[INFO] fetching crate rustc-hex 2.0.1...
[INFO] checking rustc-hex-2.0.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate rustc-hex 2.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rustc-hex 2.0.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustc-hex 2.0.1
[INFO] finished tweaking crates.io crate rustc-hex 2.0.1
[INFO] tweaked toml for crates.io crate rustc-hex 2.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b137900f57376a18b2ca241293291491551781444779b652eadf2a5165c15d5a
[INFO] running `"docker" "start" "-a" "b137900f57376a18b2ca241293291491551781444779b652eadf2a5165c15d5a"`
[INFO] [stderr]     Checking rustc-hex v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:199:29
[INFO] [stderr]     |
[INFO] [stderr] 199 |                         b'A'...b'F' => buf |= byte - b'A' + 10,
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:200:29
[INFO] [stderr]     |
[INFO] [stderr] 200 |                         b'a'...b'f' => buf |= byte - b'a' + 10,
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:201:29
[INFO] [stderr]     |
[INFO] [stderr] 201 |                         b'0'...b'9' => buf |= byte - b'0',
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:199:29
[INFO] [stderr]     |
[INFO] [stderr] 199 |                         b'A'...b'F' => buf |= byte - b'A' + 10,
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:200:29
[INFO] [stderr]     |
[INFO] [stderr] 200 |                         b'a'...b'f' => buf |= byte - b'a' + 10,
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:201:29
[INFO] [stderr]     |
[INFO] [stderr] 201 |                         b'0'...b'9' => buf |= byte - b'0',
[INFO] [stderr]     |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed: cannot resolve `_: std::iter::FromIterator<char>`
[INFO] [stderr]   --> benches/hex.rs:14:22
[INFO] [stderr]    |
[INFO] [stderr] 14 |         s.as_bytes().to_hex();
[INFO] [stderr]    |                      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0282]: type annotations needed
[INFO] [stderr]   --> benches/hex.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let sb = s.as_bytes().to_hex();
[INFO] [stderr]    |         -- consider giving `sb` a type
[INFO] [stderr] 24 |     b.iter(|| {
[INFO] [stderr] 25 |         sb.from_hex().unwrap();
[INFO] [stderr]    |         ^^ cannot infer type
[INFO] [stderr]    |
[INFO] [stderr]    = note: type must be known at this point
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FromHex`
[INFO] [stderr]  --> benches/hex.rs:7:11
[INFO] [stderr]   |
[INFO] [stderr] 7 | use hex::{FromHex, ToHex};
[INFO] [stderr]   |           ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0282, E0283.
[INFO] [stderr] For more information about an error, try `rustc --explain E0282`.
[INFO] [stderr] error: could not compile `rustc-hex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b137900f57376a18b2ca241293291491551781444779b652eadf2a5165c15d5a"`
[INFO] running `"docker" "rm" "-f" "b137900f57376a18b2ca241293291491551781444779b652eadf2a5165c15d5a"`
[INFO] [stdout] b137900f57376a18b2ca241293291491551781444779b652eadf2a5165c15d5a