[INFO] fetching crate lep 0.4.3...
[INFO] checking lep-0.4.3 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate lep 0.4.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lep 0.4.3 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lep 0.4.3
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate lep 0.4.3
[INFO] tweaked toml for crates.io crate lep 0.4.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] ef61661479c978de9b9e1855f04772788c87a00242d209727eea8c163c8a664f
[INFO] running `"docker" "start" "-a" "ef61661479c978de9b9e1855f04772788c87a00242d209727eea8c163c8a664f"`
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking lep v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eval.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |     Fun(&'f Fun),
[INFO] [stderr]    |             ^^^ help: use `dyn`: `dyn Fun`
[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/eval.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 |     FunMut(&'f mut FunMut),
[INFO] [stderr]    |                    ^^^^^^ help: use `dyn`: `dyn FunMut`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eval.rs:85:63
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn register_fun(&mut self, name: &'static str, f: &'f Fun) {
[INFO] [stderr]    |                                                               ^^^ help: use `dyn`: `dyn Fun`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eval.rs:95:71
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn register_fun_mut(&mut self, name: &'static str, f: &'f mut FunMut) {
[INFO] [stderr]    |                                                                       ^^^^^^ help: use `dyn`: `dyn FunMut`
[INFO] [stderr] 
[INFO] [stderr]     Checking rustyline v3.0.0
[INFO] [stderr] error[E0283]: type annotations needed: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-3.0.0/src/lib.rs:655:43
[INFO] [stderr]     |
[INFO] [stderr] 655 |             editor.add_history_entry(line.as_ref());
[INFO] [stderr]     |                                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustyline-3.0.0/src/history.rs:151:28
[INFO] [stderr]     |
[INFO] [stderr] 151 |             self.add(line?.as_ref()); // TODO truncate to MAX_LINE
[INFO] [stderr]     |                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `rustyline`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ef61661479c978de9b9e1855f04772788c87a00242d209727eea8c163c8a664f"`
[INFO] running `"docker" "rm" "-f" "ef61661479c978de9b9e1855f04772788c87a00242d209727eea8c163c8a664f"`
[INFO] [stdout] ef61661479c978de9b9e1855f04772788c87a00242d209727eea8c163c8a664f