[INFO] fetching crate string_more 0.4.0...
[INFO] testing string_more-0.4.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate string_more 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate string_more 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate string_more 0.4.0
[INFO] tweaked toml for crates.io crate string_more 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate string_more 0.4.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate string_more 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8f98c0a9adf2c9b248ef6ebf9f52c1a03ad885c83710dd141d69046e6f3441c
[INFO] running `Command { std: "docker" "start" "-a" "e8f98c0a9adf2c9b248ef6ebf9f52c1a03ad885c83710dd141d69046e6f3441c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8f98c0a9adf2c9b248ef6ebf9f52c1a03ad885c83710dd141d69046e6f3441c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f98c0a9adf2c9b248ef6ebf9f52c1a03ad885c83710dd141d69046e6f3441c", kill_on_drop: false }`
[INFO] [stdout] e8f98c0a9adf2c9b248ef6ebf9f52c1a03ad885c83710dd141d69046e6f3441c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abe0c83b57f1ac48737081d6262e41abd1d6919d1d577688af6fead434fe5bab
[INFO] running `Command { std: "docker" "start" "-a" "abe0c83b57f1ac48737081d6262e41abd1d6919d1d577688af6fead434fe5bab", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_more v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "abe0c83b57f1ac48737081d6262e41abd1d6919d1d577688af6fead434fe5bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe0c83b57f1ac48737081d6262e41abd1d6919d1d577688af6fead434fe5bab", kill_on_drop: false }`
[INFO] [stdout] abe0c83b57f1ac48737081d6262e41abd1d6919d1d577688af6fead434fe5bab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47bfe07bdd933076ea2ea2987c24cb4713aa925fb5175ea85f5bd96a9781ad0b
[INFO] running `Command { std: "docker" "start" "-a" "47bfe07bdd933076ea2ea2987c24cb4713aa925fb5175ea85f5bd96a9781ad0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_more v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "47bfe07bdd933076ea2ea2987c24cb4713aa925fb5175ea85f5bd96a9781ad0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47bfe07bdd933076ea2ea2987c24cb4713aa925fb5175ea85f5bd96a9781ad0b", kill_on_drop: false }`
[INFO] [stdout] 47bfe07bdd933076ea2ea2987c24cb4713aa925fb5175ea85f5bd96a9781ad0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9b20195ff0e3c03b3ff2c66e50c04fd91e11de67c23be6d2cbfce42139983ae
[INFO] running `Command { std: "docker" "start" "-a" "f9b20195ff0e3c03b3ff2c66e50c04fd91e11de67c23be6d2cbfce42139983ae", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/string_more-02f90e253ecd9655)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-9788091503a8631a)
[INFO] [stdout] running 48 tests
[INFO] [stdout] test byte_frequencies ... ok
[INFO] [stdout] test common_prefix ... ok
[INFO] [stdout] test common_suffix ... ok
[INFO] [stdout] test center ... ok
[INFO] [stdout] test expand_tabs ... ok
[INFO] [stdout] test encode_utf8 ... ok
[INFO] [stdout] test expand_tabs_in_place ... ok
[INFO] [stdout] test expand_tabs_zero_tabsize_edge_cases ... ok
[INFO] [stdout] test enclose_in_place ... ok
[INFO] [stdout] test fill_end_in_place ... ok
[INFO] [stdout] test fill_start ... ok
[INFO] [stdout] test join_strings ... ok
[INFO] [stdout] test fill_start_in_place ... ok
[INFO] [stdout] test hamming_distance ... ok
[INFO] [stdout] test join_empty_iterator ... ok
[INFO] [stdout] test join_integers ... ok
[INFO] [stdout] test join_non_ascii_strings ... ok
[INFO] [stdout] test join_single_item ... ok
[INFO] [stdout] test levenshtein_distance ... ok
[INFO] [stdout] test longest_common_substring ... ok
[INFO] [stdout] test next_char_boundary ... ok
[INFO] [stdout] test pad_to_width ... ok
[INFO] [stdout] test previous_char_boundary ... ok
[INFO] [stdout] test replace_in_place ... ok
[INFO] [stdout] test replace_in_place_empty_from_is_noop ... ok
[INFO] [stdout] test shift ... ok
[INFO] [stdout] test shift_in_place ... ok
[INFO] [stdout] test fill_edge_cases ... ok
[INFO] [stdout] test shift_noop_edge_cases ... ok
[INFO] [stdout] test strip_prefix_in_place ... ok
[INFO] [stdout] test strip_suffix_in_place ... ok
[INFO] [stdout] test pad_to_width_in_place ... ok
[INFO] [stdout] test trim_end_in_place ... ok
[INFO] [stdout] test join_empty_iterator_edge_case ... ok
[INFO] [stdout] test char_frequencies ... ok
[INFO] [stdout] test fill_end ... ok
[INFO] [stdout] test enclose ... ok
[INFO] [stdout] test truncate_to_chars_in_place ... ok
[INFO] [stdout] test trim_start_in_place ... ok
[INFO] [stdout] test truncate_to_chars ... ok
[INFO] [stdout] test shift_in_place_panics_when_index_is_not_on_char_boundary - should panic ... ok
[INFO] [stdout] test shift_panics_when_index_is_out_of_bounds - should panic ... ok
[INFO] [stdout] test shift_panics_when_index_is_not_on_char_boundary - should panic ... ok
[INFO] [stdout] test shift_in_place_panics_when_index_is_out_of_bounds - should panic ... ok
[INFO] [stdout] test center_in_place ... ok
[INFO] [stdout] test longest_common_substring_edge_cases ... ok
[INFO] [stdout] test longest_common_substring_prefers_more_chars_over_more_bytes ... ok
[INFO] [stdout] test trim_in_place ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 48 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string_more
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/lib.rs - StrExt::longest_common_substring (line 342) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::center_to (line 205) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::pad_start_to (line 178) ... ok
[INFO] [stdout] test src/lib.rs - EncodeUtf8 (line 70) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::common_prefix (line 264) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::previous_char_boundary (line 372) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::common_suffix (line 279) ... ok
[INFO] [stdout] test src/lib.rs - StrExt (line 120) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::pad_end_to (line 191) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::hamming_distance (line 248) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::next_char_boundary (line 356) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::expand_tabs (line 152) ... ok
[INFO] [stdout] test src/lib.rs - StringExt::strip_prefix_in_place (line 890) ... ok
[INFO] [stdout] test src/lib.rs - StringExt::strip_suffix_in_place (line 905) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::char_frequencies (line 297) ... ok
[INFO] [stdout] test src/lib.rs - StringExt::center_to_in_place (line 966) ... ok
[INFO] [stdout] test src/lib.rs - StringExt::pad_end_to_in_place (line 950) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::byte_frequencies (line 319) ... ok
[INFO] [stdout] test src/lib.rs - StringExt::pad_start_to_in_place (line 935) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::shift (line 222) ... ok
[INFO] [stdout] test src/lib.rs - StringExt::shift_in_place (line 986) ... ok
[INFO] [stdout] test src/lib.rs - StringExt::truncate_to_chars_in_place (line 920) ... ok
[INFO] [stdout] test src/lib.rs - StringExt::replace_in_place (line 1001) ... ok
[INFO] [stdout] test src/lib.rs - StringExt (line 842) ... ok
[INFO] [stdout] test src/lib.rs - StrExt::truncate_to_chars (line 165) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9b20195ff0e3c03b3ff2c66e50c04fd91e11de67c23be6d2cbfce42139983ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b20195ff0e3c03b3ff2c66e50c04fd91e11de67c23be6d2cbfce42139983ae", kill_on_drop: false }`
[INFO] [stdout] f9b20195ff0e3c03b3ff2c66e50c04fd91e11de67c23be6d2cbfce42139983ae