[INFO] fetching crate rosc 0.11.4...
[INFO] checking rosc-0.11.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rosc 0.11.4 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate rosc 0.11.4
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rosc 0.11.4
[INFO] tweaked toml for crates.io crate rosc 0.11.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rosc 0.11.4 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 rosc 0.11.4 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4194ec3d1d2ec994afc065d31e87be2961cef765fe06239ec91d4483afc04c9a
[INFO] running `Command { std: "docker" "start" "-a" "4194ec3d1d2ec994afc065d31e87be2961cef765fe06239ec91d4483afc04c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4194ec3d1d2ec994afc065d31e87be2961cef765fe06239ec91d4483afc04c9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4194ec3d1d2ec994afc065d31e87be2961cef765fe06239ec91d4483afc04c9a", kill_on_drop: false }`
[INFO] [stdout] 4194ec3d1d2ec994afc065d31e87be2961cef765fe06239ec91d4483afc04c9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1096b6d3f1b92526fc400ef92ed93a86ef5f107ffa15378419b1b913b0527760
[INFO] running `Command { std: "docker" "start" "-a" "1096b6d3f1b92526fc400ef92ed93a86ef5f107ffa15378419b1b913b0527760", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking time-core v0.1.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking time v0.3.39
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking rosc v0.11.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/encoder.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     encode_into(packet, &mut bytes).expect("Failed to write encoded packet into Vec");
[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: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/encoder.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     encode_into_tcp(packet, &mut bytes).expect("Failed to write encoded packet into Vec");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<(usize, usize), Infallible>
[INFO] [stdout]    --> src/encoder.rs:291:70
[INFO] [stdout]     |
[INFO] [stdout] 291 |       fn mark(&mut self, size: usize) -> Result<Self::Mark, Self::Err> {
[INFO] [stdout]     |  ______________________________________________________________________^
[INFO] [stdout] 292 | |         let start = self.len();
[INFO] [stdout] 293 | |         let end = start + size;
[INFO] [stdout] ...   |
[INFO] [stdout] 296 | |         Ok((start, end))
[INFO] [stdout] 297 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<(usize, usize), Infallible>
[INFO] [stdout]    --> src/encoder.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         Ok((start, end))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/encoder.rs:306:66
[INFO] [stdout]     |
[INFO] [stdout] 306 |       fn write(&mut self, data: &[u8]) -> Result<usize, Self::Err> {
[INFO] [stdout]     |  __________________________________________________________________^
[INFO] [stdout] 307 | |         self.extend(data);
[INFO] [stdout] 308 | |         Ok(data.len())
[INFO] [stdout] 309 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/encoder.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         Ok(data.len())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rosc` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/encoder.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     encode_into(packet, &mut bytes).expect("Failed to write encoded packet into Vec");
[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: std::result::Result<usize, Infallible>
[INFO] [stdout]   --> src/encoder.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     encode_into_tcp(packet, &mut bytes).expect("Failed to write encoded packet into Vec");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<(usize, usize), Infallible>
[INFO] [stdout]    --> src/encoder.rs:291:70
[INFO] [stdout]     |
[INFO] [stdout] 291 |       fn mark(&mut self, size: usize) -> Result<Self::Mark, Self::Err> {
[INFO] [stdout]     |  ______________________________________________________________________^
[INFO] [stdout] 292 | |         let start = self.len();
[INFO] [stdout] 293 | |         let end = start + size;
[INFO] [stdout] ...   |
[INFO] [stdout] 296 | |         Ok((start, end))
[INFO] [stdout] 297 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<(usize, usize), Infallible>
[INFO] [stdout]    --> src/encoder.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 296 |         Ok((start, end))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/encoder.rs:306:66
[INFO] [stdout]     |
[INFO] [stdout] 306 |       fn write(&mut self, data: &[u8]) -> Result<usize, Self::Err> {
[INFO] [stdout]     |  __________________________________________________________________^
[INFO] [stdout] 307 | |         self.extend(data);
[INFO] [stdout] 308 | |         Ok(data.len())
[INFO] [stdout] 309 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/encoder.rs:308:9
[INFO] [stdout]     |
[INFO] [stdout] 308 |         Ok(data.len())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rosc` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "1096b6d3f1b92526fc400ef92ed93a86ef5f107ffa15378419b1b913b0527760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1096b6d3f1b92526fc400ef92ed93a86ef5f107ffa15378419b1b913b0527760", kill_on_drop: false }`
[INFO] [stdout] 1096b6d3f1b92526fc400ef92ed93a86ef5f107ffa15378419b1b913b0527760
