[INFO] fetching crate force_copy 0.0.1...
[INFO] testing force_copy-0.0.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate force_copy 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate force_copy 0.0.1
[INFO] finished tweaking crates.io crate force_copy 0.0.1
[INFO] tweaked toml for crates.io crate force_copy 0.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate force_copy 0.0.1 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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 29dfc1f26dfe04846bf897f9c057a9a6fb5072d1fa6a535c5126fd5cc7b9b286
[INFO] running `Command { std: "docker" "start" "29dfc1f26dfe04846bf897f9c057a9a6fb5072d1fa6a535c5126fd5cc7b9b286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29dfc1f26dfe04846bf897f9c057a9a6fb5072d1fa6a535c5126fd5cc7b9b286", 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" "29dfc1f26dfe04846bf897f9c057a9a6fb5072d1fa6a535c5126fd5cc7b9b286" "/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" "29dfc1f26dfe04846bf897f9c057a9a6fb5072d1fa6a535c5126fd5cc7b9b286", 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" "29dfc1f26dfe04846bf897f9c057a9a6fb5072d1fa6a535c5126fd5cc7b9b286" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling force_copy v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![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[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(const_evaluatable_checked)]
[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: 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:12:56
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ForceCopy<T> where [(); std::mem::size_of::<T>() ]: {
[INFO] [stdout]    |                                                        ^ cannot perform const operation using `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/lib.rs:13:48
[INFO] [stdout]    |
[INFO] [stdout] 13 |     raw: [MaybeUninit<u8>; std::mem::size_of::<T>() ],
[INFO] [stdout]    |                                                ^ cannot perform const operation using `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/lib.rs:17:62
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T> Copy for ForceCopy<T> where [(); std::mem::size_of::<T>() ]: {}
[INFO] [stdout]    |                                                              ^ cannot perform const operation using `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/lib.rs:18:63
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<T> Clone for ForceCopy<T> where [(); std::mem::size_of::<T>() ]: {
[INFO] [stdout]    |                                                               ^ cannot perform const operation using `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/lib.rs:22:53
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T> ForceCopy<T> where [(); std::mem::size_of::<T>() ]: {
[INFO] [stdout]    |                                                     ^ cannot perform const operation using `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: type parameters may not be used in const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_panic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `const_panic` has been stable since `1.57.0` and no longer requires an attribute to enable
[INFO] [stdout]   = help: the feature `inline_const` has been stable since `1.79.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_panic` has been stable since 1.57.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_panic)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inline_const` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(inline_const)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[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 `force_copy` (lib) due to 8 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "29dfc1f26dfe04846bf897f9c057a9a6fb5072d1fa6a535c5126fd5cc7b9b286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29dfc1f26dfe04846bf897f9c057a9a6fb5072d1fa6a535c5126fd5cc7b9b286", kill_on_drop: false }`
[INFO] [stdout] 29dfc1f26dfe04846bf897f9c057a9a6fb5072d1fa6a535c5126fd5cc7b9b286
