Dec 19 18:26:06.127 INFO checking danieldulaney/prompt-line against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 18:26:06.127 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/danieldulaney/prompt-line:/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 18:26:06.367 INFO [stdout] a1908fb17a8abeffafec995a084f6969c7a712c87e95d85809488def5c45cd69
Dec 19 18:26:06.370 INFO running `"docker" "start" "-a" "a1908fb17a8abeffafec995a084f6969c7a712c87e95d85809488def5c45cd69"`
Dec 19 18:26:07.156 INFO [stderr]     Checking either v1.2.0
Dec 19 18:26:07.156 INFO [stderr]     Checking prompter v0.1.0 (/opt/crater/workdir)
Dec 19 18:26:07.484 INFO [stderr]     Checking itertools v0.6.5
Dec 19 18:26:07.636 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 18:26:07.649 INFO [stderr]   --> src/interpreter.rs:18:20
Dec 19 18:26:07.649 INFO [stderr]    |
Dec 19 18:26:07.649 INFO [stderr] 18 |         match self.cause() {
Dec 19 18:26:07.649 INFO [stderr]    |                    ^^^^^
Dec 19 18:26:07.649 INFO [stderr]    |
Dec 19 18:26:07.649 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 18:26:07.649 INFO [stderr] 
Dec 19 18:26:07.649 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 19 18:26:07.649 INFO [stderr]   --> src/interpreter.rs:56:44
Dec 19 18:26:07.649 INFO [stderr]    |
Dec 19 18:26:07.649 INFO [stderr] 56 |             Ok(String::from(decoded_output.trim_right()))
Dec 19 18:26:07.649 INFO [stderr]    |                                            ^^^^^^^^^^
Dec 19 18:26:07.649 INFO [stderr] 
Dec 19 18:26:09.638 INFO [stderr] warning: unused import: `super::*`
Dec 19 18:26:09.639 INFO [stderr]   --> src/interpreter.rs:66:9
Dec 19 18:26:09.639 INFO [stderr]    |
Dec 19 18:26:09.639 INFO [stderr] 66 |     use super::*;
Dec 19 18:26:09.640 INFO [stderr]    |         ^^^^^^^^
Dec 19 18:26:09.640 INFO [stderr]    |
Dec 19 18:26:09.641 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 18:26:09.641 INFO [stderr] 
Dec 19 18:26:09.978 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 18:26:09.978 INFO [stderr]   --> src/interpreter.rs:18:20
Dec 19 18:26:09.978 INFO [stderr]    |
Dec 19 18:26:09.978 INFO [stderr] 18 |         match self.cause() {
Dec 19 18:26:09.978 INFO [stderr]    |                    ^^^^^
Dec 19 18:26:09.978 INFO [stderr]    |
Dec 19 18:26:09.978 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 18:26:09.978 INFO [stderr] 
Dec 19 18:26:09.984 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 19 18:26:09.984 INFO [stderr]   --> src/interpreter.rs:56:44
Dec 19 18:26:09.984 INFO [stderr]    |
Dec 19 18:26:09.984 INFO [stderr] 56 |             Ok(String::from(decoded_output.trim_right()))
Dec 19 18:26:09.984 INFO [stderr]    |                                            ^^^^^^^^^^
Dec 19 18:26:09.984 INFO [stderr] 
Dec 19 18:26:10.301 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
Dec 19 18:26:11.266 INFO running `"docker" "inspect" "a1908fb17a8abeffafec995a084f6969c7a712c87e95d85809488def5c45cd69"`
Dec 19 18:26:11.556 INFO running `"docker" "rm" "-f" "a1908fb17a8abeffafec995a084f6969c7a712c87e95d85809488def5c45cd69"`
Dec 19 18:26:11.764 INFO [stdout] a1908fb17a8abeffafec995a084f6969c7a712c87e95d85809488def5c45cd69