Dec 12 01:40:30.081 INFO checking LukeThoma5/rs-solitaire against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:40:30.081 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 01:40:30.468 INFO [stdout] 3283dc60f324d00b11f1d9c687543cfad8ed5bd52e07522fa99dec785bb3d325
Dec 12 01:40:30.470 INFO running `"docker" "start" "-a" "3283dc60f324d00b11f1d9c687543cfad8ed5bd52e07522fa99dec785bb3d325"`
Dec 12 01:40:32.375 INFO [stderr] usermod: no changes
Dec 12 01:40:32.527 INFO [stderr]     Checking solataire v0.1.0 (/source)
Dec 12 01:40:33.712 INFO [stderr] warning: unused variable: `x`
Dec 12 01:40:33.712 INFO [stderr]   --> src/main.rs:34:13
Dec 12 01:40:33.712 INFO [stderr]    |
Dec 12 01:40:33.712 INFO [stderr] 34 |     fn from(x: std::option::NoneError) -> GameError {
Dec 12 01:40:33.712 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 12 01:40:33.712 INFO [stderr]    |
Dec 12 01:40:33.712 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 01:40:33.712 INFO [stderr] 
Dec 12 01:40:33.712 INFO [stderr] warning: unused variable: `x`
Dec 12 01:40:33.712 INFO [stderr]   --> src/main.rs:40:13
Dec 12 01:40:33.712 INFO [stderr]    |
Dec 12 01:40:33.712 INFO [stderr] 40 |     fn from(x: std::num::ParseIntError) -> GameError {
Dec 12 01:40:33.712 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 12 01:40:33.712 INFO [stderr] 
Dec 12 01:40:33.712 INFO [stderr] warning: unused variable: `x`
Dec 12 01:40:33.712 INFO [stderr]   --> src/main.rs:46:13
Dec 12 01:40:33.712 INFO [stderr]    |
Dec 12 01:40:33.712 INFO [stderr] 46 |     fn from(x: std::io::Error) -> GameError {
Dec 12 01:40:33.712 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 12 01:40:33.712 INFO [stderr] 
Dec 12 01:40:33.732 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:40:33.732 INFO [stderr]    --> src/main.rs:166:31
Dec 12 01:40:33.732 INFO [stderr]     |
Dec 12 01:40:33.732 INFO [stderr] 166 |         let (mut move_column, mut destination_column) = match (move_column, destination_column) {
Dec 12 01:40:33.732 INFO [stderr]     |                               ----^^^^^^^^^^^^^^^^^^
Dec 12 01:40:33.732 INFO [stderr]     |                               |
Dec 12 01:40:33.732 INFO [stderr]     |                               help: remove this `mut`
Dec 12 01:40:33.732 INFO [stderr]     |
Dec 12 01:40:33.732 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 01:40:33.732 INFO [stderr] 
Dec 12 01:40:33.732 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:40:33.732 INFO [stderr]    --> src/main.rs:166:14
Dec 12 01:40:33.732 INFO [stderr]     |
Dec 12 01:40:33.733 INFO [stderr] 166 |         let (mut move_column, mut destination_column) = match (move_column, destination_column) {
Dec 12 01:40:33.733 INFO [stderr]     |              ----^^^^^^^^^^^
Dec 12 01:40:33.733 INFO [stderr]     |              |
Dec 12 01:40:33.733 INFO [stderr]     |              help: remove this `mut`
Dec 12 01:40:33.733 INFO [stderr] 
Dec 12 01:40:33.758 INFO [stderr] warning: the feature `proc_macro_path_invoc` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 12 01:40:33.758 INFO [stderr]  --> src/main.rs:2:12
Dec 12 01:40:33.758 INFO [stderr]   |
Dec 12 01:40:33.758 INFO [stderr] 2 | #![feature(proc_macro_path_invoc)]
Dec 12 01:40:33.758 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:40:33.758 INFO [stderr]   |
Dec 12 01:40:33.758 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 01:40:33.759 INFO [stderr] 
Dec 12 01:40:33.759 INFO [stderr] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 12 01:40:33.759 INFO [stderr]  --> src/main.rs:3:12
Dec 12 01:40:33.759 INFO [stderr]   |
Dec 12 01:40:33.759 INFO [stderr] 3 | #![feature(use_extern_macros)]
Dec 12 01:40:33.759 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 12 01:40:33.764 INFO [stderr] 
Dec 12 01:40:33.829 INFO [stderr] warning: unused variable: `x`
Dec 12 01:40:33.829 INFO [stderr]   --> src/main.rs:34:13
Dec 12 01:40:33.829 INFO [stderr]    |
Dec 12 01:40:33.829 INFO [stderr] 34 |     fn from(x: std::option::NoneError) -> GameError {
Dec 12 01:40:33.829 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 12 01:40:33.829 INFO [stderr]    |
Dec 12 01:40:33.829 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 01:40:33.829 INFO [stderr] 
Dec 12 01:40:33.829 INFO [stderr] warning: unused variable: `x`
Dec 12 01:40:33.829 INFO [stderr]   --> src/main.rs:40:13
Dec 12 01:40:33.829 INFO [stderr]    |
Dec 12 01:40:33.829 INFO [stderr] 40 |     fn from(x: std::num::ParseIntError) -> GameError {
Dec 12 01:40:33.829 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 12 01:40:33.829 INFO [stderr] 
Dec 12 01:40:33.829 INFO [stderr] warning: unused variable: `x`
Dec 12 01:40:33.829 INFO [stderr]   --> src/main.rs:46:13
Dec 12 01:40:33.829 INFO [stderr]    |
Dec 12 01:40:33.829 INFO [stderr] 46 |     fn from(x: std::io::Error) -> GameError {
Dec 12 01:40:33.829 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 12 01:40:33.829 INFO [stderr] 
Dec 12 01:40:33.850 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:40:33.851 INFO [stderr]    --> src/main.rs:166:31
Dec 12 01:40:33.851 INFO [stderr]     |
Dec 12 01:40:33.856 INFO [stderr] 166 |         let (mut move_column, mut destination_column) = match (move_column, destination_column) {
Dec 12 01:40:33.856 INFO [stderr]     |                               ----^^^^^^^^^^^^^^^^^^
Dec 12 01:40:33.856 INFO [stderr]     |                               |
Dec 12 01:40:33.856 INFO [stderr]     |                               help: remove this `mut`
Dec 12 01:40:33.856 INFO [stderr]     |
Dec 12 01:40:33.856 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 01:40:33.856 INFO [stderr] 
Dec 12 01:40:33.856 INFO [stderr] warning: variable does not need to be mutable
Dec 12 01:40:33.856 INFO [stderr]    --> src/main.rs:166:14
Dec 12 01:40:33.856 INFO [stderr]     |
Dec 12 01:40:33.856 INFO [stderr] 166 |         let (mut move_column, mut destination_column) = match (move_column, destination_column) {
Dec 12 01:40:33.856 INFO [stderr]     |              ----^^^^^^^^^^^
Dec 12 01:40:33.856 INFO [stderr]     |              |
Dec 12 01:40:33.856 INFO [stderr]     |              help: remove this `mut`
Dec 12 01:40:33.856 INFO [stderr] 
Dec 12 01:40:33.877 INFO [stderr] warning: the feature `proc_macro_path_invoc` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 12 01:40:33.877 INFO [stderr]  --> src/main.rs:2:12
Dec 12 01:40:33.877 INFO [stderr]   |
Dec 12 01:40:33.877 INFO [stderr] 2 | #![feature(proc_macro_path_invoc)]
Dec 12 01:40:33.877 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:40:33.877 INFO [stderr]   |
Dec 12 01:40:33.877 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 01:40:33.877 INFO [stderr] 
Dec 12 01:40:33.877 INFO [stderr] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 12 01:40:33.877 INFO [stderr]  --> src/main.rs:3:12
Dec 12 01:40:33.877 INFO [stderr]   |
Dec 12 01:40:33.877 INFO [stderr] 3 | #![feature(use_extern_macros)]
Dec 12 01:40:33.877 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 12 01:40:33.877 INFO [stderr] 
Dec 12 01:40:33.909 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
Dec 12 01:40:33.912 INFO [stderr] su: No module specific data is present
Dec 12 01:40:34.532 INFO running `"docker" "inspect" "3283dc60f324d00b11f1d9c687543cfad8ed5bd52e07522fa99dec785bb3d325"`
Dec 12 01:40:34.882 INFO running `"docker" "rm" "-f" "3283dc60f324d00b11f1d9c687543cfad8ed5bd52e07522fa99dec785bb3d325"`
Dec 12 01:40:35.204 INFO [stdout] 3283dc60f324d00b11f1d9c687543cfad8ed5bd52e07522fa99dec785bb3d325