[INFO] fetching crate recase 0.3.0...
[INFO] testing recase-0.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate recase 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate recase 0.3.0
[INFO] finished tweaking crates.io crate recase 0.3.0
[INFO] tweaked toml for crates.io crate recase 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate recase 0.3.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate recase 0.3.0 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c81c2d760a026dc6414a8b0f746b363d4b9eb6cb04ba2fbf5a3f8e6ece993dd
[INFO] running `Command { std: "docker" "start" "-a" "8c81c2d760a026dc6414a8b0f746b363d4b9eb6cb04ba2fbf5a3f8e6ece993dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c81c2d760a026dc6414a8b0f746b363d4b9eb6cb04ba2fbf5a3f8e6ece993dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c81c2d760a026dc6414a8b0f746b363d4b9eb6cb04ba2fbf5a3f8e6ece993dd", kill_on_drop: false }`
[INFO] [stdout] 8c81c2d760a026dc6414a8b0f746b363d4b9eb6cb04ba2fbf5a3f8e6ece993dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 69bae21b8e6d41fb423aef23bdc1b554ae8f938b72cbca5aba54aae5c2e0e5f0
[INFO] running `Command { std: "docker" "start" "-a" "69bae21b8e6d41fb423aef23bdc1b554ae8f938b72cbca5aba54aae5c2e0e5f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling recase v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "69bae21b8e6d41fb423aef23bdc1b554ae8f938b72cbca5aba54aae5c2e0e5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69bae21b8e6d41fb423aef23bdc1b554ae8f938b72cbca5aba54aae5c2e0e5f0", kill_on_drop: false }`
[INFO] [stdout] 69bae21b8e6d41fb423aef23bdc1b554ae8f938b72cbca5aba54aae5c2e0e5f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2555a0ec251a458d28876e322bad6cc1db0e1ad1cc7e580265a5e0dd2eb8241d
[INFO] running `Command { std: "docker" "start" "-a" "2555a0ec251a458d28876e322bad6cc1db0e1ad1cc7e580265a5e0dd2eb8241d", kill_on_drop: false }`
[INFO] [stderr]    Compiling recase v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "2555a0ec251a458d28876e322bad6cc1db0e1ad1cc7e580265a5e0dd2eb8241d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2555a0ec251a458d28876e322bad6cc1db0e1ad1cc7e580265a5e0dd2eb8241d", kill_on_drop: false }`
[INFO] [stdout] 2555a0ec251a458d28876e322bad6cc1db0e1ad1cc7e580265a5e0dd2eb8241d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e47d10af2a499cfe8836a4776987f85e86e3c96ca795759a29cdefbe280e3fbf
[INFO] running `Command { std: "docker" "start" "-a" "e47d10af2a499cfe8836a4776987f85e86e3c96ca795759a29cdefbe280e3fbf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/recase-d08be177d9e164fe)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test recase_tests::test_alternating_case ... ok
[INFO] [stdout] test recase_tests::test_camel_case ... ok
[INFO] [stdout] test recase_tests::test_upper_snake_case ... ok
[INFO] [stdout] test recase_tests::test_constructor ... ok
[INFO] [stdout] test utils::utils_tests::uppercase_related::is_uppercase_one_char_ascii ... ok
[INFO] [stdout] test utils::utils_tests::uppercase_related::is_uppercase_one_char_utf8 ... ok
[INFO] [stdout] test utils::utils_tests::test_slice_words::slice_words_by_symbols ... ok
[INFO] [stdout] test utils::utils_tests::test_slice_words::slice_words_by_all_methods ... ok
[INFO] [stdout] test utils::utils_tests::test_slice_words::slice_words_by_symbols_with_utf8 ... ok
[INFO] [stdout] test recase_tests::test_normal_case ... ok
[INFO] [stdout] test utils::utils_tests::test_slice_words::slice_words_by_uppercase_with_utf8 ... ok
[INFO] [stdout] test utils::utils_tests::uppercase_related::uppercase_std ... ok
[INFO] [stdout] test recase_tests::empty_input - should panic ... ok
[INFO] [stdout] test utils::utils_tests::uppercase_related::is_uppercase_two_plus_chars - should panic ... ok
[INFO] [stdout] test utils::utils_tests::uppercase_related::is_uppercase_zero_char - should panic ... ok
[INFO] [stdout] test utils::utils_tests::uppercase_related::test_uppercase_first_letter - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e47d10af2a499cfe8836a4776987f85e86e3c96ca795759a29cdefbe280e3fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47d10af2a499cfe8836a4776987f85e86e3c96ca795759a29cdefbe280e3fbf", kill_on_drop: false }`
[INFO] [stdout] e47d10af2a499cfe8836a4776987f85e86e3c96ca795759a29cdefbe280e3fbf