[INFO] crate keeshond 0.8.0 is already in cache
[INFO] checking keeshond-0.8.0 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate keeshond 0.8.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate keeshond 0.8.0 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate keeshond 0.8.0
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate keeshond 0.8.0
[INFO] tweaked toml for crates.io crate keeshond 0.8.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate keeshond 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] 88305d21a2f8be12b5afbad02f198739b391f62a014c129b9ec761a5ce5246ac
[INFO] running `"docker" "start" "-a" "88305d21a2f8be12b5afbad02f198739b391f62a014c129b9ec761a5ce5246ac"`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking sample v0.9.1
[INFO] [stderr]     Checking try_or v0.2.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]     Checking ogg v0.5.1
[INFO] [stderr]     Checking generic-array v0.3.2
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking hashers v1.0.1
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking bit-array v0.4.4
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking lewton v0.7.0
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]    Compiling al-sys v0.6.1
[INFO] [stderr]     Checking bitarray-set v0.4.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking png v0.13.2
[INFO] [stderr]    Compiling glium v0.25.1
[INFO] [stderr]     Checking audrey v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]    Compiling rental-impl v0.5.5
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking keeshond_datapack v0.5.0
[INFO] [stderr] error[E0277]: cannot add-assign `&std::borrow::Cow<'_, str>` to `std::string::String`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/keeshond_datapack-0.5.0/src/source.rs:177:26
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 pathname += &part.to_string_lossy();
[INFO] [stderr]     |                          ^^ no implementation for `std::string::String += &std::borrow::Cow<'_, str>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::ops::AddAssign<&std::borrow::Cow<'_, str>>` is not implemented for `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `keeshond_datapack`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "88305d21a2f8be12b5afbad02f198739b391f62a014c129b9ec761a5ce5246ac"`
[INFO] running `"docker" "rm" "-f" "88305d21a2f8be12b5afbad02f198739b391f62a014c129b9ec761a5ce5246ac"`
[INFO] [stdout] 88305d21a2f8be12b5afbad02f198739b391f62a014c129b9ec761a5ce5246ac