[INFO] updating cached repository https://github.com/lawrencek0/telnet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65e9ecdd52c9e906a233658804d91c5818ec08f5
[INFO] testing lawrencek0/telnet against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flawrencek0%2Ftelnet" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lawrencek0/telnet on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lawrencek0/telnet
[INFO] finished tweaking git repo https://github.com/lawrencek0/telnet
[INFO] tweaked toml for git repo https://github.com/lawrencek0/telnet written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lawrencek0/telnet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 409ba72811310eabf92413f8b2afd917afc1af88fdab47fbb5a5e7ee6e303c6e
[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" "409ba72811310eabf92413f8b2afd917afc1af88fdab47fbb5a5e7ee6e303c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "409ba72811310eabf92413f8b2afd917afc1af88fdab47fbb5a5e7ee6e303c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409ba72811310eabf92413f8b2afd917afc1af88fdab47fbb5a5e7ee6e303c6e", kill_on_drop: false }`
[INFO] [stdout] 409ba72811310eabf92413f8b2afd917afc1af88fdab47fbb5a5e7ee6e303c6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5e009e71da20aca5d1f73af6f2fc42cd45f5e41a1280636fd44e67c2ee5a420
[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" "e5e009e71da20aca5d1f73af6f2fc42cd45f5e41a1280636fd44e67c2ee5a420", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling signal-hook v0.1.15
[INFO] [stderr]    Compiling crossterm v0.17.5
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling num_enum_derive v0.5.0
[INFO] [stderr]    Compiling num_enum v0.5.0
[INFO] [stderr]    Compiling telnet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::terminal`
[INFO] [stdout]  --> src/telnet/client.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::terminal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^ no `terminal` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     loop {
[INFO] [stdout] 8  | |         client.process()?;
[INFO] [stdout] 9  | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 10 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/telnet/client.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 244 | /         loop {
[INFO] [stdout] 245 | |             if let Ok((n, input)) = self.input_channel.try_recv() {
[INFO] [stdout] 246 | |                 self.output.write_all(&input[..n])?;
[INFO] [stdout] 247 | |             }
[INFO] [stdout] ...   |
[INFO] [stdout] 250 | |             self.output.flush()?;
[INFO] [stdout] 251 | |         }
[INFO] [stdout]     | |_________- any code following this expression is unreachable
[INFO] [stdout] 252 | 
[INFO] [stdout] 253 |           Ok(())
[INFO] [stdout]     |           ^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `telnet`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e5e009e71da20aca5d1f73af6f2fc42cd45f5e41a1280636fd44e67c2ee5a420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e009e71da20aca5d1f73af6f2fc42cd45f5e41a1280636fd44e67c2ee5a420", kill_on_drop: false }`
[INFO] [stdout] e5e009e71da20aca5d1f73af6f2fc42cd45f5e41a1280636fd44e67c2ee5a420