                     ^^^^^^^^^
Nov 28 22:57:05.944 INFO [stderr] 
Nov 28 22:57:07.084 INFO [stderr] warning: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
Nov 28 22:57:07.084 INFO [stderr]   --> tests/statistics.rs:15:12
Nov 28 22:57:07.084 INFO [stderr]    |
Nov 28 22:57:07.084 INFO [stderr] 15 | #![feature(i128_type)]
Nov 28 22:57:07.084 INFO [stderr]    |            ^^^^^^^^^
Nov 28 22:57:07.084 INFO [stderr]    |
Nov 28 22:57:07.084 INFO [stderr]    = note: #[warn(stable_features)] on by default
Nov 28 22:57:07.084 INFO [stderr] 
Nov 28 22:57:07.244 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
Nov 28 22:57:07.249 INFO [stderr] su: No module specific data is present
Nov 28 22:57:07.622 INFO running `"docker" "inspect" "7deb76e3890e0ae70b07c5d358ed51c94684bb2ec1974902febe104f79e2909f"`
Nov 28 22:57:07.767 INFO running `"docker" "rm" "-f" "7deb76e3890e0ae70b07c5d358ed51c94684bb2ec1974902febe104f79e2909f"`
Nov 28 22:57:08.013 INFO [stdout] 7deb76e3890e0ae70b07c5d358ed51c94684bb2ec1974902febe104f79e2909f