[INFO] cloning repository https://github.com/flaviu-toader/rbe-ftp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flaviu-toader/rbe-ftp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaviu-toader%2Frbe-ftp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaviu-toader%2Frbe-ftp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b5cda83ff969699b8775c8cef6a825036d67d6f
[INFO] checking flaviu-toader/rbe-ftp against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaviu-toader%2Frbe-ftp" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flaviu-toader/rbe-ftp on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flaviu-toader/rbe-ftp
[INFO] finished tweaking git repo https://github.com/flaviu-toader/rbe-ftp
[INFO] tweaked toml for git repo https://github.com/flaviu-toader/rbe-ftp written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/flaviu-toader/rbe-ftp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adf768ae1aadeec483b2df313a776520911c60b56ea367a8b170871f657edf2f
[INFO] running `Command { std: "docker" "start" "-a" "adf768ae1aadeec483b2df313a776520911c60b56ea367a8b170871f657edf2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adf768ae1aadeec483b2df313a776520911c60b56ea367a8b170871f657edf2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf768ae1aadeec483b2df313a776520911c60b56ea367a8b170871f657edf2f", kill_on_drop: false }`
[INFO] [stdout] adf768ae1aadeec483b2df313a776520911c60b56ea367a8b170871f657edf2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 696c96d0e081ba46bd6b4c47c91b4941a3349e76dbcacac70cb101ff59ca3933
[INFO] running `Command { std: "docker" "start" "-a" "696c96d0e081ba46bd6b4c47c91b4941a3349e76dbcacac70cb101ff59ca3933", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rbe-ftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pb`
[INFO] [stdout]   --> src/main.rs:73:26
[INFO] [stdout]    |
[INFO] [stdout] 73 |             Command::Cwd(pb) => send_cmd(&mut self.stream, ResultCode::Ok, "Hahahahaha"),
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_pb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:84:38
[INFO] [stdout]    |
[INFO] [stdout] 84 |                         for entry in dir {
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 84 |                         while let Ok(entry) = dir {
[INFO] [stdout]    |                         ~~~~~~~~~~~~~     ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 84 |                         if let Ok(entry) = dir {
[INFO] [stdout]    |                         ~~~~~~~~~~     ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pb`
[INFO] [stdout]   --> src/main.rs:73:26
[INFO] [stdout]    |
[INFO] [stdout] 73 |             Command::Cwd(pb) => send_cmd(&mut self.stream, ResultCode::Ok, "Hahahahaha"),
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_pb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/main.rs:84:38
[INFO] [stdout]    |
[INFO] [stdout] 84 |                         for entry in dir {
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 84 |                         while let Ok(entry) = dir {
[INFO] [stdout]    |                         ~~~~~~~~~~~~~     ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 84 |                         if let Ok(entry) = dir {
[INFO] [stdout]    |                         ~~~~~~~~~~     ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "696c96d0e081ba46bd6b4c47c91b4941a3349e76dbcacac70cb101ff59ca3933", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "696c96d0e081ba46bd6b4c47c91b4941a3349e76dbcacac70cb101ff59ca3933", kill_on_drop: false }`
[INFO] [stdout] 696c96d0e081ba46bd6b4c47c91b4941a3349e76dbcacac70cb101ff59ca3933