[INFO] crate parmap 0.0.1 is already in cache
[INFO] checking parmap-0.0.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate parmap 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate parmap 0.0.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2511c8c4042aa14ece1eb639222917af4f928e93106111ea1df0f3323fc1efb
[INFO] running `"docker" "start" "-a" "b2511c8c4042aa14ece1eb639222917af4f928e93106111ea1df0f3323fc1efb"`
[INFO] [stderr]     Checking parmap v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected expression, found reserved identifier `_`
[INFO] [stderr]   --> src/lib.rs:29:57
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut pool = sync::TaskPool::new(8, || { proc(_) {} });
[INFO] [stderr]    |                                                         ^ expected expression
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `{`
[INFO] [stderr]   --> src/lib.rs:29:60
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut pool = sync::TaskPool::new(8, || { proc(_) {} });
[INFO] [stderr]    |                                                            ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stderr] 
[INFO] [stderr] error: expected expression, found reserved identifier `_`
[INFO] [stderr]   --> src/lib.rs:36:31
[INFO] [stderr]    |
[INFO] [stderr] 36 |             pool.execute(proc(_) {
[INFO] [stderr]    |                               ^ expected expression
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stderr]   --> src/lib.rs:36:34
[INFO] [stderr]    |
[INFO] [stderr] 36 |             pool.execute(proc(_) {
[INFO] [stderr]    |                                 -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stderr]    |                                 |
[INFO] [stderr]    |                                 help: missing `,`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stderr]   = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: expected expression, found reserved identifier `_`
[INFO] [stderr]   --> src/lib.rs:29:57
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut pool = sync::TaskPool::new(8, || { proc(_) {} });
[INFO] [stderr]    |                                                         ^ expected expression
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `{`
[INFO] [stderr]   --> src/lib.rs:29:60
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut pool = sync::TaskPool::new(8, || { proc(_) {} });
[INFO] [stderr]    |                                                            ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stderr] 
[INFO] [stderr] error: expected expression, found reserved identifier `_`
[INFO] [stderr]   --> src/lib.rs:36:31
[INFO] [stderr]    |
[INFO] [stderr] 36 |             pool.execute(proc(_) {
[INFO] [stderr]    |                               ^ expected expression
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stderr]   --> src/lib.rs:36:34
[INFO] [stderr]    |
[INFO] [stderr] 36 |             pool.execute(proc(_) {
[INFO] [stderr]    |                                 -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stderr]    |                                 |
[INFO] [stderr]    |                                 help: missing `,`
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: non-builtin inner attributes are unstable
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #54726 <https://github.com/rust-lang/rust/issues/54726> for more information
[INFO] [stderr]   = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `license` in this scope
[INFO] [stderr]  --> src/lib.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `TaskPool` in `sync`
[INFO] [stderr]   --> src/lib.rs:29:30
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut pool = sync::TaskPool::new(8, || { proc(_) {} });
[INFO] [stderr]    |                              ^^^^^^^^ could not find `TaskPool` in `sync`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/lib.rs:16:11
[INFO] [stderr]    |
[INFO] [stderr] 16 |     left: uint,
[INFO] [stderr]    |           ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Receiver` in this scope
[INFO] [stderr]   --> src/lib.rs:17:11
[INFO] [stderr]    |
[INFO] [stderr] 17 |     from: Receiver<R>
[INFO] [stderr]    |           ^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 7  | use std::ops::Receiver;
[INFO] [stderr]    |
[INFO] [stderr] 7  | use std::sync::mpsc::Receiver;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `channel` in this scope
[INFO] [stderr]   --> src/lib.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let (tx, rx) = channel();
[INFO] [stderr]    |                        ^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 7  | use std::sync::mpsc::channel;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]   --> src/lib.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl<T: Send, I: Iterator<T>> Parallel<T> for I {
[INFO] [stderr]    |                           ^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]   --> src/lib.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 | impl<R: Send> Iterator<R> for ParMap<R> {
[INFO] [stderr]    |                        ^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0107, E0412, E0425, E0433, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0107`.
[INFO] [stderr] error: could not compile `parmap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: cannot find attribute `license` in this scope
[INFO] [stderr]  --> src/lib.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![license = "MIT"]
[INFO] [stderr]   |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `TaskPool` in `sync`
[INFO] [stderr]   --> src/lib.rs:29:30
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut pool = sync::TaskPool::new(8, || { proc(_) {} });
[INFO] [stderr]    |                              ^^^^^^^^ could not find `TaskPool` in `sync`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/lib.rs:16:11
[INFO] [stderr]    |
[INFO] [stderr] 16 |     left: uint,
[INFO] [stderr]    |           ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Receiver` in this scope
[INFO] [stderr]   --> src/lib.rs:17:11
[INFO] [stderr]    |
[INFO] [stderr] 17 |     from: Receiver<R>
[INFO] [stderr]    |           ^^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidates are found in other modules, you can import them into scope
[INFO] [stderr]    |
[INFO] [stderr] 7  | use std::ops::Receiver;
[INFO] [stderr]    |
[INFO] [stderr] 7  | use std::sync::mpsc::Receiver;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `channel` in this scope
[INFO] [stderr]   --> src/lib.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let (tx, rx) = channel();
[INFO] [stderr]    |                        ^^^^^^^ not found in this scope
[INFO] [stderr]    |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]    |
[INFO] [stderr] 7  | use std::sync::mpsc::channel;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]   --> src/lib.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl<T: Send, I: Iterator<T>> Parallel<T> for I {
[INFO] [stderr]    |                           ^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stderr]   --> src/lib.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 | impl<R: Send> Iterator<R> for ParMap<R> {
[INFO] [stderr]    |                        ^ unexpected type argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 12 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0107, E0412, E0425, E0433, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0107`.
[INFO] [stderr] error: could not compile `parmap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b2511c8c4042aa14ece1eb639222917af4f928e93106111ea1df0f3323fc1efb"`
[INFO] running `"docker" "rm" "-f" "b2511c8c4042aa14ece1eb639222917af4f928e93106111ea1df0f3323fc1efb"`
[INFO] [stdout] b2511c8c4042aa14ece1eb639222917af4f928e93106111ea1df0f3323fc1efb
