[INFO] fetching crate const-writer 0.1.1...
[INFO] testing const-writer-0.1.1 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate const-writer 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate const-writer 0.1.1 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const-writer 0.1.1
[INFO] finished tweaking crates.io crate const-writer 0.1.1
[INFO] tweaked toml for crates.io crate const-writer 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate const-writer 0.1.1 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0447ed131dc6c5f9cf421742b8eb01c5e4966fbb694616e99374164bffab46c2
[INFO] running `Command { std: "docker" "start" "-a" "0447ed131dc6c5f9cf421742b8eb01c5e4966fbb694616e99374164bffab46c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0447ed131dc6c5f9cf421742b8eb01c5e4966fbb694616e99374164bffab46c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0447ed131dc6c5f9cf421742b8eb01c5e4966fbb694616e99374164bffab46c2", kill_on_drop: false }`
[INFO] [stdout] 0447ed131dc6c5f9cf421742b8eb01c5e4966fbb694616e99374164bffab46c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee912ed172f9a3a436b9867dbed1e358b9bdab23a40f413f0fdbfcc513372a5c
[INFO] running `Command { std: "docker" "start" "-a" "ee912ed172f9a3a436b9867dbed1e358b9bdab23a40f413f0fdbfcc513372a5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling const-writer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_evaluatable_checked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `generic_const_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 136 |     implement_write!(write_u8_le, u8, to_le_bytes);
[INFO] [stdout]     |     ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 137 |     implement_write!(write_u16_le, u16, to_le_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 138 |     implement_write!(write_u32_le, u32, to_le_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 139 |     implement_write!(write_u64_le, u64, to_le_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 140 |     implement_write!(write_u128_le, u128, to_le_bytes);
[INFO] [stdout]     |     -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 142 |     implement_write!(write_i8_le, i8, to_le_bytes);
[INFO] [stdout]     |     ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 143 |     implement_write!(write_i16_le, i16, to_le_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 144 |     implement_write!(write_i32_le, i32, to_le_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 145 |     implement_write!(write_i64_le, i64, to_le_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 146 |     implement_write!(write_i128_le, i128, to_le_bytes);
[INFO] [stdout]     |     -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 148 |     implement_write!(write_u8_be, u8, to_be_bytes);
[INFO] [stdout]     |     ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 149 |     implement_write!(write_u16_be, u16, to_be_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 150 |     implement_write!(write_u32_be, u32, to_be_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 151 |     implement_write!(write_u64_be, u64, to_be_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 152 |     implement_write!(write_u128_be, u128, to_be_bytes);
[INFO] [stdout]     |     -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 154 |     implement_write!(write_i8_be, i8, to_be_bytes);
[INFO] [stdout]     |     ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 155 |     implement_write!(write_i16_be, i16, to_be_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 156 |     implement_write!(write_i32_be, i32, to_be_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 157 |     implement_write!(write_i64_be, i64, to_be_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 158 |     implement_write!(write_i128_be, i128, to_be_bytes);
[INFO] [stdout]     |     -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 160 |     implement_write!(write_f32_be, f32, to_be_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 161 |     implement_write!(write_f64_be, f64, to_be_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 163 |     implement_write!(write_f32_le, f32, to_le_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:101:60
[INFO] [stdout]     |
[INFO] [stdout] 101 |         pub fn $name(self, value: $type) ->ConstWriter<T, {N - core::mem::size_of::<$type>()}> {
[INFO] [stdout]     |                                                            ^ cannot perform const operation using `N`
[INFO] [stdout] ...
[INFO] [stdout] 164 |     implement_write!(write_f64_le, f64, to_le_bytes);
[INFO] [stdout]     |     ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout]     = note: this error originates in the macro `implement_write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:173:83
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn write_slice<const M: usize>(self, value: &[u8; M]) -> ConstWriter<T, { N-M }> {
[INFO] [stdout]     |                                                                                   ^ cannot perform const operation using `N`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `N`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]    --> src/lib.rs:173:85
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn write_slice<const M: usize>(self, value: &[u8; M]) -> ConstWriter<T, { N-M }> {
[INFO] [stdout]     |                                                                                     ^ cannot perform const operation using `M`
[INFO] [stdout]     |
[INFO] [stdout]     = help: const parameters may only be used as standalone arguments, i.e. `M`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_name_of_val)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 30 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const-writer` (lib) due to 31 previous errors
[INFO] running `Command { std: "docker" "inspect" "ee912ed172f9a3a436b9867dbed1e358b9bdab23a40f413f0fdbfcc513372a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee912ed172f9a3a436b9867dbed1e358b9bdab23a40f413f0fdbfcc513372a5c", kill_on_drop: false }`
[INFO] [stdout] ee912ed172f9a3a436b9867dbed1e358b9bdab23a40f413f0fdbfcc513372a5c
