[INFO] fetching crate deep_flat 0.1.2...
[INFO] testing deep_flat-0.1.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate deep_flat 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate deep_flat 0.1.2
[INFO] finished tweaking crates.io crate deep_flat 0.1.2
[INFO] tweaked toml for crates.io crate deep_flat 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate deep_flat 0.1.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate deep_flat 0.1.2 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deep_flatten_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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] 89fa08154175839db5d2cc3f222a7a22e80193a1a80cb028b2b2ff29313c8fc8
[INFO] running `Command { std: "docker" "start" "89fa08154175839db5d2cc3f222a7a22e80193a1a80cb028b2b2ff29313c8fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89fa08154175839db5d2cc3f222a7a22e80193a1a80cb028b2b2ff29313c8fc8", 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" "89fa08154175839db5d2cc3f222a7a22e80193a1a80cb028b2b2ff29313c8fc8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89fa08154175839db5d2cc3f222a7a22e80193a1a80cb028b2b2ff29313c8fc8", 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" "89fa08154175839db5d2cc3f222a7a22e80193a1a80cb028b2b2ff29313c8fc8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.46
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]    Compiling deep_flatten_derive v0.1.0
[INFO] [stderr]    Compiling deep_flat v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "89fa08154175839db5d2cc3f222a7a22e80193a1a80cb028b2b2ff29313c8fc8", 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" "89fa08154175839db5d2cc3f222a7a22e80193a1a80cb028b2b2ff29313c8fc8" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep_flat v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0107]: missing generics for struct `Wrapper`
[INFO] [stdout]   --> src/lib.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     struct Wrapper<T> {
[INFO] [stdout]    |            ^^^^^^^ expected 1 generic argument
[INFO] [stdout]    |
[INFO] [stdout] note: struct defined here, with 1 generic parameter: `T`
[INFO] [stdout]   --> src/lib.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     struct Wrapper<T> {
[INFO] [stdout]    |            ^^^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]    |
[INFO] [stdout] 92 |     struct Wrapper<T><T> {
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Vec<Point>` is not an iterator
[INFO] [stdout]   --> src/lib.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 |     #[derive(DeepFlatten, Debug, PartialEq)]
[INFO] [stdout]    |              ^^^^^^^^^^^ `Vec<Point>` is not an iterator
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Iterator` is not implemented for `Vec<Point>`
[INFO] [stdout] note: required by a bound in `DeepFlatten::deep_flatten::{anon_assoc#0}`
[INFO] [stdout]   --> src/lib.rs:49:35
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn deep_flatten(self) -> impl Iterator<Item = Self::Item>;
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `DeepFlatten::deep_flatten::{anon_assoc#0}`
[INFO] [stdout]    = note: this error originates in the derive macro `DeepFlatten` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `deep_flat` (lib test) due to 2 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0107, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89fa08154175839db5d2cc3f222a7a22e80193a1a80cb028b2b2ff29313c8fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89fa08154175839db5d2cc3f222a7a22e80193a1a80cb028b2b2ff29313c8fc8", kill_on_drop: false }`
[INFO] [stdout] 89fa08154175839db5d2cc3f222a7a22e80193a1a80cb028b2b2ff29313c8fc8
