[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#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxliiv%2Fff" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xliiv/ff on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/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" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", 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] f111332f3b070e1a7684f461653c254e9debde319283c2865f7d9b25bee86d45
[INFO] running `Command { std: "docker" "start" "-a" "f111332f3b070e1a7684f461653c254e9debde319283c2865f7d9b25bee86d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f111332f3b070e1a7684f461653c254e9debde319283c2865f7d9b25bee86d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f111332f3b070e1a7684f461653c254e9debde319283c2865f7d9b25bee86d45", kill_on_drop: false }`
[INFO] [stdout] f111332f3b070e1a7684f461653c254e9debde319283c2865f7d9b25bee86d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c21ed3ce8511f9aa49074cee42ace99f571074fe4f421c91be5e2fd0510909a5
[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" "c21ed3ce8511f9aa49074cee42ace99f571074fe4f421c91be5e2fd0510909a5", kill_on_drop: false }`
[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 ansi_term v0.11.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking enumset v0.3.3
[INFO] [stderr]     Checking itoa v0.4.0
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking remove_dir_all v0.5.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.5.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking chan v0.1.21
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rust-ini v0.9.12
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.35
[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]    Compiling enum-map-derive v0.2.4
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking serde_json v1.0.12
[INFO] [stderr]     Checking enum-map v0.2.24
[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" "c21ed3ce8511f9aa49074cee42ace99f571074fe4f421c91be5e2fd0510909a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21ed3ce8511f9aa49074cee42ace99f571074fe4f421c91be5e2fd0510909a5", kill_on_drop: false }`
[INFO] [stdout] c21ed3ce8511f9aa49074cee42ace99f571074fe4f421c91be5e2fd0510909a5