Dec 18 09:58:26.445 INFO checking tshell-0.2.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:58:26.445 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/tshell/0.2.2:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 09:58:26.648 INFO [stdout] b14889f97cd87f85cc707af338e5ea08af24298c604fc4e737f541a75e741f1c
Dec 18 09:58:26.656 INFO running `"docker" "start" "-a" "b14889f97cd87f85cc707af338e5ea08af24298c604fc4e737f541a75e741f1c"`
Dec 18 09:58:27.984 INFO [stderr]     Checking nix v0.5.1
Dec 18 09:58:30.652 INFO [stderr]     Checking rustyline v1.0.0
Dec 18 09:58:31.288 INFO [stderr]     Checking tshell v0.2.2 (/opt/crater/workdir)
Dec 18 09:58:31.607 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 09:58:31.607 INFO [stderr]    --> src/commands.rs:312:42
Dec 18 09:58:31.607 INFO [stderr]     |
Dec 18 09:58:31.607 INFO [stderr] 312 |             context: Arc::new(Mutex::new((context)))
Dec 18 09:58:31.607 INFO [stderr]     |                                          ^^^^^^^^^ help: remove these parentheses
Dec 18 09:58:31.607 INFO [stderr]     |
Dec 18 09:58:31.607 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 09:58:31.607 INFO [stderr] 
Dec 18 09:58:31.624 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 18 09:58:31.624 INFO [stderr]    --> src/commands.rs:394:24
Dec 18 09:58:31.624 INFO [stderr]     |
Dec 18 09:58:31.624 INFO [stderr] 394 |         let home_dir = env::home_dir()
Dec 18 09:58:31.624 INFO [stderr]     |                        ^^^^^^^^^^^^^
Dec 18 09:58:31.624 INFO [stderr]     |
Dec 18 09:58:31.624 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 09:58:31.624 INFO [stderr] 
Dec 18 09:58:31.626 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 09:58:31.626 INFO [stderr]    --> src/commands.rs:312:42
Dec 18 09:58:31.626 INFO [stderr]     |
Dec 18 09:58:31.626 INFO [stderr] 312 |             context: Arc::new(Mutex::new((context)))
Dec 18 09:58:31.626 INFO [stderr]     |                                          ^^^^^^^^^ help: remove these parentheses
Dec 18 09:58:31.626 INFO [stderr]     |
Dec 18 09:58:31.626 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 09:58:31.626 INFO [stderr] 
Dec 18 09:58:31.642 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 18 09:58:31.642 INFO [stderr]    --> src/commands.rs:394:24
Dec 18 09:58:31.642 INFO [stderr]     |
Dec 18 09:58:31.642 INFO [stderr] 394 |         let home_dir = env::home_dir()
Dec 18 09:58:31.642 INFO [stderr]     |                        ^^^^^^^^^^^^^
Dec 18 09:58:31.642 INFO [stderr]     |
Dec 18 09:58:31.642 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 09:58:31.642 INFO [stderr] 
Dec 18 09:58:31.688 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
Dec 18 09:58:31.688 INFO [stderr]    --> src/commands.rs:321:42
Dec 18 09:58:31.688 INFO [stderr]     |
Dec 18 09:58:31.688 INFO [stderr] 321 |         let mut levels: Vec<&str> = line.trim_left().split_whitespace().collect();
Dec 18 09:58:31.688 INFO [stderr]     |                                          ^^^^^^^^^
Dec 18 09:58:31.688 INFO [stderr] 
Dec 18 09:58:31.708 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
Dec 18 09:58:31.708 INFO [stderr]    --> src/commands.rs:321:42
Dec 18 09:58:31.708 INFO [stderr]     |
Dec 18 09:58:31.708 INFO [stderr] 321 |         let mut levels: Vec<&str> = line.trim_left().split_whitespace().collect();
Dec 18 09:58:31.708 INFO [stderr]     |                                          ^^^^^^^^^
Dec 18 09:58:31.708 INFO [stderr] 
Dec 18 09:58:32.277 INFO [stderr] warning: unused variable: `args`
Dec 18 09:58:32.277 INFO [stderr]   --> examples/example.rs:12:10
Dec 18 09:58:32.277 INFO [stderr]    |
Dec 18 09:58:32.277 INFO [stderr] 12 | fn world(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
Dec 18 09:58:32.277 INFO [stderr]    |          ^^^^ help: consider using `_args` instead
Dec 18 09:58:32.277 INFO [stderr]    |
Dec 18 09:58:32.278 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 09:58:32.278 INFO [stderr] 
Dec 18 09:58:32.278 INFO [stderr] warning: unused variable: `o_context`
Dec 18 09:58:32.278 INFO [stderr]   --> examples/example.rs:12:39
Dec 18 09:58:32.278 INFO [stderr]    |
Dec 18 09:58:32.278 INFO [stderr] 12 | fn world(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
Dec 18 09:58:32.278 INFO [stderr]    |                                       ^^^^^^^^^ help: consider using `_o_context` instead
Dec 18 09:58:32.278 INFO [stderr] 
Dec 18 09:58:32.278 INFO [stderr] warning: unused variable: `o_context`
Dec 18 09:58:32.278 INFO [stderr]   --> examples/example.rs:20:42
Dec 18 09:58:32.278 INFO [stderr]    |
Dec 18 09:58:32.278 INFO [stderr] 20 | fn darkness(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
Dec 18 09:58:32.278 INFO [stderr]    |                                          ^^^^^^^^^ help: consider using `_o_context` instead
Dec 18 09:58:32.278 INFO [stderr] 
Dec 18 09:58:32.278 INFO [stderr] warning: unused variable: `history`
Dec 18 09:58:32.278 INFO [stderr]   --> examples/example.rs:20:75
Dec 18 09:58:32.278 INFO [stderr]    |
Dec 18 09:58:32.278 INFO [stderr] 20 | fn darkness(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
Dec 18 09:58:32.278 INFO [stderr]    |                                                                           ^^^^^^^ help: consider using `_history` instead
Dec 18 09:58:32.278 INFO [stderr] 
Dec 18 09:58:32.278 INFO [stderr] warning: unused variable: `o_context`
Dec 18 09:58:32.278 INFO [stderr]   --> examples/example.rs:30:45
Dec 18 09:58:32.278 INFO [stderr]    |
Dec 18 09:58:32.278 INFO [stderr] 30 | fn new_context(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
Dec 18 09:58:32.278 INFO [stderr]    |                                             ^^^^^^^^^ help: consider using `_o_context` instead
Dec 18 09:58:32.278 INFO [stderr] 
Dec 18 09:58:32.278 INFO [stderr] warning: unused variable: `history`
Dec 18 09:58:32.278 INFO [stderr]   --> examples/example.rs:30:78
Dec 18 09:58:32.278 INFO [stderr]    |
Dec 18 09:58:32.278 INFO [stderr] 30 | fn new_context(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
Dec 18 09:58:32.278 INFO [stderr]    |                                                                              ^^^^^^^ help: consider using `_history` instead
Dec 18 09:58:32.278 INFO [stderr] 
Dec 18 09:58:32.279 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:58:32.280 INFO [stderr]   --> examples/example.rs:42:9
Dec 18 09:58:32.280 INFO [stderr]    |
Dec 18 09:58:32.280 INFO [stderr] 42 |     let mut context = Context::default();
Dec 18 09:58:32.280 INFO [stderr]    |         ----^^^^^^^
Dec 18 09:58:32.280 INFO [stderr]    |         |
Dec 18 09:58:32.280 INFO [stderr]    |         help: remove this `mut`
Dec 18 09:58:32.280 INFO [stderr]    |
Dec 18 09:58:32.280 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 09:58:32.280 INFO [stderr] 
Dec 18 09:58:32.280 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:58:32.280 INFO [stderr]   --> examples/example.rs:43:9
Dec 18 09:58:32.280 INFO [stderr]    |
Dec 18 09:58:32.280 INFO [stderr] 43 |     let mut o_context = Some(context);
Dec 18 09:58:32.280 INFO [stderr]    |         ----^^^^^^^^^
Dec 18 09:58:32.280 INFO [stderr]    |         |
Dec 18 09:58:32.280 INFO [stderr]    |         help: remove this `mut`
Dec 18 09:58:32.280 INFO [stderr] 
Dec 18 09:58:32.305 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
Dec 18 09:58:32.618 INFO running `"docker" "inspect" "b14889f97cd87f85cc707af338e5ea08af24298c604fc4e737f541a75e741f1c"`
Dec 18 09:58:32.713 INFO running `"docker" "rm" "-f" "b14889f97cd87f85cc707af338e5ea08af24298c604fc4e737f541a75e741f1c"`
Dec 18 09:58:32.941 INFO [stdout] b14889f97cd87f85cc707af338e5ea08af24298c604fc4e737f541a75e741f1c