[INFO] cloning repository https://github.com/bergey/elby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bergey/elby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbergey%2Felby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbergey%2Felby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13ccdb57cc064c81d008821d90aba1cadb1ffc3f
[INFO] testing bergey/elby against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbergey%2Felby" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bergey/elby
[INFO] finished tweaking git repo https://github.com/bergey/elby
[INFO] tweaked toml for git repo https://github.com/bergey/elby written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bergey/elby on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bergey/elby already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dd4999d1f20ae9d974ec25ea79eee4b348c8ac6c53c8847e86c91054af31a23
[INFO] running `Command { std: "docker" "start" "-a" "1dd4999d1f20ae9d974ec25ea79eee4b348c8ac6c53c8847e86c91054af31a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dd4999d1f20ae9d974ec25ea79eee4b348c8ac6c53c8847e86c91054af31a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd4999d1f20ae9d974ec25ea79eee4b348c8ac6c53c8847e86c91054af31a23", kill_on_drop: false }`
[INFO] [stdout] 1dd4999d1f20ae9d974ec25ea79eee4b348c8ac6c53c8847e86c91054af31a23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97ef41f0b5cc09a5a0ce95da1e743628d479bb47edbd522b59faf833d3263ad6
[INFO] running `Command { std: "docker" "start" "-a" "97ef41f0b5cc09a5a0ce95da1e743628d479bb47edbd522b59faf833d3263ad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling http-body v1.0.0
[INFO] [stderr]    Compiling http-body-util v0.1.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling h2 v0.4.3
[INFO] [stderr]    Compiling hyper v1.2.0
[INFO] [stderr]    Compiling hyper-util v0.1.3
[INFO] [stderr]    Compiling elby v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found keyword `async`
[INFO] [stdout]   --> src/main.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | async fn proxy(_: Request<hyper::body::Incoming>) -> anyhow::Result<Response<Full<Bytes>>> {
[INFO] [stdout]    | ^^^^^ expected identifier, found keyword
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing parameters for function definition
[INFO] [stdout]   --> src/main.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | async fn proxy(_: Request<hyper::body::Incoming>) -> anyhow::Result<Response<Full<Bytes>>> {
[INFO] [stdout]    |      ^
[INFO] [stdout]    |
[INFO] [stdout] help: add a parameter list
[INFO] [stdout]    |
[INFO] [stdout] 17 | async() fn proxy(_: Request<hyper::body::Incoming>) -> anyhow::Result<Response<Full<Bytes>>> {
[INFO] [stdout]    |      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `->`, `<`, `where`, or `{`, found keyword `fn`
[INFO] [stdout]   --> src/main.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | async fn proxy(_: Request<hyper::body::Incoming>) -> anyhow::Result<Response<Full<Bytes>>> {
[INFO] [stdout]    |       ^^ expected one of `->`, `<`, `where`, or `{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elby` (bin "elby") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "97ef41f0b5cc09a5a0ce95da1e743628d479bb47edbd522b59faf833d3263ad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ef41f0b5cc09a5a0ce95da1e743628d479bb47edbd522b59faf833d3263ad6", kill_on_drop: false }`
[INFO] [stdout] 97ef41f0b5cc09a5a0ce95da1e743628d479bb47edbd522b59faf833d3263ad6