[INFO] fetching crate optee-utee-macros 0.0.1...
[INFO] checking optee-utee-macros-0.0.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate optee-utee-macros 0.0.1 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate optee-utee-macros 0.0.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optee-utee-macros 0.0.1
[INFO] finished tweaking crates.io crate optee-utee-macros 0.0.1
[INFO] tweaked toml for crates.io crate optee-utee-macros 0.0.1 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06f46221c519a589eeeb7f8cd13f1f83b94fed5b6c0789aae327b6e3e9e35a25
[INFO] running `Command { std: "docker" "start" "-a" "06f46221c519a589eeeb7f8cd13f1f83b94fed5b6c0789aae327b6e3e9e35a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06f46221c519a589eeeb7f8cd13f1f83b94fed5b6c0789aae327b6e3e9e35a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f46221c519a589eeeb7f8cd13f1f83b94fed5b6c0789aae327b6e3e9e35a25", kill_on_drop: false }`
[INFO] [stdout] 06f46221c519a589eeeb7f8cd13f1f83b94fed5b6c0789aae327b6e3e9e35a25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51e7f67fe1e047501b960cf208c58297d6b7cef0202a282b3b3240a3fc6517f8
[INFO] running `Command { std: "docker" "start" "-a" "51e7f67fe1e047501b960cf208c58297d6b7cef0202a282b3b3240a3fc6517f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking optee-utee-macros v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     &&match f.decl.output {
[INFO] [stdout] 79 | |         syn::ReturnType::Default => true,
[INFO] [stdout] 80 | |         _ => false,
[INFO] [stdout] 81 | |     };
[INFO] [stdout]    | |_____^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let _ = &&match f.decl.output {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 | /     &&match f.decl.output {
[INFO] [stdout] 221 | |         syn::ReturnType::Default => true,
[INFO] [stdout] 222 | |         _ => false,
[INFO] [stdout] 223 | |     };
[INFO] [stdout]     | |_____^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let _ = &&match f.decl.output {
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     &&match f.decl.output {
[INFO] [stdout] 79 | |         syn::ReturnType::Default => true,
[INFO] [stdout] 80 | |         _ => false,
[INFO] [stdout] 81 | |     };
[INFO] [stdout]    | |_____^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let _ = &&match f.decl.output {
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 | /     &&match f.decl.output {
[INFO] [stdout] 221 | |         syn::ReturnType::Default => true,
[INFO] [stdout] 222 | |         _ => false,
[INFO] [stdout] 223 | |     };
[INFO] [stdout]     | |_____^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 220 |     let _ = &&match f.decl.output {
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "51e7f67fe1e047501b960cf208c58297d6b7cef0202a282b3b3240a3fc6517f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e7f67fe1e047501b960cf208c58297d6b7cef0202a282b3b3240a3fc6517f8", kill_on_drop: false }`
[INFO] [stdout] 51e7f67fe1e047501b960cf208c58297d6b7cef0202a282b3b3240a3fc6517f8