[INFO] fetching crate try_create 0.1.2...
[INFO] checking try_create-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate try_create 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate try_create 0.1.2
[INFO] finished tweaking crates.io crate try_create 0.1.2
[INFO] tweaked toml for crates.io crate try_create 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate try_create 0.1.2 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 try_create 0.1.2 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1719b3786b14b0a0ed0c6cc2e36ae723e5c2ea560492f9ea059b11585df7d262
[INFO] running `Command { std: "docker" "start" "-a" "1719b3786b14b0a0ed0c6cc2e36ae723e5c2ea560492f9ea059b11585df7d262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1719b3786b14b0a0ed0c6cc2e36ae723e5c2ea560492f9ea059b11585df7d262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1719b3786b14b0a0ed0c6cc2e36ae723e5c2ea560492f9ea059b11585df7d262", kill_on_drop: false }`
[INFO] [stdout] 1719b3786b14b0a0ed0c6cc2e36ae723e5c2ea560492f9ea059b11585df7d262
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1c22c6d16f6d758ddbe2408f62dc253561acce6e72b183976d5ff7178ca67b8f
[INFO] running `Command { std: "docker" "start" "-a" "1c22c6d16f6d758ddbe2408f62dc253561acce6e72b183976d5ff7178ca67b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling into_inner_derive v0.1.2
[INFO] [stderr]    Compiling duplicate v2.0.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking into_inner v0.1.2
[INFO] [stderr]     Checking try_create v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<f32, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[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<f32, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<f64, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i8, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i8, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i16, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i16, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i64, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i128, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i128, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u8, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u128, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u128, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<isize, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<isize, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<bool, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<char, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<char, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Complex<f32>, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Complex<f32>, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Complex<f64>, Infallible>
[INFO] [stdout]    --> src/lib.rs:483:68
[INFO] [stdout]     |
[INFO] [stdout] 483 |       fn try_new(value: Self::InnerType) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________^
[INFO] [stdout] 484 | |         Ok(value)
[INFO] [stdout] 485 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Complex<f64>, Infallible>
[INFO] [stdout]    --> src/lib.rs:484:9
[INFO] [stdout]     |
[INFO] [stdout] 484 |         Ok(value)
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `try_create` (lib) due to 36 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1c22c6d16f6d758ddbe2408f62dc253561acce6e72b183976d5ff7178ca67b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c22c6d16f6d758ddbe2408f62dc253561acce6e72b183976d5ff7178ca67b8f", kill_on_drop: false }`
[INFO] [stdout] 1c22c6d16f6d758ddbe2408f62dc253561acce6e72b183976d5ff7178ca67b8f