[INFO] cloning repository https://github.com/BrokenC1oud/rusty_mine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrokenC1oud/rusty_mine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrokenC1oud%2Frusty_mine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrokenC1oud%2Frusty_mine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 572c2e28b6075474507c03faabc7b60013b08865
[INFO] checking BrokenC1oud/rusty_mine against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrokenC1oud%2Frusty_mine" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BrokenC1oud/rusty_mine
[INFO] finished tweaking git repo https://github.com/BrokenC1oud/rusty_mine
[INFO] tweaked toml for git repo https://github.com/BrokenC1oud/rusty_mine written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BrokenC1oud/rusty_mine on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BrokenC1oud/rusty_mine 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 392cf3c42ff8704ccad43dc3e41bc23146cb5318d48228fb771e16e7f8be3626
[INFO] running `Command { std: "docker" "start" "-a" "392cf3c42ff8704ccad43dc3e41bc23146cb5318d48228fb771e16e7f8be3626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "392cf3c42ff8704ccad43dc3e41bc23146cb5318d48228fb771e16e7f8be3626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392cf3c42ff8704ccad43dc3e41bc23146cb5318d48228fb771e16e7f8be3626", kill_on_drop: false }`
[INFO] [stdout] 392cf3c42ff8704ccad43dc3e41bc23146cb5318d48228fb771e16e7f8be3626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20821f2664b7c01b537c96eb0f5a260a5b614b98875b187e8e188244aabe0e56
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[INFO] [stdout] warning: unused variable: `packet`
[INFO] [stdout]    --> src/server/mod.rs:381:57
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub async fn handle_configuration_packet(&mut self, packet: ConfigurationPacket) -> Result<()> {
[INFO] [stdout]     |                                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `uuid` is never read
[INFO] [stdout]   --> src/server/mod.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct PlayerInfo {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 57 |     name: String,
[INFO] [stdout] 58 |     uuid: Uuid,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlayerInfo` 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: unused variable: `packet`
[INFO] [stdout]    --> src/server/mod.rs:381:57
[INFO] [stdout]     |
[INFO] [stdout] 381 |     pub async fn handle_configuration_packet(&mut self, packet: ConfigurationPacket) -> Result<()> {
[INFO] [stdout]     |                                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_packet`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> src/protocol/mod.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             shared_secret.try_into().unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> src/protocol/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             iv.try_into().unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> src/protocol/mod.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             shared_secret.try_into().unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> src/protocol/mod.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             iv.try_into().unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/protocol/mod.rs:164:29
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let packet_length = usize::try_from(self.read_varint().await?)?;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/protocol/mod.rs:164:29
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let packet_length = usize::try_from(self.read_varint().await?)?;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `uuid` is never read
[INFO] [stdout]   --> src/server/mod.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct PlayerInfo {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 57 |     name: String,
[INFO] [stdout] 58 |     uuid: Uuid,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlayerInfo` 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] error: this type will no longer be must used: Result<&GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> src/protocol/mod.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |             shared_secret.try_into().unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> src/protocol/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             iv.try_into().unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> src/protocol/mod.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             shared_secret.try_into().unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&GenericArray<u8, UInt<UInt<UInt<UInt<UInt<UTerm, B1>, B0>, B0>, B0>, B0>>, Infallible>
[INFO] [stdout]   --> src/protocol/mod.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             iv.try_into().unwrap(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/protocol/mod.rs:164:29
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let packet_length = usize::try_from(self.read_varint().await?)?;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/protocol/mod.rs:164:29
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let packet_length = usize::try_from(self.read_varint().await?)?;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty_mine` (lib test) due to 6 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rusty_mine` (lib) due to 6 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "20821f2664b7c01b537c96eb0f5a260a5b614b98875b187e8e188244aabe0e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20821f2664b7c01b537c96eb0f5a260a5b614b98875b187e8e188244aabe0e56", kill_on_drop: false }`
[INFO] [stdout] 20821f2664b7c01b537c96eb0f5a260a5b614b98875b187e8e188244aabe0e56
