Dec 12 10:55:03.742 INFO checking nixterm-0.1.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 10:55:03.742 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 10:55:04.072 INFO [stdout] 85a5c38ec08318aa8d682814411410f432cd57234c062ec8b912b499f28776eb
Dec 12 10:55:04.078 INFO running `"docker" "start" "-a" "85a5c38ec08318aa8d682814411410f432cd57234c062ec8b912b499f28776eb"`
Dec 12 10:55:05.176 INFO [stderr] usermod: no changes
Dec 12 10:55:05.320 INFO [stderr]     Checking nixterm v0.1.1 (/source)
Dec 12 10:55:07.560 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 12 10:55:07.560 INFO [stderr]   --> src/terminfo/mod.rs:31:25
Dec 12 10:55:07.560 INFO [stderr]    |
Dec 12 10:55:07.560 INFO [stderr] 31 |     if let Some(home) = env::home_dir() {
Dec 12 10:55:07.560 INFO [stderr]    |                         ^^^^^^^^^^^^^
Dec 12 10:55:07.560 INFO [stderr]    |
Dec 12 10:55:07.560 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 12 10:55:07.560 INFO [stderr] 
Dec 12 10:55:07.776 INFO [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
Dec 12 10:55:07.776 INFO [stderr]   --> src/terminfo/mod.rs:31:25
Dec 12 10:55:07.776 INFO [stderr]    |
Dec 12 10:55:07.776 INFO [stderr] 31 |     if let Some(home) = env::home_dir() {
Dec 12 10:55:07.776 INFO [stderr]    |                         ^^^^^^^^^^^^^
Dec 12 10:55:07.776 INFO [stderr]    |
Dec 12 10:55:07.776 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 12 10:55:07.776 INFO [stderr] 
Dec 12 10:55:08.398 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:55:08.398 INFO [stderr]    --> src/term.rs:662:31
Dec 12 10:55:08.398 INFO [stderr]     |
Dec 12 10:55:08.398 INFO [stderr] 662 |     pub fn default_background(mut self) -> Self {
Dec 12 10:55:08.399 INFO [stderr]     |                               ----^^^^
Dec 12 10:55:08.399 INFO [stderr]     |                               |
Dec 12 10:55:08.399 INFO [stderr]     |                               help: remove this `mut`
Dec 12 10:55:08.399 INFO [stderr]     |
Dec 12 10:55:08.399 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 10:55:08.399 INFO [stderr] 
Dec 12 10:55:08.399 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:55:08.399 INFO [stderr]    --> src/term.rs:666:31
Dec 12 10:55:08.399 INFO [stderr]     |
Dec 12 10:55:08.399 INFO [stderr] 666 |     pub fn default_foreground(mut self) -> Self {
Dec 12 10:55:08.399 INFO [stderr]     |                               ----^^^^
Dec 12 10:55:08.399 INFO [stderr]     |                               |
Dec 12 10:55:08.399 INFO [stderr]     |                               help: remove this `mut`
Dec 12 10:55:08.399 INFO [stderr] 
Dec 12 10:55:08.648 INFO [stderr] warning: method is never used: `write_u8`
Dec 12 10:55:08.648 INFO [stderr]    --> src/term.rs:412:5
Dec 12 10:55:08.648 INFO [stderr]     |
Dec 12 10:55:08.648 INFO [stderr] 412 |     fn write_u8(mut self, x: u8) -> Self {
Dec 12 10:55:08.648 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:55:08.648 INFO [stderr]     |
Dec 12 10:55:08.648 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 10:55:08.648 INFO [stderr] 
Dec 12 10:55:09.220 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:55:09.220 INFO [stderr]    --> src/term.rs:662:31
Dec 12 10:55:09.220 INFO [stderr]     |
Dec 12 10:55:09.220 INFO [stderr] 662 |     pub fn default_background(mut self) -> Self {
Dec 12 10:55:09.220 INFO [stderr]     |                               ----^^^^
Dec 12 10:55:09.220 INFO [stderr]     |                               |
Dec 12 10:55:09.220 INFO [stderr]     |                               help: remove this `mut`
Dec 12 10:55:09.220 INFO [stderr]     |
Dec 12 10:55:09.220 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 12 10:55:09.220 INFO [stderr] 
Dec 12 10:55:09.220 INFO [stderr] warning: variable does not need to be mutable
Dec 12 10:55:09.220 INFO [stderr]    --> src/term.rs:666:31
Dec 12 10:55:09.220 INFO [stderr]     |
Dec 12 10:55:09.220 INFO [stderr] 666 |     pub fn default_foreground(mut self) -> Self {
Dec 12 10:55:09.220 INFO [stderr]     |                               ----^^^^
Dec 12 10:55:09.220 INFO [stderr]     |                               |
Dec 12 10:55:09.220 INFO [stderr]     |                               help: remove this `mut`
Dec 12 10:55:09.220 INFO [stderr] 
Dec 12 10:55:09.616 INFO [stderr] warning: method is never used: `write_u8`
Dec 12 10:55:09.616 INFO [stderr]    --> src/term.rs:412:5
Dec 12 10:55:09.616 INFO [stderr]     |
Dec 12 10:55:09.616 INFO [stderr] 412 |     fn write_u8(mut self, x: u8) -> Self {
Dec 12 10:55:09.616 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 10:55:09.616 INFO [stderr]     |
Dec 12 10:55:09.616 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 10:55:09.616 INFO [stderr] 
Dec 12 10:55:10.744 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 10:55:10.744 INFO [stderr]   --> examples/term.rs:38:5
Dec 12 10:55:10.744 INFO [stderr]    |
Dec 12 10:55:10.744 INFO [stderr] 38 |     term.println("");
Dec 12 10:55:10.744 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 12 10:55:10.744 INFO [stderr]    |
Dec 12 10:55:10.744 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 10:55:10.744 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 10:55:10.744 INFO [stderr] 
Dec 12 10:55:10.744 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 10:55:10.745 INFO [stderr]   --> examples/term.rs:51:5
Dec 12 10:55:10.745 INFO [stderr]    |
Dec 12 10:55:10.745 INFO [stderr] 51 |     term.println("");
Dec 12 10:55:10.745 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 12 10:55:10.746 INFO [stderr]    |
Dec 12 10:55:10.746 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 10:55:10.746 INFO [stderr] 
Dec 12 10:55:10.746 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 10:55:10.747 INFO [stderr]   --> examples/term.rs:52:5
Dec 12 10:55:10.747 INFO [stderr]    |
Dec 12 10:55:10.747 INFO [stderr] 52 |     term.println("");
Dec 12 10:55:10.747 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 12 10:55:10.748 INFO [stderr]    |
Dec 12 10:55:10.748 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 10:55:10.748 INFO [stderr] 
Dec 12 10:55:11.427 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.22s
Dec 12 10:55:11.453 INFO [stderr] su: No module specific data is present
Dec 12 10:55:11.830 INFO running `"docker" "inspect" "85a5c38ec08318aa8d682814411410f432cd57234c062ec8b912b499f28776eb"`
Dec 12 10:55:11.969 INFO running `"docker" "rm" "-f" "85a5c38ec08318aa8d682814411410f432cd57234c062ec8b912b499f28776eb"`
Dec 12 10:55:12.087 INFO [stdout] 85a5c38ec08318aa8d682814411410f432cd57234c062ec8b912b499f28776eb