[INFO] cloning repository https://github.com/sw17ch/typehash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sw17ch/typehash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsw17ch%2Ftypehash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsw17ch%2Ftypehash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e919a462362e043b3433af952c05e4d703d1e1d
[INFO] testing sw17ch/typehash against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsw17ch%2Ftypehash" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sw17ch/typehash on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sw17ch/typehash
[INFO] finished tweaking git repo https://github.com/sw17ch/typehash
[INFO] tweaked toml for git repo https://github.com/sw17ch/typehash written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/sw17ch/typehash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] c0b903d8ff781c101d0755265594d9e0bcfbcc8ba07ecf536fe87882937ab82b
[INFO] running `Command { std: "docker" "start" "-a" "c0b903d8ff781c101d0755265594d9e0bcfbcc8ba07ecf536fe87882937ab82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0b903d8ff781c101d0755265594d9e0bcfbcc8ba07ecf536fe87882937ab82b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b903d8ff781c101d0755265594d9e0bcfbcc8ba07ecf536fe87882937ab82b", kill_on_drop: false }`
[INFO] [stdout] c0b903d8ff781c101d0755265594d9e0bcfbcc8ba07ecf536fe87882937ab82b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--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] 4290bd83b812e10f8dd6e7ff8a63311c3d8c8e9519e5e1ccf968eea2234af687
[INFO] running `Command { std: "docker" "start" "-a" "4290bd83b812e10f8dd6e7ff8a63311c3d8c8e9519e5e1ccf968eea2234af687", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling typehash-macro v0.1.0 (/opt/rustwide/workdir/derive-macro)
[INFO] [stderr]    Compiling typehash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: The type referred to by field '_ref' is not supported: recursive type detected.
[INFO] [stdout]   --> src/main.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(TypeHash)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `TypeHash` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `typehash`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4290bd83b812e10f8dd6e7ff8a63311c3d8c8e9519e5e1ccf968eea2234af687", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4290bd83b812e10f8dd6e7ff8a63311c3d8c8e9519e5e1ccf968eea2234af687", kill_on_drop: false }`
[INFO] [stdout] 4290bd83b812e10f8dd6e7ff8a63311c3d8c8e9519e5e1ccf968eea2234af687
