[INFO] fetching crate splitbits 0.1.2...
[INFO] checking splitbits-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate splitbits 0.1.2 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate splitbits 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate splitbits 0.1.2
[INFO] tweaked toml for crates.io crate splitbits 0.1.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate splitbits 0.1.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23db13a853ec5b9863ec8f52d744d67e29a836cc73a0b08b29fba7baab562952
[INFO] running `Command { std: "docker" "start" "-a" "23db13a853ec5b9863ec8f52d744d67e29a836cc73a0b08b29fba7baab562952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23db13a853ec5b9863ec8f52d744d67e29a836cc73a0b08b29fba7baab562952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23db13a853ec5b9863ec8f52d744d67e29a836cc73a0b08b29fba7baab562952", kill_on_drop: false }`
[INFO] [stdout] 23db13a853ec5b9863ec8f52d744d67e29a836cc73a0b08b29fba7baab562952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3288f39851ee73b8d87fe7d95c4a3548bd3d7aca59e73e3390711a3696af0158
[INFO] running `Command { std: "docker" "start" "-a" "3288f39851ee73b8d87fe7d95c4a3548bd3d7aca59e73e3390711a3696af0158", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]     Checking serde_spanned v1.0.3
[INFO] [stderr]     Checking toml_datetime v0.7.3
[INFO] [stderr]     Checking toml_writer v1.0.4
[INFO] [stderr]     Checking ux v0.1.6
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking toml_parser v1.0.4
[INFO] [stderr]     Checking splitbits v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.9.8
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking trybuild v1.0.114
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_replacebits.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let result = replacebits!(0b1001_1010_1100_1111u16, "aaab bbbb .d.. cccc");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `replacebits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_replacebits.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let result = replacebits!(var, "aaab bbbb .d.. cccc");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `replacebits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_replacebits.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let result = replacebits!(0b1001_1010_1100_1111u16, "aaab bbbb 0d11 cccc");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `replacebits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_replacebits.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let result = replacebits!(0b1001_1010_1100_1111u16, "aabb bbab .c.. ccdc");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `replacebits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_replacebits.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let result = replacebits!(0b0001_1010_1100_1111u16, ".aab bbbb .d.. cccc");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `replacebits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_replacebits.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let result = replacebits!(overflow=truncate, 0b0001_1010_1100_1111u16, ".aab bbbb .d.. cccc");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `replacebits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_replacebits.rs:75:13
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let _ = replacebits!(overflow=panic, 0b0001_1010_1100_1111u16, ".aab bbbb .d.. cccc");
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `replacebits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_replacebits.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let result = replacebits!(overflow=saturate, 0b0001_1010_1100_1111u16, ".aab bbbb .d.. cccc");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `replacebits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_replacebits.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let result = replacebits!(overflow=corrupt, 0b0001_1010_1100_1111u16, ".aab bbbb .d.. cccc");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `replacebits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> tests/test_replacebits.rs:103:18
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let result = replacehex!(0xABCD_EF01_2345_6789, "0a.. cc.b bbbb bb1D");
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `replacehex` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u128, Infallible>
[INFO] [stdout]   --> tests/test_splithex.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         splithex_named_into!(
[INFO] [stdout] 42 | |             0x2101_0db8_85a3_0000_0000_8a2e_0370_7334,
[INFO] [stdout] 43 | |              "abbb bbbb bbbb bbbb bbbe ffff ffff hhii",
[INFO] [stdout] 44 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `splithex_named_into` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_named_into.rs:8:33
[INFO] [stdout]    |
[INFO] [stdout]  8 |       (greatest, of, all, time) = splitbits_named_into!(
[INFO] [stdout]    |  _________________________________^
[INFO] [stdout]  9 | |         0b1101110111110001,
[INFO] [stdout] 10 | |          "aaaaaaaaadddefff",
[INFO] [stdout] 11 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `splitbits_named_into` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_named_into.rs:17:59
[INFO] [stdout]    |
[INFO] [stdout] 17 |       let (greatest, of, all, time): (u128, u8, u32, u16) = splitbits_named_into!(
[INFO] [stdout]    |  ___________________________________________________________^
[INFO] [stdout] 18 | |         0b1101110111110001,
[INFO] [stdout] 19 | |          "aaaaaaaaadddefff",
[INFO] [stdout] 20 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits_named_into` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `splitbits` (test "test_replacebits") due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `splitbits` (test "test_splitbits_named_into") due to 2 previous errors
[INFO] [stderr] error: could not compile `splitbits` (test "test_splithex") due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]  --> tests/test_splitbits_then_combine.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let result = splitbits_then_combine!(0b1001_1011, "aaaa aaaa", "aaaa aaaa");
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the macro `splitbits_then_combine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_then_combine.rs:13:18
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let result = splitbits_then_combine!(0b1001_1010, "aaab bbbb", "bbbb baaa");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits_then_combine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_then_combine.rs:19:18
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let result = splitbits_then_combine!(0b1001_1011, "..aa ....", "101a a011");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits_then_combine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_then_combine.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |       let result = splitbits_then_combine!(
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 26 | |         0b1001_0000, "aaaa aaaa",
[INFO] [stdout] 27 | |         0b1111_1010, "bbbb bbbb",
[INFO] [stdout] 28 | |                      "aaaa aaaa bbbb bbbb",
[INFO] [stdout] 29 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits_then_combine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_then_combine.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |       let result = splitbits_then_combine!(
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 36 | |         0b1001_0000, "aaaa ....",
[INFO] [stdout] 37 | |         0b1111_1010, ".... ..cc",
[INFO] [stdout] 38 | |         0b1111_0011, ".... bb..",
[INFO] [stdout] 39 | |                      "aaaa bbcc",
[INFO] [stdout] 40 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits_then_combine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_then_combine.rs:46:18
[INFO] [stdout]    |
[INFO] [stdout] 46 |       let result = splitbits_then_combine!(
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 47 | |         0b1001_0000_1111_0000, "aaaa .... .... ....",
[INFO] [stdout] 48 | |         0b1111_1010_0111_0000, ".... bbbb aaaa ....",
[INFO] [stdout] 49 | |                                "0000 bbbb aaaa aaaa",
[INFO] [stdout] 50 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits_then_combine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_then_combine.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |       let result = splitbits_then_combine!(
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 57 | |         0b1001_0000_1111_0000, "c.aa .... ...a ....",
[INFO] [stdout] 58 | |         0b1111_1010_0111_0000, "..a. ..a. bb.a ....",
[INFO] [stdout] 59 | |         0b1111_0011_1111_0000, "..aa aaa. .... ...a",
[INFO] [stdout] 60 | |                                "bb1a aaaa aaaa aaac",
[INFO] [stdout] 61 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits_then_combine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_then_combine.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |       let result = splitbits_then_combine!(
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 68 | |         0b1001_0000_1111_0000, "aaaa .... .... ....",
[INFO] [stdout] 69 | |         0b1111_1010_0111_0000, ".... bbbb aaaa ....",
[INFO] [stdout] 70 | |                                "aa00 bb01 aaab baaa",
[INFO] [stdout] 71 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits_then_combine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_then_combine.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 77 |       let result = splitbits_then_combine!(
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 78 | |         0b1001_0000_1111_0000, "c.aa .... ...a ....",
[INFO] [stdout] 79 | |         0b1111_1010_0111_0000, "..a. ..a. bb.a ....",
[INFO] [stdout] 80 | |         0b1111_0011_1111_0000, "..aa aaa. .... ...a",
[INFO] [stdout] 81 | |                                "ba1b aaaa aaaa aaca",
[INFO] [stdout] 82 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits_then_combine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_then_combine.rs:88:18
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let result = splithex_then_combine!(0xABCD_EF01_2345_6789, "aaab bbbb bbbb bbbb", "bbbb bbbb bbbb baaa");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splithex_then_combine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u128, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_then_combine.rs:94:18
[INFO] [stdout]    |
[INFO] [stdout] 94 |       let result = splithex_then_combine!(
[INFO] [stdout]    |  __________________^
[INFO] [stdout] 95 | |         0xABCD_EF01_2345_6789_1900_0088_4321_9876,
[INFO] [stdout] 96 | |          ".aa. ..bb b..c dd.. ..ee eeee ee.. ....",
[INFO] [stdout] 97 | |          "ddAB cCbb bDEF aa01 2345 6789 eeee eeee");
[INFO] [stdout]    | |___________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splithex_then_combine` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_named.rs:7:17
[INFO] [stdout]    |
[INFO] [stdout]  7 |       let field = splitbits_named!(
[INFO] [stdout]    |  _________________^
[INFO] [stdout]  8 | |         0b1101_1101_1000_0100_0000_0000_1111_1001,
[INFO] [stdout]  9 | |          ".... bbbb bbbb bbbb bbbb bbb. .... ....",
[INFO] [stdout] 10 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `splitbits_named` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `splitbits` (test "test_splitbits_then_combine") due to 11 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]  --> tests/test_splitbits.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let fields = splitbits!(0b11011101, "aaabbccc");
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_named.rs:17:37
[INFO] [stdout]    |
[INFO] [stdout] 17 |       let (greatest, of, all, time) = splitbits_named!(
[INFO] [stdout]    |  _____________________________________^
[INFO] [stdout] 18 | |         0b1101110111110001,
[INFO] [stdout] 19 | |          "aaaaaaaaadddefff",
[INFO] [stdout] 20 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits_named` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_named.rs:29:37
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let (greatest, of, all, time) = splitbits_named!(0b1000_1011, "bdda.cc.");
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits_named` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> tests/test_splitbits_named.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |       (greatest, of, all, time) = splitbits_named!(
[INFO] [stdout]    |  _________________________________^
[INFO] [stdout] 40 | |         0b1101110111110001,
[INFO] [stdout] 41 | |          "aaaaaaaaadddefff",
[INFO] [stdout] 42 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits_named` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let fields = splitbits!(221, "aaabbccc");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let fields = splitbits!(value, "aaabbccc");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let fields = splitbits!(value, "aaabbccc");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let fields = splitbits!(0b11010101, "abbbcdee");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let fields = splitbits!(0b11011101, ".aa.bb..");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let fields = splitbits!(0b110_11101, " a aa   b bccc  ");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits.rs:72:18
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let fields = splitbits!(0b1101_1101, "abadadda");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits.rs:80:18
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let fields = splitbits!(0b1111_1101, ".ad. cdd.");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits.rs:89:18
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let fields = splitbits!(0b11011101, "aaabbccc");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]   --> tests/test_splitbits.rs:94:19
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let fields2 = splitbits!(0b01001100, "aaabbccc");
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> tests/test_splitbits.rs:104:18
[INFO] [stdout]     |
[INFO] [stdout] 104 |       let fields = splitbits!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 105 | |         0b1101110111111001,
[INFO] [stdout] 106 | |          "aaaaaaaaadddefff",
[INFO] [stdout] 107 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> tests/test_splitbits.rs:117:18
[INFO] [stdout]     |
[INFO] [stdout] 117 |       let fields = splitbits!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 118 | |         0b1101_1101_1000_0100_0000_0000_1111_1001,
[INFO] [stdout] 119 | |          "aaaa bbbb bbbb bbbb bbbb bbbi jjjj klll",
[INFO] [stdout] 120 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u128, Infallible>
[INFO] [stdout]    --> tests/test_splitbits.rs:158:18
[INFO] [stdout]     |
[INFO] [stdout] 158 |       let fields = splitbits!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 159 | |         0b1101_1101_1000_0100_0001_0000_1111_0001_1101_1101_1000_0000_0100_0110_1101_0001_1101_1101_1000_0000_1001_0000_1111_0001_1101_11...
[INFO] [stdout] 160 | |          "aaaa bbcc cdde efff ffff ff.. .... gg.. ...h hiii iiii iiii iiii iiii iiii iiii iiii iiii iiii iiii iiii iiii iiii iiii iiii ii...
[INFO] [stdout] 161 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> tests/test_splitbits.rs:184:18
[INFO] [stdout]     |
[INFO] [stdout] 184 |       let fields = splitbits!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 185 | |         min=u8,
[INFO] [stdout] 186 | |         0b1101110111111001,
[INFO] [stdout] 187 | |          "aaaaaaaaadddefff",
[INFO] [stdout] 188 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> tests/test_splitbits.rs:198:18
[INFO] [stdout]     |
[INFO] [stdout] 198 |       let fields = splitbits!(
[INFO] [stdout]     |  __________________^
[INFO] [stdout] 199 | |         min=u16,
[INFO] [stdout] 200 | |         0b1101110111111001,
[INFO] [stdout] 201 | |          "aaaaaaaaadddefff",
[INFO] [stdout] 202 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `splitbits` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `splitbits` (test "test_splitbits_named") due to 4 previous errors
[INFO] [stderr] error: could not compile `splitbits` (test "test_splitbits") due to 16 previous errors
[INFO] running `Command { std: "docker" "inspect" "3288f39851ee73b8d87fe7d95c4a3548bd3d7aca59e73e3390711a3696af0158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3288f39851ee73b8d87fe7d95c4a3548bd3d7aca59e73e3390711a3696af0158", kill_on_drop: false }`
[INFO] [stdout] 3288f39851ee73b8d87fe7d95c4a3548bd3d7aca59e73e3390711a3696af0158
