[INFO] cloning repository https://github.com/UE2020/railroute
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UE2020/railroute" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Frailroute", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Frailroute'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d641d9e6f8bdae1655c0596ae2b5fabcab78c7ed
[INFO] testing UE2020/railroute against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Frailroute" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/UE2020/railroute
[INFO] finished tweaking git repo https://github.com/UE2020/railroute
[INFO] tweaked toml for git repo https://github.com/UE2020/railroute written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/UE2020/railroute on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/UE2020/railroute 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" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-sink v0.3.12
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded parking_lot_core v0.8.2
[INFO] [stderr]   Downloaded tokio-util v0.6.2
[INFO] [stderr]   Downloaded simplelog v0.9.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.2
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded tokio v1.1.1
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded libc v0.2.84
[INFO] [stderr]   Downloaded tokio-macros v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac75e6acd99e380e95abb2481f38e0c06a6ad1136a8752f4d7c7d4b20851d950
[INFO] running `Command { std: "docker" "start" "-a" "ac75e6acd99e380e95abb2481f38e0c06a6ad1136a8752f4d7c7d4b20851d950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac75e6acd99e380e95abb2481f38e0c06a6ad1136a8752f4d7c7d4b20851d950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac75e6acd99e380e95abb2481f38e0c06a6ad1136a8752f4d7c7d4b20851d950", kill_on_drop: false }`
[INFO] [stdout] ac75e6acd99e380e95abb2481f38e0c06a6ad1136a8752f4d7c7d4b20851d950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 002296d622e197b36f455ad028641c8ed7f8b4dfb89faf7c050e216a9e133a0d
[INFO] running `Command { std: "docker" "start" "-a" "002296d622e197b36f455ad028641c8ed7f8b4dfb89faf7c050e216a9e133a0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.1.1
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling simplelog v0.9.0
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling tokio-stream v0.1.2
[INFO] [stderr]    Compiling tokio-util v0.6.2
[INFO] [stderr]    Compiling railroute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | /     loop {
[INFO] [stdout] 157 | |         // --------------------------------------------------------------------
[INFO] [stdout] 158 | |         // accept the connection
[INFO] [stdout] 159 | |         let (mut client_stream, _) = match listener.accept().await {
[INFO] [stdout] ...   |
[INFO] [stdout] 189 | |         });
[INFO] [stdout] 190 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 194 |       drop(listener);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 client_stream.shutdown().await;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 let _ = client_stream.shutdown().await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             client_stream.shutdown().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let _ = client_stream.shutdown().await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         client_stream.write_all(mess).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = client_stream.write_all(mess).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 server_stream.shutdown().await;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let _ = server_stream.shutdown().await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             server_stream.shutdown().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let _ = server_stream.shutdown().await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         server_stream.write_all(mess).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let _ = server_stream.write_all(mess).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `matches` should have an upper case name
[INFO] [stdout]   --> src/main.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |         static ref matches: clap::ArgMatches<'static> = {
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 76 -         static ref matches: clap::ArgMatches<'static> = {
[INFO] [stdout] 76 +         static ref MATCHES: clap::ArgMatches<'static> = {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `address` should have an upper case name
[INFO] [stdout]    --> src/main.rs:109:20
[INFO] [stdout]     |
[INFO] [stdout] 109 |         static ref address: &'static str = matches.value_of("address").unwrap();
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 109 -         static ref address: &'static str = matches.value_of("address").unwrap();
[INFO] [stdout] 109 +         static ref ADDRESS: &'static str = matches.value_of("address").unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.64s
[INFO] running `Command { std: "docker" "inspect" "002296d622e197b36f455ad028641c8ed7f8b4dfb89faf7c050e216a9e133a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "002296d622e197b36f455ad028641c8ed7f8b4dfb89faf7c050e216a9e133a0d", kill_on_drop: false }`
[INFO] [stdout] 002296d622e197b36f455ad028641c8ed7f8b4dfb89faf7c050e216a9e133a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22d12f8236252a4339ddeaf56eb99b6f882328eb88cf81475058455e19f1901c
[INFO] running `Command { std: "docker" "start" "-a" "22d12f8236252a4339ddeaf56eb99b6f882328eb88cf81475058455e19f1901c", kill_on_drop: false }`
[INFO] [stderr]    Compiling railroute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 156 | /     loop {
[INFO] [stdout] 157 | |         // --------------------------------------------------------------------
[INFO] [stdout] 158 | |         // accept the connection
[INFO] [stdout] 159 | |         let (mut client_stream, _) = match listener.accept().await {
[INFO] [stdout] ...   |
[INFO] [stdout] 189 | |         });
[INFO] [stdout] 190 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 194 |       drop(listener);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 client_stream.shutdown().await;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 let _ = client_stream.shutdown().await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             client_stream.shutdown().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let _ = client_stream.shutdown().await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         client_stream.write_all(mess).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let _ = client_stream.write_all(mess).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 server_stream.shutdown().await;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let _ = server_stream.shutdown().await;
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             server_stream.shutdown().await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let _ = server_stream.shutdown().await;
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         server_stream.write_all(mess).await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let _ = server_stream.write_all(mess).await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `matches` should have an upper case name
[INFO] [stdout]   --> src/main.rs:76:20
[INFO] [stdout]    |
[INFO] [stdout] 76 |         static ref matches: clap::ArgMatches<'static> = {
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 76 -         static ref matches: clap::ArgMatches<'static> = {
[INFO] [stdout] 76 +         static ref MATCHES: clap::ArgMatches<'static> = {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `address` should have an upper case name
[INFO] [stdout]    --> src/main.rs:109:20
[INFO] [stdout]     |
[INFO] [stdout] 109 |         static ref address: &'static str = matches.value_of("address").unwrap();
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 109 -         static ref address: &'static str = matches.value_of("address").unwrap();
[INFO] [stdout] 109 +         static ref ADDRESS: &'static str = matches.value_of("address").unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "22d12f8236252a4339ddeaf56eb99b6f882328eb88cf81475058455e19f1901c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22d12f8236252a4339ddeaf56eb99b6f882328eb88cf81475058455e19f1901c", kill_on_drop: false }`
[INFO] [stdout] 22d12f8236252a4339ddeaf56eb99b6f882328eb88cf81475058455e19f1901c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9acb9d49168de3e3c2635fa72dafb6c8581ad6633725e30e5483435a22703d4
[INFO] running `Command { std: "docker" "start" "-a" "f9acb9d49168de3e3c2635fa72dafb6c8581ad6633725e30e5483435a22703d4", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/main.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 156 | /     loop {
[INFO] [stderr] 157 | |         // --------------------------------------------------------------------
[INFO] [stderr] 158 | |         // accept the connection
[INFO] [stderr] 159 | |         let (mut client_stream, _) = match listener.accept().await {
[INFO] [stderr] ...   |
[INFO] [stderr] 189 | |         });
[INFO] [stderr] 190 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 194 |       drop(listener);
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 client_stream.shutdown().await;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 let _ = client_stream.shutdown().await;
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             client_stream.shutdown().await;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 35 |             let _ = client_stream.shutdown().await;
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         client_stream.write_all(mess).await;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let _ = client_stream.write_all(mess).await;
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 server_stream.shutdown().await;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 let _ = server_stream.shutdown().await;
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             server_stream.shutdown().await;
[INFO] [stdout] 
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr] 62 |             let _ = server_stream.shutdown().await;
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         server_stream.write_all(mess).await;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let _ = server_stream.write_all(mess).await;
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `matches` should have an upper case name
[INFO] [stderr]   --> src/main.rs:76:20
[INFO] [stderr]    |
[INFO] [stderr] 76 |         static ref matches: clap::ArgMatches<'static> = {
[INFO] [stderr]    |                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]    |
[INFO] [stderr] 76 -         static ref matches: clap::ArgMatches<'static> = {
[INFO] [stderr] 76 +         static ref MATCHES: clap::ArgMatches<'static> = {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `address` should have an upper case name
[INFO] [stderr]    --> src/main.rs:109:20
[INFO] [stderr]     |
[INFO] [stderr] 109 |         static ref address: &'static str = matches.value_of("address").unwrap();
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]     |
[INFO] [stderr] 109 -         static ref address: &'static str = matches.value_of("address").unwrap();
[INFO] [stderr] 109 +         static ref ADDRESS: &'static str = matches.value_of("address").unwrap();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `railroute` (bin "railroute" test) generated 9 warnings (run `cargo fix --bin "railroute" -p railroute --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/railroute-9bbece5ed4f66cd8)
[INFO] running `Command { std: "docker" "inspect" "f9acb9d49168de3e3c2635fa72dafb6c8581ad6633725e30e5483435a22703d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9acb9d49168de3e3c2635fa72dafb6c8581ad6633725e30e5483435a22703d4", kill_on_drop: false }`
[INFO] [stdout] f9acb9d49168de3e3c2635fa72dafb6c8581ad6633725e30e5483435a22703d4
