[INFO] cloning repository https://github.com/ChaosCat/MUDPortal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChaosCat/MUDPortal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChaosCat%2FMUDPortal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChaosCat%2FMUDPortal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 224d20b8c42e9b8b1eb8a23f26b14550e735c051
[INFO] checking ChaosCat/MUDPortal against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChaosCat%2FMUDPortal" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChaosCat/MUDPortal on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChaosCat/MUDPortal
[INFO] finished tweaking git repo https://github.com/ChaosCat/MUDPortal
[INFO] tweaked toml for git repo https://github.com/ChaosCat/MUDPortal written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/ChaosCat/MUDPortal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f0da3b6451175d1cfef88c81d8443a05f9d57c43c872e41e5e90202a3b20cd6
[INFO] running `Command { std: "docker" "start" "-a" "0f0da3b6451175d1cfef88c81d8443a05f9d57c43c872e41e5e90202a3b20cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f0da3b6451175d1cfef88c81d8443a05f9d57c43c872e41e5e90202a3b20cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0da3b6451175d1cfef88c81d8443a05f9d57c43c872e41e5e90202a3b20cd6", kill_on_drop: false }`
[INFO] [stdout] 0f0da3b6451175d1cfef88c81d8443a05f9d57c43c872e41e5e90202a3b20cd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79d6a0f4c396275e70b92a3c1e0b76aa11fb4974c0b451c62d1c438e25c00a48
[INFO] running `Command { std: "docker" "start" "-a" "79d6a0f4c396275e70b92a3c1e0b76aa11fb4974c0b451c62d1c438e25c00a48", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking telnet v0.1.4
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking simple-logging v2.0.2
[INFO] [stderr]     Checking mud-portal v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/client/morgengrauen.rs (2 fixes)
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/client/morgengrauen.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 20  | /     loop {
[INFO] [stdout] 21  | |         curr_event = connection.read().expect("Failed reading from server");
[INFO] [stdout] 22  | |         match curr_event {
[INFO] [stdout] 23  | |             TelnetEvent::Data(data) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | |         input.clear();
[INFO] [stdout] 114 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 115 | 
[INFO] [stdout] 116 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MorgenGrauenClient`
[INFO] [stdout]  --> src/client/morgengrauen.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct MorgenGrauenClient {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     client_loop(connection);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client/morgengrauen.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         lout.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/client/morgengrauen.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     connection.write(input.as_bytes());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/client/morgengrauen.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 20  | /     loop {
[INFO] [stdout] 21  | |         curr_event = connection.read().expect("Failed reading from server");
[INFO] [stdout] 22  | |         match curr_event {
[INFO] [stdout] 23  | |             TelnetEvent::Data(data) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | |         input.clear();
[INFO] [stdout] 114 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 115 | 
[INFO] [stdout] 116 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MorgenGrauenClient`
[INFO] [stdout]  --> src/client/morgengrauen.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct MorgenGrauenClient {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     client_loop(connection);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client/morgengrauen.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         lout.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/client/morgengrauen.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     connection.write(input.as_bytes());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.34s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking mud-portal v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/client/morgengrauen.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 20  | /     loop {
[INFO] [stdout] 21  | |         curr_event = connection.read().expect("Failed reading from server");
[INFO] [stdout] 22  | |         match curr_event {
[INFO] [stdout] 23  | |             TelnetEvent::Data(data) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | |         input.clear();
[INFO] [stdout] 114 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 115 | 
[INFO] [stdout] 116 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MorgenGrauenClient`
[INFO] [stdout]  --> src/client/morgengrauen.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct MorgenGrauenClient {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/client/morgengrauen.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 20  | /     loop {
[INFO] [stdout] 21  | |         curr_event = connection.read().expect("Failed reading from server");
[INFO] [stdout] 22  | |         match curr_event {
[INFO] [stdout] 23  | |             TelnetEvent::Data(data) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 113 | |         input.clear();
[INFO] [stdout] 114 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 115 | 
[INFO] [stdout] 116 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     client_loop(connection);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client/morgengrauen.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         lout.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/client/morgengrauen.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     connection.write(input.as_bytes());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MorgenGrauenClient`
[INFO] [stdout]  --> src/client/morgengrauen.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct MorgenGrauenClient {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     client_loop(connection);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/client/morgengrauen.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         lout.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/client/morgengrauen.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |                     connection.write(input.as_bytes());
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "79d6a0f4c396275e70b92a3c1e0b76aa11fb4974c0b451c62d1c438e25c00a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d6a0f4c396275e70b92a3c1e0b76aa11fb4974c0b451c62d1c438e25c00a48", kill_on_drop: false }`
[INFO] [stdout] 79d6a0f4c396275e70b92a3c1e0b76aa11fb4974c0b451c62d1c438e25c00a48