[INFO] cloning repository https://github.com/fifth-postulate/double-memory
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fifth-postulate/double-memory" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffifth-postulate%2Fdouble-memory", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffifth-postulate%2Fdouble-memory'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09d21bcdd7f40abb4c8ccc3091951a0cf8e9ff51
[INFO] testing fifth-postulate/double-memory against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffifth-postulate%2Fdouble-memory" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fifth-postulate/double-memory
[INFO] finished tweaking git repo https://github.com/fifth-postulate/double-memory
[INFO] tweaked toml for git repo https://github.com/fifth-postulate/double-memory written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fifth-postulate/double-memory 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] crate git repo https://github.com/fifth-postulate/double-memory 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fa7b8ee45b03bcb4ce9a6de9431d6c3c1e64f3c140231870be99fce2aa5e8509
[INFO] running `Command { std: "docker" "start" "fa7b8ee45b03bcb4ce9a6de9431d6c3c1e64f3c140231870be99fce2aa5e8509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa7b8ee45b03bcb4ce9a6de9431d6c3c1e64f3c140231870be99fce2aa5e8509", 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" "fa7b8ee45b03bcb4ce9a6de9431d6c3c1e64f3c140231870be99fce2aa5e8509" "/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" "fa7b8ee45b03bcb4ce9a6de9431d6c3c1e64f3c140231870be99fce2aa5e8509", 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" "fa7b8ee45b03bcb4ce9a6de9431d6c3c1e64f3c140231870be99fce2aa5e8509" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling matching v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let path_edges = Set::from(path.into());
[INFO] [stdout]    |                          ---            ^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout]    = note: multiple `impl`s satisfying `HashSet<&EdgeIndex<I>>: From<_>` found in the following crates: `core`, `std`:
[INFO] [stdout]            - impl<T, N> From<[T; N]> for HashSet<T>
[INFO] [stdout]              where the constant `N` has type `usize`, T: Eq, T: Hash;
[INFO] [stdout]            - impl<T> From<T> for T;
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]    |
[INFO] [stdout] 49 -         let path_edges = Set::from(path.into());
[INFO] [stdout] 49 +         let path_edges = Set::from(<Path<'_, I> as Into<T>>::into(path));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:49:41
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let path_edges = Set::from(path.into());
[INFO] [stdout]    |                                         ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: multiple `impl`s satisfying `Path<'_, I>: Into<_>` found
[INFO] [stdout]   --> src/lib.rs:88:1
[INFO] [stdout]    |
[INFO] [stdout] 88 | / impl<'a, I> Into<Set<&'a EdgeIndex<I>>> for Path<'a, I>
[INFO] [stdout] 89 | | where
[INFO] [stdout] 90 | |     I: Eq + Hash,
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    = note: and another `impl` found in the `core` crate:
[INFO] [stdout]            - impl<T, U> Into<U> for T
[INFO] [stdout]              where U: From<T>;
[INFO] [stdout] help: try using a fully qualified path to specify the expected types
[INFO] [stdout]    |
[INFO] [stdout] 49 -         let path_edges = Set::from(path.into());
[INFO] [stdout] 49 +         let path_edges = Set::from(<Path<'_, I> as Into<T>>::into(path));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     graph: &'a Graph<N, E, Undirected, I>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matching`
[INFO] [stdout]   --> src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     matching: &Matching<'a, I>,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matching`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `matching` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fa7b8ee45b03bcb4ce9a6de9431d6c3c1e64f3c140231870be99fce2aa5e8509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7b8ee45b03bcb4ce9a6de9431d6c3c1e64f3c140231870be99fce2aa5e8509", kill_on_drop: false }`
[INFO] [stdout] fa7b8ee45b03bcb4ce9a6de9431d6c3c1e64f3c140231870be99fce2aa5e8509
