[INFO] updating cached repository https://github.com/az82/rust-levenshtein
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e5ca8d3e1259fa5006b97f213e17007e638cf49e
[INFO] checking az82/rust-levenshtein against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Faz82%2Frust-levenshtein" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/az82/rust-levenshtein on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/az82/rust-levenshtein
[INFO] finished tweaking git repo https://github.com/az82/rust-levenshtein
[INFO] tweaked toml for git repo https://github.com/az82/rust-levenshtein written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/az82/rust-levenshtein already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5af57d32b0f06520c3dfd3cde880fdfad41633cc2b466f035109611fbab20c1b
[INFO] running `"docker" "start" "-a" "5af57d32b0f06520c3dfd3cde880fdfad41633cc2b466f035109611fbab20c1b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking levenshtein v1.0.3
[INFO] [stderr]     Checking rust-levensthein v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lfilter.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 |     words: &'a mut Iterator<Item = io::Result<String>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = io::Result<String>>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lfilter.rs:27:20
[INFO] [stderr]    |
[INFO] [stderr] 27 |     words: &'a mut Iterator<Item = io::Result<String>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = io::Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/pfilter.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn to_vec(words: &mut Iterator<Item = io::Result<String>>) -> Vec<String> {
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = io::Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/pfilter.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |     words: &mut Iterator<Item = io::Result<String>>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = io::Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lfilter.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 |     words: &'a mut Iterator<Item = io::Result<String>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = io::Result<String>>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lfilter.rs:27:20
[INFO] [stderr]    |
[INFO] [stderr] 27 |     words: &'a mut Iterator<Item = io::Result<String>>,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = io::Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/pfilter.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn to_vec(words: &mut Iterator<Item = io::Result<String>>) -> Vec<String> {
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = io::Result<String>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/pfilter.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |     words: &mut Iterator<Item = io::Result<String>>,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = io::Result<String>>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `"docker" "inspect" "5af57d32b0f06520c3dfd3cde880fdfad41633cc2b466f035109611fbab20c1b"`
[INFO] running `"docker" "rm" "-f" "5af57d32b0f06520c3dfd3cde880fdfad41633cc2b466f035109611fbab20c1b"`
[INFO] [stdout] 5af57d32b0f06520c3dfd3cde880fdfad41633cc2b466f035109611fbab20c1b