[INFO] fetching crate darkly 0.2.0...
[INFO] testing darkly-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate darkly 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate darkly 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate darkly 0.2.0
[INFO] tweaked toml for crates.io crate darkly 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate darkly 0.2.0 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 5 packages to latest compatible versions
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darkly-macros v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 08785bd6a754781fa775d20a3abfe239ca3c30c10b48a58b2d087fb54fa453d3
[INFO] running `Command { std: "docker" "start" "-a" "08785bd6a754781fa775d20a3abfe239ca3c30c10b48a58b2d087fb54fa453d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08785bd6a754781fa775d20a3abfe239ca3c30c10b48a58b2d087fb54fa453d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08785bd6a754781fa775d20a3abfe239ca3c30c10b48a58b2d087fb54fa453d3", kill_on_drop: false }`
[INFO] [stdout] 08785bd6a754781fa775d20a3abfe239ca3c30c10b48a58b2d087fb54fa453d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a4be22f976050fc18b6e411624d31a67c23c04693c9ac6af960c12abc91065ae
[INFO] running `Command { std: "docker" "start" "-a" "a4be22f976050fc18b6e411624d31a67c23c04693c9ac6af960c12abc91065ae", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling darkly-macros v0.2.0
[INFO] [stderr]    Compiling darkly v0.2.0 (/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(pattern)]
[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(type_ascription)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate as darkly`
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use crate as darkly;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]    --> src/lib.rs:145:22
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn expect<'a, P: Pattern<'a>>(&'a mut self, p: P) -> Result<usize, String> {
[INFO] [stdout]     |                      ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]   --> src/lib.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn expect<'a, P: Pattern<'a>>(&'a mut self, p: P) -> Result<usize, String>;
[INFO] [stdout]    |                      ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]    --> src/lib.rs:209:27
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn scan_str_to<'a, P: Pattern<'a>>(&'a mut self, result: &mut str, next: P) -> Result<usize, String> {
[INFO] [stdout]     |                           ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]   --> src/lib.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn scan_str_to<'a, P: Pattern<'a>>(&'a mut self, result: &mut str, next: P) -> Result<usize, String>;
[INFO] [stdout]    |                           ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]    --> src/lib.rs:244:35
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn scan_to<'a, T: FromStr, P: Pattern<'a>>(&'a mut self, next: P) -> Result<T, String> {
[INFO] [stdout]     |                                   ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]   --> src/lib.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn scan_to<'a, T: FromStr, P: Pattern<'a>>(&'a mut self, next: P) -> Result<T, String>;
[INFO] [stdout]    |                                   ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied
[INFO] [stdout]   --> src/lib.rs:52:42
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn scan_de_to<'a, T: Deserialize, P: Pattern<'a>>(&'a mut self, _next: P) -> Result<T, String> { unimplemented!(); }
[INFO] [stdout]    |                                          ^^^^^^^---- help: remove the unnecessary generics
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          expected 0 lifetime arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `darkly` (lib) due to 10 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a4be22f976050fc18b6e411624d31a67c23c04693c9ac6af960c12abc91065ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4be22f976050fc18b6e411624d31a67c23c04693c9ac6af960c12abc91065ae", kill_on_drop: false }`
[INFO] [stdout] a4be22f976050fc18b6e411624d31a67c23c04693c9ac6af960c12abc91065ae
