[INFO] crate spiralizer 0.1.0 is already in cache
[INFO] checking spiralizer-0.1.0 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] extracting crate spiralizer 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate spiralizer 0.1.0 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate spiralizer 0.1.0
[INFO] finished tweaking crates.io crate spiralizer 0.1.0
[INFO] tweaked toml for crates.io crate spiralizer 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1bdb0d207b949a83f990b1c7cf5007a58a9a1b49895ecd15af333bc101daa1a0
[INFO] running `"docker" "start" "-a" "1bdb0d207b949a83f990b1c7cf5007a58a9a1b49895ecd15af333bc101daa1a0"`
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking pbr v0.3.1
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr] error[E0283]: type annotations needed for `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pbr-0.3.1/src/pb.rs:348:64
[INFO] [stderr]     |
[INFO] [stderr] 292 |         let mut base = String::new();
[INFO] [stderr]     |             -------- consider giving `base` a type
[INFO] [stderr] ...
[INFO] [stderr] 348 |                         base = base + repeat!(self.bar_current.as_ref(), curr_count - 1) +
[INFO] [stderr]     |                                                                ^^^^^^ cannot infer type for struct `std::string::String`
[INFO] [stderr]     |
[INFO] [stderr]     = note: cannot resolve `std::string::String: std::convert::AsRef<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `pbr`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "1bdb0d207b949a83f990b1c7cf5007a58a9a1b49895ecd15af333bc101daa1a0"`
[INFO] running `"docker" "rm" "-f" "1bdb0d207b949a83f990b1c7cf5007a58a9a1b49895ecd15af333bc101daa1a0"`
[INFO] [stdout] 1bdb0d207b949a83f990b1c7cf5007a58a9a1b49895ecd15af333bc101daa1a0