[INFO] crate bitfields 0.1.0 is already in cache
[INFO] extracting crate bitfields 0.1.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/bitfields/0.1.0
[INFO] extracting crate bitfields 0.1.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/bitfields/0.1.0
[INFO] validating manifest of bitfields-0.1.0 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 bitfields-0.1.0 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 bitfields-0.1.0
[INFO] finished frobbing bitfields-0.1.0
[INFO] frobbed toml for bitfields-0.1.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/bitfields/0.1.0/Cargo.toml
[INFO] started frobbing bitfields-0.1.0
[INFO] finished frobbing bitfields-0.1.0
[INFO] frobbed toml for bitfields-0.1.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/bitfields/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 bitfields-0.1.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/bitfields/0.1.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 180498c41cf64a2cdada8d4a280497f1a8fe2a2427e384c31ad7f57ff9c5a5cf
[INFO] running `"docker" "start" "-a" "180498c41cf64a2cdada8d4a280497f1a8fe2a2427e384c31ad7f57ff9c5a5cf"`
[INFO] [stderr]    Compiling bitfields v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `byte_bit_offset`
[INFO] [stderr]    --> src/lib.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn byte_bit_offset(idx: usize) -> (usize, usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_bit`
[INFO] [stderr]    --> src/lib.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     pub fn test_bit(target: &u8, pos: usize) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_bit`
[INFO] [stderr]    --> src/lib.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn set_bit(target: &mut u8, pos: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unset_bit`
[INFO] [stderr]    --> src/lib.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub fn unset_bit(target: &mut u8, pos: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `toggle_bit`
[INFO] [stderr]    --> src/lib.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn toggle_bit(target: &mut u8, pos: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "180498c41cf64a2cdada8d4a280497f1a8fe2a2427e384c31ad7f57ff9c5a5cf"`
[INFO] running `"docker" "rm" "-f" "180498c41cf64a2cdada8d4a280497f1a8fe2a2427e384c31ad7f57ff9c5a5cf"`
[INFO] [stdout] 180498c41cf64a2cdada8d4a280497f1a8fe2a2427e384c31ad7f57ff9c5a5cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/bitfields/0.1.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 598d7a2f4e5b08dcd4c0f5af5a98d70a3a29f547c1b5aec7706fb729563f28ab
[INFO] running `"docker" "start" "-a" "598d7a2f4e5b08dcd4c0f5af5a98d70a3a29f547c1b5aec7706fb729563f28ab"`
[INFO] [stderr]    Compiling bitfields v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:396:13
[INFO] [stderr]     |
[INFO] [stderr] 396 |         let mut storage = vec![0u8];
[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: function is never used: `byte_bit_offset`
[INFO] [stderr]    --> src/lib.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     pub fn byte_bit_offset(idx: usize) -> (usize, usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "598d7a2f4e5b08dcd4c0f5af5a98d70a3a29f547c1b5aec7706fb729563f28ab"`
[INFO] running `"docker" "rm" "-f" "598d7a2f4e5b08dcd4c0f5af5a98d70a3a29f547c1b5aec7706fb729563f28ab"`
[INFO] [stdout] 598d7a2f4e5b08dcd4c0f5af5a98d70a3a29f547c1b5aec7706fb729563f28ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/bitfields/0.1.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 3931753594f9f88c4595919311218f5254e0cff7c1cd8e5e6eba34110411e209
[INFO] running `"docker" "start" "-a" "3931753594f9f88c4595919311218f5254e0cff7c1cd8e5e6eba34110411e209"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bitfields-0bcf2b5953adc152
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test bit_twiddles::twiddle_tests::get ... ok
[INFO] [stdout] test bit_twiddles::twiddle_tests::set ... ok
[INFO] [stdout] test bit_twiddles::twiddle_tests::set_to ... ok
[INFO] [stdout] test bit_twiddles::twiddle_tests::test ... ok
[INFO] [stdout] test bit_twiddles::twiddle_tests::toggle ... ok
[INFO] [stdout] test tests::invalid_field ... ok
[INFO] [stdout] test tests::corrupted_read ... ok
[INFO] [stdout] test bit_twiddles::twiddle_tests::unset ... ok
[INFO] [stdout] test tests::store_and_retrieve ... ok
[INFO] [stdout] test tests::overwrite ... ok
[INFO] [stdout] test tests::store_too_wide ... ok
[INFO] [stdout] test bit_twiddles::twiddle_tests::get_with_large_pos ... ok
[INFO] [stderr]    Doc-tests bitfields
[INFO] [stdout] test bit_twiddles::twiddle_tests::set_to_with_large_pos ... ok
[INFO] [stdout] test bit_twiddles::twiddle_tests::set_with_large_pos ... ok
[INFO] [stdout] test bit_twiddles::twiddle_tests::unset_with_large_pos ... ok
[INFO] [stdout] test bit_twiddles::twiddle_tests::toggle_with_large_pos ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "3931753594f9f88c4595919311218f5254e0cff7c1cd8e5e6eba34110411e209"`
[INFO] running `"docker" "rm" "-f" "3931753594f9f88c4595919311218f5254e0cff7c1cd8e5e6eba34110411e209"`
[INFO] [stdout] 3931753594f9f88c4595919311218f5254e0cff7c1cd8e5e6eba34110411e209