[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 try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflaviu-toader%2Frbe-ftp" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flaviu-toader/rbe-ftp on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-3/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: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 2f62c799360e8ef8d25406092ef31a71832d37b1da8f00e3653cb0ca00b571ef
[INFO] running `Command { std: "docker" "start" "-a" "2f62c799360e8ef8d25406092ef31a71832d37b1da8f00e3653cb0ca00b571ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f62c799360e8ef8d25406092ef31a71832d37b1da8f00e3653cb0ca00b571ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f62c799360e8ef8d25406092ef31a71832d37b1da8f00e3653cb0ca00b571ef", kill_on_drop: false }`
[INFO] [stdout] 2f62c799360e8ef8d25406092ef31a71832d37b1da8f00e3653cb0ca00b571ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c3d2d43dd39ce4d1604e43637e7eba6413b41870afc6f5ba81095be7139b2de
[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" "5c3d2d43dd39ce4d1604e43637e7eba6413b41870afc6f5ba81095be7139b2de", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "5c3d2d43dd39ce4d1604e43637e7eba6413b41870afc6f5ba81095be7139b2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3d2d43dd39ce4d1604e43637e7eba6413b41870afc6f5ba81095be7139b2de", kill_on_drop: false }`
[INFO] [stdout] 5c3d2d43dd39ce4d1604e43637e7eba6413b41870afc6f5ba81095be7139b2de