[INFO] fetching crate integrator 0.1.46...
[INFO] checking integrator-0.1.46 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate integrator 0.1.46 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate integrator 0.1.46
[INFO] finished tweaking crates.io crate integrator 0.1.46
[INFO] tweaked toml for crates.io crate integrator 0.1.46 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate integrator 0.1.46 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 integrator 0.1.46 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] 259936c61f381405e4864fd1acd66cd2c827274e9fa22340603092037a197b63
[INFO] running `Command { std: "docker" "start" "-a" "259936c61f381405e4864fd1acd66cd2c827274e9fa22340603092037a197b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "259936c61f381405e4864fd1acd66cd2c827274e9fa22340603092037a197b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "259936c61f381405e4864fd1acd66cd2c827274e9fa22340603092037a197b63", kill_on_drop: false }`
[INFO] [stdout] 259936c61f381405e4864fd1acd66cd2c827274e9fa22340603092037a197b63
[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] 6f0cbba82b7094f54110e438183ec0972ce3545bfc8279f1c5bd7093d542fb47
[INFO] running `Command { std: "docker" "start" "-a" "6f0cbba82b7094f54110e438183ec0972ce3545bfc8279f1c5bd7093d542fb47", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]     Checking integrator v0.1.46 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `integrator` (lib) due to 18 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<f64, Infallible>
[INFO] [stdout]   --> src/traits.rs:97:60
[INFO] [stdout]    |
[INFO] [stdout] 97 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 98 | |         Ok(*self)
[INFO] [stdout] 99 | |     }
[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<f64, Infallible>
[INFO] [stdout]   --> src/traits.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         Ok(*self)
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:113:60
[INFO] [stdout]     |
[INFO] [stdout] 113 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 114 | |         Ok(self.get() as Float)
[INFO] [stdout] 115 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         Ok(self.get() as Float)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:138:60
[INFO] [stdout]     |
[INFO] [stdout] 138 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 139 | |         Ok(f64::from_lossy(self.get()))
[INFO] [stdout] 140 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         Ok(f64::from_lossy(self.get()))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:161:60
[INFO] [stdout]     |
[INFO] [stdout] 161 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 162 | |         Ok(self.get() as Float)
[INFO] [stdout] 163 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         Ok(self.get() as Float)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:186:60
[INFO] [stdout]     |
[INFO] [stdout] 186 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 187 | |         Ok(f64::from_lossy(self.get()))
[INFO] [stdout] 188 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         Ok(f64::from_lossy(self.get()))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:209:60
[INFO] [stdout]     |
[INFO] [stdout] 209 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 210 | |         Ok(f64::from_lossy(*self))
[INFO] [stdout] 211 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |         Ok(f64::from_lossy(*self))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:232:60
[INFO] [stdout]     |
[INFO] [stdout] 232 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 233 | |         Ok(f64::from_lossy(*self))
[INFO] [stdout] 234 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         Ok(f64::from_lossy(*self))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:255:60
[INFO] [stdout]     |
[INFO] [stdout] 255 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 256 | |         Ok(f64::from_lossy(*self))
[INFO] [stdout] 257 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         Ok(f64::from_lossy(*self))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:278:60
[INFO] [stdout]     |
[INFO] [stdout] 278 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 279 | |         Ok(f64::from_lossy(*self))
[INFO] [stdout] 280 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |         Ok(f64::from_lossy(*self))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]   --> src/traits.rs:97:60
[INFO] [stdout]    |
[INFO] [stdout] 97 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 98 | |         Ok(*self)
[INFO] [stdout] 99 | |     }
[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<f64, Infallible>
[INFO] [stdout]   --> src/traits.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         Ok(*self)
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:113:60
[INFO] [stdout]     |
[INFO] [stdout] 113 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 114 | |         Ok(self.get() as Float)
[INFO] [stdout] 115 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         Ok(self.get() as Float)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:138:60
[INFO] [stdout]     |
[INFO] [stdout] 138 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 139 | |         Ok(f64::from_lossy(self.get()))
[INFO] [stdout] 140 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 139 |         Ok(f64::from_lossy(self.get()))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:161:60
[INFO] [stdout]     |
[INFO] [stdout] 161 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 162 | |         Ok(self.get() as Float)
[INFO] [stdout] 163 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |         Ok(self.get() as Float)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:186:60
[INFO] [stdout]     |
[INFO] [stdout] 186 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 187 | |         Ok(f64::from_lossy(self.get()))
[INFO] [stdout] 188 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |         Ok(f64::from_lossy(self.get()))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:209:60
[INFO] [stdout]     |
[INFO] [stdout] 209 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 210 | |         Ok(f64::from_lossy(*self))
[INFO] [stdout] 211 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:210:9
[INFO] [stdout]     |
[INFO] [stdout] 210 |         Ok(f64::from_lossy(*self))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:232:60
[INFO] [stdout]     |
[INFO] [stdout] 232 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 233 | |         Ok(f64::from_lossy(*self))
[INFO] [stdout] 234 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         Ok(f64::from_lossy(*self))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:255:60
[INFO] [stdout]     |
[INFO] [stdout] 255 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 256 | |         Ok(f64::from_lossy(*self))
[INFO] [stdout] 257 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         Ok(f64::from_lossy(*self))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:278:60
[INFO] [stdout]     |
[INFO] [stdout] 278 |       fn try_into_float(&self) -> Result<Float, Self::Error> {
[INFO] [stdout]     |  ____________________________________________________________^
[INFO] [stdout] 279 | |         Ok(f64::from_lossy(*self))
[INFO] [stdout] 280 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/traits.rs:279:9
[INFO] [stdout]     |
[INFO] [stdout] 279 |         Ok(f64::from_lossy(*self))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `integrator` (lib test) due to 18 previous errors
[INFO] running `Command { std: "docker" "inspect" "6f0cbba82b7094f54110e438183ec0972ce3545bfc8279f1c5bd7093d542fb47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0cbba82b7094f54110e438183ec0972ce3545bfc8279f1c5bd7093d542fb47", kill_on_drop: false }`
[INFO] [stdout] 6f0cbba82b7094f54110e438183ec0972ce3545bfc8279f1c5bd7093d542fb47