Dec 19 10:15:59.776 INFO checking remram44/rs-sync against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 10:15:59.776 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/remram44/rs-sync:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 10:16:00.332 INFO [stdout] 142640db283295102c200c8bacb1cf136c7ad64dbb5d88928e85bc50e3fc3e56
Dec 19 10:16:00.334 INFO running `"docker" "start" "-a" "142640db283295102c200c8bacb1cf136c7ad64dbb5d88928e85bc50e3fc3e56"`
Dec 19 10:16:03.155 INFO [stderr]     Checking sha1 v0.4.0
Dec 19 10:16:03.155 INFO [stderr]     Checking memchr v0.1.11
Dec 19 10:16:03.160 INFO [stderr]     Checking log v0.4.0
Dec 19 10:16:03.168 INFO [stderr]     Checking regex v0.2.4
Dec 19 10:16:03.180 INFO [stderr]     Checking thread-id v2.0.0
Dec 19 10:16:03.829 INFO [stderr]     Checking thread_local v0.2.7
Dec 19 10:16:04.192 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 19 10:16:04.729 INFO [stderr]     Checking log v0.3.9
Dec 19 10:16:06.066 INFO [stderr]     Checking regex v0.1.80
Dec 19 10:16:08.372 INFO [stderr]     Checking env_logger v0.4.3
Dec 19 10:16:09.354 INFO [stderr]     Checking docopt v0.6.86
Dec 19 10:16:10.506 INFO [stderr]     Checking rs-sync v0.1.0 (/opt/crater/workdir)
Dec 19 10:16:11.340 INFO [stderr] warning: unused variable: `hashes`
Dec 19 10:16:11.340 INFO [stderr]   --> src/delta.rs:27:9
Dec 19 10:16:11.341 INFO [stderr]    |
Dec 19 10:16:11.341 INFO [stderr] 27 |         hashes: &HashMap<u32, HashSet<[u8; 20]>>, files: I,
Dec 19 10:16:11.341 INFO [stderr]    |         ^^^^^^ help: consider using `_hashes` instead
Dec 19 10:16:11.342 INFO [stderr]    |
Dec 19 10:16:11.342 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 10:16:11.342 INFO [stderr] 
Dec 19 10:16:11.342 INFO [stderr] warning: unused variable: `files`
Dec 19 10:16:11.343 INFO [stderr]   --> src/delta.rs:27:51
Dec 19 10:16:11.343 INFO [stderr]    |
Dec 19 10:16:11.343 INFO [stderr] 27 |         hashes: &HashMap<u32, HashSet<[u8; 20]>>, files: I,
Dec 19 10:16:11.343 INFO [stderr]    |                                                   ^^^^^ help: consider using `_files` instead
Dec 19 10:16:11.344 INFO [stderr] 
Dec 19 10:16:11.404 INFO [stderr] warning: unused variable: `hashes`
Dec 19 10:16:11.404 INFO [stderr]   --> src/delta.rs:27:9
Dec 19 10:16:11.405 INFO [stderr]    |
Dec 19 10:16:11.405 INFO [stderr] 27 |         hashes: &HashMap<u32, HashSet<[u8; 20]>>, files: I,
Dec 19 10:16:11.405 INFO [stderr]    |         ^^^^^^ help: consider using `_hashes` instead
Dec 19 10:16:11.405 INFO [stderr]    |
Dec 19 10:16:11.405 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 10:16:11.406 INFO [stderr] 
Dec 19 10:16:11.406 INFO [stderr] warning: unused variable: `files`
Dec 19 10:16:11.406 INFO [stderr]   --> src/delta.rs:27:51
Dec 19 10:16:11.406 INFO [stderr]    |
Dec 19 10:16:11.407 INFO [stderr] 27 |         hashes: &HashMap<u32, HashSet<[u8; 20]>>, files: I,
Dec 19 10:16:11.407 INFO [stderr]    |                                                   ^^^^^ help: consider using `_files` instead
Dec 19 10:16:11.407 INFO [stderr] 
Dec 19 10:16:11.540 INFO [stderr] warning: type `Adler32_SHA1` should have a camel case name such as `Adler32Sha1`
Dec 19 10:16:11.540 INFO [stderr]   --> src/hasher.rs:60:1
Dec 19 10:16:11.540 INFO [stderr]    |
Dec 19 10:16:11.540 INFO [stderr] 60 | / pub struct Adler32_SHA1 {
Dec 19 10:16:11.540 INFO [stderr] 61 | |     pub adler32: u32,
Dec 19 10:16:11.540 INFO [stderr] 62 | |     pub sha1: [u8; 20],
Dec 19 10:16:11.540 INFO [stderr] 63 | | }
Dec 19 10:16:11.540 INFO [stderr]    | |_^
Dec 19 10:16:11.540 INFO [stderr]    |
Dec 19 10:16:11.540 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 19 10:16:11.541 INFO [stderr] 
Dec 19 10:16:11.662 INFO [stderr] warning: type `Adler32_SHA1` should have a camel case name such as `Adler32Sha1`
Dec 19 10:16:11.662 INFO [stderr]   --> src/hasher.rs:60:1
Dec 19 10:16:11.662 INFO [stderr]    |
Dec 19 10:16:11.662 INFO [stderr] 60 | / pub struct Adler32_SHA1 {
Dec 19 10:16:11.662 INFO [stderr] 61 | |     pub adler32: u32,
Dec 19 10:16:11.662 INFO [stderr] 62 | |     pub sha1: [u8; 20],
Dec 19 10:16:11.662 INFO [stderr] 63 | | }
Dec 19 10:16:11.662 INFO [stderr]    | |_^
Dec 19 10:16:11.662 INFO [stderr]    |
Dec 19 10:16:11.662 INFO [stderr]    = note: #[warn(non_camel_case_types)] on by default
Dec 19 10:16:11.662 INFO [stderr] 
Dec 19 10:16:12.152 INFO [stderr] warning: unused import: `ReadBytesExt`
Dec 19 10:16:12.152 INFO [stderr]  --> tests/test_diff.rs:8:17
Dec 19 10:16:12.152 INFO [stderr]   |
Dec 19 10:16:12.152 INFO [stderr] 8 | use byteorder::{ReadBytesExt, WriteBytesExt, BigEndian};
Dec 19 10:16:12.152 INFO [stderr]   |                 ^^^^^^^^^^^^
Dec 19 10:16:12.152 INFO [stderr]   |
Dec 19 10:16:12.152 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 10:16:12.152 INFO [stderr] 
Dec 19 10:16:12.152 INFO [stderr] warning: unused import: `Adler32_SHA1`
Dec 19 10:16:12.152 INFO [stderr]  --> tests/test_diff.rs:9:15
Dec 19 10:16:12.152 INFO [stderr]   |
Dec 19 10:16:12.152 INFO [stderr] 9 | use rs_sync::{Adler32_SHA1, adler32_sha1, DefaultHashes};
Dec 19 10:16:12.152 INFO [stderr]   |               ^^^^^^^^^^^^
Dec 19 10:16:12.152 INFO [stderr] 
Dec 19 10:16:12.568 INFO [stderr] warning: constant item is never used: `h_e`
Dec 19 10:16:12.569 INFO [stderr]    --> tests/test_diff.rs:119:1
Dec 19 10:16:12.569 INFO [stderr]     |
Dec 19 10:16:12.569 INFO [stderr] 119 | / const h_e: (u32, &'static [u8; 20]) = (66453909,
Dec 19 10:16:12.570 INFO [stderr] 120 | |     b"\xb2\xc4\xee\x5d\xe8\x28\x66\xdb\x38\xf7\
Dec 19 10:16:12.570 INFO [stderr] 121 | |      \x9c\x6d\x4a\x91\xa6\x26\x48\x6b\x70\xe9"
Dec 19 10:16:12.570 INFO [stderr] 122 | | );
Dec 19 10:16:12.570 INFO [stderr]     | |__^
Dec 19 10:16:12.571 INFO [stderr]     |
Dec 19 10:16:12.571 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 10:16:12.571 INFO [stderr] 
Dec 19 10:16:12.572 INFO [stderr] warning: constant item is never used: `h_f`
Dec 19 10:16:12.572 INFO [stderr]    --> tests/test_diff.rs:123:1
Dec 19 10:16:12.572 INFO [stderr]     |
Dec 19 10:16:12.573 INFO [stderr] 123 | / const h_f: (u32, &'static [u8; 20]) = (67109273,
Dec 19 10:16:12.573 INFO [stderr] 124 | |     b"\xd3\x3f\xef\x58\xbe\xdd\x39\xdc\x1c\x2d\
Dec 19 10:16:12.573 INFO [stderr] 125 | |      \x38\xf1\x63\x05\xb1\x00\x10\xe9\x05\x8e"
Dec 19 10:16:12.574 INFO [stderr] 126 | | );
Dec 19 10:16:12.574 INFO [stderr]     | |__^
Dec 19 10:16:12.574 INFO [stderr] 
Dec 19 10:16:12.576 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.576 INFO [stderr]   --> tests/test_diff.rs:16:5
Dec 19 10:16:12.576 INFO [stderr]    |
Dec 19 10:16:12.577 INFO [stderr] 16 | /     hashes.hash(Path::new("/file1").to_owned(),
Dec 19 10:16:12.577 INFO [stderr] 17 | |                 Cursor::new(b"aaaabbbbccccZZ" as &[u8]));
Dec 19 10:16:12.577 INFO [stderr]    | |_________________________________________________________^
Dec 19 10:16:12.577 INFO [stderr]    |
Dec 19 10:16:12.578 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 10:16:12.578 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.578 INFO [stderr] 
Dec 19 10:16:12.579 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.579 INFO [stderr]   --> tests/test_diff.rs:18:5
Dec 19 10:16:12.579 INFO [stderr]    |
Dec 19 10:16:12.580 INFO [stderr] 18 | /     hashes.hash(Path::new("/file2").to_owned(),
Dec 19 10:16:12.580 INFO [stderr] 19 | |                 Cursor::new(b"ddddbbbbYY" as &[u8]));
Dec 19 10:16:12.580 INFO [stderr]    | |_____________________________________________________^
Dec 19 10:16:12.581 INFO [stderr]    |
Dec 19 10:16:12.581 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.581 INFO [stderr] 
Dec 19 10:16:12.582 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.582 INFO [stderr]   --> tests/test_diff.rs:21:5
Dec 19 10:16:12.582 INFO [stderr]    |
Dec 19 10:16:12.583 INFO [stderr] 21 |     write_index_file(&mut index, &hashes);
Dec 19 10:16:12.583 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.583 INFO [stderr]    |
Dec 19 10:16:12.584 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.584 INFO [stderr] 
Dec 19 10:16:12.585 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.585 INFO [stderr]   --> tests/test_diff.rs:70:5
Dec 19 10:16:12.585 INFO [stderr]    |
Dec 19 10:16:12.586 INFO [stderr] 70 |     expected.write_u8(0x02);
Dec 19 10:16:12.586 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.586 INFO [stderr]    |
Dec 19 10:16:12.587 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.587 INFO [stderr] 
Dec 19 10:16:12.587 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.587 INFO [stderr]   --> tests/test_diff.rs:71:5
Dec 19 10:16:12.588 INFO [stderr]    |
Dec 19 10:16:12.588 INFO [stderr] 71 |     expected.write_u32::<BigEndian>(h_a.0);
Dec 19 10:16:12.588 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.588 INFO [stderr]    |
Dec 19 10:16:12.588 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.588 INFO [stderr] 
Dec 19 10:16:12.588 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.588 INFO [stderr]   --> tests/test_diff.rs:72:5
Dec 19 10:16:12.588 INFO [stderr]    |
Dec 19 10:16:12.588 INFO [stderr] 72 |     expected.write(h_a.1);
Dec 19 10:16:12.588 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.589 INFO [stderr]    |
Dec 19 10:16:12.589 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.589 INFO [stderr] 
Dec 19 10:16:12.592 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.592 INFO [stderr]   --> tests/test_diff.rs:74:5
Dec 19 10:16:12.592 INFO [stderr]    |
Dec 19 10:16:12.592 INFO [stderr] 74 |     expected.write_u8(0x01);
Dec 19 10:16:12.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.592 INFO [stderr]    |
Dec 19 10:16:12.592 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.592 INFO [stderr] 
Dec 19 10:16:12.593 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.593 INFO [stderr]   --> tests/test_diff.rs:75:5
Dec 19 10:16:12.593 INFO [stderr]    |
Dec 19 10:16:12.593 INFO [stderr] 75 |     expected.write_u16::<BigEndian>(5 - 1);
Dec 19 10:16:12.593 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.593 INFO [stderr]    |
Dec 19 10:16:12.593 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.593 INFO [stderr] 
Dec 19 10:16:12.600 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.600 INFO [stderr]   --> tests/test_diff.rs:78:5
Dec 19 10:16:12.600 INFO [stderr]    |
Dec 19 10:16:12.600 INFO [stderr] 78 |     expected.write_u8(0x02);
Dec 19 10:16:12.600 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.600 INFO [stderr]    |
Dec 19 10:16:12.600 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.600 INFO [stderr] 
Dec 19 10:16:12.600 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.600 INFO [stderr]   --> tests/test_diff.rs:79:5
Dec 19 10:16:12.600 INFO [stderr]    |
Dec 19 10:16:12.600 INFO [stderr] 79 |     expected.write_u32::<BigEndian>(h_b.0);
Dec 19 10:16:12.600 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.600 INFO [stderr]    |
Dec 19 10:16:12.601 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.601 INFO [stderr] 
Dec 19 10:16:12.601 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.601 INFO [stderr]   --> tests/test_diff.rs:80:5
Dec 19 10:16:12.601 INFO [stderr]    |
Dec 19 10:16:12.601 INFO [stderr] 80 |     expected.write(h_b.1);
Dec 19 10:16:12.601 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.601 INFO [stderr]    |
Dec 19 10:16:12.601 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.601 INFO [stderr] 
Dec 19 10:16:12.601 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.601 INFO [stderr]   --> tests/test_diff.rs:82:5
Dec 19 10:16:12.601 INFO [stderr]    |
Dec 19 10:16:12.601 INFO [stderr] 82 |     expected.write_u8(0x01);
Dec 19 10:16:12.601 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.601 INFO [stderr]    |
Dec 19 10:16:12.601 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.601 INFO [stderr] 
Dec 19 10:16:12.601 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.601 INFO [stderr]   --> tests/test_diff.rs:83:5
Dec 19 10:16:12.601 INFO [stderr]    |
Dec 19 10:16:12.601 INFO [stderr] 83 |     expected.write_u16::<BigEndian>(4 - 1);
Dec 19 10:16:12.601 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.601 INFO [stderr]    |
Dec 19 10:16:12.601 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.601 INFO [stderr] 
Dec 19 10:16:12.601 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.601 INFO [stderr]   --> tests/test_diff.rs:86:5
Dec 19 10:16:12.601 INFO [stderr]    |
Dec 19 10:16:12.601 INFO [stderr] 86 |     expected.write_u8(0x03);
Dec 19 10:16:12.601 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.601 INFO [stderr]    |
Dec 19 10:16:12.601 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.601 INFO [stderr] 
Dec 19 10:16:12.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.608 INFO [stderr]   --> tests/test_diff.rs:87:5
Dec 19 10:16:12.608 INFO [stderr]    |
Dec 19 10:16:12.608 INFO [stderr] 87 |     expected.write_u16::<BigEndian>(0);
Dec 19 10:16:12.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.608 INFO [stderr]    |
Dec 19 10:16:12.608 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.608 INFO [stderr] 
Dec 19 10:16:12.608 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.608 INFO [stderr]   --> tests/test_diff.rs:88:5
Dec 19 10:16:12.608 INFO [stderr]    |
Dec 19 10:16:12.608 INFO [stderr] 88 |     expected.write_u64::<BigEndian>(4);
Dec 19 10:16:12.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.608 INFO [stderr]    |
Dec 19 10:16:12.609 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.609 INFO [stderr] 
Dec 19 10:16:12.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.609 INFO [stderr]   --> tests/test_diff.rs:90:5
Dec 19 10:16:12.609 INFO [stderr]    |
Dec 19 10:16:12.609 INFO [stderr] 90 |     expected.write_u8(0x01);
Dec 19 10:16:12.609 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.609 INFO [stderr]    |
Dec 19 10:16:12.609 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.609 INFO [stderr] 
Dec 19 10:16:12.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.609 INFO [stderr]   --> tests/test_diff.rs:91:5
Dec 19 10:16:12.609 INFO [stderr]    |
Dec 19 10:16:12.609 INFO [stderr] 91 |     expected.write_u16::<BigEndian>(6 - 1);
Dec 19 10:16:12.609 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.609 INFO [stderr]    |
Dec 19 10:16:12.609 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.609 INFO [stderr] 
Dec 19 10:16:12.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 10:16:12.609 INFO [stderr]   --> tests/test_diff.rs:98:5
Dec 19 10:16:12.609 INFO [stderr]    |
Dec 19 10:16:12.609 INFO [stderr] 98 |     expected.write_u8(0x00);
Dec 19 10:16:12.609 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 10:16:12.609 INFO [stderr]    |
Dec 19 10:16:12.609 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 10:16:12.609 INFO [stderr] 
Dec 19 10:16:12.609 INFO [stderr] warning: constant `h_a` should have an upper case name such as `H_A`
Dec 19 10:16:12.609 INFO [stderr]    --> tests/test_diff.rs:103:1
Dec 19 10:16:12.609 INFO [stderr]     |
Dec 19 10:16:12.609 INFO [stderr] 103 | / const h_a: (u32, &'static [u8; 20]) = (63832453,
Dec 19 10:16:12.609 INFO [stderr] 104 | |     b"\x70\xc8\x81\xd4\xa2\x69\x84\xdd\xce\x79\
Dec 19 10:16:12.609 INFO [stderr] 105 | |      \x5f\x6f\x71\x81\x7c\x9c\xf4\x48\x0e\x79"
Dec 19 10:16:12.609 INFO [stderr] 106 | | );
Dec 19 10:16:12.609 INFO [stderr]     | |__^
Dec 19 10:16:12.609 INFO [stderr] 
Dec 19 10:16:12.610 INFO [stderr] warning: constant `h_b` should have an upper case name such as `H_B`
Dec 19 10:16:12.610 INFO [stderr]    --> tests/test_diff.rs:107:1
Dec 19 10:16:12.610 INFO [stderr]     |
Dec 19 10:16:12.610 INFO [stderr] 107 | / const h_b: (u32, &'static [u8; 20]) = (64487817,
Dec 19 10:16:12.610 INFO [stderr] 108 | |     b"\x8a\xed\x13\x22\xe5\x45\x0b\xad\xb0\x78\
Dec 19 10:16:12.610 INFO [stderr] 109 | |      \xe1\xfb\x60\xa8\x17\xa1\xdf\x25\xa2\xca"
Dec 19 10:16:12.610 INFO [stderr] 110 | | );
Dec 19 10:16:12.610 INFO [stderr]     | |__^
Dec 19 10:16:12.610 INFO [stderr] 
Dec 19 10:16:12.610 INFO [stderr] warning: constant `h_c` should have an upper case name such as `H_C`
Dec 19 10:16:12.610 INFO [stderr]    --> tests/test_diff.rs:111:1
Dec 19 10:16:12.610 INFO [stderr]     |
Dec 19 10:16:12.610 INFO [stderr] 111 | / const h_c: (u32, &'static [u8; 20]) = (65143181,
Dec 19 10:16:12.610 INFO [stderr] 112 | |     b"\x4b\xea\xad\x62\x92\xb7\xdb\x0f\x93\x54\
Dec 19 10:16:12.610 INFO [stderr] 113 | |      \xe0\xd8\xb9\x15\xec\x0d\xbb\xc0\x3a\x5a"
Dec 19 10:16:12.610 INFO [stderr] 114 | | );
Dec 19 10:16:12.610 INFO [stderr]     | |__^
Dec 19 10:16:12.610 INFO [stderr] 
Dec 19 10:16:12.610 INFO [stderr] warning: constant `h_d` should have an upper case name such as `H_D`
Dec 19 10:16:12.610 INFO [stderr]    --> tests/test_diff.rs:115:1
Dec 19 10:16:12.610 INFO [stderr]     |
Dec 19 10:16:12.610 INFO [stderr] 115 | / const h_d: (u32, &'static [u8; 20]) = (65798545,
Dec 19 10:16:12.610 INFO [stderr] 116 | |     b"\x01\x46\x4e\x16\x16\xe3\xfd\xd5\xc6\x0c\
Dec 19 10:16:12.610 INFO [stderr] 117 | |      \x0c\xc5\x51\x6c\x1d\x14\x54\xcc\x41\x85"
Dec 19 10:16:12.610 INFO [stderr] 118 | | );
Dec 19 10:16:12.610 INFO [stderr]     | |__^
Dec 19 10:16:12.610 INFO [stderr] 
Dec 19 10:16:12.611 INFO [stderr] warning: constant `h_e` should have an upper case name such as `H_E`
Dec 19 10:16:12.611 INFO [stderr]    --> tests/test_diff.rs:119:1
Dec 19 10:16:12.611 INFO [stderr]     |
Dec 19 10:16:12.611 INFO [stderr] 119 | / const h_e: (u32, &'static [u8; 20]) = (66453909,
Dec 19 10:16:12.611 INFO [stderr] 120 | |     b"\xb2\xc4\xee\x5d\xe8\x28\x66\xdb\x38\xf7\
Dec 19 10:16:12.611 INFO [stderr] 121 | |      \x9c\x6d\x4a\x91\xa6\x26\x48\x6b\x70\xe9"
Dec 19 10:16:12.611 INFO [stderr] 122 | | );
Dec 19 10:16:12.611 INFO [stderr]     | |__^
Dec 19 10:16:12.611 INFO [stderr] 
Dec 19 10:16:12.611 INFO [stderr] warning: constant `h_f` should have an upper case name such as `H_F`
Dec 19 10:16:12.611 INFO [stderr]    --> tests/test_diff.rs:123:1
Dec 19 10:16:12.611 INFO [stderr]     |
Dec 19 10:16:12.611 INFO [stderr] 123 | / const h_f: (u32, &'static [u8; 20]) = (67109273,
Dec 19 10:16:12.611 INFO [stderr] 124 | |     b"\xd3\x3f\xef\x58\xbe\xdd\x39\xdc\x1c\x2d\
Dec 19 10:16:12.611 INFO [stderr] 125 | |      \x38\xf1\x63\x05\xb1\x00\x10\xe9\x05\x8e"
Dec 19 10:16:12.611 INFO [stderr] 126 | | );
Dec 19 10:16:12.611 INFO [stderr]     | |__^
Dec 19 10:16:12.611 INFO [stderr] 
Dec 19 10:16:12.611 INFO [stderr] warning: constant `h_z` should have an upper case name such as `H_Z`
Dec 19 10:16:12.611 INFO [stderr]    --> tests/test_diff.rs:127:1
Dec 19 10:16:12.611 INFO [stderr]     |
Dec 19 10:16:12.611 INFO [stderr] 127 | / const h_z: (u32, &'static [u8; 20]) = (17825973,
Dec 19 10:16:12.611 INFO [stderr] 128 | |     b"\xd3\x08\xe0\xb2\xd3\x6c\x5d\x24\x20\x86\
Dec 19 10:16:12.611 INFO [stderr] 129 | |      \x9c\x6b\xf1\x12\xe3\x1e\x8d\x5b\x0d\x52"
Dec 19 10:16:12.611 INFO [stderr] 130 | | );
Dec 19 10:16:12.611 INFO [stderr]     | |__^
Dec 19 10:16:12.611 INFO [stderr] 
Dec 19 10:16:12.611 INFO [stderr] warning: constant `h_y` should have an upper case name such as `H_Y`
Dec 19 10:16:12.611 INFO [stderr]    --> tests/test_diff.rs:131:1
Dec 19 10:16:12.611 INFO [stderr]     |
Dec 19 10:16:12.611 INFO [stderr] 131 | / const h_y: (u32, &'static [u8; 20]) = (17629363,
Dec 19 10:16:12.611 INFO [stderr] 132 | |     b"\xe6\x2c\xdb\x27\xa6\x1e\x20\xb0\xf3\x0f\
Dec 19 10:16:12.611 INFO [stderr] 133 | |      \x4f\xf4\x03\x47\x3f\xde\x44\x85\xa9\xba"
Dec 19 10:16:12.611 INFO [stderr] 134 | | );
Dec 19 10:16:12.611 INFO [stderr]     | |__^
Dec 19 10:16:12.611 INFO [stderr] 
Dec 19 10:16:12.676 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.59s
Dec 19 10:16:14.264 INFO running `"docker" "inspect" "142640db283295102c200c8bacb1cf136c7ad64dbb5d88928e85bc50e3fc3e56"`
Dec 19 10:16:14.642 INFO running `"docker" "rm" "-f" "142640db283295102c200c8bacb1cf136c7ad64dbb5d88928e85bc50e3fc3e56"`
Dec 19 10:16:14.952 INFO [stdout] 142640db283295102c200c8bacb1cf136c7ad64dbb5d88928e85bc50e3fc3e56