[INFO] cloning repository henryroyal/cli-binary-search [INFO] running `"git" "clone" "--bare" "git://github.com/henryroyal/cli-binary-search.git" "work/cache/sources/gh/henryroyal/cli-binary-search"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/henryroyal/cli-binary-search'... [INFO] running `"git" "clone" "work/cache/sources/gh/henryroyal/cli-binary-search" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/henryroyal/cli-binary-search"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/henryroyal/cli-binary-search'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/henryroyal/cli-binary-search" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/henryroyal/cli-binary-search"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of henryroyal/cli-binary-search on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-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-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing henryroyal/cli-binary-search against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/henryroyal/cli-binary-search:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] 14069130624ab9c8fb7ce8c44c857963757d092a5fc530a8369b719ef97deebe [INFO] running `"docker" "start" "-a" "14069130624ab9c8fb7ce8c44c857963757d092a5fc530a8369b719ef97deebe"` [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `"docker" "inspect" "14069130624ab9c8fb7ce8c44c857963757d092a5fc530a8369b719ef97deebe"` [INFO] running `"docker" "rm" "-f" "14069130624ab9c8fb7ce8c44c857963757d092a5fc530a8369b719ef97deebe"` [INFO] [stdout] 14069130624ab9c8fb7ce8c44c857963757d092a5fc530a8369b719ef97deebe [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/henryroyal/cli-binary-search:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 4207912a7f25a701cbf40f3c744ff968c6b7a70985be94bb2073a5a0418e5d55 [INFO] running `"docker" "start" "-a" "4207912a7f25a701cbf40f3c744ff968c6b7a70985be94bb2073a5a0418e5d55"` [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `"docker" "inspect" "4207912a7f25a701cbf40f3c744ff968c6b7a70985be94bb2073a5a0418e5d55"` [INFO] running `"docker" "rm" "-f" "4207912a7f25a701cbf40f3c744ff968c6b7a70985be94bb2073a5a0418e5d55"` [INFO] [stdout] 4207912a7f25a701cbf40f3c744ff968c6b7a70985be94bb2073a5a0418e5d55 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/henryroyal/cli-binary-search:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"` [INFO] [stdout] b2b3541c651ff393ab3845d57fd952157514b4abec228907e96ff220d0956641 [INFO] running `"docker" "start" "-a" "b2b3541c651ff393ab3845d57fd952157514b4abec228907e96ff220d0956641"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/crater/target/debug/deps/binary_search-429b7b4ba8877db1 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "b2b3541c651ff393ab3845d57fd952157514b4abec228907e96ff220d0956641"` [INFO] running `"docker" "rm" "-f" "b2b3541c651ff393ab3845d57fd952157514b4abec228907e96ff220d0956641"` [INFO] [stdout] b2b3541c651ff393ab3845d57fd952157514b4abec228907e96ff220d0956641