[INFO] cloning repository https://github.com/xliiv/ff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xliiv/ff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxliiv%2Fff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxliiv%2Fff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bea79d31c89e542f227b245f11334badc935144
[INFO] checking xliiv/ff against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxliiv%2Fff" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xliiv/ff on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xliiv/ff
[INFO] finished tweaking git repo https://github.com/xliiv/ff
[INFO] tweaked toml for git repo https://github.com/xliiv/ff written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/xliiv/ff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbbf0672c0eb33f43ca3f2428b86f81af0618f5f8f98a12e8e2c91ad4b840d08
[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" "fbbf0672c0eb33f43ca3f2428b86f81af0618f5f8f98a12e8e2c91ad4b840d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbbf0672c0eb33f43ca3f2428b86f81af0618f5f8f98a12e8e2c91ad4b840d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbf0672c0eb33f43ca3f2428b86f81af0618f5f8f98a12e8e2c91ad4b840d08", kill_on_drop: false }`
[INFO] [stdout] fbbf0672c0eb33f43ca3f2428b86f81af0618f5f8f98a12e8e2c91ad4b840d08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f28a892e0226c118f0168404763fc28dd310a84bb1c23f336cb783b80e2a136
[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" "7f28a892e0226c118f0168404763fc28dd310a84bb1c23f336cb783b80e2a136", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking serde v1.0.33
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking array-macro v1.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking enumset v0.3.3
[INFO] [stderr]     Checking itoa v0.4.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking remove_dir_all v0.5.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling enum-map-derive v0.2.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking rust-ini v0.9.12
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking enum-map v0.2.24
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking chan v0.1.21
[INFO] [stderr]     Checking chan-signal v0.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.12
[INFO] [stderr]     Checking cursive v0.8.1
[INFO] [stderr]     Checking fui v0.8.0
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/fui-0.8.0/src/lib.rs:232:34
[INFO] [stdout]     |
[INFO] [stdout] 232 |         clap::App::new(self.name.as_ref())
[INFO] [stdout]     |                        ----------^^^^^^--
[INFO] [stdout]     |                        |         |
[INFO] [stdout]     |                        |         cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stdout]     |                        this method call resolves to `&T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `str: AsRef<_>`
[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 E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fui`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7f28a892e0226c118f0168404763fc28dd310a84bb1c23f336cb783b80e2a136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f28a892e0226c118f0168404763fc28dd310a84bb1c23f336cb783b80e2a136", kill_on_drop: false }`
[INFO] [stdout] 7f28a892e0226c118f0168404763fc28dd310a84bb1c23f336cb783b80e2a136