[INFO] updating cached repository https://github.com/danielbank/rust-const-generics
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[INFO] [stdout] e75010476b4a3c761bfc603f6819e131c2b723bd
[INFO] checking danielbank/rust-const-generics/e75010476b4a3c761bfc603f6819e131c2b723bd against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielbank%2Frust-const-generics" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
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[INFO] validating manifest of git repo https://github.com/danielbank/rust-const-generics on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danielbank/rust-const-generics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking danielbank/rust-const-generics/e75010476b4a3c761bfc603f6819e131c2b723bd against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielbank%2Frust-const-generics" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/danielbank/rust-const-generics on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/danielbank/rust-const-generics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking danielbank/rust-const-generics/e75010476b4a3c761bfc603f6819e131c2b723bd against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielbank%2Frust-const-generics" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/danielbank/rust-const-generics on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb
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[INFO] crate git repo https://github.com/danielbank/rust-const-generics already has a lockfile, it will not be regenerated
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[INFO] [stdout] a263a956389839b95e26cff50a2e49d56a6934b1d569c1266b10370c4ac61d7e
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[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking scopeguard v1.1.0
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[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> examples/state.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in 1.56.0; see <https://github.com/rust-lang/rust/pull/88369> for more information
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `&'static str` is forbidden as the type of a const generic parameter
[INFO] [stdout]  --> examples/state.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct State<const S: &'static str> {
[INFO] [stdout]   |                       ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the only supported types are integers, `bool`, and `char`
[INFO] [stdout] help: add `#![feature(adt_const_params)]` to the crate attributes to enable more complex and user defined types
[INFO] [stdout]   |
[INFO] [stdout] 3 + #![feature(adt_const_params)]
[INFO] [stdout]   |
[INFO] [stdout] help: add `#![feature(unsized_const_params)]` to the crate attributes to enable references to implement the `ConstParamTy` trait
[INFO] [stdout]   |
[INFO] [stdout] 3 + #![feature(unsized_const_params)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> examples/rectangle.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct RectangularArray<T, const WIDTH: usize, const HEIGHT: usize> {
[INFO] [stdout]   |        ---------------- field in this struct
[INFO] [stdout] 5 |     data: [[T; WIDTH]; HEIGHT],
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RectangularArray` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width`, `height`, and `data` are never read
[INFO] [stdout]  --> examples/rectangle_no_const_generic.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct RectangularArray<T> {
[INFO] [stdout]   |        ---------------- fields in this struct
[INFO] [stdout] 3 |     width: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     height: usize,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     data: Vec<Vec<T>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RectangularArray` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-const-generics` (example "state") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
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[INFO] [stdout] a263a956389839b95e26cff50a2e49d56a6934b1d569c1266b10370c4ac61d7e