[INFO] fetching crate parmap 0.0.1...
[INFO] checking parmap-0.0.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate parmap 0.0.1 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate parmap 0.0.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c102acda163f066b072418e369bbabb49ba6e72492e901ed205015aa65a6ddf
[INFO] running `Command { std: "docker" "start" "-a" "4c102acda163f066b072418e369bbabb49ba6e72492e901ed205015aa65a6ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c102acda163f066b072418e369bbabb49ba6e72492e901ed205015aa65a6ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c102acda163f066b072418e369bbabb49ba6e72492e901ed205015aa65a6ddf", kill_on_drop: false }`
[INFO] [stdout] 4c102acda163f066b072418e369bbabb49ba6e72492e901ed205015aa65a6ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12d7922fbbdee3a3e53fc986dbf0714f245367d54886a2615360c9933e7368d0
[INFO] running `Command { std: "docker" "start" "-a" "12d7922fbbdee3a3e53fc986dbf0714f245367d54886a2615360c9933e7368d0", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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::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 this function
[INFO] [stdout]    |
[INFO] [stdout] 7  | use sync::mpsc::channel;
[INFO] [stdout]    |
[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: 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: 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::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 this function
[INFO] [stdout]    |
[INFO] [stdout] 7  | use sync::mpsc::channel;
[INFO] [stdout]    |
[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: 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]: this 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]    |               ^^^^^^^^--- help: remove these generics
[INFO] [stdout]    |               |
[INFO] [stdout]    |               expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] note: trait defined here, with 0 generic parameters
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: this 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]    |                  ^^^^^^^^--- help: remove these generics
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] note: trait defined here, with 0 generic parameters
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: this 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]    |               ^^^^^^^^--- help: remove these generics
[INFO] [stdout]    |               |
[INFO] [stdout]    |               expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] note: trait defined here, with 0 generic parameters
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: this 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]    |                  ^^^^^^^^--- help: remove these generics
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] note: trait defined here, with 0 generic parameters
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parmap` due to 12 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "12d7922fbbdee3a3e53fc986dbf0714f245367d54886a2615360c9933e7368d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d7922fbbdee3a3e53fc986dbf0714f245367d54886a2615360c9933e7368d0", kill_on_drop: false }`
[INFO] [stdout] 12d7922fbbdee3a3e53fc986dbf0714f245367d54886a2615360c9933e7368d0