[INFO] cloning repository https://github.com/dyxushuai/mum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dyxushuai/mum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyxushuai%2Fmum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyxushuai%2Fmum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9eb1c3fd1d1b029bd62f78f5bd51171d5126190b
[INFO] checking dyxushuai/mum against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdyxushuai%2Fmum" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dyxushuai/mum 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/dyxushuai/mum
[INFO] finished tweaking git repo https://github.com/dyxushuai/mum
[INFO] tweaked toml for git repo https://github.com/dyxushuai/mum written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/dyxushuai/mum 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]     Updating git repository `https://github.com/pingcap/raft-rs.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.4.8
[INFO] [stderr]   Downloaded procinfo v0.3.1
[INFO] [stderr]   Downloaded grpcio v0.3.0
[INFO] [stderr]   Downloaded grpcio-compiler v0.3.0
[INFO] [stderr]   Downloaded protobuf v2.0.2
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded regex-syntax v0.6.1
[INFO] [stderr]   Downloaded cmake v0.1.31
[INFO] [stderr]   Downloaded protobuf-codegen v2.0.2
[INFO] [stderr]   Downloaded protoc v2.0.2
[INFO] [stderr]   Downloaded protoc-rust v2.0.2
[INFO] [stderr]   Downloaded protoc-grpc v0.0.0
[INFO] [stderr]   Downloaded grpcio-sys v0.2.3
[INFO] [stderr]   Downloaded protobuf v1.7.3
[INFO] [stderr]   Downloaded prometheus v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 34e22db122393688218fc82065ed27c2ce2f023460189d8aa3d1f9e1fa556e4a
[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" "34e22db122393688218fc82065ed27c2ce2f023460189d8aa3d1f9e1fa556e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34e22db122393688218fc82065ed27c2ce2f023460189d8aa3d1f9e1fa556e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e22db122393688218fc82065ed27c2ce2f023460189d8aa3d1f9e1fa556e4a", kill_on_drop: false }`
[INFO] [stdout] 34e22db122393688218fc82065ed27c2ce2f023460189d8aa3d1f9e1fa556e4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c54d56e99b5a03c263997f20cd734f4e3d3cbfa3824ec26772d56e59363669a
[INFO] running `Command { std: "docker" "start" "-a" "8c54d56e99b5a03c263997f20cd734f4e3d3cbfa3824ec26772d56e59363669a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking futures v0.1.21
[INFO] [stderr]    Compiling protobuf v2.0.2
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling protobuf v1.7.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking spin v0.4.8
[INFO] [stderr]     Checking quick-error v0.2.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stdout] error: the legacy LLVM-style asm! syntax is no longer supported
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.8/src/util.rs:8:14
[INFO] [stdout]   |
[INFO] [stdout] 8 |     unsafe { asm!("pause" :::: "volatile"); }
[INFO] [stdout]   |              ----^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              help: replace with: `llvm_asm!`
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider migrating to the new asm! syntax specified in RFC 2873
[INFO] [stdout]   = note: alternatively, switch to llvm_asm! to keep your code working as it is
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8c54d56e99b5a03c263997f20cd734f4e3d3cbfa3824ec26772d56e59363669a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c54d56e99b5a03c263997f20cd734f4e3d3cbfa3824ec26772d56e59363669a", kill_on_drop: false }`
[INFO] [stdout] 8c54d56e99b5a03c263997f20cd734f4e3d3cbfa3824ec26772d56e59363669a