[INFO] cloning repository https://github.com/woa-staging/poa-ballot-stats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woa-staging/poa-ballot-stats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoa-staging%2Fpoa-ballot-stats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoa-staging%2Fpoa-ballot-stats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f56fc28317b798548a9c39d279214cb5032d628c
[INFO] testing woa-staging/poa-ballot-stats against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoa-staging%2Fpoa-ballot-stats" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woa-staging/poa-ballot-stats on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/woa-staging/poa-ballot-stats
[INFO] finished tweaking git repo https://github.com/woa-staging/poa-ballot-stats
[INFO] tweaked toml for git repo https://github.com/woa-staging/poa-ballot-stats written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/woa-staging/poa-ballot-stats already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.30
[INFO] [stderr]   Downloaded mime v0.3.7
[INFO] [stderr]   Downloaded syn v0.13.7
[INFO] [stderr]   Downloaded hyper v0.11.26
[INFO] [stderr]   Downloaded unicode-normalization v0.1.6
[INFO] [stderr]   Downloaded serde_derive v1.0.47
[INFO] [stderr]   Downloaded serde v1.0.47
[INFO] running `Command { std: "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" "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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 738b78d4f536d617899de4be8c90b45bfc5eca998094708e90b4172b18e70f45
[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" "738b78d4f536d617899de4be8c90b45bfc5eca998094708e90b4172b18e70f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "738b78d4f536d617899de4be8c90b45bfc5eca998094708e90b4172b18e70f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "738b78d4f536d617899de4be8c90b45bfc5eca998094708e90b4172b18e70f45", kill_on_drop: false }`
[INFO] [stdout] 738b78d4f536d617899de4be8c90b45bfc5eca998094708e90b4172b18e70f45
[INFO] running `Command { std: "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" "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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ff747e22bc18a4c9ad75ab54e512f1030020d3ab7bae5d95cd95d04a45d1a08
[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" "9ff747e22bc18a4c9ad75ab54e512f1030020d3ab7bae5d95cd95d04a45d1a08", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling serde v1.0.47
[INFO] [stderr]    Compiling unicode-normalization v0.1.6
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling openssl-sys v0.9.30
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling tokio-timer v0.2.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling uint v0.2.0
[INFO] [stderr]    Compiling fixed-hash v0.2.1
[INFO] [stderr]    Compiling ethereum-types v0.3.1
[INFO] [stderr]    Compiling tiny-keccak v1.4.1
[INFO] [stdout] error[E0428]: the name `impl_heapsize_for_hash` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/fixed-hash-0.2.1/src/hash.rs:431:1
[INFO] [stdout]     |
[INFO] [stdout] 325 | macro_rules! impl_heapsize_for_hash {
[INFO] [stdout]     | ----------------------------------- previous definition of the macro `impl_heapsize_for_hash` here
[INFO] [stdout] ...
[INFO] [stdout] 431 | macro_rules! impl_heapsize_for_hash {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `impl_heapsize_for_hash` redefined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `impl_heapsize_for_hash` must be defined only once in the macro namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fixed-hash`
[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" "9ff747e22bc18a4c9ad75ab54e512f1030020d3ab7bae5d95cd95d04a45d1a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff747e22bc18a4c9ad75ab54e512f1030020d3ab7bae5d95cd95d04a45d1a08", kill_on_drop: false }`
[INFO] [stdout] 9ff747e22bc18a4c9ad75ab54e512f1030020d3ab7bae5d95cd95d04a45d1a08