[INFO] fetching crate rara 0.1.1...
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] crate rara 0.1.1 is already in cache
[INFO] checking rara-0.1.1 against try#ff47dd48ed0d02534055e0033cf766ce528f8ebc for pr-99447
[INFO] extracting crate rara 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rara 0.1.1 on toolchain ff47dd48ed0d02534055e0033cf766ce528f8ebc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rara 0.1.1
[INFO] finished tweaking crates.io crate rara 0.1.1
[INFO] tweaked toml for crates.io crate rara 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate rara 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a577778db6e9b793a2fbd5ae7cdc67cbf1c8a009c0619437bf3797c96f66799
[INFO] running `Command { std: "docker" "start" "-a" "8a577778db6e9b793a2fbd5ae7cdc67cbf1c8a009c0619437bf3797c96f66799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a577778db6e9b793a2fbd5ae7cdc67cbf1c8a009c0619437bf3797c96f66799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a577778db6e9b793a2fbd5ae7cdc67cbf1c8a009c0619437bf3797c96f66799", kill_on_drop: false }`
[INFO] [stdout] 8a577778db6e9b793a2fbd5ae7cdc67cbf1c8a009c0619437bf3797c96f66799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd52c191de0e3a2f509473cad707caffe7fcbb40c8a8d9def99eecf33733101a
[INFO] running `Command { std: "docker" "start" "-a" "bd52c191de0e3a2f509473cad707caffe7fcbb40c8a8d9def99eecf33733101a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking combu v1.1.11
[INFO] [stdout] error: unexpected token: crate
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/combu-1.1.11/src/pub_macros.rs:1166:58
[INFO] [stdout]      |
[INFO] [stdout] 1166 |     [$(>)?|$c:ident$(:Context)?,$cmd:ident$(:Command)?|$(->$crate::action_result!())?$(->$r:ty)?{$($c2:tt)*}$($t:tt)*])=>{
[INFO] [stdout]      |                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: `$$`, `$crate`, and meta-variable expressions are not allowed inside macro parameter definitions
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/combu-1.1.11/src/pub_macros.rs:1166:58
[INFO] [stdout]      |
[INFO] [stdout] 1166 |     [$(>)?|$c:ident$(:Context)?,$cmd:ident$(:Command)?|$(->$crate::action_result!())?$(->$r:ty)?{$($c2:tt)*}$($t:tt)*])=>{
[INFO] [stdout]      |                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `combu` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bd52c191de0e3a2f509473cad707caffe7fcbb40c8a8d9def99eecf33733101a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd52c191de0e3a2f509473cad707caffe7fcbb40c8a8d9def99eecf33733101a", kill_on_drop: false }`
[INFO] [stdout] bd52c191de0e3a2f509473cad707caffe7fcbb40c8a8d9def99eecf33733101a