[INFO] cloning repository https://github.com/valencorrea/Sokoban
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valencorrea/Sokoban" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalencorrea%2FSokoban", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalencorrea%2FSokoban'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4028c1bfcc6c0d47ea2daa949be517197780f91
[INFO] checking valencorrea/Sokoban against try#4e55a504843955c97eb06907c71f6f3e99208021 for pr-146978
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalencorrea%2FSokoban" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/valencorrea/Sokoban
[INFO] finished tweaking git repo https://github.com/valencorrea/Sokoban
[INFO] tweaked toml for git repo https://github.com/valencorrea/Sokoban written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/valencorrea/Sokoban on toolchain 4e55a504843955c97eb06907c71f6f3e99208021
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/valencorrea/Sokoban 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" "+4e55a504843955c97eb06907c71f6f3e99208021" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b49d180fe752f9f512d008806faa798fd2f8fe97bdb665906520b719964ec5ef
[INFO] running `Command { std: "docker" "start" "-a" "b49d180fe752f9f512d008806faa798fd2f8fe97bdb665906520b719964ec5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b49d180fe752f9f512d008806faa798fd2f8fe97bdb665906520b719964ec5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49d180fe752f9f512d008806faa798fd2f8fe97bdb665906520b719964ec5ef", kill_on_drop: false }`
[INFO] [stdout] b49d180fe752f9f512d008806faa798fd2f8fe97bdb665906520b719964ec5ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4e55a504843955c97eb06907c71f6f3e99208021" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09b99b989b30baf79e4bcdcf1969702d08901bae2556b09a8500230ee65544a7
[INFO] running `Command { std: "docker" "start" "-a" "09b99b989b30baf79e4bcdcf1969702d08901bae2556b09a8500230ee65544a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]     Checking main v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/api/server.rs:94:21
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/api/server.rs:94:21
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 Err(e) => {
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Command` and `Connection` are never constructed
[INFO] [stdout]   --> src/api/sokoban.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum SokobanError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 17 |     File(String),
[INFO] [stdout] 18 |     Command(String),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     Connection(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SokobanError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Command` and `Connection` are never constructed
[INFO] [stdout]   --> src/api/sokoban.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub enum SokobanError {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 17 |     File(String),
[INFO] [stdout] 18 |     Command(String),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     Connection(String),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SokobanError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/net/tcp.rs:63:1: 63:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/net/tcp.rs" }) }
[INFO] [stderr]  WARN rustc_errors::emitter Invalid span /rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/net/tcp.rs:63:1: 63:1 (#0), error=SourceNotAvailable { filename: Real(Remapped { local_path: None, virtual_name: "/rustc/4e55a504843955c97eb06907c71f6f3e99208021/library/std/src/net/tcp.rs" }) }
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/api/server.rs:59:43
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 let mut stream_clone = tcp.clone();
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `TcpStream` does not implement `Clone`, so calling `clone` on `&TcpStream` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 59 -                 let mut stream_clone = tcp.clone();
[INFO] [stdout] 59 +                 let mut stream_clone = tcp;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/api/server.rs:59:43
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 let mut stream_clone = tcp.clone();
[INFO] [stdout]    |                                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `TcpStream` does not implement `Clone`, so calling `clone` on `&TcpStream` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 59 -                 let mut stream_clone = tcp.clone();
[INFO] [stdout] 59 +                 let mut stream_clone = tcp;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "09b99b989b30baf79e4bcdcf1969702d08901bae2556b09a8500230ee65544a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b99b989b30baf79e4bcdcf1969702d08901bae2556b09a8500230ee65544a7", kill_on_drop: false }`
[INFO] [stdout] 09b99b989b30baf79e4bcdcf1969702d08901bae2556b09a8500230ee65544a7
