[INFO] updating cached repository s3rvac/yabir
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/s3rvac/yabir
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/s3rvac/yabir" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/s3rvac/yabir"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/s3rvac/yabir'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/s3rvac/yabir" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/s3rvac/yabir"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/s3rvac/yabir'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7363c05b4765af29ac180c0472cb8a8a08ba67d
[INFO] sha for GitHub repo s3rvac/yabir: e7363c05b4765af29ac180c0472cb8a8a08ba67d
[INFO] validating manifest of s3rvac/yabir on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of s3rvac/yabir on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing s3rvac/yabir
[INFO] finished frobbing s3rvac/yabir
[INFO] frobbed toml for s3rvac/yabir written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/s3rvac/yabir/Cargo.toml
[INFO] started frobbing s3rvac/yabir
[INFO] finished frobbing s3rvac/yabir
[INFO] frobbed toml for s3rvac/yabir written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/s3rvac/yabir/Cargo.toml
[INFO] crate s3rvac/yabir has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing s3rvac/yabir against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/s3rvac/yabir:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 994558c8811ceb20e67e3e7a63fbefa3f9c261f07c89cf6db63e879c4b4428e5
[INFO] running `"docker" "start" "-a" "994558c8811ceb20e67e3e7a63fbefa3f9c261f07c89cf6db63e879c4b4428e5"`
[INFO] [stderr]    Compiling yabir v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/runner.rs:112:30
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn read_value(&mut self, mut input: &mut std::io::Read) -> Result<(), String> {
[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]    --> src/runner.rs:136:31
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn write_value(&mut self, mut output: &mut std::io::Write) -> Result<(), String> {
[INFO] [stderr]     |                               ----^^^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "994558c8811ceb20e67e3e7a63fbefa3f9c261f07c89cf6db63e879c4b4428e5"`
[INFO] running `"docker" "rm" "-f" "994558c8811ceb20e67e3e7a63fbefa3f9c261f07c89cf6db63e879c4b4428e5"`
[INFO] [stdout] 994558c8811ceb20e67e3e7a63fbefa3f9c261f07c89cf6db63e879c4b4428e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/s3rvac/yabir:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] e954480b7403354287bb2a717f59d4e1b4a40f39ebaac4e790766ecca3a58aaa
[INFO] running `"docker" "start" "-a" "e954480b7403354287bb2a717f59d4e1b4a40f39ebaac4e790766ecca3a58aaa"`
[INFO] [stderr]    Compiling yabir v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/runner.rs:112:30
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn read_value(&mut self, mut input: &mut std::io::Read) -> Result<(), String> {
[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]    --> src/runner.rs:136:31
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn write_value(&mut self, mut output: &mut std::io::Write) -> Result<(), String> {
[INFO] [stderr]     |                               ----^^^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `"docker" "inspect" "e954480b7403354287bb2a717f59d4e1b4a40f39ebaac4e790766ecca3a58aaa"`
[INFO] running `"docker" "rm" "-f" "e954480b7403354287bb2a717f59d4e1b4a40f39ebaac4e790766ecca3a58aaa"`
[INFO] [stdout] e954480b7403354287bb2a717f59d4e1b4a40f39ebaac4e790766ecca3a58aaa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/s3rvac/yabir:/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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 36d759328faf5e81cb0422eed978a911e6a655c251ada0e1d2cb48d365d94c27
[INFO] running `"docker" "start" "-a" "36d759328faf5e81cb0422eed978a911e6a655c251ada0e1d2cb48d365d94c27"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/yabir-2fe2f47104c6b1fa
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test cli::tests::should_print_usage_returns_true_on_no_arguments ... ok
[INFO] [stdout] test cli::tests::should_print_usage_returns_true_on_help_long_form ... ok
[INFO] [stdout] test cli::tests::should_print_usage_returns_true_on_help_short_form ... ok
[INFO] [stdout] test lexer::tests::tokenize_ignores_unsupported_characters ... ok
[INFO] [stdout] test lexer::tests::tokenize_returns_empty_vec_when_there_are_no_instructions ... ok
[INFO] [stdout] test cli::tests::should_print_usage_returns_false_when_prog_is_given ... ok
[INFO] [stdout] test lexer::tests::tokenize_recognizes_all_valid_tokens ... ok
[INFO] [stdout] test runner::tests::read_does_not_alter_cell_value_when_at_end_of_file ... ok
[INFO] [stdout] test runner::tests::copies_input_to_output ... ok
[INFO] [stdout] test runner::tests::returns_error_when_underflowing_data_pointer ... ok
[INFO] [stdout] test parser::tests::parse_returns_error_when_missing_loop_start ... ok
[INFO] [stdout] test parser::tests::parse_returns_error_when_missing_loop_end ... ok
[INFO] [stdout] test runner::tests::run_can_loop ... ok
[INFO] [stdout] test runner::tests::run_can_decrement_cell ... ok
[INFO] [stdout] test runner::tests::run_can_increment_cell ... ok
[INFO] [stdout] test runner::tests::run_can_move_between_cells ... ok
[INFO] [stdout] test runner::tests::run_can_read_from_input_and_write_to_output ... ok
[INFO] [stdout] test runner::tests::run_does_nothing_when_program_has_no_instructions ... ok
[INFO] [stdout] test parser::tests::parse_correctly_parses_infinite_loop ... ok
[INFO] [stdout] test parser::tests::parse_correctly_parses_valid_program ... ok
[INFO] [stdout] test parser::tests::parse_returns_empty_vec_when_there_are_no_tokens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "36d759328faf5e81cb0422eed978a911e6a655c251ada0e1d2cb48d365d94c27"`
[INFO] running `"docker" "rm" "-f" "36d759328faf5e81cb0422eed978a911e6a655c251ada0e1d2cb48d365d94c27"`
[INFO] [stdout] 36d759328faf5e81cb0422eed978a911e6a655c251ada0e1d2cb48d365d94c27