Dec 18 09:58:26.561 INFO checking tshell-0.2.2 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 09:58:26.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 09:58:26.776 INFO [stdout] c010f9cebe5dff2b4f3dd14f4bd940ab2236ed98a22d0aee2010adce8ea1b3ea
Dec 18 09:58:26.779 INFO running `"docker" "start" "-a" "c010f9cebe5dff2b4f3dd14f4bd940ab2236ed98a22d0aee2010adce8ea1b3ea"`
Dec 18 09:58:27.960 INFO [stderr]     Checking rustyline v1.0.0
Dec 18 09:58:28.752 INFO [stderr]     Checking tshell v0.2.2 (/opt/crater/workdir)
Dec 18 09:58:29.164 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 09:58:29.164 INFO [stderr]    --> src/commands.rs:312:42
Dec 18 09:58:29.164 INFO [stderr]     |
Dec 18 09:58:29.164 INFO [stderr] 312 |             context: Arc::new(Mutex::new((context)))
Dec 18 09:58:29.164 INFO [stderr]     |                                          ^^^^^^^^^ help: remove these parentheses
Dec 18 09:58:29.164 INFO [stderr]     |
Dec 18 09:58:29.164 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 09:58:29.164 INFO [stderr] 
Dec 18 09:58:29.180 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 09:58:29.180 INFO [stderr]    --> src/commands.rs:394:24
Dec 18 09:58:29.180 INFO [stderr]     |
Dec 18 09:58:29.180 INFO [stderr] 394 |         let home_dir = env::home_dir()
Dec 18 09:58:29.180 INFO [stderr]     |                        ^^^^^^^^^^^^^
Dec 18 09:58:29.180 INFO [stderr]     |
Dec 18 09:58:29.180 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 09:58:29.180 INFO [stderr] 
Dec 18 09:58:29.200 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 18 09:58:29.200 INFO [stderr]    --> src/commands.rs:312:42
Dec 18 09:58:29.200 INFO [stderr]     |
Dec 18 09:58:29.200 INFO [stderr] 312 |             context: Arc::new(Mutex::new((context)))
Dec 18 09:58:29.200 INFO [stderr]     |                                          ^^^^^^^^^ help: remove these parentheses
Dec 18 09:58:29.200 INFO [stderr]     |
Dec 18 09:58:29.200 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 18 09:58:29.200 INFO [stderr] 
Dec 18 09:58:29.216 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 09:58:29.216 INFO [stderr]    --> src/commands.rs:394:24
Dec 18 09:58:29.216 INFO [stderr]     |
Dec 18 09:58:29.216 INFO [stderr] 394 |         let home_dir = env::home_dir()
Dec 18 09:58:29.216 INFO [stderr]     |                        ^^^^^^^^^^^^^
Dec 18 09:58:29.216 INFO [stderr]     |
Dec 18 09:58:29.216 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 09:58:29.216 INFO [stderr] 
Dec 18 09:58:29.244 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
Dec 18 09:58:29.244 INFO [stderr]    --> src/commands.rs:321:42
Dec 18 09:58:29.244 INFO [stderr]     |
Dec 18 09:58:29.244 INFO [stderr] 321 |         let mut levels: Vec<&str> = line.trim_left().split_whitespace().collect();
Dec 18 09:58:29.244 INFO [stderr]     |                                          ^^^^^^^^^
Dec 18 09:58:29.244 INFO [stderr] 
Dec 18 09:58:29.285 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
Dec 18 09:58:29.285 INFO [stderr]    --> src/commands.rs:321:42
Dec 18 09:58:29.285 INFO [stderr]     |
Dec 18 09:58:29.285 INFO [stderr] 321 |         let mut levels: Vec<&str> = line.trim_left().split_whitespace().collect();
Dec 18 09:58:29.285 INFO [stderr]     |                                          ^^^^^^^^^
Dec 18 09:58:29.285 INFO [stderr] 
Dec 18 09:58:29.908 INFO [stderr] warning: unused variable: `args`
Dec 18 09:58:29.908 INFO [stderr]   --> examples/example.rs:12:10
Dec 18 09:58:29.908 INFO [stderr]    |
Dec 18 09:58:29.908 INFO [stderr] 12 | fn world(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
Dec 18 09:58:29.908 INFO [stderr]    |          ^^^^ help: consider using `_args` instead
Dec 18 09:58:29.908 INFO [stderr]    |
Dec 18 09:58:29.909 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 09:58:29.909 INFO [stderr] 
Dec 18 09:58:29.909 INFO [stderr] warning: unused variable: `o_context`
Dec 18 09:58:29.909 INFO [stderr]   --> examples/example.rs:12:39
Dec 18 09:58:29.909 INFO [stderr]    |
Dec 18 09:58:29.909 INFO [stderr] 12 | fn world(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
Dec 18 09:58:29.909 INFO [stderr]    |                                       ^^^^^^^^^ help: consider using `_o_context` instead
Dec 18 09:58:29.909 INFO [stderr] 
Dec 18 09:58:29.909 INFO [stderr] warning: unused variable: `o_context`
Dec 18 09:58:29.909 INFO [stderr]   --> examples/example.rs:20:42
Dec 18 09:58:29.909 INFO [stderr]    |
Dec 18 09:58:29.909 INFO [stderr] 20 | fn darkness(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
Dec 18 09:58:29.909 INFO [stderr]    |                                          ^^^^^^^^^ help: consider using `_o_context` instead
Dec 18 09:58:29.909 INFO [stderr] 
Dec 18 09:58:29.909 INFO [stderr] warning: unused variable: `history`
Dec 18 09:58:29.909 INFO [stderr]   --> examples/example.rs:20:75
Dec 18 09:58:29.909 INFO [stderr]    |
Dec 18 09:58:29.909 INFO [stderr] 20 | fn darkness(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
Dec 18 09:58:29.909 INFO [stderr]    |                                                                           ^^^^^^^ help: consider using `_history` instead
Dec 18 09:58:29.909 INFO [stderr] 
Dec 18 09:58:29.909 INFO [stderr] warning: unused variable: `o_context`
Dec 18 09:58:29.909 INFO [stderr]   --> examples/example.rs:30:45
Dec 18 09:58:29.909 INFO [stderr]    |
Dec 18 09:58:29.909 INFO [stderr] 30 | fn new_context(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
Dec 18 09:58:29.909 INFO [stderr]    |                                             ^^^^^^^^^ help: consider using `_o_context` instead
Dec 18 09:58:29.909 INFO [stderr] 
Dec 18 09:58:29.909 INFO [stderr] warning: unused variable: `history`
Dec 18 09:58:29.909 INFO [stderr]   --> examples/example.rs:30:78
Dec 18 09:58:29.909 INFO [stderr]    |
Dec 18 09:58:29.909 INFO [stderr] 30 | fn new_context(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
Dec 18 09:58:29.909 INFO [stderr]    |                                                                              ^^^^^^^ help: consider using `_history` instead
Dec 18 09:58:29.909 INFO [stderr] 
Dec 18 09:58:29.909 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:58:29.909 INFO [stderr]   --> examples/example.rs:42:9
Dec 18 09:58:29.909 INFO [stderr]    |
Dec 18 09:58:29.909 INFO [stderr] 42 |     let mut context = Context::default();
Dec 18 09:58:29.909 INFO [stderr]    |         ----^^^^^^^
Dec 18 09:58:29.909 INFO [stderr]    |         |
Dec 18 09:58:29.909 INFO [stderr]    |         help: remove this `mut`
Dec 18 09:58:29.909 INFO [stderr]    |
Dec 18 09:58:29.909 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 09:58:29.909 INFO [stderr] 
Dec 18 09:58:29.909 INFO [stderr] warning: variable does not need to be mutable
Dec 18 09:58:29.909 INFO [stderr]   --> examples/example.rs:43:9
Dec 18 09:58:29.909 INFO [stderr]    |
Dec 18 09:58:29.909 INFO [stderr] 43 |     let mut o_context = Some(context);
Dec 18 09:58:29.909 INFO [stderr]    |         ----^^^^^^^^^
Dec 18 09:58:29.909 INFO [stderr]    |         |
Dec 18 09:58:29.909 INFO [stderr]    |         help: remove this `mut`
Dec 18 09:58:29.909 INFO [stderr] 
Dec 18 09:58:29.975 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Dec 18 09:58:30.430 INFO running `"docker" "inspect" "c010f9cebe5dff2b4f3dd14f4bd940ab2236ed98a22d0aee2010adce8ea1b3ea"`
Dec 18 09:58:30.594 INFO running `"docker" "rm" "-f" "c010f9cebe5dff2b4f3dd14f4bd940ab2236ed98a22d0aee2010adce8ea1b3ea"`
Dec 18 09:58:30.696 INFO [stdout] c010f9cebe5dff2b4f3dd14f4bd940ab2236ed98a22d0aee2010adce8ea1b3ea