[INFO] updating cached repository https://github.com/johshoff/find-tempo-rust-backend
[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] 4996c3864a9b009035ee8cae317692147cee5495
[INFO] checking johshoff/find-tempo-rust-backend against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Ffind-tempo-rust-backend" "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/johshoff/find-tempo-rust-backend on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/johshoff/find-tempo-rust-backend
[INFO] finished tweaking git repo https://github.com/johshoff/find-tempo-rust-backend
[INFO] tweaked toml for git repo https://github.com/johshoff/find-tempo-rust-backend written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/johshoff/find-tempo-rust-backend already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2161d9d10dd359b423f5b7fea8980176cd84e8941c35b20589b1c04cd475c409
[INFO] running `"docker" "start" "-a" "2161d9d10dd359b423f5b7fea8980176cd84e8941c35b20589b1c04cd475c409"`
[INFO] [stderr]    Compiling nom v2.0.1
[INFO] [stderr]    Compiling quick-error v1.1.0
[INFO] [stderr]     Checking bart v0.0.1
[INFO] [stderr]    Compiling syn v0.10.6
[INFO] [stderr] warning[E0503]: cannot use `separator` because it was mutably borrowed
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bart-0.0.1/src/display_html_safe.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |         for part in buf.split(|x| { separator = x; (x == '<') || (x == '&') || (x == '\'') || (x == '"') }) {
[INFO] [stderr]    |                     ---------------------------------------------------------------------------------------
[INFO] [stderr]    |                     |         |     |
[INFO] [stderr]    |                     |         |     borrow occurs due to use of `separator` in closure
[INFO] [stderr]    |                     |         borrow of `separator` occurs here
[INFO] [stderr]    |                     borrow later used here
[INFO] [stderr] ...
[INFO] [stderr] 22 |                 '<' => self.inner.write_str("&lt;"),
[INFO] [stderr]    |                 ^^^ use of borrowed `separator`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling bart_derive v0.0.1
[INFO] [stderr]     Checking find-tempo-rust-backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `"docker" "inspect" "2161d9d10dd359b423f5b7fea8980176cd84e8941c35b20589b1c04cd475c409"`
[INFO] running `"docker" "rm" "-f" "2161d9d10dd359b423f5b7fea8980176cd84e8941c35b20589b1c04cd475c409"`
[INFO] [stdout] 2161d9d10dd359b423f5b7fea8980176cd84e8941c35b20589b1c04cd475c409