[INFO] fetching crate intertwine 0.0.1...
[INFO] testing intertwine-0.0.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate intertwine 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate intertwine 0.0.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a191153e9adfa3b49a143bae0e315600aff50a62ace4ce6c340b8d6313a4f0fd
[INFO] running `Command { std: "docker" "start" "-a" "a191153e9adfa3b49a143bae0e315600aff50a62ace4ce6c340b8d6313a4f0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a191153e9adfa3b49a143bae0e315600aff50a62ace4ce6c340b8d6313a4f0fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a191153e9adfa3b49a143bae0e315600aff50a62ace4ce6c340b8d6313a4f0fd", kill_on_drop: false }`
[INFO] [stdout] a191153e9adfa3b49a143bae0e315600aff50a62ace4ce6c340b8d6313a4f0fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7bb003cea63a169bbc89807c29c15e8e6acf6ec29b75ea03c4879adc36a5325
[INFO] running `Command { std: "docker" "start" "-a" "f7bb003cea63a169bbc89807c29c15e8e6acf6ec29b75ea03c4879adc36a5325", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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[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[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[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/lib.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<T> + Send, II: Iterator<I>> Intertwine<T> for II {
[INFO] [stdout]    |                  ^^^^^^^^ expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] help: replace the generic bound with the associated type
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<Item = T> + Send, II: Iterator<I>> Intertwine<T> for II {
[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:20:42
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<T> + Send, II: Iterator<I>> Intertwine<T> for II {
[INFO] [stdout]    |                                          ^^^^^^^^ expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] help: replace the generic bound with the associated type
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<T> + Send, II: Iterator<Item = I>> Intertwine<T> for II {
[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:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<T: Send> Iterator<T> for Intertwined<T> {
[INFO] [stdout]    |               ^^^^^^^^ expected 0 generic arguments
[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: 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] [stderr] error: could not compile `intertwine` (lib) due to 10 previous errors
[INFO] running `Command { std: "docker" "inspect" "f7bb003cea63a169bbc89807c29c15e8e6acf6ec29b75ea03c4879adc36a5325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7bb003cea63a169bbc89807c29c15e8e6acf6ec29b75ea03c4879adc36a5325", kill_on_drop: false }`
[INFO] [stdout] f7bb003cea63a169bbc89807c29c15e8e6acf6ec29b75ea03c4879adc36a5325
[INFO] testing intertwine-0.0.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate intertwine 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate intertwine 0.0.1 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e82a683ba48b2a2d64c9b926d808d4371ea9c554a77996da0ac83382d8cc1287
[INFO] running `Command { std: "docker" "start" "-a" "e82a683ba48b2a2d64c9b926d808d4371ea9c554a77996da0ac83382d8cc1287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e82a683ba48b2a2d64c9b926d808d4371ea9c554a77996da0ac83382d8cc1287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e82a683ba48b2a2d64c9b926d808d4371ea9c554a77996da0ac83382d8cc1287", kill_on_drop: false }`
[INFO] [stdout] e82a683ba48b2a2d64c9b926d808d4371ea9c554a77996da0ac83382d8cc1287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d4ad3ad7f34384f30dd77342e810509a83931fcc6a09753ca03bfdfd03b3877
[INFO] running `Command { std: "docker" "start" "-a" "4d4ad3ad7f34384f30dd77342e810509a83931fcc6a09753ca03bfdfd03b3877", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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[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[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[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/lib.rs:20:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<T> + Send, II: Iterator<I>> Intertwine<T> for II {
[INFO] [stdout]    |                  ^^^^^^^^ expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] help: replace the generic bound with the associated type
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<Item = T> + Send, II: Iterator<I>> Intertwine<T> for II {
[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:20:42
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<T> + Send, II: Iterator<I>> Intertwine<T> for II {
[INFO] [stdout]    |                                          ^^^^^^^^ expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] help: replace the generic bound with the associated type
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<T> + Send, II: Iterator<Item = I>> Intertwine<T> for II {
[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:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<T: Send> Iterator<T> for Intertwined<T> {
[INFO] [stdout]    |               ^^^^^^^^ expected 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0207]: the type parameter `I` is not constrained by the impl trait, self type, or predicates
[INFO] [stdout]   --> src/lib.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<T: Send, I: Iterator<T> + Send, II: Iterator<I>> Intertwine<T> for II {
[INFO] [stdout]    |               ^ unconstrained type parameter
[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: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0207, E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `intertwine` (lib) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "4d4ad3ad7f34384f30dd77342e810509a83931fcc6a09753ca03bfdfd03b3877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4ad3ad7f34384f30dd77342e810509a83931fcc6a09753ca03bfdfd03b3877", kill_on_drop: false }`
[INFO] [stdout] 4d4ad3ad7f34384f30dd77342e810509a83931fcc6a09753ca03bfdfd03b3877
