[INFO] fetching crate intertwine 0.0.1...
[INFO] checking intertwine-0.0.1 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate intertwine 0.0.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate intertwine 0.0.1 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate intertwine 0.0.1
[INFO] finished tweaking crates.io crate intertwine 0.0.1
[INFO] tweaked toml for crates.io crate intertwine 0.0.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f691371aa8fcbfdc33bad289f4bb842796619674f71bc140d99165cc1c50022
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f691371aa8fcbfdc33bad289f4bb842796619674f71bc140d99165cc1c50022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f691371aa8fcbfdc33bad289f4bb842796619674f71bc140d99165cc1c50022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f691371aa8fcbfdc33bad289f4bb842796619674f71bc140d99165cc1c50022", kill_on_drop: false }`
[INFO] [stdout] 8f691371aa8fcbfdc33bad289f4bb842796619674f71bc140d99165cc1c50022
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59470a3d004b6cd9dc662c837e51b0f8a90adf91ba0c2624cab547c822fc6861
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "59470a3d004b6cd9dc662c837e51b0f8a90adf91ba0c2624cab547c822fc6861", kill_on_drop: false }`
[INFO] [stderr]     Checking intertwine v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stdout]   --> src/lib.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |             spawn(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:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |             spawn(proc() {
[INFO] [stdout]    |                         -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::comm`
[INFO] [stdout]  --> src/lib.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::comm::Receiver;
[INFO] [stdout]   |          ^^^^ could not find `comm` in `std`
[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[E0432]: unresolved import `std::comm`
[INFO] [stdout]  --> src/lib.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::comm::Receiver;
[INFO] [stdout]   |          ^^^^ could not find `comm` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `channel` in this scope
[INFO] [stdout]   --> src/lib.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |         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 std::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             spawn(proc() {
[INFO] [stdout]    |             ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 7  | use std::thread::spawn;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `proc` in this scope
[INFO] [stdout]   --> src/lib.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |             spawn(proc() {
[INFO] [stdout]    |                   ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stdout]   --> src/lib.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<T: Send> Iterator<T> for Intertwined<T> {
[INFO] [stdout]    |                        ^ unexpected type argument
[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[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stdout]   --> src/lib.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<T> + Send, II: Iterator<I>> Intertwine<T> for II {
[INFO] [stdout]    |                           ^ unexpected type argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `intertwine`
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stdout]   --> src/lib.rs:20:51
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<T> + Send, II: Iterator<I>> Intertwine<T> for II {
[INFO] [stdout]    |                                                   ^ unexpected type argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] Some errors have detailed explanations: E0107, E0425, E0432.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `channel` in this scope
[INFO] [stdout]   --> src/lib.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |         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 std::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `spawn` in this scope
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             spawn(proc() {
[INFO] [stdout]    |             ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 7  | use std::thread::spawn;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `proc` in this scope
[INFO] [stdout]   --> src/lib.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |             spawn(proc() {
[INFO] [stdout]    |                   ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stdout]   --> src/lib.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<T: Send> Iterator<T> for Intertwined<T> {
[INFO] [stdout]    |                        ^ unexpected type argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stdout]   --> src/lib.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<T> + Send, II: Iterator<I>> Intertwine<T> for II {
[INFO] [stdout]    |                           ^ unexpected type argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 0, found 1
[INFO] [stdout]   --> src/lib.rs:20:51
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<T> + Send, II: Iterator<I>> Intertwine<T> for II {
[INFO] [stdout]    |                                                   ^ unexpected type argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "59470a3d004b6cd9dc662c837e51b0f8a90adf91ba0c2624cab547c822fc6861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59470a3d004b6cd9dc662c837e51b0f8a90adf91ba0c2624cab547c822fc6861", kill_on_drop: false }`
[INFO] [stdout] 59470a3d004b6cd9dc662c837e51b0f8a90adf91ba0c2624cab547c822fc6861