[INFO] cloning repository https://github.com/bungcip/rust-placebot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bungcip/rust-placebot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbungcip%2Frust-placebot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbungcip%2Frust-placebot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d909cd5b476cb412ea0905296bda94d8092cbbe2
[INFO] testing bungcip/rust-placebot against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbungcip%2Frust-placebot" "/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/bungcip/rust-placebot on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bungcip/rust-placebot
[INFO] finished tweaking git repo https://github.com/bungcip/rust-placebot
[INFO] tweaked toml for git repo https://github.com/bungcip/rust-placebot written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bungcip/rust-placebot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 410a629eda0531803b35d3a150678488329d2a4d9a29280deef28157a8467cf0
[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" "410a629eda0531803b35d3a150678488329d2a4d9a29280deef28157a8467cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "410a629eda0531803b35d3a150678488329d2a4d9a29280deef28157a8467cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410a629eda0531803b35d3a150678488329d2a4d9a29280deef28157a8467cf0", kill_on_drop: false }`
[INFO] [stdout] 410a629eda0531803b35d3a150678488329d2a4d9a29280deef28157a8467cf0
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 04af77f3aa9e306c27e253f600751abfb4cbabbde20c3276f8846d6b543972c7
[INFO] running `Command { std: "docker" "start" "-a" "04af77f3aa9e306c27e253f600751abfb4cbabbde20c3276f8846d6b543972c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling openssl v0.9.10
[INFO] [stderr]    Compiling serde v0.9.12
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling foreign-types v0.2.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling lazy_static v0.2.6
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling unicode-bidi v0.2.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling mime v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling libflate v0.1.4
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling rand v0.3.15
[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 syn v0.11.9
[INFO] [stderr]    Compiling bmp v0.2.0
[INFO] [stderr]    Compiling idna v0.1.0
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "04af77f3aa9e306c27e253f600751abfb4cbabbde20c3276f8846d6b543972c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04af77f3aa9e306c27e253f600751abfb4cbabbde20c3276f8846d6b543972c7", kill_on_drop: false }`
[INFO] [stdout] 04af77f3aa9e306c27e253f600751abfb4cbabbde20c3276f8846d6b543972c7