Dec 05 01:23:49.788 INFO checking LukeThoma5/rs-solitaire against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 01:23:49.788 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 01:23:50.315 INFO [stdout] c1ff310ca0030143808414edca7d7f8677623d9c2253a2fc2bf7233c83ee3f0a
Dec 05 01:23:50.323 INFO running `"docker" "start" "-a" "c1ff310ca0030143808414edca7d7f8677623d9c2253a2fc2bf7233c83ee3f0a"`
Dec 05 01:23:51.963 INFO [stderr] usermod: no changes
Dec 05 01:23:52.067 INFO [stderr]     Checking solataire v0.1.0 (/source)
Dec 05 01:23:53.153 INFO [stderr] warning: unused variable: `x`
Dec 05 01:23:53.153 INFO [stderr]   --> src/main.rs:34:13
Dec 05 01:23:53.153 INFO [stderr]    |
Dec 05 01:23:53.154 INFO [stderr] 34 |     fn from(x: std::option::NoneError) -> GameError {
Dec 05 01:23:53.154 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 05 01:23:53.154 INFO [stderr]    |
Dec 05 01:23:53.155 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 01:23:53.155 INFO [stderr] 
Dec 05 01:23:53.155 INFO [stderr] warning: unused variable: `x`
Dec 05 01:23:53.155 INFO [stderr]   --> src/main.rs:40:13
Dec 05 01:23:53.156 INFO [stderr]    |
Dec 05 01:23:53.156 INFO [stderr] 40 |     fn from(x: std::num::ParseIntError) -> GameError {
Dec 05 01:23:53.156 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 05 01:23:53.156 INFO [stderr] 
Dec 05 01:23:53.157 INFO [stderr] warning: unused variable: `x`
Dec 05 01:23:53.157 INFO [stderr]   --> src/main.rs:46:13
Dec 05 01:23:53.157 INFO [stderr]    |
Dec 05 01:23:53.157 INFO [stderr] 46 |     fn from(x: std::io::Error) -> GameError {
Dec 05 01:23:53.157 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 05 01:23:53.159 INFO [stderr] 
Dec 05 01:23:53.179 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:23:53.180 INFO [stderr]    --> src/main.rs:166:31
Dec 05 01:23:53.180 INFO [stderr]     |
Dec 05 01:23:53.180 INFO [stderr] 166 |         let (mut move_column, mut destination_column) = match (move_column, destination_column) {
Dec 05 01:23:53.181 INFO [stderr]     |                               ----^^^^^^^^^^^^^^^^^^
Dec 05 01:23:53.181 INFO [stderr]     |                               |
Dec 05 01:23:53.181 INFO [stderr]     |                               help: remove this `mut`
Dec 05 01:23:53.181 INFO [stderr] warning: unused variable: `x`
Dec 05 01:23:53.182 INFO [stderr]   --> src/main.rs:34:13
Dec 05 01:23:53.182 INFO [stderr]    |
Dec 05 01:23:53.182 INFO [stderr] 34 |     fn from(x: std::option::NoneError) -> GameError {
Dec 05 01:23:53.182 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 05 01:23:53.183 INFO [stderr]    |
Dec 05 01:23:53.183 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 01:23:53.183 INFO [stderr] 
Dec 05 01:23:53.183 INFO [stderr] warning: unused variable: `x`
Dec 05 01:23:53.184 INFO [stderr]   --> src/main.rs:40:13
Dec 05 01:23:53.184 INFO [stderr]    |
Dec 05 01:23:53.184 INFO [stderr] 40 |     fn from(x: std::num::ParseIntError) -> GameError {
Dec 05 01:23:53.184 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 05 01:23:53.184 INFO [stderr] 
Dec 05 01:23:53.184 INFO [stderr] warning: unused variable: `x`
Dec 05 01:23:53.184 INFO [stderr]   --> src/main.rs:46:13
Dec 05 01:23:53.184 INFO [stderr]    |
Dec 05 01:23:53.184 INFO [stderr] 46 |     fn from(x: std::io::Error) -> GameError {
Dec 05 01:23:53.184 INFO [stderr]    |             ^ help: consider using `_x` instead
Dec 05 01:23:53.184 INFO [stderr] 
Dec 05 01:23:53.184 INFO [stderr]     |
Dec 05 01:23:53.184 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 01:23:53.184 INFO [stderr] 
Dec 05 01:23:53.185 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:23:53.185 INFO [stderr]    --> src/main.rs:166:14
Dec 05 01:23:53.185 INFO [stderr]     |
Dec 05 01:23:53.186 INFO [stderr] 166 |         let (mut move_column, mut destination_column) = match (move_column, destination_column) {
Dec 05 01:23:53.186 INFO [stderr]     |              ----^^^^^^^^^^^
Dec 05 01:23:53.186 INFO [stderr]     |              |
Dec 05 01:23:53.186 INFO [stderr]     |              help: remove this `mut`
Dec 05 01:23:53.187 INFO [stderr] 
Dec 05 01:23:53.212 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 05 01:23:53.213 INFO [stderr]  --> src/main.rs:2:12
Dec 05 01:23:53.213 INFO [stderr]   |
Dec 05 01:23:53.213 INFO [stderr] 2 | #![feature(proc_macro_path_invoc)]
Dec 05 01:23:53.213 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:23:53.213 INFO [stderr]   |
Dec 05 01:23:53.213 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 01:23:53.213 INFO [stderr] 
Dec 05 01:23:53.216 INFO [stderr] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 05 01:23:53.216 INFO [stderr]  --> src/main.rs:3:12
Dec 05 01:23:53.216 INFO [stderr]   |
Dec 05 01:23:53.216 INFO [stderr] 3 | #![feature(use_extern_macros)]
Dec 05 01:23:53.216 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 05 01:23:53.216 INFO [stderr] 
Dec 05 01:23:53.227 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:23:53.227 INFO [stderr]    --> src/main.rs:166:31
Dec 05 01:23:53.227 INFO [stderr]     |
Dec 05 01:23:53.227 INFO [stderr] 166 |         let (mut move_column, mut destination_column) = match (move_column, destination_column) {
Dec 05 01:23:53.227 INFO [stderr]     |                               ----^^^^^^^^^^^^^^^^^^
Dec 05 01:23:53.227 INFO [stderr]     |                               |
Dec 05 01:23:53.227 INFO [stderr]     |                               help: remove this `mut`
Dec 05 01:23:53.227 INFO [stderr]     |
Dec 05 01:23:53.227 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 01:23:53.227 INFO [stderr] 
Dec 05 01:23:53.227 INFO [stderr] warning: variable does not need to be mutable
Dec 05 01:23:53.227 INFO [stderr]    --> src/main.rs:166:14
Dec 05 01:23:53.227 INFO [stderr]     |
Dec 05 01:23:53.227 INFO [stderr] 166 |         let (mut move_column, mut destination_column) = match (move_column, destination_column) {
Dec 05 01:23:53.227 INFO [stderr]     |              ----^^^^^^^^^^^
Dec 05 01:23:53.227 INFO [stderr]     |              |
Dec 05 01:23:53.227 INFO [stderr]     |              help: remove this `mut`
Dec 05 01:23:53.227 INFO [stderr] 
Dec 05 01:23:53.283 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 05 01:23:53.284 INFO [stderr]  --> src/main.rs:2:12
Dec 05 01:23:53.284 INFO [stderr]   |
Dec 05 01:23:53.284 INFO [stderr] 2 | #![feature(proc_macro_path_invoc)]
Dec 05 01:23:53.284 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:23:53.284 INFO [stderr]   |
Dec 05 01:23:53.284 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 01:23:53.284 INFO [stderr] 
Dec 05 01:23:53.284 INFO [stderr] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 05 01:23:53.284 INFO [stderr]  --> src/main.rs:3:12
Dec 05 01:23:53.284 INFO [stderr]   |
Dec 05 01:23:53.284 INFO [stderr] 3 | #![feature(use_extern_macros)]
Dec 05 01:23:53.284 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^
Dec 05 01:23:53.284 INFO [stderr] 
Dec 05 01:23:53.338 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Dec 05 01:23:53.339 INFO [stderr] su: No module specific data is present
Dec 05 01:23:54.221 INFO running `"docker" "inspect" "c1ff310ca0030143808414edca7d7f8677623d9c2253a2fc2bf7233c83ee3f0a"`
Dec 05 01:23:54.603 INFO running `"docker" "rm" "-f" "c1ff310ca0030143808414edca7d7f8677623d9c2253a2fc2bf7233c83ee3f0a"`
Dec 05 01:23:55.055 INFO [stdout] c1ff310ca0030143808414edca7d7f8677623d9c2253a2fc2bf7233c83ee3f0a