[INFO] cloning repository https://github.com/johshoff/find-tempo-rust-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johshoff/find-tempo-rust-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Ffind-tempo-rust-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Ffind-tempo-rust-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4996c3864a9b009035ee8cae317692147cee5495
[INFO] testing johshoff/find-tempo-rust-backend against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohshoff%2Ffind-tempo-rust-backend" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johshoff/find-tempo-rust-backend on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-2/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bart_derive v0.0.1
[INFO] [stderr]   Downloaded bart v0.0.1
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ebf613c92abb92dd725ebe5a0f0742b328cce486a28f93bd158f73ba2d5f092
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ebf613c92abb92dd725ebe5a0f0742b328cce486a28f93bd158f73ba2d5f092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ebf613c92abb92dd725ebe5a0f0742b328cce486a28f93bd158f73ba2d5f092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebf613c92abb92dd725ebe5a0f0742b328cce486a28f93bd158f73ba2d5f092", kill_on_drop: false }`
[INFO] [stdout] 4ebf613c92abb92dd725ebe5a0f0742b328cce486a28f93bd158f73ba2d5f092
[INFO] running `Command { std: "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a2a26079b21ba461d1e3478e6d3606553f5e6e0d0f038709caaca5725213f782
[INFO] running `Command { std: "docker" "start" "-a" "a2a26079b21ba461d1e3478e6d3606553f5e6e0d0f038709caaca5725213f782", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling nom v2.0.1
[INFO] [stderr]    Compiling quick-error v1.1.0
[INFO] [stderr]    Compiling bart v0.0.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stdout] error[E0503]: cannot use `separator` because it was mutably borrowed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bart-0.0.1/src/display_html_safe.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for part in buf.split(|x| { separator = x; (x == '<') || (x == '&') || (x == '\'') || (x == '"') }) {
[INFO] [stdout]    |                     ---------------------------------------------------------------------------------------
[INFO] [stdout]    |                     |         |     |
[INFO] [stdout]    |                     |         |     borrow occurs due to use of `separator` in closure
[INFO] [stdout]    |                     |         borrow of `separator` occurs here
[INFO] [stdout]    |                     borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 22 |                 '<' => self.inner.write_str("&lt;"),
[INFO] [stdout]    |                 ^^^ use of borrowed `separator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bart`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a2a26079b21ba461d1e3478e6d3606553f5e6e0d0f038709caaca5725213f782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a26079b21ba461d1e3478e6d3606553f5e6e0d0f038709caaca5725213f782", kill_on_drop: false }`
[INFO] [stdout] a2a26079b21ba461d1e3478e6d3606553f5e6e0d0f038709caaca5725213f782