[INFO] fetching crate asterix 0.4.0...
[INFO] checking asterix-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate asterix 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate asterix 0.4.0
[INFO] finished tweaking crates.io crate asterix 0.4.0
[INFO] tweaked toml for crates.io crate asterix 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate asterix 0.4.0 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 29 packages to latest compatible versions
[INFO] [stderr]       Adding deku v0.16.0 (available: v0.20.0)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d4cfb022576175d84a664098f1ecf48b1d8fb1c0e605197a6f7d5d4cdcf125db
[INFO] running `Command { std: "docker" "start" "-a" "d4cfb022576175d84a664098f1ecf48b1d8fb1c0e605197a6f7d5d4cdcf125db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4cfb022576175d84a664098f1ecf48b1d8fb1c0e605197a6f7d5d4cdcf125db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4cfb022576175d84a664098f1ecf48b1d8fb1c0e605197a6f7d5d4cdcf125db", kill_on_drop: false }`
[INFO] [stdout] d4cfb022576175d84a664098f1ecf48b1d8fb1c0e605197a6f7d5d4cdcf125db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9d89b1db377d0329582ee896d2f91300c267c605c6ea62bd3abebe64916170bd
[INFO] running `Command { std: "docker" "start" "-a" "9d89b1db377d0329582ee896d2f91300c267c605c6ea62bd3abebe64916170bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]     Checking assert_hex v0.4.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling asterix-derive v0.4.0
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling deku_derive v0.16.0
[INFO] [stderr]     Checking deku v0.16.0
[INFO] [stderr]     Checking asterix v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/lib.rs:77:37
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Debug, Default, PartialEq, DekuRead, DekuWrite)]
[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<usize, Infallible>
[INFO] [stdout]   --> src/lib.rs:77:37
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Debug, Default, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/lib.rs:77:37
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Debug, Default, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]   --> src/lib.rs:77:47
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Debug, Default, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]    |                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> src/lib.rs:77:47
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Debug, Default, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]    |                                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `DekuWrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/lib.rs:77:37
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Debug, Default, PartialEq, DekuRead, DekuWrite)]
[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<usize, Infallible>
[INFO] [stdout]   --> src/lib.rs:77:37
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Debug, Default, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]   --> src/lib.rs:77:37
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Debug, Default, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, u16>
[INFO] [stdout]   --> src/lib.rs:77:47
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Debug, Default, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]    |                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]   --> src/lib.rs:77:47
[INFO] [stdout]    |
[INFO] [stdout] 77 | #[derive(Debug, Default, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]    |                                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `DekuWrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/data_item.rs:272:28
[INFO] [stdout]     |
[INFO] [stdout] 272 | #[derive(Debug, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/data_item.rs:272:28
[INFO] [stdout]     |
[INFO] [stdout] 272 | #[derive(Debug, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/data_item.rs:272:28
[INFO] [stdout]     |
[INFO] [stdout] 272 | #[derive(Debug, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/data_item.rs:272:28
[INFO] [stdout]     |
[INFO] [stdout] 272 | #[derive(Debug, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/data_item.rs:939:28
[INFO] [stdout]     |
[INFO] [stdout] 939 | #[derive(Debug, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/data_item.rs:939:28
[INFO] [stdout]     |
[INFO] [stdout] 939 | #[derive(Debug, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, usize>
[INFO] [stdout]    --> src/data_item.rs:939:28
[INFO] [stdout]     |
[INFO] [stdout] 939 | #[derive(Debug, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/data_item.rs:939:28
[INFO] [stdout]     |
[INFO] [stdout] 939 | #[derive(Debug, PartialEq, DekuRead, DekuWrite)]
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the derive macro `DekuRead` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asterix` (lib test) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `asterix` (lib) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "9d89b1db377d0329582ee896d2f91300c267c605c6ea62bd3abebe64916170bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d89b1db377d0329582ee896d2f91300c267c605c6ea62bd3abebe64916170bd", kill_on_drop: false }`
[INFO] [stdout] 9d89b1db377d0329582ee896d2f91300c267c605c6ea62bd3abebe64916170bd
