[INFO] fetching crate env_logger_successor 0.9.1...
[INFO] testing env_logger_successor-0.9.1 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate env_logger_successor 0.9.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate env_logger_successor 0.9.1 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate env_logger_successor 0.9.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate env_logger_successor 0.9.1
[INFO] tweaked toml for crates.io crate env_logger_successor 0.9.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c79c19f1cf9edfb80637c44b54319c9b6470f9bc1dc09715da40ca49015fac50
[INFO] running `Command { std: "docker" "start" "-a" "c79c19f1cf9edfb80637c44b54319c9b6470f9bc1dc09715da40ca49015fac50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c79c19f1cf9edfb80637c44b54319c9b6470f9bc1dc09715da40ca49015fac50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79c19f1cf9edfb80637c44b54319c9b6470f9bc1dc09715da40ca49015fac50", kill_on_drop: false }`
[INFO] [stdout] c79c19f1cf9edfb80637c44b54319c9b6470f9bc1dc09715da40ca49015fac50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e691762432f75f4c8b209dc2bfb364857ba1fa23f29a1d164c85ae1a86a2a45
[INFO] running `Command { std: "docker" "start" "-a" "7e691762432f75f4c8b209dc2bfb364857ba1fa23f29a1d164c85ae1a86a2a45", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling env_logger_successor v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "7e691762432f75f4c8b209dc2bfb364857ba1fa23f29a1d164c85ae1a86a2a45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e691762432f75f4c8b209dc2bfb364857ba1fa23f29a1d164c85ae1a86a2a45", kill_on_drop: false }`
[INFO] [stdout] 7e691762432f75f4c8b209dc2bfb364857ba1fa23f29a1d164c85ae1a86a2a45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 454c6b3729d89d0db54f499f8369ce19436ad7e2d424d08ae477358f04bac81c
[INFO] running `Command { std: "docker" "start" "-a" "454c6b3729d89d0db54f499f8369ce19436ad7e2d424d08ae477358f04bac81c", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger_successor v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "454c6b3729d89d0db54f499f8369ce19436ad7e2d424d08ae477358f04bac81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454c6b3729d89d0db54f499f8369ce19436ad7e2d424d08ae477358f04bac81c", kill_on_drop: false }`
[INFO] [stdout] 454c6b3729d89d0db54f499f8369ce19436ad7e2d424d08ae477358f04bac81c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fcd43df6b2478a715b9954ea0a2b92a39f6ea4d79a5b3750d4cd6f2ac0a4800
[INFO] running `Command { std: "docker" "start" "-a" "7fcd43df6b2478a715b9954ea0a2b92a39f6ea4d79a5b3750d4cd6f2ac0a4800", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/env_logger_successor-728e4e2cf83a1f87)
[INFO] [stdout] 
[INFO] [stdout] running 57 tests
[INFO] [stdout] test filter::tests::ensure_tests_cover_level_universe ... ok
[INFO] [stdout] test filter::tests::filter_info ... ok
[INFO] [stdout] test filter::tests::filter_beginning_longest_match ... ok
[INFO] [stdout] test filter::tests::match_beginning ... ok
[INFO] [stdout] test filter::tests::match_beginning_longest_match ... ok
[INFO] [stdout] test filter::tests::match_default ... ok
[INFO] [stdout] test filter::tests::match_full_path ... ok
[INFO] [stdout] test filter::tests::no_match ... ok
[INFO] [stdout] test filter::tests::parse_default ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_debug_lc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_debug_mixed ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_debug_uc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_error_lc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_error_uc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_info_lc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_info_uc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_off_uc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_trace_lc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_trace_uc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_warn_uc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_off_lc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_warn_lc ... ok
[INFO] [stdout] test filter::tests::parse_spec_blank_level_isolated ... ok
[INFO] [stdout] test filter::tests::parse_spec_blank_level_isolated_comma_blank ... ok
[INFO] [stdout] test filter::tests::parse_spec_blank_level_isolated_comma_only ... ok
[INFO] [stdout] test filter::tests::parse_spec_blank_level_isolated_blank_comma ... ok
[INFO] [stdout] test filter::tests::parse_spec_empty_level ... ok
[INFO] [stdout] test filter::tests::parse_spec_empty_level_isolated ... ok
[INFO] [stdout] test filter::tests::parse_spec_global ... ok
[INFO] [stdout] test filter::tests::parse_spec_global_bare_warn_uc ... ok
[INFO] [stdout] test filter::tests::parse_spec_global_bare_warn_mixed ... ok
[INFO] [stdout] test filter::tests::parse_spec_global_bare_warn_lc ... ok
[INFO] [stdout] test filter::tests::parse_spec_invalid_crate ... ok
[INFO] [stdout] test filter::tests::parse_spec_invalid_level ... ok
[INFO] [stdout] test filter::tests::parse_spec_string_level ... ok
[INFO] [stdout] test filter::tests::zero_level ... ok
[INFO] [stdout] test fmt::tests::format_empty_target ... ok
[INFO] [stdout] test filter::tests::parse_spec_valid ... ok
[INFO] [stdout] test fmt::tests::format_no_target ... ok
[INFO] [stdout] test fmt::tests::format_indent_spaces ... ok
[INFO] [stdout] test fmt::tests::format_indent_zero_spaces ... ok
[INFO] [stdout] test fmt::tests::format_suffix ... ok
[INFO] [stdout] test fmt::tests::format_no_header ... ok
[INFO] [stdout] test fmt::tests::format_suffix_with_indent ... ok
[INFO] [stdout] test fmt::tests::format_indent_spaces_no_header ... ok
[INFO] [stdout] test filter::tests::parse_spec_invalid_crate_filter ... ok
[INFO] [stdout] test fmt::tests::format_target ... ok
[INFO] [stdout] test filter::tests::parse_spec_valid_filter ... ok
[INFO] [stdout] test fmt::writer::tests::parse_write_style_valid ... ok
[INFO] [stdout] test filter::tests::parse_spec_empty_with_filter ... ok
[INFO] [stdout] test tests::builder_parse_env_overrides_existing_filters ... ok
[INFO] [stdout] test tests::env_get_filter_reads_from_default_if_var_not_set ... ok
[INFO] [stdout] test tests::env_get_filter_reads_from_var_if_set ... ok
[INFO] [stdout] test fmt::writer::tests::parse_write_style_invalid ... ok
[INFO] [stdout] test tests::env_get_write_style_reads_from_var_if_set ... ok
[INFO] [stdout] test tests::env_get_write_style_reads_from_default_if_var_not_set ... ok
[INFO] [stdout] test fmt::tests::format_with_header ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/init-twice-retains-filter.rs (/opt/rustwide/target/debug/deps/init_twice_retains_filter-ff8c84c597b900ab)
[INFO] [stderr]      Running tests/log-in-log.rs (/opt/rustwide/target/debug/deps/log_in_log-c1b43ef348d75d0f)
[INFO] [stderr]      Running tests/log_tls_dtors.rs (/opt/rustwide/target/debug/deps/log_tls_dtors-599f11093d0fc908)
[INFO] [stderr]      Running tests/regexp_filter.rs (/opt/rustwide/target/debug/deps/regexp_filter-ef933717b29a4d1a)
[INFO] [stderr]    Doc-tests env_logger_successor
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test src/filter/mod.rs - filter::Filter::filter (line 128) ... FAILED
[INFO] [stdout] test src/filter/mod.rs - filter::Builder (line 94) ... FAILED
[INFO] [stdout] test src/filter/mod.rs - filter (line 15) ... FAILED
[INFO] [stdout] test src/fmt/humantime/extern_impl.rs - fmt::humantime::imp::Formatter::timestamp (line 21) ... FAILED
[INFO] [stdout] test src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_bold (line 297) ... FAILED
[INFO] [stdout] test src/fmt/mod.rs - fmt::Formatter (line 87) ... FAILED
[INFO] [stdout] test src/fmt/mod.rs - fmt (line 15) ... FAILED
[INFO] [stdout] test src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Formatter::style (line 24) ... FAILED
[INFO] [stdout] test src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_dimmed (line 351) ... FAILED
[INFO] [stdout] test src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_color (line 269) ... FAILED
[INFO] [stdout] test src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style (line 224) ... FAILED
[INFO] [stdout] test src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style (line 205) ... FAILED
[INFO] [stdout] test src/fmt/mod.rs - fmt::DefaultFormat<'a>::write_header_value (line 252) ... FAILED
[INFO] [stdout] test src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::value (line 402) ... FAILED
[INFO] [stdout] test src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_bg (line 375) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 228) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::filter (line 703) ... FAILED
[INFO] [stdout] test src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_intense (line 324) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder (line 364) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::filter_level (line 681) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 248) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::from_default_env (line 519) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::filter_module (line 662) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 267) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::from_env (line 439) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 23) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::from_env (line 429) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::parse_env (line 466) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::new (line 399) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::parse_env (line 481) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::target (line 736) ... FAILED
[INFO] [stdout] test src/lib.rs - Logger::from_env (line 859) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::format (line 571) ... FAILED
[INFO] [stdout] test src/lib.rs - Logger::from_default_env (line 883) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::parse_default_env (line 542) ... FAILED
[INFO] [stdout] test src/lib.rs - Builder::write_style (line 757) ... FAILED
[INFO] [stdout] test src/lib.rs - Logger::from_env (line 850) ... FAILED
[INFO] [stdout] test src/lib.rs - init_from_env (line 1209) ... FAILED
[INFO] [stdout] test src/lib.rs - try_init_from_env (line 1172) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 190) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/filter/mod.rs - filter::Filter::filter (line 128) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/filter/mod.rs:130:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::filter::Builder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/filter/mod.rs - filter::Builder (line 94) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/filter/mod.rs:97:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env_logger::filter::Builder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/filter/mod.rs - filter (line 15) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `env_logger`
[INFO] [stdout]  --> src/filter/mod.rs:16:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate env_logger;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/humantime/extern_impl.rs - fmt::humantime::imp::Formatter::timestamp (line 21) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/humantime/extern_impl.rs:24:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | let mut builder = env_logger::Builder::new();
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 5 - let mut builder = env_logger::Builder::new();
[INFO] [stdout] 5 + let mut builder = Builder::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_bold (line 297) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:300:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | let mut builder = env_logger::Builder::new();
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 5 - let mut builder = env_logger::Builder::new();
[INFO] [stdout] 5 + let mut builder = Builder::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/mod.rs - fmt::Formatter (line 87) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/mod.rs:90:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | let mut builder = env_logger::Builder::new();
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 5 - let mut builder = env_logger::Builder::new();
[INFO] [stdout] 5 + let mut builder = Builder::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/mod.rs - fmt (line 15) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/mod.rs:18:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | let mut builder = env_logger::Builder::new();
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 5 - let mut builder = env_logger::Builder::new();
[INFO] [stdout] 5 + let mut builder = Builder::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Formatter::style (line 24) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:26:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::fmt::Color;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:28:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut builder = env_logger::Builder::new();
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 - let mut builder = env_logger::Builder::new();
[INFO] [stdout] 6 + let mut builder = Builder::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_dimmed (line 351) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:354:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | let mut builder = env_logger::Builder::new();
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 5 - let mut builder = env_logger::Builder::new();
[INFO] [stdout] 5 + let mut builder = Builder::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_color (line 269) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:271:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::fmt::Color;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:273:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut builder = env_logger::Builder::new();
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 - let mut builder = env_logger::Builder::new();
[INFO] [stdout] 6 + let mut builder = Builder::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style (line 224) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:226:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::fmt::Color;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:228:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut builder = env_logger::Builder::new();
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 - let mut builder = env_logger::Builder::new();
[INFO] [stdout] 6 + let mut builder = Builder::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style (line 205) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:207:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::fmt::Color;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:209:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut builder = env_logger::Builder::new();
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 - let mut builder = env_logger::Builder::new();
[INFO] [stdout] 6 + let mut builder = Builder::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/mod.rs - fmt::DefaultFormat<'a>::write_header_value (line 252) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `value` in this scope
[INFO] [stdout]  --> src/fmt/mod.rs:253:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | println!("write_header_value {}",&value);
[INFO] [stdout]   |                                   ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::value (line 402) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:404:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::fmt::Color;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:406:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut builder = env_logger::Builder::new();
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 - let mut builder = env_logger::Builder::new();
[INFO] [stdout] 6 + let mut builder = Builder::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_bg (line 375) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:377:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::fmt::Color;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:379:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | let mut builder = env_logger::Builder::new();
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 - let mut builder = env_logger::Builder::new();
[INFO] [stdout] 6 + let mut builder = Builder::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 228) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/lib.rs:229:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | env_logger::builder()
[INFO] [stdout]   | ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::filter (line 703) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:704:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::Builder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_intense (line 324) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/fmt/writer/termcolor/extern_impl.rs:327:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | let mut builder = env_logger::Builder::new();
[INFO] [stdout]   |                   ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 5 - let mut builder = env_logger::Builder::new();
[INFO] [stdout] 5 + let mut builder = Builder::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder (line 364) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:367:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use env_logger::Builder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::filter_level (line 681) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:682:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::Builder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 248) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/lib.rs:251:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | env_logger::builder()
[INFO] [stdout]   | ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::from_default_env (line 519) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:520:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::Builder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::filter_module (line 662) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:663:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::Builder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 267) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:268:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::Env;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/lib.rs:270:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | env_logger::Builder::from_env(Env::default().default_filter_or("warn")).init();
[INFO] [stdout]   | ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use env_logger_successor::filter::Builder;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::thread::Builder;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 5 - env_logger::Builder::from_env(Env::default().default_filter_or("warn")).init();
[INFO] [stdout] 5 + Builder::from_env(Env::default().default_filter_or("warn")).init();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::from_env (line 439) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:440:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::{Builder, Env};
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 23) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/lib.rs:26:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | env_logger::init();
[INFO] [stdout]   | ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::from_env (line 429) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:430:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::Builder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::parse_env (line 466) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:468:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::Builder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::new (line 399) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:401:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::{Builder, WriteStyle};
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::parse_env (line 481) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:483:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::{Builder, Env};
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::target (line 736) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:737:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::{Builder, Target};
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Logger::from_env (line 859) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:860:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::{Logger, Env};
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::format (line 571) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:573:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::Builder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Logger::from_default_env (line 883) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:884:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::Logger;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::parse_default_env (line 542) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:544:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use env_logger::Builder;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Builder::write_style (line 757) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:758:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::{Builder, WriteStyle};
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Logger::from_env (line 850) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:851:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::Logger;
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - init_from_env (line 1209) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:1210:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::{Builder, Env};
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/lib.rs:1214:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | env_logger::init_from_env(env);
[INFO] [stdout]   | ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - try_init_from_env (line 1172) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]  --> src/lib.rs:1173:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use env_logger::{Builder, Env};
[INFO] [stdout]   |     ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:1175:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn run() -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn run() -> Result<(), Box<dyn (::std::error::Error)>> {
[INFO] [stdout]   |                            +++++                   +
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]  --> src/lib.rs:1178:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | env_logger::try_init_from_env(env)?;
[INFO] [stdout]   | ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/filter/mod.rs - filter (line 15)
[INFO] [stdout]     src/filter/mod.rs - filter::Builder (line 94)
[INFO] [stdout]     src/filter/mod.rs - filter::Filter::filter (line 128)
[INFO] [stdout]     src/fmt/humantime/extern_impl.rs - fmt::humantime::imp::Formatter::timestamp (line 21)
[INFO] [stdout]     src/fmt/mod.rs - fmt (line 15)
[INFO] [stdout]     src/fmt/mod.rs - fmt::DefaultFormat<'a>::write_header_value (line 252)
[INFO] [stdout]     src/fmt/mod.rs - fmt::Formatter (line 87)
[INFO] [stdout]     src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Formatter::style (line 24)
[INFO] [stdout]     src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style (line 205)
[INFO] [stdout]     src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style (line 224)
[INFO] [stdout]     src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_bg (line 375)
[INFO] [stdout]     src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_bold (line 297)
[INFO] [stdout]     src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_color (line 269)
[INFO] [stdout]     src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_dimmed (line 351)
[INFO] [stdout]     src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::set_intense (line 324)
[INFO] [stdout]     src/fmt/writer/termcolor/extern_impl.rs - fmt::writer::termcolor::imp::Style::value (line 402)
[INFO] [stdout]     src/lib.rs - (line 228)
[INFO] [stdout]     src/lib.rs - (line 23)
[INFO] [stdout]     src/lib.rs - (line 248)
[INFO] [stdout]     src/lib.rs - (line 267)
[INFO] [stdout]     src/lib.rs - Builder (line 364)
[INFO] [stdout]     src/lib.rs - Builder::filter (line 703)
[INFO] [stdout]     src/lib.rs - Builder::filter_level (line 681)
[INFO] [stdout]     src/lib.rs - Builder::filter_module (line 662)
[INFO] [stdout]     src/lib.rs - Builder::format (line 571)
[INFO] [stdout]     src/lib.rs - Builder::from_default_env (line 519)
[INFO] [stdout]     src/lib.rs - Builder::from_env (line 429)
[INFO] [stdout]     src/lib.rs - Builder::from_env (line 439)
[INFO] [stdout]     src/lib.rs - Builder::new (line 399)
[INFO] [stdout]     src/lib.rs - Builder::parse_default_env (line 542)
[INFO] [stdout]     src/lib.rs - Builder::parse_env (line 466)
[INFO] [stdout]     src/lib.rs - Builder::parse_env (line 481)
[INFO] [stdout]     src/lib.rs - Builder::target (line 736)
[INFO] [stdout]     src/lib.rs - Builder::write_style (line 757)
[INFO] [stdout]     src/lib.rs - Logger::from_default_env (line 883)
[INFO] [stdout]     src/lib.rs - Logger::from_env (line 850)
[INFO] [stdout]     src/lib.rs - Logger::from_env (line 859)
[INFO] [stdout]     src/lib.rs - init_from_env (line 1209)
[INFO] [stdout]     src/lib.rs - try_init_from_env (line 1172)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 39 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "7fcd43df6b2478a715b9954ea0a2b92a39f6ea4d79a5b3750d4cd6f2ac0a4800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcd43df6b2478a715b9954ea0a2b92a39f6ea4d79a5b3750d4cd6f2ac0a4800", kill_on_drop: false }`
[INFO] [stdout] 7fcd43df6b2478a715b9954ea0a2b92a39f6ea4d79a5b3750d4cd6f2ac0a4800
