[INFO] fetching crate parmap 0.0.1...
[INFO] testing parmap-0.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate parmap 0.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate parmap 0.0.1
[INFO] finished tweaking crates.io crate parmap 0.0.1
[INFO] tweaked toml for crates.io crate parmap 0.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate parmap 0.0.1 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8d7d4ebd1287ebad411fd3e2e03c795304e279190f26a4aadf34157c3a3d094
[INFO] running `Command { std: "docker" "start" "-a" "c8d7d4ebd1287ebad411fd3e2e03c795304e279190f26a4aadf34157c3a3d094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8d7d4ebd1287ebad411fd3e2e03c795304e279190f26a4aadf34157c3a3d094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d7d4ebd1287ebad411fd3e2e03c795304e279190f26a4aadf34157c3a3d094", kill_on_drop: false }`
[INFO] [stdout] c8d7d4ebd1287ebad411fd3e2e03c795304e279190f26a4aadf34157c3a3d094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfd7c0ef7c51f95985e1674aa70a827e35a162bfa9abb7cbf1066c45b9eb3382
[INFO] running `Command { std: "docker" "start" "-a" "bfd7c0ef7c51f95985e1674aa70a827e35a162bfa9abb7cbf1066c45b9eb3382", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling parmap v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `{`
[INFO] [stdout]   --> src/lib.rs:29:60
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut pool = sync::TaskPool::new(8, || { proc(_) {} });
[INFO] [stdout]    |                                                            ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stdout]   --> src/lib.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |             pool.execute(proc(_) {
[INFO] [stdout]    |                                 -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `license` in this scope
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![license = "MIT"]
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `TaskPool` in `sync`
[INFO] [stdout]   --> src/lib.rs:29:30
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut pool = sync::TaskPool::new(8, || { proc(_) {} });
[INFO] [stdout]    |                              ^^^^^^^^ could not find `TaskPool` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/lib.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 |     left: uint,
[INFO] [stdout]    |           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Receiver` in this scope
[INFO] [stdout]   --> src/lib.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 |     from: Receiver<R>
[INFO] [stdout]    |           ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout]  7 + use std::ops::Receiver;
[INFO] [stdout]    |
[INFO] [stdout]  7 + use sync::mpmc::Receiver;
[INFO] [stdout]    |
[INFO] [stdout]  7 + use sync::mpsc::Receiver;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `channel` in this scope
[INFO] [stdout]   --> src/lib.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let (tx, rx) = channel();
[INFO] [stdout]    |                        ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]    |
[INFO] [stdout]  7 + use sync::mpmc::channel;
[INFO] [stdout]    |
[INFO] [stdout]  7 + use sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: in expressions, `_` can only be used on the left-hand side of an assignment
[INFO] [stdout]   --> src/lib.rs:36:31
[INFO] [stdout]    |
[INFO] [stdout] 36 |             pool.execute(proc(_) {
[INFO] [stdout]    |                               ^ `_` not allowed here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/lib.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<T: Send, I: Iterator<T>> Parallel<T> for I {
[INFO] [stdout]    |                  ^^^^^^^^ expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] help: replace the generic bound with the associated type
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<T: Send, I: Iterator<Item = T>> Parallel<T> for I {
[INFO] [stdout]    |                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/lib.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<R: Send> Iterator<R> for ParMap<R> {
[INFO] [stdout]    |               ^^^^^^^^ expected 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Item`
[INFO] [stdout]   --> src/lib.rs:45:1
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl<R: Send> Iterator<R> for ParMap<R> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Item` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `type Item = /* Type */;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let tx = tx.clone();
[INFO] [stdout]    |                      ^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `proc` in this scope
[INFO] [stdout]   --> src/lib.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 36 |             pool.execute(proc(_) {
[INFO] [stdout]    |                          ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<T: Send, I: Iterator<T>> Parallel<T> for I {
[INFO] [stdout]    |      - expected this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 37 |                 tx.send(mapper(x));
[INFO] [stdout]    |                         ------ ^ expected type parameter `T`, found associated type
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `T`
[INFO] [stdout]              found associated type `<I as Iterator>::Item`
[INFO] [stdout] help: consider further restricting this bound
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<T: Send, I: Iterator<T><Item = T>> Parallel<T> for I {
[INFO] [stdout]    |                             ++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0107, E0282, E0308, E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parmap` (lib) due to 14 previous errors
[INFO] running `Command { std: "docker" "inspect" "bfd7c0ef7c51f95985e1674aa70a827e35a162bfa9abb7cbf1066c45b9eb3382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd7c0ef7c51f95985e1674aa70a827e35a162bfa9abb7cbf1066c45b9eb3382", kill_on_drop: false }`
[INFO] [stdout] bfd7c0ef7c51f95985e1674aa70a827e35a162bfa9abb7cbf1066c45b9eb3382
