[INFO] crate strings 0.1.1 is already in cache
[INFO] extracting crate strings 0.1.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/strings/0.1.1
[INFO] extracting crate strings 0.1.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/strings/0.1.1
[INFO] validating manifest of strings-0.1.1 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 strings-0.1.1 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 strings-0.1.1
[INFO] finished frobbing strings-0.1.1
[INFO] frobbed toml for strings-0.1.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/strings/0.1.1/Cargo.toml
[INFO] started frobbing strings-0.1.1
[INFO] finished frobbing strings-0.1.1
[INFO] frobbed toml for strings-0.1.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/strings/0.1.1/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 strings-0.1.1 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/strings/0.1.1:/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] a27b11055bd38d5a7d2c5d5808325203a6746c74ed6873e5f4c24550c3e8a3f3
[INFO] running `"docker" "start" "-a" "a27b11055bd38d5a7d2c5d5808325203a6746c74ed6873e5f4c24550c3e8a3f3"`
[INFO] [stderr]    Compiling strings v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/string_buffer.rs:264:17
[INFO] [stderr]     |
[INFO] [stderr] 264 |             let mut last = &mut *result.first;
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `"docker" "inspect" "a27b11055bd38d5a7d2c5d5808325203a6746c74ed6873e5f4c24550c3e8a3f3"`
[INFO] running `"docker" "rm" "-f" "a27b11055bd38d5a7d2c5d5808325203a6746c74ed6873e5f4c24550c3e8a3f3"`
[INFO] [stdout] a27b11055bd38d5a7d2c5d5808325203a6746c74ed6873e5f4c24550c3e8a3f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/strings/0.1.1:/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] cd3583815a71a5b2581be08c8f9c692f6b6b13a0d3008aa6229b09602fa43bba
[INFO] running `"docker" "start" "-a" "cd3583815a71a5b2581be08c8f9c692f6b6b13a0d3008aa6229b09602fa43bba"`
[INFO] [stderr]    Compiling strings v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/string_buffer.rs:264:17
[INFO] [stderr]     |
[INFO] [stderr] 264 |             let mut last = &mut *result.first;
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `"docker" "inspect" "cd3583815a71a5b2581be08c8f9c692f6b6b13a0d3008aa6229b09602fa43bba"`
[INFO] running `"docker" "rm" "-f" "cd3583815a71a5b2581be08c8f9c692f6b6b13a0d3008aa6229b09602fa43bba"`
[INFO] [stdout] cd3583815a71a5b2581be08c8f9c692f6b6b13a0d3008aa6229b09602fa43bba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/strings/0.1.1:/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] 5fed472393698655e914ffb23ee017df80d9afa05d5a76bb1691e2bbdcd41118
[INFO] running `"docker" "start" "-a" "5fed472393698655e914ffb23ee017df80d9afa05d5a76bb1691e2bbdcd41118"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/strings-9121c76dcf9e1a11
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test ropes::rope::test::test_slice_empty_rope ... ok
[INFO] [stdout] test ropes::rope::test::test_remove ... ok
[INFO] [stdout] test ropes::rope::test::test_insert_copy ... ok
[INFO] [stdout] test ropes::rope::test::test_insert_replace ... ok
[INFO] [stdout] test ropes::rope::test::test_from_string ... ok
[INFO] [stdout] test ropes::rope::test::test_new ... ok
[INFO] [stdout] test ropes::rope::test::test_push_copy ... ok
[INFO] [stdout] test ropes::rope::test::test_slice_from_start ... ok
[INFO] [stdout] test ropes::rope::test::test_slice_iter_no_split ... ok
[INFO] [stdout] test ropes::rope::test::test_slice_iter_special_chars ... ok
[INFO] [stdout] test ropes::rope::test::test_slice_iter_special_chars_split ... ok
[INFO] [stdout] test ropes::rope::test::test_small_slice_single_node ... ok
[INFO] [stdout] test ropes::rope::test::test_small_slice_start_single_node ... ok
[INFO] [stdout] test ropes::src_rope::test::test_from_string ... ok
[INFO] [stdout] test ropes::src_rope::test::test_insert_copy ... ok
[INFO] [stdout] test ropes::src_rope::test::test_insert_replace ... ok
[INFO] [stdout] test ropes::src_rope::test::test_minz ... ok
[INFO] [stdout] test ropes::src_rope::test::test_new ... ok
[INFO] [stdout] test ropes::src_rope::test::test_push_copy ... ok
[INFO] [stdout] test ropes::src_rope::test::test_slice_empty_rope ... ok
[INFO] [stdout] test ropes::src_rope::test::test_remove ... ok
[INFO] [stdout] test ropes::src_rope::test::test_slice_from_start ... ok
[INFO] [stdout] test ropes::rope::test::test_slice_iter ... ok
[INFO] [stdout] test ropes::src_rope::test::test_slice_iter ... ok
[INFO] [stdout] test ropes::src_rope::test::test_slice_iter_no_split ... ok
[INFO] [stdout] test ropes::src_rope::test::test_slice_iter_special_chars ... ok
[INFO] [stdout] test ropes::src_rope::test::test_slice_iter_special_chars_split ... ok
[INFO] [stdout] test ropes::src_rope::test::test_small_slice_single_node ... ok
[INFO] [stdout] test ropes::src_rope::test::test_small_slice_start_single_node ... ok
[INFO] [stdout] test ropes::src_rope::test::test_src_insert ... ok
[INFO] [stdout] test ropes::src_rope::test::test_src_insert_remove_col_for_src_loc ... ok
[INFO] [stdout] test string_buffer::test::test_clone ... ok
[INFO] [stdout] test string_buffer::test::test_cur_offset ... ok
[INFO] [stdout] test string_buffer::test::test_cur_offset_after_truncate ... ok
[INFO] [stdout] test string_buffer::test::test_cur_offset_middle ... ok
[INFO] [stdout] test string_buffer::test::test_eq ... ok
[INFO] [stdout] test string_buffer::test::test_cur_offset_short ... ok
[INFO] [stdout] test string_buffer::test::test_cur_offset_no_newlines ... ok
[INFO] [stdout] test string_buffer::test::test_truncate_noop ... ok
[INFO] [stdout] test string_buffer::test::test_truncate_multi ... ok
[INFO] [stdout] test string_buffer::test::test_truncate ... ok
[INFO] [stdout] test string_buffer::test::test_from_str ... ok
[INFO] [stdout] test string_buffer::test::test_new ... ok
[INFO] [stdout] test string_buffer::test::test_push_str ... ok
[INFO] [stdout] test string_buffer::test::test_push_str_multi ... ok
[INFO] [stdout] test string_buffer::test::test_truncate_short ... ok
[INFO] [stderr]    Doc-tests strings
[INFO] [stdout] test string_buffer::test::test_neq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 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" "5fed472393698655e914ffb23ee017df80d9afa05d5a76bb1691e2bbdcd41118"`
[INFO] running `"docker" "rm" "-f" "5fed472393698655e914ffb23ee017df80d9afa05d5a76bb1691e2bbdcd41118"`
[INFO] [stdout] 5fed472393698655e914ffb23ee017df80d9afa05d5a76bb1691e2bbdcd41118