[INFO] fetching crate zdex 0.3.1...
[INFO] testing zdex-0.3.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate zdex 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate zdex 0.3.1
[INFO] finished tweaking crates.io crate zdex 0.3.1
[INFO] tweaked toml for crates.io crate zdex 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zdex 0.3.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to highest compatible versions
[INFO] [stderr]       Adding psm v0.1.24 (available: v0.1.32)
[INFO] [stderr]       Adding vob v2.0.6 (available: v4.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | homepage = "https://github.com/blakehawkins/zdex"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 | repository = "https://github.com/blakehawkins/zdex"
[INFO] [stderr]    |              --------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `zdex` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1
[INFO] running `Command { std: "docker" "start" "0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | homepage = "https://github.com/blakehawkins/zdex"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 | repository = "https://github.com/blakehawkins/zdex"
[INFO] [stderr]    |              --------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `zdex` (manifest) generated 1 warning
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling semver-parser v0.10.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling vob v2.0.6
[INFO] [stderr]    Compiling bit_collection_derive v0.2.2
[INFO] [stderr]    Compiling bit_collection v0.2.3
[INFO] [stderr]    Compiling zdex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:250:3
[INFO] [stdout]     |
[INFO] [stdout] 250 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 251 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]     = note: `#[warn(legacy_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:255:3
[INFO] [stdout]     |
[INFO] [stdout] 255 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 256 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:260:3
[INFO] [stdout]     |
[INFO] [stdout] 260 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 261 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:265:3
[INFO] [stdout]     |
[INFO] [stdout] 265 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 266 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:270:3
[INFO] [stdout]     |
[INFO] [stdout] 270 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 271 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.58s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.11.11, zdex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | homepage = "https://github.com/blakehawkins/zdex"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 | repository = "https://github.com/blakehawkins/zdex"
[INFO] [stderr]    |              --------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `zdex` (manifest) generated 1 warning
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:250:3
[INFO] [stdout]     |
[INFO] [stdout] 250 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 251 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]     = note: `#[warn(legacy_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:255:3
[INFO] [stdout]     |
[INFO] [stdout] 255 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 256 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:260:3
[INFO] [stdout]     |
[INFO] [stdout] 260 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 261 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:265:3
[INFO] [stdout]     |
[INFO] [stdout] 265 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 266 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:270:3
[INFO] [stdout]     |
[INFO] [stdout] 270 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 271 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zdex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:250:3
[INFO] [stdout]     |
[INFO] [stdout] 250 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 251 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]     = note: `#[warn(legacy_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:255:3
[INFO] [stdout]     |
[INFO] [stdout] 255 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 256 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:260:3
[INFO] [stdout]     |
[INFO] [stdout] 260 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 261 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:265:3
[INFO] [stdout]     |
[INFO] [stdout] 265 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 266 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]    --> src/lib.rs:270:3
[INFO] [stdout]     |
[INFO] [stdout] 270 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 271 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stdout]     |                       ------------- the attribute is introduced here
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.91s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.11.11, zdex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | homepage = "https://github.com/blakehawkins/zdex"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 | repository = "https://github.com/blakehawkins/zdex"
[INFO] [stderr]    |              --------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `zdex` (manifest) generated 1 warning
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]    --> src/lib.rs:250:3
[INFO] [stderr]     |
[INFO] [stderr] 250 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 251 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stderr]     |                       ------------- the attribute is introduced here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr]     = note: `#[warn(legacy_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]    --> src/lib.rs:255:3
[INFO] [stderr]     |
[INFO] [stderr] 255 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 256 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stderr]     |                       ------------- the attribute is introduced here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]    --> src/lib.rs:260:3
[INFO] [stderr]     |
[INFO] [stderr] 260 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 261 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stderr]     |                       ------------- the attribute is introduced here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]    --> src/lib.rs:265:3
[INFO] [stderr]     |
[INFO] [stderr] 265 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 266 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stderr]     |                       ------------- the attribute is introduced here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]    --> src/lib.rs:270:3
[INFO] [stderr]     |
[INFO] [stderr] 270 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stderr]     |   ^^^
[INFO] [stderr] 271 | #[derive(Copy, Clone, BitCollection, Debug)]
[INFO] [stderr]     |                       ------------- the attribute is introduced here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: `zdex` (lib) generated 5 warnings
[INFO] [stderr] warning: `zdex` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.11.11, zdex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/zdex/f810b12b8aa4b303/out/zdex-f810b12b8aa4b303)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests zdex
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::iter_works ... ok
[INFO] [stdout] test tests::tupl_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 61) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 29) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 61) stdout ----
[INFO] [stdout] error: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/lib.rs:67:3
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 68 | #[derive(BitCollection, Clone, Copy, Debug)]
[INFO] [stdout]    |          ------------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]    = note: `#[deny(legacy_derive_helpers)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 29) stdout ----
[INFO] [stdout] error: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/lib.rs:34:3
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[bit(BitU8, mask = "!0", retr = "0")]
[INFO] [stdout]    |   ^^^
[INFO] [stdout] 35 | #[derive(BitCollection, Clone, Copy, Debug)]
[INFO] [stdout]    |          ------------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]    = note: `#[deny(legacy_derive_helpers)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021
[INFO] [stdout]   --> src/lib.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |         .into_iter()
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 40 -         .into_iter()
[INFO] [stdout] 40 +         .iter()
[INFO] [stdout]    |
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 39 -     let vals: Vec<BigVal> = [BigVal(1u128 << 90)]
[INFO] [stdout] 40 -         .into_iter()
[INFO] [stdout] 39 +     let vals: Vec<BigVal> = IntoIterator::into_iter([BigVal(1u128 << 90)])
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 29)
[INFO] [stdout]     src/lib.rs - (line 61)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1", kill_on_drop: false }`
[INFO] [stdout] 0202fdcb6b73c3649c00a982e8f2f68de825ead57c1923aba75c71e31af242c1
