[INFO] fetching crate blarg_derive 1.0.4...
[INFO] checking blarg_derive-1.0.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate blarg_derive 1.0.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate blarg_derive 1.0.4
[INFO] finished tweaking crates.io crate blarg_derive 1.0.4
[INFO] tweaked toml for crates.io crate blarg_derive 1.0.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blarg_derive 1.0.4 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 4 packages to latest compatible versions
[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] 2815151d1f81016f47c09e702a717b2943fafd8d34dd2d00e01f831176617dcc
[INFO] running `Command { std: "docker" "start" "-a" "2815151d1f81016f47c09e702a717b2943fafd8d34dd2d00e01f831176617dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2815151d1f81016f47c09e702a717b2943fafd8d34dd2d00e01f831176617dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2815151d1f81016f47c09e702a717b2943fafd8d34dd2d00e01f831176617dcc", kill_on_drop: false }`
[INFO] [stdout] 2815151d1f81016f47c09e702a717b2943fafd8d34dd2d00e01f831176617dcc
[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] 5377ac544fcc42d51d8775a13f48e65e3d0fcc8b9a65ab32f462b6014f4e7ff0
[INFO] running `Command { std: "docker" "start" "-a" "5377ac544fcc42d51d8775a13f48e65e3d0fcc8b9a65ab32f462b6014f4e7ff0", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]     Checking proc-macro2 v1.0.103
[INFO] [stderr]     Checking quote v1.0.42
[INFO] [stderr]     Checking syn v2.0.110
[INFO] [stderr]     Checking blarg_derive v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]   --> src/generate/choices.rs:71:28
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let token_stream = TokenStream2::try_from(choices).unwrap();
[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<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]   --> src/generate/choices.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let token_stream = TokenStream2::try_from(choices).unwrap();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]    --> src/generate/parser.rs:212:28
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let token_stream = TokenStream2::try_from(parser).unwrap();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]    --> src/generate/parser.rs:248:28
[INFO] [stdout]     |
[INFO] [stdout] 248 |         let token_stream = TokenStream2::try_from(parser).unwrap();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]    --> src/generate/parser.rs:288:28
[INFO] [stdout]     |
[INFO] [stdout] 288 |         let token_stream = TokenStream2::try_from(parser).unwrap();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]    --> src/generate/parser.rs:331:28
[INFO] [stdout]     |
[INFO] [stdout] 331 |         let token_stream = TokenStream2::try_from(parser).unwrap();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]    --> src/generate/parser.rs:391:28
[INFO] [stdout]     |
[INFO] [stdout] 391 |         let token_stream = TokenStream2::try_from(parser).unwrap();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]    --> src/generate/parser.rs:424:28
[INFO] [stdout]     |
[INFO] [stdout] 424 |         let token_stream = TokenStream2::try_from(sub_parser).unwrap();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]    --> src/generate/parser.rs:450:28
[INFO] [stdout]     |
[INFO] [stdout] 450 |         let token_stream = TokenStream2::try_from(sub_parser).unwrap();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]    --> src/generate/parser.rs:480:28
[INFO] [stdout]     |
[INFO] [stdout] 480 |         let token_stream = TokenStream2::try_from(sub_parser).unwrap();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]    --> src/generate/parser.rs:515:28
[INFO] [stdout]     |
[INFO] [stdout] 515 |         let token_stream = TokenStream2::try_from(sub_parser).unwrap();
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blarg_derive` (lib test) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "5377ac544fcc42d51d8775a13f48e65e3d0fcc8b9a65ab32f462b6014f4e7ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5377ac544fcc42d51d8775a13f48e65e3d0fcc8b9a65ab32f462b6014f4e7ff0", kill_on_drop: false }`
[INFO] [stdout] 5377ac544fcc42d51d8775a13f48e65e3d0fcc8b9a65ab32f462b6014f4e7ff0