[INFO] fetching crate mls-rs-core 0.24.0...
[INFO] checking mls-rs-core-0.24.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate mls-rs-core 0.24.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mls-rs-core 0.24.0
[INFO] finished tweaking crates.io crate mls-rs-core 0.24.0
[INFO] tweaked toml for crates.io crate mls-rs-core 0.24.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mls-rs-core 0.24.0 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 mls-rs-core 0.24.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e4a075d026331887dd6c661ed4a79c97a6e9909b1a1b0d108c0f817b874b4deb
[INFO] running `Command { std: "docker" "start" "-a" "e4a075d026331887dd6c661ed4a79c97a6e9909b1a1b0d108c0f817b874b4deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4a075d026331887dd6c661ed4a79c97a6e9909b1a1b0d108c0f817b874b4deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a075d026331887dd6c661ed4a79c97a6e9909b1a1b0d108c0f817b874b4deb", kill_on_drop: false }`
[INFO] [stdout] e4a075d026331887dd6c661ed4a79c97a6e9909b1a1b0d108c0f817b874b4deb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 203c4c10264199fde46775a4ff624e212e37ed935807e3905283fee111c05107
[INFO] running `Command { std: "docker" "start" "-a" "203c4c10264199fde46775a4ff624e212e37ed935807e3905283fee111c05107", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.102
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling maybe-async v0.2.10
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking thiserror v2.0.12
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling mls-rs-codec-derive v0.2.0
[INFO] [stderr]     Checking mls-rs-codec v0.7.0
[INFO] [stderr]     Checking mls-rs-core v0.24.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<credential::Credential, Infallible>
[INFO] [stdout]   --> src/identity/basic.rs:78:65
[INFO] [stdout]    |
[INFO] [stdout] 78 |       fn into_credential(self) -> Result<Credential, Self::Error> {
[INFO] [stdout]    |  _________________________________________________________________^
[INFO] [stdout] 79 | |         Ok(self.into_credential())
[INFO] [stdout] 80 | |     }
[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<credential::Credential, Infallible>
[INFO] [stdout]   --> src/identity/basic.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         Ok(self.into_credential())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<credential::Credential, Infallible>
[INFO] [stdout]    --> src/identity/x509.rs:136:65
[INFO] [stdout]     |
[INFO] [stdout] 136 |       fn into_credential(self) -> Result<Credential, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________^
[INFO] [stdout] 137 | |         Ok(self.into_credential())
[INFO] [stdout] 138 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<credential::Credential, Infallible>
[INFO] [stdout]    --> src/identity/x509.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         Ok(self.into_credential())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mls-rs-core` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/extension.rs:242:73
[INFO] [stdout]     |
[INFO] [stdout] 242 |           fn to_bytes(&self) -> Result<Vec<u8>, Self::SerializationError> {
[INFO] [stdout]     |  _________________________________________________________________________^
[INFO] [stdout] 243 | |             Ok(vec![0])
[INFO] [stdout] 244 | |         }
[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<Vec<u8>, Infallible>
[INFO] [stdout]    --> src/extension.rs:243:13
[INFO] [stdout]     |
[INFO] [stdout] 243 |             Ok(vec![0])
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TestExtension, Infallible>
[INFO] [stdout]    --> src/extension.rs:246:81
[INFO] [stdout]     |
[INFO] [stdout] 246 |           fn from_bytes(_data: &[u8]) -> Result<Self, Self::DeserializationError> {
[INFO] [stdout]     |  _________________________________________________________________________________^
[INFO] [stdout] 247 | |             Ok(TestExtension)
[INFO] [stdout] 248 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<TestExtension, Infallible>
[INFO] [stdout]    --> src/extension.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |             Ok(TestExtension)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<credential::Credential, Infallible>
[INFO] [stdout]   --> src/identity/basic.rs:78:65
[INFO] [stdout]    |
[INFO] [stdout] 78 |       fn into_credential(self) -> Result<Credential, Self::Error> {
[INFO] [stdout]    |  _________________________________________________________________^
[INFO] [stdout] 79 | |         Ok(self.into_credential())
[INFO] [stdout] 80 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<credential::Credential, Infallible>
[INFO] [stdout]   --> src/identity/basic.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         Ok(self.into_credential())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<credential::Credential, Infallible>
[INFO] [stdout]    --> src/identity/x509.rs:136:65
[INFO] [stdout]     |
[INFO] [stdout] 136 |       fn into_credential(self) -> Result<Credential, Self::Error> {
[INFO] [stdout]     |  _________________________________________________________________^
[INFO] [stdout] 137 | |         Ok(self.into_credential())
[INFO] [stdout] 138 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<credential::Credential, Infallible>
[INFO] [stdout]    --> src/identity/x509.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         Ok(self.into_credential())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mls-rs-core` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "203c4c10264199fde46775a4ff624e212e37ed935807e3905283fee111c05107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203c4c10264199fde46775a4ff624e212e37ed935807e3905283fee111c05107", kill_on_drop: false }`
[INFO] [stdout] 203c4c10264199fde46775a4ff624e212e37ed935807e3905283fee111c05107
