[INFO] crate tshell 0.2.2 is already in cache
[INFO] extracting crate tshell 0.2.2 into work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/tshell/0.2.2
[INFO] extracting crate tshell 0.2.2 into work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/tshell/0.2.2
[INFO] validating manifest of tshell-0.2.2 on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tshell-0.2.2 on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tshell-0.2.2
[INFO] finished frobbing tshell-0.2.2
[INFO] frobbed toml for tshell-0.2.2 written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/tshell/0.2.2/Cargo.toml
[INFO] started frobbing tshell-0.2.2
[INFO] finished frobbing tshell-0.2.2
[INFO] frobbed toml for tshell-0.2.2 written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/reg/tshell/0.2.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tshell-0.2.2 against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-1/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/reg/tshell/0.2.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 05f27d6a713db1e484fd15bfb9711303caf952950a9da2375f90ee7fc17eb9ba
[INFO] running `"docker" "start" "-a" "05f27d6a713db1e484fd15bfb9711303caf952950a9da2375f90ee7fc17eb9ba"`
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking tshell v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/commands.rs:312:42
[INFO] [stderr]     |
[INFO] [stderr] 312 |             context: Arc::new(Mutex::new((context)))
[INFO] [stderr]     |                                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[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.
[INFO] [stderr]    --> src/commands.rs:394:24
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let home_dir = env::home_dir()
[INFO] [stderr]     |                        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/commands.rs:312:42
[INFO] [stderr]     |
[INFO] [stderr] 312 |             context: Arc::new(Mutex::new((context)))
[INFO] [stderr]     |                                          ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[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.
[INFO] [stderr]    --> src/commands.rs:394:24
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let home_dir = env::home_dir()
[INFO] [stderr]     |                        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/commands.rs:321:42
[INFO] [stderr]     |
[INFO] [stderr] 321 |         let mut levels: Vec<&str> = line.trim_left().split_whitespace().collect();
[INFO] [stderr]     |                                          ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]    --> src/commands.rs:321:42
[INFO] [stderr]     |
[INFO] [stderr] 321 |         let mut levels: Vec<&str> = line.trim_left().split_whitespace().collect();
[INFO] [stderr]     |                                          ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> examples/example.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn world(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
[INFO] [stderr]    |          ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o_context`
[INFO] [stderr]   --> examples/example.rs:12:39
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn world(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
[INFO] [stderr]    |                                       ^^^^^^^^^ help: consider prefixing with an underscore: `_o_context`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o_context`
[INFO] [stderr]   --> examples/example.rs:20:42
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn darkness(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
[INFO] [stderr]    |                                          ^^^^^^^^^ help: consider prefixing with an underscore: `_o_context`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `history`
[INFO] [stderr]   --> examples/example.rs:20:75
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn darkness(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
[INFO] [stderr]    |                                                                           ^^^^^^^ help: consider prefixing with an underscore: `_history`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o_context`
[INFO] [stderr]   --> examples/example.rs:30:45
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn new_context(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
[INFO] [stderr]    |                                             ^^^^^^^^^ help: consider prefixing with an underscore: `_o_context`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `history`
[INFO] [stderr]   --> examples/example.rs:30:78
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn new_context(args: HashMap<String, &str>, o_context: &mut Option<Context>, history: &HashMap<String, String>) -> CommandResult<Option<String>> {
[INFO] [stderr]    |                                                                              ^^^^^^^ help: consider prefixing with an underscore: `_history`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/example.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let mut context = Context::default();
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/example.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let mut o_context = Some(context);
[INFO] [stderr]    |         ----^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `"docker" "inspect" "05f27d6a713db1e484fd15bfb9711303caf952950a9da2375f90ee7fc17eb9ba"`
[INFO] running `"docker" "rm" "-f" "05f27d6a713db1e484fd15bfb9711303caf952950a9da2375f90ee7fc17eb9ba"`
[INFO] [stdout] 05f27d6a713db1e484fd15bfb9711303caf952950a9da2375f90ee7fc17eb9ba