[INFO] fetching crate env_logger 0.9.3...
[INFO] testing env_logger-0.9.3 against try#8dae881ac166f8debe04e17604ebbe2ab47083fd+target=i686-unknown-linux-musl for musl_upgrade_test
[INFO] extracting crate env_logger 0.9.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate env_logger 0.9.3 on toolchain 8dae881ac166f8debe04e17604ebbe2ab47083fd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8dae881ac166f8debe04e17604ebbe2ab47083fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate env_logger 0.9.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate env_logger 0.9.3
[INFO] tweaked toml for crates.io crate env_logger 0.9.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate env_logger 0.9.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8dae881ac166f8debe04e17604ebbe2ab47083fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded humantime v2.1.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+8dae881ac166f8debe04e17604ebbe2ab47083fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d3208cdf7f4a2c544a78f7bb656c4d7d60f32a367131e53f212e16481449ecb
[INFO] running `Command { std: "docker" "start" "-a" "3d3208cdf7f4a2c544a78f7bb656c4d7d60f32a367131e53f212e16481449ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d3208cdf7f4a2c544a78f7bb656c4d7d60f32a367131e53f212e16481449ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d3208cdf7f4a2c544a78f7bb656c4d7d60f32a367131e53f212e16481449ecb", kill_on_drop: false }`
[INFO] [stdout] 3d3208cdf7f4a2c544a78f7bb656c4d7d60f32a367131e53f212e16481449ecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+8dae881ac166f8debe04e17604ebbe2ab47083fd" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 376891ffe74a3e055a4b8243e8ea3fbd1533f79ced63de85ccc74f014901aee5
[INFO] running `Command { std: "docker" "start" "-a" "376891ffe74a3e055a4b8243e8ea3fbd1533f79ced63de85ccc74f014901aee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling env_logger v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.92s
[INFO] running `Command { std: "docker" "inspect" "376891ffe74a3e055a4b8243e8ea3fbd1533f79ced63de85ccc74f014901aee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "376891ffe74a3e055a4b8243e8ea3fbd1533f79ced63de85ccc74f014901aee5", kill_on_drop: false }`
[INFO] [stdout] 376891ffe74a3e055a4b8243e8ea3fbd1533f79ced63de85ccc74f014901aee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+8dae881ac166f8debe04e17604ebbe2ab47083fd" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 5f4ae096075a1e09e6eb679a191d2e0fa029799aa24411589136fa5bd0d73a4c
[INFO] running `Command { std: "docker" "start" "-a" "5f4ae096075a1e09e6eb679a191d2e0fa029799aa24411589136fa5bd0d73a4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "5f4ae096075a1e09e6eb679a191d2e0fa029799aa24411589136fa5bd0d73a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4ae096075a1e09e6eb679a191d2e0fa029799aa24411589136fa5bd0d73a4c", kill_on_drop: false }`
[INFO] [stdout] 5f4ae096075a1e09e6eb679a191d2e0fa029799aa24411589136fa5bd0d73a4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+8dae881ac166f8debe04e17604ebbe2ab47083fd" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 564f2dda75df22b18db94f4c12203ad23d64edf58883a40ddb3d3368d4b769cc
[INFO] running `Command { std: "docker" "start" "-a" "564f2dda75df22b18db94f4c12203ad23d64edf58883a40ddb3d3368d4b769cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stdout] running 57 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/env_logger-4bd2b0a5d8b7272e)
[INFO] [stdout] test filter::tests::ensure_tests_cover_level_universe ... ok
[INFO] [stdout] test filter::tests::match_beginning ... ok
[INFO] [stdout] test filter::tests::filter_info ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_error_uc ... ok
[INFO] [stdout] test filter::tests::no_match ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_info_lc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_debug_mixed ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_error_lc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_off_lc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_info_uc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_debug_lc ... ok
[INFO] [stdout] test filter::tests::parse_default ... ok
[INFO] [stdout] test filter::tests::match_beginning_longest_match ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_debug_uc ... ok
[INFO] [stdout] test filter::tests::match_default ... ok
[INFO] [stdout] test filter::tests::filter_beginning_longest_match ... ok
[INFO] [stdout] test filter::tests::parse_spec_blank_level_isolated_comma_only ... ok
[INFO] [stdout] test filter::tests::match_full_path ... ok
[INFO] [stdout] test filter::tests::parse_spec_global_bare_warn_mixed ... ok
[INFO] [stdout] test filter::tests::parse_spec_empty_level_isolated ... ok
[INFO] [stdout] test filter::tests::parse_spec_empty_level ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_trace_lc ... ok
[INFO] [stdout] test filter::tests::parse_spec_blank_level_isolated_comma_blank ... ok
[INFO] [stdout] test filter::tests::parse_spec_blank_level_isolated_blank_comma ... ok
[INFO] [stdout] test filter::tests::parse_spec_blank_level_isolated ... ok
[INFO] [stdout] test filter::tests::parse_spec_global_bare_warn_lc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_off_uc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_warn_lc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_warn_uc ... ok
[INFO] [stdout] test filter::tests::parse_default_bare_level_trace_uc ... 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_empty_with_filter ... 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_target ... ok
[INFO] [stdout] test filter::tests::parse_spec_invalid_level ... ok
[INFO] [stdout] test fmt::tests::format_with_header ... ok
[INFO] [stdout] test fmt::writer::tests::parse_write_style_invalid ... ok
[INFO] [stdout] test fmt::writer::tests::parse_write_style_valid ... 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 tests::env_get_write_style_reads_from_default_if_var_not_set ... ok
[INFO] [stdout] test tests::env_get_write_style_reads_from_var_if_set ... ok
[INFO] [stdout] test filter::tests::parse_spec_string_level ... ok
[INFO] [stdout] test filter::tests::parse_spec_invalid_crate ... ok
[INFO] [stdout] test fmt::tests::format_no_target ... ok
[INFO] [stdout] test filter::tests::parse_spec_valid ... ok
[INFO] [stdout] test fmt::tests::format_no_header ... ok
[INFO] [stdout] test fmt::tests::format_suffix_with_indent ... ok
[INFO] [stdout] test filter::tests::parse_spec_invalid_crate_filter ... ok
[INFO] [stdout] test fmt::tests::format_indent_spaces_no_header ... ok
[INFO] [stdout] test fmt::tests::format_empty_target ... ok
[INFO] [stdout] test fmt::tests::format_indent_spaces ... ok
[INFO] [stdout] test filter::tests::parse_spec_valid_filter ... ok
[INFO] [stdout] test filter::tests::zero_level ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/init-twice-retains-filter.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/init_twice_retains_filter-50129ac6a64a64e3)
[INFO] [stderr]      Running tests/log-in-log.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/log_in_log-bc3769e1d0d107e1)
[INFO] [stderr]      Running tests/log_tls_dtors.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/log_tls_dtors-8148efbf8c6a11e3)
[INFO] [stderr]      Running tests/regexp_filter.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/regexp_filter-64a445e63b2aacbb)
[INFO] running `Command { std: "docker" "inspect" "564f2dda75df22b18db94f4c12203ad23d64edf58883a40ddb3d3368d4b769cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "564f2dda75df22b18db94f4c12203ad23d64edf58883a40ddb3d3368d4b769cc", kill_on_drop: false }`
[INFO] [stdout] 564f2dda75df22b18db94f4c12203ad23d64edf58883a40ddb3d3368d4b769cc