[INFO] fetching crate definitive 0.1.0...
[INFO] testing definitive-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate definitive 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate definitive 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/rust-toolchain
[INFO] started tweaking crates.io crate definitive 0.1.0
[INFO] finished tweaking crates.io crate definitive 0.1.0
[INFO] tweaked toml for crates.io crate definitive 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bcb491e639fa754541811cc36ae154b387d361e4de0efeec4009381b6ecd911
[INFO] running `Command { std: "docker" "start" "-a" "9bcb491e639fa754541811cc36ae154b387d361e4de0efeec4009381b6ecd911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bcb491e639fa754541811cc36ae154b387d361e4de0efeec4009381b6ecd911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcb491e639fa754541811cc36ae154b387d361e4de0efeec4009381b6ecd911", kill_on_drop: false }`
[INFO] [stdout] 9bcb491e639fa754541811cc36ae154b387d361e4de0efeec4009381b6ecd911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd7cc755587cd906454d3fbad8ca7adf87bf2aba250a1a91017d24293fe9f3c7
[INFO] running `Command { std: "docker" "start" "-a" "dd7cc755587cd906454d3fbad8ca7adf87bf2aba250a1a91017d24293fe9f3c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling definitive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: generic parameters with a default must be trailing
[INFO] [stdout]   --> src/lib.rs:70:19
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct Vector<T = f32, const N: usize>([T; { N }]);
[INFO] [stdout]    |                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using type defaults and const parameters in the same parameter list is currently not permitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![feature(const_generics, specialization, trivial_bounds)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]  --> src/deref.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 |     type Target = [T; { N }];
[INFO] [stdout]   |                       ^^^^^ help: remove these braces
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/traits.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut inner: [T; { N }] = unsafe { core::mem::zeroed() };
[INFO] [stdout]    |                            ^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/traits.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut inner: [T; { N }] = unsafe { core::mem::zeroed() };
[INFO] [stdout]    |                            ^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]  --> src/vector.rs:9:32
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(components: [T; { N }]) -> Self {
[INFO] [stdout]   |                                ^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/vector.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut inner: [T; { M }] = unsafe { core::mem::zeroed() };
[INFO] [stdout]    |                            ^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/lib.rs:70:48
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct Vector<T = f32, const N: usize>([T; { N }]);
[INFO] [stdout]    |                                                ^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/lib.rs:72:34
[INFO] [stdout]    |
[INFO] [stdout] 72 | impl<T, const N: usize> From<[T; { N }]> for Vector<T, { N }> {
[INFO] [stdout]    |                                  ^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/lib.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn from(v: [T; { N }]) -> Self {
[INFO] [stdout]    |                    ^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `definitive` due to 3 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dd7cc755587cd906454d3fbad8ca7adf87bf2aba250a1a91017d24293fe9f3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd7cc755587cd906454d3fbad8ca7adf87bf2aba250a1a91017d24293fe9f3c7", kill_on_drop: false }`
[INFO] [stdout] dd7cc755587cd906454d3fbad8ca7adf87bf2aba250a1a91017d24293fe9f3c7