[INFO] fetching crate inpt-macros 0.1.1...
[INFO] checking inpt-macros-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate inpt-macros 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate inpt-macros 0.1.1
[INFO] finished tweaking crates.io crate inpt-macros 0.1.1
[INFO] tweaked toml for crates.io crate inpt-macros 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate inpt-macros 0.1.1 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 11 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.14.4 (available: v0.21.3)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.8)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 294768fdb52fb65e7c66c09971fefff730e9f8f0b1990fdede372d30386b4f37
[INFO] running `Command { std: "docker" "start" "-a" "294768fdb52fb65e7c66c09971fefff730e9f8f0b1990fdede372d30386b4f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "294768fdb52fb65e7c66c09971fefff730e9f8f0b1990fdede372d30386b4f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294768fdb52fb65e7c66c09971fefff730e9f8f0b1990fdede372d30386b4f37", kill_on_drop: false }`
[INFO] [stdout] 294768fdb52fb65e7c66c09971fefff730e9f8f0b1990fdede372d30386b4f37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fe9d9ab59b2a562d0ab18c680502a48dfb27ce9eb167cf1e43db11059fd67a55
[INFO] running `Command { std: "docker" "start" "-a" "fe9d9ab59b2a562d0ab18c680502a48dfb27ce9eb167cf1e43db11059fd67a55", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking darling v0.14.4
[INFO] [stderr]     Checking inpt-macros v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<u32, Infallible>
[INFO] [stdout]    --> src/lib.rs:335:52
[INFO] [stdout]     |
[INFO] [stdout] 335 |           fn finish(self) -> Result<u32, Infallible> {
[INFO] [stdout]     |  ____________________________________________________^
[INFO] [stdout] 336 | |             Ok(self.0)
[INFO] [stdout] 337 | |         }
[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<u32, Infallible>
[INFO] [stdout]    --> src/lib.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             Ok(self.0)
[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:344:20
[INFO] [stdout]     |
[INFO] [stdout] 344 |     let captures = regex_ast::visit(&ast, CountCaptures(0)).unwrap();
[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:335:52
[INFO] [stdout]     |
[INFO] [stdout] 335 |           fn finish(self) -> Result<u32, Infallible> {
[INFO] [stdout]     |  ____________________________________________________^
[INFO] [stdout] 336 | |             Ok(self.0)
[INFO] [stdout] 337 | |         }
[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<u32, Infallible>
[INFO] [stdout]    --> src/lib.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             Ok(self.0)
[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:344:20
[INFO] [stdout]     |
[INFO] [stdout] 344 |     let captures = regex_ast::visit(&ast, CountCaptures(0)).unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `inpt-macros` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `inpt-macros` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "fe9d9ab59b2a562d0ab18c680502a48dfb27ce9eb167cf1e43db11059fd67a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9d9ab59b2a562d0ab18c680502a48dfb27ce9eb167cf1e43db11059fd67a55", kill_on_drop: false }`
[INFO] [stdout] fe9d9ab59b2a562d0ab18c680502a48dfb27ce9eb167cf1e43db11059fd67a55