[INFO] updating cached repository https://github.com/ruplace-controllers/ruplace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b140a25090836d216f6e1fec5ff1d3330e09cc8b
[INFO] testing ruplace-controllers/ruplace against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruplace-controllers%2Fruplace" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruplace-controllers/ruplace 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 git repo https://github.com/ruplace-controllers/ruplace
[INFO] finished tweaking git repo https://github.com/ruplace-controllers/ruplace
[INFO] tweaked toml for git repo https://github.com/ruplace-controllers/ruplace written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ruplace-controllers/ruplace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4da8fe2d56f7cfeeb30c4393b78a72e3910e4dc1a1ce1d71f3b92bb5389ebe4f
[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" "4da8fe2d56f7cfeeb30c4393b78a72e3910e4dc1a1ce1d71f3b92bb5389ebe4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4da8fe2d56f7cfeeb30c4393b78a72e3910e4dc1a1ce1d71f3b92bb5389ebe4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da8fe2d56f7cfeeb30c4393b78a72e3910e4dc1a1ce1d71f3b92bb5389ebe4f", kill_on_drop: false }`
[INFO] [stdout] 4da8fe2d56f7cfeeb30c4393b78a72e3910e4dc1a1ce1d71f3b92bb5389ebe4f
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31732ef8ea5a08b37460ade61da0858fc015410b9822cc9d2ee6faf0da93cd84
[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" "31732ef8ea5a08b37460ade61da0858fc015410b9822cc9d2ee6faf0da93cd84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling openssl v0.9.10
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling lazy_static v0.2.6
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling serde v0.9.12
[INFO] [stderr]    Compiling adler32 v1.0.0
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling mime v0.2.3
[INFO] [stderr]    Compiling libflate v0.1.4
[INFO] [stderr]    Compiling unicode-bidi v0.2.5
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stdout] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libflate-0.1.4/src/gzip.rs:444:66
[INFO] [stdout]     |
[INFO] [stdout] 444 |         try!(writer.write_u16::<LittleEndian>(self.data.len() as u16()));
[INFO] [stdout]     |                                                                  ^^^^^ only `Fn` traits may use parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling deflate v0.7.5
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0214`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libflate`.
[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" "31732ef8ea5a08b37460ade61da0858fc015410b9822cc9d2ee6faf0da93cd84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31732ef8ea5a08b37460ade61da0858fc015410b9822cc9d2ee6faf0da93cd84", kill_on_drop: false }`
[INFO] [stdout] 31732ef8ea5a08b37460ade61da0858fc015410b9822cc9d2ee6faf0da93cd84