[INFO] crate rotor-carbon 0.7.0 is already in cache
[INFO] testing rotor-carbon-0.7.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate rotor-carbon 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rotor-carbon 0.7.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58fe2a52b521722e9a13cabbfe86b43e2753b8cc333a67fa8680fd1ce4fc4a81
[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" "58fe2a52b521722e9a13cabbfe86b43e2753b8cc333a67fa8680fd1ce4fc4a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58fe2a52b521722e9a13cabbfe86b43e2753b8cc333a67fa8680fd1ce4fc4a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fe2a52b521722e9a13cabbfe86b43e2753b8cc333a67fa8680fd1ce4fc4a81", kill_on_drop: false }`
[INFO] [stdout] 58fe2a52b521722e9a13cabbfe86b43e2753b8cc333a67fa8680fd1ce4fc4a81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da52d6302f493212489d1ecca5be38e9f1de42c4652f1bcf7ea813d0eee027a6
[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" "da52d6302f493212489d1ecca5be38e9f1de42c4652f1bcf7ea813d0eee027a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.11
[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 quick-error v0.2.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling netbuf v0.3.8
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling nix v0.5.1
[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-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling rotor v0.6.3
[INFO] [stderr]    Compiling rotor-tools v0.3.2
[INFO] [stderr]    Compiling num-rational 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] [stderr]    Compiling num v0.1.42
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "da52d6302f493212489d1ecca5be38e9f1de42c4652f1bcf7ea813d0eee027a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da52d6302f493212489d1ecca5be38e9f1de42c4652f1bcf7ea813d0eee027a6", kill_on_drop: false }`
[INFO] [stdout] da52d6302f493212489d1ecca5be38e9f1de42c4652f1bcf7ea813d0eee027a6