[INFO] fetching crate for_any 0.0.1-beta.0...
[INFO] testing for_any-0.0.1-beta.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate for_any 0.0.1-beta.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate for_any 0.0.1-beta.0
[INFO] finished tweaking crates.io crate for_any 0.0.1-beta.0
[INFO] tweaked toml for crates.io crate for_any 0.0.1-beta.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate for_any 0.0.1-beta.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.13.4 (available: v0.21.3)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.9.7
[INFO] [stderr]   Downloaded toml_parser v1.0.3
[INFO] [stderr]   Downloaded serde_spanned v1.0.2
[INFO] [stderr]   Downloaded termcolor v1.4.1
[INFO] [stderr]   Downloaded winapi-util v0.1.11
[INFO] [stderr]   Downloaded toml_datetime v0.7.2
[INFO] [stderr]   Downloaded trybuild v1.0.111
[INFO] [stderr]   Downloaded glob v0.3.3
[INFO] [stderr]   Downloaded windows-link v0.2.0
[INFO] [stderr]   Downloaded darling_macro v0.13.4
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded darling_core v0.13.4
[INFO] [stderr]   Downloaded darling v0.13.4
[INFO] [stderr]   Downloaded target-triple v0.1.4
[INFO] [stderr]   Downloaded toml_writer v1.0.3
[INFO] [stderr]   Downloaded serde_json v1.0.145
[INFO] [stderr]   Downloaded syn v1.0.109
[INFO] [stderr]   Downloaded windows-sys v0.61.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75cc0ee5c3ff3b4c0425a0d23c924017cc2c288df142468fa158587cbe215249
[INFO] running `Command { std: "docker" "start" "-a" "75cc0ee5c3ff3b4c0425a0d23c924017cc2c288df142468fa158587cbe215249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75cc0ee5c3ff3b4c0425a0d23c924017cc2c288df142468fa158587cbe215249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cc0ee5c3ff3b4c0425a0d23c924017cc2c288df142468fa158587cbe215249", kill_on_drop: false }`
[INFO] [stdout] 75cc0ee5c3ff3b4c0425a0d23c924017cc2c288df142468fa158587cbe215249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 027aebbe735d3158c8bd215f2fa62cc81844f0686aa2a076f9fa59fc9313c411
[INFO] running `Command { std: "docker" "start" "-a" "027aebbe735d3158c8bd215f2fa62cc81844f0686aa2a076f9fa59fc9313c411", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling for_any v0.0.1-beta.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_into_ok_or_err, result_flattening)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(exact_size_is_empty)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `result_flattening` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_into_ok_or_err, result_flattening)]
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `result_into_ok_or_err`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_into_ok_or_err, result_flattening)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_ok_or_err` found for enum `Result` in the current scope
[INFO] [stdout]   --> src/lib.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | /     ForAnyInput::from_derive_input(&input)
[INFO] [stdout] 29 | |         .map(ForAnyInput::generate_output)
[INFO] [stdout] 30 | |         .map_err(|err| err.write_errors())
[INFO] [stdout] 31 | |         .flatten()
[INFO] [stdout] 32 | |         .into_ok_or_err()
[INFO] [stdout]    | |         -^^^^^^^^^^^^^^ method not found in `Result<TokenStream2, TokenStream2>`
[INFO] [stdout]    | |_________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `for_any` (lib) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "027aebbe735d3158c8bd215f2fa62cc81844f0686aa2a076f9fa59fc9313c411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027aebbe735d3158c8bd215f2fa62cc81844f0686aa2a076f9fa59fc9313c411", kill_on_drop: false }`
[INFO] [stdout] 027aebbe735d3158c8bd215f2fa62cc81844f0686aa2a076f9fa59fc9313c411
