[INFO] updating cached repository amk91/rust_finder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/amk91/rust_finder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/amk91/rust_finder" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/amk91/rust_finder"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/amk91/rust_finder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amk91/rust_finder" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/amk91/rust_finder"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/amk91/rust_finder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 098d02b28ee782086d5e20961cefe5643470d333
[INFO] sha for GitHub repo amk91/rust_finder: 098d02b28ee782086d5e20961cefe5643470d333
[INFO] validating manifest of amk91/rust_finder on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of amk91/rust_finder on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing amk91/rust_finder
[INFO] finished frobbing amk91/rust_finder
[INFO] frobbed toml for amk91/rust_finder written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/amk91/rust_finder/Cargo.toml
[INFO] started frobbing amk91/rust_finder
[INFO] finished frobbing amk91/rust_finder
[INFO] frobbed toml for amk91/rust_finder written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/amk91/rust_finder/Cargo.toml
[INFO] crate amk91/rust_finder already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking amk91/rust_finder against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-2/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/amk91/rust_finder:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 523da2abcb7e6c7c998ff2be15ca4913f8319e97979c9127994f917c21de3f8e
[INFO] running `"docker" "start" "-a" "523da2abcb7e6c7c998ff2be15ca4913f8319e97979c9127994f917c21de3f8e"`
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking crossterm_utils v0.1.0
[INFO] [stderr]     Checking regex v1.1.5
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking crossterm_screen v0.1.0
[INFO] [stderr]     Checking crossterm_cursor v0.1.0
[INFO] [stderr]     Checking crossterm_style v0.2.0
[INFO] [stderr]     Checking crossterm_terminal v0.1.0
[INFO] [stderr]     Checking crossterm_input v0.2.0
[INFO] [stderr]     Checking crossterm v0.8.0
[INFO] [stderr]     Checking finder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Color`, `style`, `terminal`
[INFO] [stderr]  --> src/terminal.rs:2:36
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crossterm::{Crossterm, Screen, terminal, ClearType, Color, style};
[INFO] [stderr]   |                                    ^^^^^^^^             ^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `stdout`
[INFO] [stderr]  --> src/terminal.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{stdout, Write};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/terminal.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cursor`
[INFO] [stderr]   --> src/terminal.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let cursor = self.crossterm.cursor();
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_cursor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/terminal.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         terminal.set_size(600, 400);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/terminal.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         terminal.clear(ClearType::All);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/terminal.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 self.screen.write_all(s.as_bytes());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/terminal.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         self.screen.flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Checking criterion v0.2.10
[INFO] [stderr] warning: unused imports: `Color`, `style`, `terminal`
[INFO] [stderr]  --> src/terminal.rs:2:36
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crossterm::{Crossterm, Screen, terminal, ClearType, Color, style};
[INFO] [stderr]   |                                    ^^^^^^^^             ^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `stdout`
[INFO] [stderr]  --> src/terminal.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{stdout, Write};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/terminal.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cursor`
[INFO] [stderr]   --> src/terminal.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let cursor = self.crossterm.cursor();
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_cursor`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/terminal.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         terminal.set_size(600, 400);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/terminal.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         terminal.clear(ClearType::All);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/terminal.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 self.screen.write_all(s.as_bytes());
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/terminal.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         self.screen.flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.39s
[INFO] running `"docker" "inspect" "523da2abcb7e6c7c998ff2be15ca4913f8319e97979c9127994f917c21de3f8e"`
[INFO] running `"docker" "rm" "-f" "523da2abcb7e6c7c998ff2be15ca4913f8319e97979c9127994f917c21de3f8e"`
[INFO] [stdout] 523da2abcb7e6c7c998ff2be15ca4913f8319e97979c9127994f917c21de3f8e