[INFO] fetching crate snocat-cli 0.8.0-alpha.5...
[INFO] checking snocat-cli-0.8.0-alpha.5 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate snocat-cli 0.8.0-alpha.5 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate snocat-cli 0.8.0-alpha.5
[INFO] finished tweaking crates.io crate snocat-cli 0.8.0-alpha.5
[INFO] tweaked toml for crates.io crate snocat-cli 0.8.0-alpha.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snocat-cli 0.8.0-alpha.5 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 crates.io crate snocat-cli 0.8.0-alpha.5 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 }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 16a411707c3ac67762be5ba18f363c099ac6eb6ba684718d80918d4d62d1a4f0
[INFO] running `Command { std: "docker" "start" "-a" "16a411707c3ac67762be5ba18f363c099ac6eb6ba684718d80918d4d62d1a4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16a411707c3ac67762be5ba18f363c099ac6eb6ba684718d80918d4d62d1a4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a411707c3ac67762be5ba18f363c099ac6eb6ba684718d80918d4d62d1a4f0", kill_on_drop: false }`
[INFO] [stdout] 16a411707c3ac67762be5ba18f363c099ac6eb6ba684718d80918d4d62d1a4f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d2ba6c6adb3fe634fcc79e7da16b6f23ab1380f4dba1afcbc8705cb89b7bb121
[INFO] running `Command { std: "docker" "start" "-a" "d2ba6c6adb3fe634fcc79e7da16b6f23ab1380f4dba1afcbc8705cb89b7bb121", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
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[INFO] [stderr]    Compiling pin-project-internal v1.0.12
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[INFO] [stderr]     Checking uuid v1.3.0
[INFO] [stderr]     Checking snocat v0.8.0-alpha.5
[INFO] [stderr]     Checking snocat-cli v0.8.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<PathBuf>>
[INFO] [stdout]    --> src/main.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let authority_cert_path = args
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 159 | |     .value_of("authority")
[INFO] [stdout] 160 | |     .map(|path| PathBuf::from_str(path))
[INFO] [stdout] 161 | |     // flip Option<Result<T, E>> to Result<Option<T>, E>
[INFO] [stdout] 162 | |     .map_or(Ok(None), |v| v.map(Some))?;
[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<Option<PathBuf>, Infallible>
[INFO] [stdout]    --> src/main.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let authority_cert_path = args
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 159 | |     .value_of("authority")
[INFO] [stdout] 160 | |     .map(|path| PathBuf::from_str(path))
[INFO] [stdout] 161 | |     // flip Option<Result<T, E>> to Result<Option<T>, E>
[INFO] [stdout] 162 | |     .map_or(Ok(None), |v| v.map(Some))?;
[INFO] [stdout]     | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |     .map(|path| PathBuf::from_str(path))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<PathBuf>, Infallible>
[INFO] [stdout]    --> src/main.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |     .map_or(Ok(None), |v| v.map(Some))?;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<PathBuf>, Infallible>
[INFO] [stdout]    --> src/main.rs:162:27
[INFO] [stdout]     |
[INFO] [stdout] 162 |     .map_or(Ok(None), |v| v.map(Some))?;
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:162:27
[INFO] [stdout]     |
[INFO] [stdout] 162 |     .map_or(Ok(None), |v| v.map(Some))?;
[INFO] [stdout]     |                           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/services/demand_proxy.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         Box::new(stop_accepting).cancelled()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_allocation)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<snocat::common::protocol::service::Request<'_, <TRouter as Router>::Stream, TcpStreamClient<tokio::io::ReadHalf<tokio::net::TcpStream>, tokio::io::WriteHalf<tokio::net::TcpStream>>>, Infallible>
[INFO] [stdout]    --> src/services/demand_proxy.rs:217:21
[INFO] [stdout]     |
[INFO] [stdout] 217 |           let req = Request::new(client, target).map_err(|_e| ServiceError::AddressError)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snocat-cli` (bin "snocat-cli" test) due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `snocat-cli` (bin "snocat-cli") due to 7 previous errors; 1 warning emitted
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, Option<PathBuf>>
[INFO] [stdout]    --> src/main.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let authority_cert_path = args
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 159 | |     .value_of("authority")
[INFO] [stdout] 160 | |     .map(|path| PathBuf::from_str(path))
[INFO] [stdout] 161 | |     // flip Option<Result<T, E>> to Result<Option<T>, E>
[INFO] [stdout] 162 | |     .map_or(Ok(None), |v| v.map(Some))?;
[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<Option<PathBuf>, Infallible>
[INFO] [stdout]    --> src/main.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let authority_cert_path = args
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 159 | |     .value_of("authority")
[INFO] [stdout] 160 | |     .map(|path| PathBuf::from_str(path))
[INFO] [stdout] 161 | |     // flip Option<Result<T, E>> to Result<Option<T>, E>
[INFO] [stdout] 162 | |     .map_or(Ok(None), |v| v.map(Some))?;
[INFO] [stdout]     | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |     .map(|path| PathBuf::from_str(path))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<PathBuf>, Infallible>
[INFO] [stdout]    --> src/main.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 |     .map_or(Ok(None), |v| v.map(Some))?;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Option<PathBuf>, Infallible>
[INFO] [stdout]    --> src/main.rs:162:27
[INFO] [stdout]     |
[INFO] [stdout] 162 |     .map_or(Ok(None), |v| v.map(Some))?;
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/main.rs:162:27
[INFO] [stdout]     |
[INFO] [stdout] 162 |     .map_or(Ok(None), |v| v.map(Some))?;
[INFO] [stdout]     |                           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary allocation, use `&` instead
[INFO] [stdout]    --> src/services/demand_proxy.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |         Box::new(stop_accepting).cancelled()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_allocation)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<snocat::common::protocol::service::Request<'_, <TRouter as Router>::Stream, TcpStreamClient<tokio::io::ReadHalf<tokio::net::TcpStream>, tokio::io::WriteHalf<tokio::net::TcpStream>>>, Infallible>
[INFO] [stdout]    --> src/services/demand_proxy.rs:217:21
[INFO] [stdout]     |
[INFO] [stdout] 217 |           let req = Request::new(client, target).map_err(|_e| ServiceError::AddressError)?;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d2ba6c6adb3fe634fcc79e7da16b6f23ab1380f4dba1afcbc8705cb89b7bb121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ba6c6adb3fe634fcc79e7da16b6f23ab1380f4dba1afcbc8705cb89b7bb121", kill_on_drop: false }`
[INFO] [stdout] d2ba6c6adb3fe634fcc79e7da16b6f23ab1380f4dba1afcbc8705cb89b7bb121
