[INFO] cloning repository https://github.com/areq212/sync-player
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/areq212/sync-player" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fareq212%2Fsync-player", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fareq212%2Fsync-player'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0049ffd78fd7f6cd48245d3d98e4a07634fd0e9b
[INFO] checking areq212/sync-player 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%2Fareq212%2Fsync-player" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/areq212/sync-player
[INFO] finished tweaking git repo https://github.com/areq212/sync-player
[INFO] tweaked toml for git repo https://github.com/areq212/sync-player written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/areq212/sync-player 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/areq212/sync-player 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3ad7945f597d0866bae54c03a9dfc18ec343e13edf828e292f3b2dea48c6043
[INFO] running `Command { std: "docker" "start" "-a" "c3ad7945f597d0866bae54c03a9dfc18ec343e13edf828e292f3b2dea48c6043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3ad7945f597d0866bae54c03a9dfc18ec343e13edf828e292f3b2dea48c6043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ad7945f597d0866bae54c03a9dfc18ec343e13edf828e292f3b2dea48c6043", kill_on_drop: false }`
[INFO] [stdout] c3ad7945f597d0866bae54c03a9dfc18ec343e13edf828e292f3b2dea48c6043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8d24828b2701a81ce6932e893227b17934c281d8e9dbad61daa2fbbbd0154c08
[INFO] running `Command { std: "docker" "start" "-a" "8d24828b2701a81ce6932e893227b17934c281d8e9dbad61daa2fbbbd0154c08", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
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[INFO] [stdout] error: this type will no longer be must used: Result<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:68:140
[INFO] [stdout]    |
[INFO] [stdout] 68 |       async fn handle_message(&self, room: &Room, from: Participant, msg: ChatInbound) -> Result<MessageResponse<Self::Outbound>, Self::Err> {
[INFO] [stdout]    |  ____________________________________________________________________________________________________________________________________________^
[INFO] [stdout] 69 | |         match msg {
[INFO] [stdout] 70 | |             ChatInbound::SendPrivateMessage { to, content } =>
[INFO] [stdout] 71 | |                 Ok(MessageResponse::Unicast { to, msg: ChatOutbound::PrivateMessage { from, content } }),
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     }
[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<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[async_trait]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `async_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:68:140
[INFO] [stdout]    |
[INFO] [stdout] 68 |       async fn handle_message(&self, room: &Room, from: Participant, msg: ChatInbound) -> Result<MessageResponse<Self::Outbound>, Self::Err> {
[INFO] [stdout]    |  ____________________________________________________________________________________________________________________________________________^
[INFO] [stdout] 69 | |         match msg {
[INFO] [stdout] 70 | |             ChatInbound::SendPrivateMessage { to, content } =>
[INFO] [stdout] 71 | |                 Ok(MessageResponse::Unicast { to, msg: ChatOutbound::PrivateMessage { from, content } }),
[INFO] [stdout] ...  |
[INFO] [stdout] 78 | |     }
[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<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | /         match msg {
[INFO] [stdout] 70 | |             ChatInbound::SendPrivateMessage { to, content } =>
[INFO] [stdout] 71 | |                 Ok(MessageResponse::Unicast { to, msg: ChatOutbound::PrivateMessage { from, content } }),
[INFO] [stdout] 72 | |             ChatInbound::SendPublicMessage { content } =>
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Ok(MessageResponse::Unicast { to, msg: ChatOutbound::PrivateMessage { from, content } }),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 Ok(MessageResponse::Broadcast { msg: ChatOutbound::PublicMessage { from, content } }),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:74:46
[INFO] [stdout]    |
[INFO] [stdout] 74 |               ChatInbound::ListParticipants => {
[INFO] [stdout]    |  ______________________________________________^
[INFO] [stdout] 75 | |                 Ok(MessageResponse::Unicast { to: from, msg: ChatOutbound::ListOfParticipants { participants: room.participants.clone() } })
[INFO] [stdout] 76 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 Ok(MessageResponse::Unicast { to: from, msg: ChatOutbound::ListOfParticipants { participants: room.participants.clone() } })
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:63:1
[INFO] [stdout]    |
[INFO] [stdout] 63 | #[async_trait]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `async_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | /         match msg {
[INFO] [stdout] 70 | |             ChatInbound::SendPrivateMessage { to, content } =>
[INFO] [stdout] 71 | |                 Ok(MessageResponse::Unicast { to, msg: ChatOutbound::PrivateMessage { from, content } }),
[INFO] [stdout] 72 | |             ChatInbound::SendPublicMessage { content } =>
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 Ok(MessageResponse::Unicast { to, msg: ChatOutbound::PrivateMessage { from, content } }),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 Ok(MessageResponse::Broadcast { msg: ChatOutbound::PublicMessage { from, content } }),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:74:46
[INFO] [stdout]    |
[INFO] [stdout] 74 |               ChatInbound::ListParticipants => {
[INFO] [stdout]    |  ______________________________________________^
[INFO] [stdout] 75 | |                 Ok(MessageResponse::Unicast { to: from, msg: ChatOutbound::ListOfParticipants { participants: room.participants.clone() } })
[INFO] [stdout] 76 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<MessageResponse<ChatOutbound>, ChatError>
[INFO] [stdout]   --> crates/main/src/main.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 Ok(MessageResponse::Unicast { to: from, msg: ChatOutbound::ListOfParticipants { participants: room.participants.clone() } })
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `main` (bin "main") due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `main` (bin "main" test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "8d24828b2701a81ce6932e893227b17934c281d8e9dbad61daa2fbbbd0154c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d24828b2701a81ce6932e893227b17934c281d8e9dbad61daa2fbbbd0154c08", kill_on_drop: false }`
[INFO] [stdout] 8d24828b2701a81ce6932e893227b17934c281d8e9dbad61daa2fbbbd0154c08
