[INFO] fetching crate hex-noalloc 0.3.2-post1...
[INFO] testing hex-noalloc-0.3.2-post1 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate hex-noalloc 0.3.2-post1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate hex-noalloc 0.3.2-post1
[INFO] finished tweaking crates.io crate hex-noalloc 0.3.2-post1
[INFO] tweaked toml for crates.io crate hex-noalloc 0.3.2-post1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hex-noalloc 0.3.2-post1 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39dff123c313ac5a77083e634d0907227e86f1ff8a02a2dfd8987689b5382bc0
[INFO] running `Command { std: "docker" "start" "-a" "39dff123c313ac5a77083e634d0907227e86f1ff8a02a2dfd8987689b5382bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39dff123c313ac5a77083e634d0907227e86f1ff8a02a2dfd8987689b5382bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39dff123c313ac5a77083e634d0907227e86f1ff8a02a2dfd8987689b5382bc0", kill_on_drop: false }`
[INFO] [stdout] 39dff123c313ac5a77083e634d0907227e86f1ff8a02a2dfd8987689b5382bc0
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c415f74bac40f8f625b5c6a8962db76839939cf1b96a3a1b07f2a70568de6e3
[INFO] running `Command { std: "docker" "start" "-a" "6c415f74bac40f8f625b5c6a8962db76839939cf1b96a3a1b07f2a70568de6e3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling hex-noalloc v0.3.2-post1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         b'A'...b'F' => Ok(c - b'A' + 10),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |         b'a'...b'f' => Ok(c - b'a' + 10),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 213 |         b'0'...b'9' => Ok(c - b'0'),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "6c415f74bac40f8f625b5c6a8962db76839939cf1b96a3a1b07f2a70568de6e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c415f74bac40f8f625b5c6a8962db76839939cf1b96a3a1b07f2a70568de6e3", kill_on_drop: false }`
[INFO] [stdout] 6c415f74bac40f8f625b5c6a8962db76839939cf1b96a3a1b07f2a70568de6e3
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53aef6e28dc9145e86e460de73dffda3eb4ec1a97c6bcebab62c629e5c09c45c
[INFO] running `Command { std: "docker" "start" "-a" "53aef6e28dc9145e86e460de73dffda3eb4ec1a97c6bcebab62c629e5c09c45c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         b'A'...b'F' => Ok(c - b'A' + 10),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |         b'a'...b'f' => Ok(c - b'a' + 10),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 213 |         b'0'...b'9' => Ok(c - b'0'),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hex-noalloc v0.3.2-post1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |         b'A'...b'F' => Ok(c - b'A' + 10),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |         b'a'...b'f' => Ok(c - b'a' + 10),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:213:13
[INFO] [stdout]     |
[INFO] [stdout] 213 |         b'0'...b'9' => Ok(c - b'0'),
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "53aef6e28dc9145e86e460de73dffda3eb4ec1a97c6bcebab62c629e5c09c45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53aef6e28dc9145e86e460de73dffda3eb4ec1a97c6bcebab62c629e5c09c45c", kill_on_drop: false }`
[INFO] [stdout] 53aef6e28dc9145e86e460de73dffda3eb4ec1a97c6bcebab62c629e5c09c45c
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9b91756fe222c4519184767651a6d370e6c89f7f33a538a8e9f00b7e688761b
[INFO] running `Command { std: "docker" "start" "-a" "e9b91756fe222c4519184767651a6d370e6c89f7f33a538a8e9f00b7e688761b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:211:13
[INFO] [stderr]     |
[INFO] [stderr] 211 |         b'A'...b'F' => Ok(c - b'A' + 10),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:212:13
[INFO] [stderr]     |
[INFO] [stderr] 212 |         b'a'...b'f' => Ok(c - b'a' + 10),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         b'0'...b'9' => Ok(c - b'0'),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `hex-noalloc` (lib) generated 3 warnings (run `cargo fix --lib -p hex-noalloc` to apply 3 suggestions)
[INFO] [stderr] warning: `hex-noalloc` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hex_noalloc-410860c345fbe14c)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test::test_decode ... ok
[INFO] [stdout] test test::test_empty ... ok
[INFO] [stdout] test test::test_from_hex_okay_bytes ... ok
[INFO] [stdout] test test::test_from_hex_okay_str ... ok
[INFO] [stdout] test test::test_invalid_char ... ok
[INFO] [stdout] test test::test_invalid_length ... ok
[INFO] [stdout] test test::test_from_hex_whitespace ... ok
[INFO] [stdout] test test::test_encode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hex_noalloc
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:211:13
[INFO] [stderr]     |
[INFO] [stderr] 211 |         b'A'...b'F' => Ok(c - b'A' + 10),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:212:13
[INFO] [stderr]     |
[INFO] [stderr] 212 |         b'a'...b'f' => Ok(c - b'a' + 10),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |         b'0'...b'9' => Ok(c - b'0'),
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - decode_to_slice (line 338) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 20) ... FAILED
[INFO] [stdout] test src/lib.rs - encode (line 288) ... FAILED
[INFO] [stdout] test src/lib.rs - decode (line 318) ... FAILED
[INFO] [stdout] test src/lib.rs - encode_upper (line 303) ... FAILED
[INFO] [stdout] test src/lib.rs - FromHex (line 184) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - ToHex (line 49) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - decode_to_slice (line 338) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/lib.rs:340:12
[INFO] [stdout]     |
[INFO] [stdout] 340 | assert_eq!(hex::decode_to_slice("6b697769", &mut bytes as &mut [u8]), Ok(()));
[INFO] [stdout]     |            ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 20) stdout ----
[INFO] [stdout] error[E0463]: can't find crate for `hex`
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | extern crate hex;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - encode (line 288) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/lib.rs:289:12
[INFO] [stdout]     |
[INFO] [stdout] 289 | assert_eq!(hex::encode("Hello world!"), "48656c6c6f20776f726c6421");
[INFO] [stdout]     |            ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/lib.rs:290:12
[INFO] [stdout]     |
[INFO] [stdout] 290 | assert_eq!(hex::encode(vec![1, 2, 3, 15, 16]), "0102030f10");
[INFO] [stdout]     |            ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - decode (line 318) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/lib.rs:324:36
[INFO] [stdout]     |
[INFO] [stdout] 324 | assert_eq!(hex::decode("123"), Err(hex::FromHexError::OddLength));
[INFO] [stdout]     |                                    ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/lib.rs:320:5
[INFO] [stdout]     |
[INFO] [stdout] 320 |     hex::decode("48656c6c6f20776f726c6421"),
[INFO] [stdout]     |     ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/lib.rs:324:12
[INFO] [stdout]     |
[INFO] [stdout] 324 | assert_eq!(hex::decode("123"), Err(hex::FromHexError::OddLength));
[INFO] [stdout]     |            ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/lib.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 | assert!(hex::decode("foo").is_err());
[INFO] [stdout]     |         ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - encode_upper (line 303) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/lib.rs:304:12
[INFO] [stdout]     |
[INFO] [stdout] 304 | assert_eq!(hex::encode_upper("Hello world!"), "48656C6C6F20776F726C6421");
[INFO] [stdout]     |            ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    --> src/lib.rs:305:12
[INFO] [stdout]     |
[INFO] [stdout] 305 | assert_eq!(hex::encode_upper(vec![1, 2, 3, 15, 16]), "0102030F10");
[INFO] [stdout]     |            ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - FromHex (line 184) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `hex`
[INFO] [stdout]    --> src/lib.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 | use hex::FromHex;
[INFO] [stdout]     |     ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]     |
[INFO] [stdout] help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml` and import it in your code
[INFO] [stdout]     |
[INFO] [stdout] 184 + extern crate hex;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_hex` found for array `[u8; 12]` in the current scope
[INFO] [stdout]    --> src/lib.rs:187:20
[INFO] [stdout]     |
[INFO] [stdout] 187 | match &<[u8; 12]>::from_hex("48656c6c6f20776f726c6421") {
[INFO] [stdout]     |                    ^^^^^^^^ function or associated item not found in `[u8; 12]`
[INFO] [stdout]     |
[INFO] [stdout] help: there is an associated function `from` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 187 - match &<[u8; 12]>::from_hex("48656c6c6f20776f726c6421") {
[INFO] [stdout] 187 + match &<[u8; 12]>::from("48656c6c6f20776f726c6421") {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ToHex (line 49) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `hex`
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use hex::ToHex;
[INFO] [stdout]    |     ^^^ use of unresolved module or unlinked crate `hex`
[INFO] [stdout]    |
[INFO] [stdout] help: if you wanted to use a crate named `hex`, use `cargo add hex` to add it to your `Cargo.toml` and import it in your code
[INFO] [stdout]    |
[INFO] [stdout] 49 + extern crate hex;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `encode_hex` found for reference `&'static str` in the current scope
[INFO] [stdout]   --> src/lib.rs:52:31
[INFO] [stdout]    |
[INFO] [stdout] 52 | println!("{}", "Hello world!".encode_hex::<String>());
[INFO] [stdout]    |                               ^^^^^^^^^^ method not found in `&'static str`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 20)
[INFO] [stdout]     src/lib.rs - FromHex (line 184)
[INFO] [stdout]     src/lib.rs - ToHex (line 49)
[INFO] [stdout]     src/lib.rs - decode (line 318)
[INFO] [stdout]     src/lib.rs - decode_to_slice (line 338)
[INFO] [stdout]     src/lib.rs - encode (line 288)
[INFO] [stdout]     src/lib.rs - encode_upper (line 303)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9b91756fe222c4519184767651a6d370e6c89f7f33a538a8e9f00b7e688761b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b91756fe222c4519184767651a6d370e6c89f7f33a538a8e9f00b7e688761b", kill_on_drop: false }`
[INFO] [stdout] e9b91756fe222c4519184767651a6d370e6c89f7f33a538a8e9f00b7e688761b
