[INFO] fetching crate rotor-carbon 0.7.0...
[INFO] testing rotor-carbon-0.7.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate rotor-carbon 0.7.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rotor-carbon 0.7.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rotor-carbon 0.7.0
[INFO] finished tweaking crates.io crate rotor-carbon 0.7.0
[INFO] tweaked toml for crates.io crate rotor-carbon 0.7.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59b95c39fa9ccc111a59a2d40b3001893414f6d8dfff9307707232d0d288678b
[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" "59b95c39fa9ccc111a59a2d40b3001893414f6d8dfff9307707232d0d288678b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59b95c39fa9ccc111a59a2d40b3001893414f6d8dfff9307707232d0d288678b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b95c39fa9ccc111a59a2d40b3001893414f6d8dfff9307707232d0d288678b", kill_on_drop: false }`
[INFO] [stdout] 59b95c39fa9ccc111a59a2d40b3001893414f6d8dfff9307707232d0d288678b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 71590aaaaf118f432da753b114178b8eb4ff143c94ac1e81b94fa016a3e7b7ba
[INFO] running `Command { std: "docker" "start" "-a" "71590aaaaf118f432da753b114178b8eb4ff143c94ac1e81b94fa016a3e7b7ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling quick-error v0.2.2
[INFO] [stderr]    Compiling netbuf v0.3.8
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling rotor v0.6.3
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rotor-tools v0.3.2
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling rotor-stream v0.6.2
[INFO] [stdout] error[E0423]: expected function, tuple struct or tuple variant, found struct `Persistent`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rotor-stream-0.6.2/src/persistent.rs:242:13
[INFO] [stdout]     |
[INFO] [stdout] 242 |             Persistent(self.0.clone(), self.1.clone(), Fsm::Idle)
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rotor-stream`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "71590aaaaf118f432da753b114178b8eb4ff143c94ac1e81b94fa016a3e7b7ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71590aaaaf118f432da753b114178b8eb4ff143c94ac1e81b94fa016a3e7b7ba", kill_on_drop: false }`
[INFO] [stdout] 71590aaaaf118f432da753b114178b8eb4ff143c94ac1e81b94fa016a3e7b7ba