[INFO] cloning repository https://github.com/Hero-Workshop-Apps/hero_workshop_core
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hero-Workshop-Apps/hero_workshop_core" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHero-Workshop-Apps%2Fhero_workshop_core", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHero-Workshop-Apps%2Fhero_workshop_core'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8d6eabf27c5136264eeabfb3349b7d1c282201b
[INFO] checking Hero-Workshop-Apps/hero_workshop_core against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHero-Workshop-Apps%2Fhero_workshop_core" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hero-Workshop-Apps/hero_workshop_core on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hero-Workshop-Apps/hero_workshop_core
[INFO] finished tweaking git repo https://github.com/Hero-Workshop-Apps/hero_workshop_core
[INFO] tweaked toml for git repo https://github.com/Hero-Workshop-Apps/hero_workshop_core written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Hero-Workshop-Apps/hero_workshop_core already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codespan-reporting v0.9.5
[INFO] [stderr]   Downloaded link-cplusplus v1.0.4
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.18.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.18.1
[INFO] [stderr]   Downloaded rlua_serde v0.4.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.24
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.24
[INFO] [stderr]   Downloaded cxx-build v1.0.24
[INFO] [stderr]   Downloaded cxx v1.0.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 399c00998eb8eb613da281a35bc7e2be968de3ade38aaac6a22f7f677fdd215b
[INFO] running `Command { std: "docker" "start" "-a" "399c00998eb8eb613da281a35bc7e2be968de3ade38aaac6a22f7f677fdd215b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "399c00998eb8eb613da281a35bc7e2be968de3ade38aaac6a22f7f677fdd215b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399c00998eb8eb613da281a35bc7e2be968de3ade38aaac6a22f7f677fdd215b", kill_on_drop: false }`
[INFO] [stdout] 399c00998eb8eb613da281a35bc7e2be968de3ade38aaac6a22f7f677fdd215b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a2806c1949edff9318b466b20a5d1b9fa547642a7ebbe51d6a4843547faa8c8
[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" "0a2806c1949edff9318b466b20a5d1b9fa547642a7ebbe51d6a4843547faa8c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling protobuf v2.18.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling scratch v1.0.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.24
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling link-cplusplus v1.0.4
[INFO] [stderr]    Compiling cxx v1.0.24
[INFO] [stderr]    Compiling rlua v0.17.0
[INFO] [stderr]    Compiling cxx-build v1.0.24
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.24
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking rlua_serde v0.4.0
[INFO] [stderr]    Compiling protobuf-codegen v2.18.1
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.18.1
[INFO] [stderr]    Compiling hero_workshop_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: custom inner attributes are unstable
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/hero_workshop_core-0d608df3e5261185/out/generated_protobuf_code/message.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: custom inner attributes are unstable
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/hero_workshop_core-0d608df3e5261185/out/generated_protobuf_code/message.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hero_workshop_core`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0a2806c1949edff9318b466b20a5d1b9fa547642a7ebbe51d6a4843547faa8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2806c1949edff9318b466b20a5d1b9fa547642a7ebbe51d6a4843547faa8c8", kill_on_drop: false }`
[INFO] [stdout] 0a2806c1949edff9318b466b20a5d1b9fa547642a7ebbe51d6a4843547faa8c8