[INFO] fetching crate actix-admin-macros 0.8.0...
[INFO] checking actix-admin-macros-0.8.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate actix-admin-macros 0.8.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate actix-admin-macros 0.8.0
[INFO] finished tweaking crates.io crate actix-admin-macros 0.8.0
[INFO] tweaked toml for crates.io crate actix-admin-macros 0.8.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate actix-admin-macros 0.8.0 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 15 packages to latest compatible versions
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9dfbc4d914fadcfb04fabf772a0e5b6021d21b989dd7d2c6da416f3330e9dea3
[INFO] running `Command { std: "docker" "start" "-a" "9dfbc4d914fadcfb04fabf772a0e5b6021d21b989dd7d2c6da416f3330e9dea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dfbc4d914fadcfb04fabf772a0e5b6021d21b989dd7d2c6da416f3330e9dea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dfbc4d914fadcfb04fabf772a0e5b6021d21b989dd7d2c6da416f3330e9dea3", kill_on_drop: false }`
[INFO] [stdout] 9dfbc4d914fadcfb04fabf772a0e5b6021d21b989dd7d2c6da416f3330e9dea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 03cdff85a747b80449bf687dd1c89a6550dcb53c3591ec47fc4051bcb6771dcf
[INFO] running `Command { std: "docker" "start" "-a" "03cdff85a747b80449bf687dd1c89a6550dcb53c3591ec47fc4051bcb6771dcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking proc-macro2 v1.0.103
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling bae v0.1.7
[INFO] [stderr]     Checking actix-admin-macros v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/struct_fields.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     .and_then(|attr_field| LitStr::from(attr_field).value().parse().ok());
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `actix-admin-macros` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/struct_fields.rs:52:44
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     .and_then(|attr_field| LitStr::from(attr_field).value().parse().ok());
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `actix-admin-macros` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "03cdff85a747b80449bf687dd1c89a6550dcb53c3591ec47fc4051bcb6771dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03cdff85a747b80449bf687dd1c89a6550dcb53c3591ec47fc4051bcb6771dcf", kill_on_drop: false }`
[INFO] [stdout] 03cdff85a747b80449bf687dd1c89a6550dcb53c3591ec47fc4051bcb6771dcf