Dec 19 12:15:57.688 INFO checking mtn/ipsum against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 12:15:57.689 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/mtn/ipsum:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 12:15:57.911 INFO [stdout] 8ce58ccb2a7ddb1660d9e8c63c4972d29971f419c1fbc94c2fc6ddd3858822f4
Dec 19 12:15:57.913 INFO running `"docker" "start" "-a" "8ce58ccb2a7ddb1660d9e8c63c4972d29971f419c1fbc94c2fc6ddd3858822f4"`
Dec 19 12:15:58.638 INFO [stderr]     Checking smallvec v0.6.3
Dec 19 12:15:59.180 INFO [stderr]     Checking ropey v0.8.0
Dec 19 12:15:59.964 INFO [stderr]     Checking ipsum v0.1.0 (/opt/crater/workdir)
Dec 19 12:16:00.208 INFO [stderr] warning: method is never used: `set_name`
Dec 19 12:16:00.208 INFO [stderr]   --> src/buffer.rs:42:5
Dec 19 12:16:00.208 INFO [stderr]    |
Dec 19 12:16:00.208 INFO [stderr] 42 |     pub fn set_name(&mut self, filename: &str) -> Option<Buffer> {
Dec 19 12:16:00.208 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:16:00.208 INFO [stderr]    |
Dec 19 12:16:00.208 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:16:00.208 INFO [stderr] 
Dec 19 12:16:00.208 INFO [stderr] warning: method is never used: `save`
Dec 19 12:16:00.208 INFO [stderr]   --> src/buffer.rs:60:5
Dec 19 12:16:00.208 INFO [stderr]    |
Dec 19 12:16:00.208 INFO [stderr] 60 |     pub fn save(&mut self) -> bool {
Dec 19 12:16:00.208 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:16:00.208 INFO [stderr] 
Dec 19 12:16:00.208 INFO [stderr] warning: variant is never constructed: `Insert`
Dec 19 12:16:00.208 INFO [stderr]  --> src/editor.rs:9:5
Dec 19 12:16:00.208 INFO [stderr]   |
Dec 19 12:16:00.208 INFO [stderr] 9 |     Insert,
Dec 19 12:16:00.208 INFO [stderr]   |     ^^^^^^
Dec 19 12:16:00.208 INFO [stderr] 
Dec 19 12:16:00.208 INFO [stderr] warning: field is never used: `buffers`
Dec 19 12:16:00.208 INFO [stderr]   --> src/editor.rs:17:5
Dec 19 12:16:00.208 INFO [stderr]    |
Dec 19 12:16:00.208 INFO [stderr] 17 |     buffers: Vec<Buffer>,
Dec 19 12:16:00.208 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:16:00.208 INFO [stderr] 
Dec 19 12:16:00.208 INFO [stderr] warning: field is never used: `mode`
Dec 19 12:16:00.209 INFO [stderr]   --> src/editor.rs:19:5
Dec 19 12:16:00.209 INFO [stderr]    |
Dec 19 12:16:00.209 INFO [stderr] 19 |     mode: Mode,
Dec 19 12:16:00.209 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 12:16:00.209 INFO [stderr] 
Dec 19 12:16:00.209 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 19 12:16:00.209 INFO [stderr]  --> src/main.rs:1:12
Dec 19 12:16:00.209 INFO [stderr]   |
Dec 19 12:16:00.209 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 19 12:16:00.209 INFO [stderr]   |            ^^^^^^^^^^^^^^
Dec 19 12:16:00.209 INFO [stderr]   |
Dec 19 12:16:00.209 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 12:16:00.209 INFO [stderr] 
Dec 19 12:16:00.228 INFO [stderr] warning: method is never used: `set_name`
Dec 19 12:16:00.228 INFO [stderr]   --> src/buffer.rs:42:5
Dec 19 12:16:00.228 INFO [stderr]    |
Dec 19 12:16:00.228 INFO [stderr] 42 |     pub fn set_name(&mut self, filename: &str) -> Option<Buffer> {
Dec 19 12:16:00.228 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:16:00.228 INFO [stderr]    |
Dec 19 12:16:00.228 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 12:16:00.228 INFO [stderr] 
Dec 19 12:16:00.228 INFO [stderr] warning: method is never used: `save`
Dec 19 12:16:00.228 INFO [stderr]   --> src/buffer.rs:60:5
Dec 19 12:16:00.228 INFO [stderr]    |
Dec 19 12:16:00.228 INFO [stderr] 60 |     pub fn save(&mut self) -> bool {
Dec 19 12:16:00.228 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:16:00.228 INFO [stderr] 
Dec 19 12:16:00.228 INFO [stderr] warning: variant is never constructed: `Insert`
Dec 19 12:16:00.228 INFO [stderr]  --> src/editor.rs:9:5
Dec 19 12:16:00.228 INFO [stderr]   |
Dec 19 12:16:00.228 INFO [stderr] 9 |     Insert,
Dec 19 12:16:00.232 INFO [stderr]   |     ^^^^^^
Dec 19 12:16:00.232 INFO [stderr] 
Dec 19 12:16:00.232 INFO [stderr] warning: field is never used: `buffers`
Dec 19 12:16:00.232 INFO [stderr]   --> src/editor.rs:17:5
Dec 19 12:16:00.232 INFO [stderr]    |
Dec 19 12:16:00.232 INFO [stderr] 17 |     buffers: Vec<Buffer>,
Dec 19 12:16:00.232 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:16:00.232 INFO [stderr] 
Dec 19 12:16:00.232 INFO [stderr] warning: field is never used: `mode`
Dec 19 12:16:00.232 INFO [stderr]   --> src/editor.rs:19:5
Dec 19 12:16:00.232 INFO [stderr]    |
Dec 19 12:16:00.232 INFO [stderr] 19 |     mode: Mode,
Dec 19 12:16:00.232 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 12:16:00.232 INFO [stderr] 
Dec 19 12:16:00.232 INFO [stderr] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 19 12:16:00.232 INFO [stderr]  --> src/main.rs:1:12
Dec 19 12:16:00.232 INFO [stderr]   |
Dec 19 12:16:00.232 INFO [stderr] 1 | #![feature(extern_prelude)]
Dec 19 12:16:00.232 INFO [stderr]   |            ^^^^^^^^^^^^^^
Dec 19 12:16:00.232 INFO [stderr]   |
Dec 19 12:16:00.232 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 12:16:00.232 INFO [stderr] 
Dec 19 12:16:00.259 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
Dec 19 12:16:00.602 INFO running `"docker" "inspect" "8ce58ccb2a7ddb1660d9e8c63c4972d29971f419c1fbc94c2fc6ddd3858822f4"`
Dec 19 12:16:00.730 INFO running `"docker" "rm" "-f" "8ce58ccb2a7ddb1660d9e8c63c4972d29971f419c1fbc94c2fc6ddd3858822f4"`
Dec 19 12:16:00.834 INFO [stdout] 8ce58ccb2a7ddb1660d9e8c63c4972d29971f419c1fbc94c2fc6ddd3858822f4