[INFO] fetching crate rmimeparser 0.2.0...
[INFO] checking rmimeparser-0.2.0 against 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] extracting crate rmimeparser 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rmimeparser 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rmimeparser 0.2.0
[INFO] tweaked toml for crates.io crate rmimeparser 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmimeparser 0.2.0 on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmimeparser 0.2.0 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" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2b55c0e749b4ecee1b9065a3d94ffa6cd17cb2699b2a73eb0aa4d2c1ac4f2e32
[INFO] running `Command { std: "docker" "start" "2b55c0e749b4ecee1b9065a3d94ffa6cd17cb2699b2a73eb0aa4d2c1ac4f2e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b55c0e749b4ecee1b9065a3d94ffa6cd17cb2699b2a73eb0aa4d2c1ac4f2e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2b55c0e749b4ecee1b9065a3d94ffa6cd17cb2699b2a73eb0aa4d2c1ac4f2e32" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b55c0e749b4ecee1b9065a3d94ffa6cd17cb2699b2a73eb0aa4d2c1ac4f2e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2b55c0e749b4ecee1b9065a3d94ffa6cd17cb2699b2a73eb0aa4d2c1ac4f2e32" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rmimeparser v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `decode_iso` is never used
[INFO] [stdout]   --> tests/quoted_printable_decoder_test.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn decode_iso(encoded: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> tests/base64_decoder_test.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |     assert!(Base64Decoder::estimate_decoded_size(0) >= 0);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: crater fail !! problematic pattern detected !!
[INFO] [stdout]    --> tests/mime_parser_test.rs:291:27
[INFO] [stdout]     |
[INFO] [stdout] 291 |     assert!(matches!(err, MimeParseError { .. }));
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type is defined in crate `rmimeparser`
[INFO] [stdout]     = note: `#[deny(rest_pattern_match_on_struct_with_all_private_fields)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rmimeparser` (test "mime_parser_test") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2b55c0e749b4ecee1b9065a3d94ffa6cd17cb2699b2a73eb0aa4d2c1ac4f2e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b55c0e749b4ecee1b9065a3d94ffa6cd17cb2699b2a73eb0aa4d2c1ac4f2e32", kill_on_drop: false }`
[INFO] [stdout] 2b55c0e749b4ecee1b9065a3d94ffa6cd17cb2699b2a73eb0aa4d2c1ac4f2e32
