[INFO] cloning repository https://github.com/Gipphe/reverse-polish
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gipphe/reverse-polish" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGipphe%2Freverse-polish", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGipphe%2Freverse-polish'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b72fa61082fb2548c275d2d19f306b9f91a62795
[INFO] checking Gipphe/reverse-polish against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGipphe%2Freverse-polish" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gipphe/reverse-polish on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gipphe/reverse-polish
[INFO] finished tweaking git repo https://github.com/Gipphe/reverse-polish
[INFO] tweaked toml for git repo https://github.com/Gipphe/reverse-polish written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Gipphe/reverse-polish already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cf5a1c5949bc2ffb34b134b7f1bad5f60298477da0c82e80f2b32ce7f88f402
[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" "8cf5a1c5949bc2ffb34b134b7f1bad5f60298477da0c82e80f2b32ce7f88f402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cf5a1c5949bc2ffb34b134b7f1bad5f60298477da0c82e80f2b32ce7f88f402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf5a1c5949bc2ffb34b134b7f1bad5f60298477da0c82e80f2b32ce7f88f402", kill_on_drop: false }`
[INFO] [stdout] 8cf5a1c5949bc2ffb34b134b7f1bad5f60298477da0c82e80f2b32ce7f88f402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 782d9aad50f9ed1246439d089a1d9511b7e481b919ba1cb5aaf538d484c5c839
[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" "782d9aad50f9ed1246439d089a1d9511b7e481b919ba1cb5aaf538d484c5c839", kill_on_drop: false }`
[INFO] [stderr]     Checking reverse-polish v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `(`, `[`, or `{`, found `<eof>`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! 
[INFO] [stdout]   |            ^ expected one of `(`, `[`, or `{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `reverse-polish`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error: expected one of `(`, `[`, or `{`, found `<eof>`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! 
[INFO] [stdout]   |            ^ expected one of `(`, `[`, or `{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "782d9aad50f9ed1246439d089a1d9511b7e481b919ba1cb5aaf538d484c5c839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "782d9aad50f9ed1246439d089a1d9511b7e481b919ba1cb5aaf538d484c5c839", kill_on_drop: false }`
[INFO] [stdout] 782d9aad50f9ed1246439d089a1d9511b7e481b919ba1cb5aaf538d484c5c839