[INFO] fetching crate koit-toml 0.2.1...
[INFO] checking koit-toml-0.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate koit-toml 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate koit-toml 0.2.1
[INFO] finished tweaking crates.io crate koit-toml 0.2.1
[INFO] tweaked toml for crates.io crate koit-toml 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate koit-toml 0.2.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 80 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.9.8)
[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-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] 9fb53dd50deadfcd5af0f4c3cb0f52100e3c88a7c494bb35138324566129f709
[INFO] running `Command { std: "docker" "start" "-a" "9fb53dd50deadfcd5af0f4c3cb0f52100e3c88a7c494bb35138324566129f709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fb53dd50deadfcd5af0f4c3cb0f52100e3c88a7c494bb35138324566129f709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb53dd50deadfcd5af0f4c3cb0f52100e3c88a7c494bb35138324566129f709", kill_on_drop: false }`
[INFO] [stdout] 9fb53dd50deadfcd5af0f4c3cb0f52100e3c88a7c494bb35138324566129f709
[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] 6dbeba227c43fb2d44e189d480e75b4437c1ebc3649832205a15a93249e32cb9
[INFO] running `Command { std: "docker" "start" "-a" "6dbeba227c43fb2d44e189d480e75b4437c1ebc3649832205a15a93249e32cb9", kill_on_drop: false }`
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking async-io v2.6.0
[INFO] [stderr]     Checking async-executor v1.13.3
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking async-signal v0.2.13
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-process v2.5.0
[INFO] [stderr]     Checking async-std v1.13.2
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking koit-toml v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/backend.rs:92:3
[INFO] [stdout]    |
[INFO] [stdout] 92 |   async fn read(&mut self) -> Result<Vec<u8>, Self::Error> {
[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/backend.rs:88:1
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[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<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/backend.rs:92:60
[INFO] [stdout]    |
[INFO] [stdout] 92 |     async fn read(&mut self) -> Result<Vec<u8>, Self::Error> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 93 | |     Ok(self.0.clone())
[INFO] [stdout] 94 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/backend.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     Ok(self.0.clone())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `koit-toml` (lib test) 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/backend.rs:92:3
[INFO] [stdout]    |
[INFO] [stdout] 92 |   async fn read(&mut self) -> Result<Vec<u8>, Self::Error> {
[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/backend.rs:88:1
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[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<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/backend.rs:92:60
[INFO] [stdout]    |
[INFO] [stdout] 92 |     async fn read(&mut self) -> Result<Vec<u8>, Self::Error> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 93 | |     Ok(self.0.clone())
[INFO] [stdout] 94 | |   }
[INFO] [stdout]    | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vec<u8>, Infallible>
[INFO] [stdout]   --> src/backend.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     Ok(self.0.clone())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `koit-toml` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "6dbeba227c43fb2d44e189d480e75b4437c1ebc3649832205a15a93249e32cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dbeba227c43fb2d44e189d480e75b4437c1ebc3649832205a15a93249e32cb9", kill_on_drop: false }`
[INFO] [stdout] 6dbeba227c43fb2d44e189d480e75b4437c1ebc3649832205a15a93249e32cb9
