[INFO] fetching crate validbr 0.2.1...
[INFO] checking validbr-0.2.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate validbr 0.2.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate validbr 0.2.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate validbr 0.2.1
[INFO] finished tweaking crates.io crate validbr 0.2.1
[INFO] tweaked toml for crates.io crate validbr 0.2.1 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25f1a8a3e3afadb94f06ea82ddeb03d65fb82254edd449312f3b95f01bc5dd1b
[INFO] running `Command { std: "docker" "start" "-a" "25f1a8a3e3afadb94f06ea82ddeb03d65fb82254edd449312f3b95f01bc5dd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25f1a8a3e3afadb94f06ea82ddeb03d65fb82254edd449312f3b95f01bc5dd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f1a8a3e3afadb94f06ea82ddeb03d65fb82254edd449312f3b95f01bc5dd1b", kill_on_drop: false }`
[INFO] [stdout] 25f1a8a3e3afadb94f06ea82ddeb03d65fb82254edd449312f3b95f01bc5dd1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=forbid" "-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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a83aed3608ab4651d9bf4ac17902ca64e58bad8a35968af49f09d55267bfa01
[INFO] running `Command { std: "docker" "start" "-a" "0a83aed3608ab4651d9bf4ac17902ca64e58bad8a35968af49f09d55267bfa01", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking validbr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 | #![feature(const_evaluatable_checked, const_generics, const_panic)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: renamed to `generic_const_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:99:39
[INFO] [stdout]    |
[INFO] [stdout] 99 | #![feature(const_evaluatable_checked, const_generics, const_panic)]
[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:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 | #![feature(const_evaluatable_checked, const_generics, const_panic)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: renamed to `generic_const_exprs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:99:39
[INFO] [stdout]    |
[INFO] [stdout] 99 | #![feature(const_evaluatable_checked, const_generics, const_panic)]
[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: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn append(self, element: T) -> [T; S + 1];
[INFO] [stdout]    |                                        ^ cannot perform const operation using `S`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `S`
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:29:65
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn append_array<const N: usize>(self, array: [T; N]) -> [T; S + N];
[INFO] [stdout]    |                                                                 ^ cannot perform const operation using `S`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `S`
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:29:69
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn append_array<const N: usize>(self, array: [T; N]) -> [T; S + N];
[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]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:36:40
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn append(self, element: T) -> [T; S + 1] {
[INFO] [stdout]    |                                        ^ cannot perform const operation using `S`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `S`
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:44:33
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let n_array: Result<[T; S + 1], _> = vec.try_into();
[INFO] [stdout]    |                                 ^ cannot perform const operation using `S`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `S`
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:52:65
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn append_array<const N: usize>(self, array: [T; N]) -> [T; S + N] {
[INFO] [stdout]    |                                                                 ^ cannot perform const operation using `S`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `S`
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:52:69
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn append_array<const N: usize>(self, array: [T; N]) -> [T; S + N] {
[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]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let n_array: Result<[T; S + N], _> = vec.try_into();
[INFO] [stdout]    |                                 ^ cannot perform const operation using `S`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `S`
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:60:37
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let n_array: Result<[T; S + N], _> = vec.try_into();
[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]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:28:40
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn append(self, element: T) -> [T; S + 1];
[INFO] [stdout]    |                                        ^ cannot perform const operation using `S`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `S`
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:29:65
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn append_array<const N: usize>(self, array: [T; N]) -> [T; S + N];
[INFO] [stdout]    |                                                                 ^ cannot perform const operation using `S`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `S`
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:29:69
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn append_array<const N: usize>(self, array: [T; N]) -> [T; S + N];
[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]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:36:40
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn append(self, element: T) -> [T; S + 1] {
[INFO] [stdout]    |                                        ^ cannot perform const operation using `S`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `S`
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:44:33
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let n_array: Result<[T; S + 1], _> = vec.try_into();
[INFO] [stdout]    |                                 ^ cannot perform const operation using `S`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `S`
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:52:65
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn append_array<const N: usize>(self, array: [T; N]) -> [T; S + N] {
[INFO] [stdout]    |                                                                 ^ cannot perform const operation using `S`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `S`
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:52:69
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn append_array<const N: usize>(self, array: [T; N]) -> [T; S + N] {
[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]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let n_array: Result<[T; S + N], _> = vec.try_into();
[INFO] [stdout]    |                                 ^ cannot perform const operation using `S`
[INFO] [stdout]    |
[INFO] [stdout]    = help: const parameters may only be used as standalone arguments, i.e. `S`
[INFO] [stdout]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: generic parameters may not be used in const operations
[INFO] [stdout]   --> src/append.rs:60:37
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let n_array: Result<[T; S + N], _> = vec.try_into();
[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]    = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `validbr` due to 12 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0a83aed3608ab4651d9bf4ac17902ca64e58bad8a35968af49f09d55267bfa01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a83aed3608ab4651d9bf4ac17902ca64e58bad8a35968af49f09d55267bfa01", kill_on_drop: false }`
[INFO] [stdout] 0a83aed3608ab4651d9bf4ac17902ca64e58bad8a35968af49f09d55267bfa01