[INFO] updating cached repository henryroyal/cli-binary-search
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/henryroyal/cli-binary-search
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/henryroyal/cli-binary-search" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/henryroyal/cli-binary-search"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/henryroyal/cli-binary-search'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/henryroyal/cli-binary-search" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/henryroyal/cli-binary-search"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/henryroyal/cli-binary-search'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2fc3d7a0657071152ab8c219d13e18a94aa6942
[INFO] sha for GitHub repo henryroyal/cli-binary-search: a2fc3d7a0657071152ab8c219d13e18a94aa6942
[INFO] validating manifest of henryroyal/cli-binary-search on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of henryroyal/cli-binary-search on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing henryroyal/cli-binary-search
[INFO] finished frobbing henryroyal/cli-binary-search
[INFO] frobbed toml for henryroyal/cli-binary-search written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/henryroyal/cli-binary-search/Cargo.toml
[INFO] started frobbing henryroyal/cli-binary-search
[INFO] finished frobbing henryroyal/cli-binary-search
[INFO] frobbed toml for henryroyal/cli-binary-search written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/henryroyal/cli-binary-search/Cargo.toml
[INFO] crate henryroyal/cli-binary-search already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking henryroyal/cli-binary-search against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-0/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/henryroyal/cli-binary-search:/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 741a81cb271b676562623d43e2da6750376a5396c78f53c96efe1fe1af434d0c
[INFO] running `"docker" "start" "-a" "741a81cb271b676562623d43e2da6750376a5396c78f53c96efe1fe1af434d0c"`
[INFO] [stderr]     Checking binary_search v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `len_one`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let len_one = one.remove(0);
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_len_one`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len_two`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let len_two = two.remove(0);
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_len_two`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DEBUG` should have a snake case name
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let DEBUG: bool = false;
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `debug`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     stdin.read_line(&mut buffer);
[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 variable: `len_one`
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let len_one = one.remove(0);
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_len_one`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len_two`
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let len_two = two.remove(0);
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_len_two`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DEBUG` should have a snake case name
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let DEBUG: bool = false;
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `debug`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     stdin.read_line(&mut buffer);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "741a81cb271b676562623d43e2da6750376a5396c78f53c96efe1fe1af434d0c"`
[INFO] running `"docker" "rm" "-f" "741a81cb271b676562623d43e2da6750376a5396c78f53c96efe1fe1af434d0c"`
[INFO] [stdout] 741a81cb271b676562623d43e2da6750376a5396c78f53c96efe1fe1af434d0c