[INFO] fetching crate diesel_async_migrations 0.15.0...
[INFO] checking diesel_async_migrations-0.15.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate diesel_async_migrations 0.15.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate diesel_async_migrations 0.15.0
[INFO] finished tweaking crates.io crate diesel_async_migrations 0.15.0
[INFO] tweaked toml for crates.io crate diesel_async_migrations 0.15.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate diesel_async_migrations 0.15.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding diesel v2.2.12 (available: v2.3.3)
[INFO] [stderr]       Adding diesel-async v0.5.2 (available: v0.7.4)
[INFO] [stderr]       Adding diesel_derives v2.2.7 (available: v2.3.4)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 971bf5975841176b0c39c2d459069e395de9dd25ed1db804e04779398b262a49
[INFO] running `Command { std: "docker" "start" "-a" "971bf5975841176b0c39c2d459069e395de9dd25ed1db804e04779398b262a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "971bf5975841176b0c39c2d459069e395de9dd25ed1db804e04779398b262a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971bf5975841176b0c39c2d459069e395de9dd25ed1db804e04779398b262a49", kill_on_drop: false }`
[INFO] [stdout] 971bf5975841176b0c39c2d459069e395de9dd25ed1db804e04779398b262a49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a10485e6c6df7b1e2f1b1b94e77c18de512a370fad19ab8fab4f80f78fdedff8
[INFO] running `Command { std: "docker" "start" "-a" "a10485e6c6df7b1e2f1b1b94e77c18de512a370fad19ab8fab4f80f78fdedff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling diesel_async_migrations_macros v0.12.0
[INFO] [stderr]     Checking scoped-futures v0.1.4
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling diesel_table_macro_syntax v0.2.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling darling_macro v0.20.11
[INFO] [stderr]    Compiling darling v0.20.11
[INFO] [stderr]    Compiling dsl_auto_type v0.1.3
[INFO] [stderr]    Compiling diesel_derives v2.2.7
[INFO] [stderr]     Checking diesel v2.2.12
[INFO] [stderr]     Checking diesel-async v0.5.2
[INFO] [stderr]     Checking diesel_async_migrations v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, String>
[INFO] [stdout]    --> src/lib.rs:180:10
[INFO] [stdout]     |
[INFO] [stdout] 180 | #[derive(Queryable)]
[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: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:180:10
[INFO] [stdout]     |
[INFO] [stdout] 180 | #[derive(Queryable)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Queryable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diesel_async_migrations` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<std::result::Result<Infallible, Infallible>, String>
[INFO] [stdout]    --> src/lib.rs:180:10
[INFO] [stdout]     |
[INFO] [stdout] 180 | #[derive(Queryable)]
[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: std::result::Result<String, Infallible>
[INFO] [stdout]    --> src/lib.rs:180:10
[INFO] [stdout]     |
[INFO] [stdout] 180 | #[derive(Queryable)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `Queryable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diesel_async_migrations` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a10485e6c6df7b1e2f1b1b94e77c18de512a370fad19ab8fab4f80f78fdedff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10485e6c6df7b1e2f1b1b94e77c18de512a370fad19ab8fab4f80f78fdedff8", kill_on_drop: false }`
[INFO] [stdout] a10485e6c6df7b1e2f1b1b94e77c18de512a370fad19ab8fab4f80f78fdedff8