[INFO] fetching crate parmap 0.0.1...
[INFO] checking parmap-0.0.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate parmap 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate parmap 0.0.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2da49ee3d51a4df4854c798d0672776937468d5344a197cbdfe719e848b8dfed
[INFO] running `Command { std: "docker" "start" "-a" "2da49ee3d51a4df4854c798d0672776937468d5344a197cbdfe719e848b8dfed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2da49ee3d51a4df4854c798d0672776937468d5344a197cbdfe719e848b8dfed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da49ee3d51a4df4854c798d0672776937468d5344a197cbdfe719e848b8dfed", kill_on_drop: false }`
[INFO] [stdout] 2da49ee3d51a4df4854c798d0672776937468d5344a197cbdfe719e848b8dfed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b1dbdc3c14749493c1b65bd1c5c1109170639ad0cd3c70df9e30da1ce816b54
[INFO] running `Command { std: "docker" "start" "-a" "2b1dbdc3c14749493c1b65bd1c5c1109170639ad0cd3c70df9e30da1ce816b54", 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 this struct
[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: 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[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] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0107, E0308, E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[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] [stderr] error: could not compile `parmap` (lib) due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 this struct
[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: 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[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] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0107, 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 test) due to 14 previous errors
[INFO] running `Command { std: "docker" "inspect" "2b1dbdc3c14749493c1b65bd1c5c1109170639ad0cd3c70df9e30da1ce816b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b1dbdc3c14749493c1b65bd1c5c1109170639ad0cd3c70df9e30da1ce816b54", kill_on_drop: false }`
[INFO] [stdout] 2b1dbdc3c14749493c1b65bd1c5c1109170639ad0cd3c70df9e30da1ce816b54
[INFO] checking parmap-0.0.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate parmap 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate parmap 0.0.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed078dc68898180649e1734180fb2810dadc68fb5d26a652cc93cc6477db232a
[INFO] running `Command { std: "docker" "start" "-a" "ed078dc68898180649e1734180fb2810dadc68fb5d26a652cc93cc6477db232a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed078dc68898180649e1734180fb2810dadc68fb5d26a652cc93cc6477db232a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed078dc68898180649e1734180fb2810dadc68fb5d26a652cc93cc6477db232a", kill_on_drop: false }`
[INFO] [stdout] ed078dc68898180649e1734180fb2810dadc68fb5d26a652cc93cc6477db232a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7fb235698529a9b4f5c36bcf4e214b96fb6e2c0c89dd6ef1e6574a3b4acf02d
[INFO] running `Command { std: "docker" "start" "-a" "f7fb235698529a9b4f5c36bcf4e214b96fb6e2c0c89dd6ef1e6574a3b4acf02d", 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: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: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 this struct
[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: 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: 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[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[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 this struct
[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: 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[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] 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: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0107, E0308, E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[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] [stderr] error: could not compile `parmap` (lib) due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 13 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0107, 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 test) due to 14 previous errors
[INFO] running `Command { std: "docker" "inspect" "f7fb235698529a9b4f5c36bcf4e214b96fb6e2c0c89dd6ef1e6574a3b4acf02d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7fb235698529a9b4f5c36bcf4e214b96fb6e2c0c89dd6ef1e6574a3b4acf02d", kill_on_drop: false }`
[INFO] [stdout] f7fb235698529a9b4f5c36bcf4e214b96fb6e2c0c89dd6ef1e6574a3b4acf02d
