[INFO] fetching crate local-channel 0.1.5...
[INFO] checking local-channel-0.1.5 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate local-channel 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate local-channel 0.1.5 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate local-channel 0.1.5
[INFO] finished tweaking crates.io crate local-channel 0.1.5
[INFO] tweaked toml for crates.io crate local-channel 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eb8ca9077ae4c51fb62341b0732d3b025a242713cec7941282358256752f197
[INFO] running `Command { std: "docker" "start" "-a" "2eb8ca9077ae4c51fb62341b0732d3b025a242713cec7941282358256752f197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eb8ca9077ae4c51fb62341b0732d3b025a242713cec7941282358256752f197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb8ca9077ae4c51fb62341b0732d3b025a242713cec7941282358256752f197", kill_on_drop: false }`
[INFO] [stdout] 2eb8ca9077ae4c51fb62341b0732d3b025a242713cec7941282358256752f197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d9cc1fe060b65bd7e5d02322b1c6607a75f7f254e082b3ffda85b5ac06540a8
[INFO] running `Command { std: "docker" "start" "-a" "0d9cc1fe060b65bd7e5d02322b1c6607a75f7f254e082b3ffda85b5ac06540a8", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking local-channel v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_util`
[INFO] [stdout]    --> src/mpsc.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     use futures_util::{future::lazy, StreamExt as _};
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_util`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 204 |     use futures_core::{future::lazy, StreamExt as _};
[INFO] [stdout]     |         ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_util`
[INFO] [stdout]    --> src/mpsc.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     use futures_util::{future::lazy, StreamExt as _};
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_util`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 204 |     use futures_core::{future::lazy, StreamExt as _};
[INFO] [stdout]     |         ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]    --> src/mpsc.rs:208:7
[INFO] [stdout]     |
[INFO] [stdout] 208 |     #[tokio::test]
[INFO] [stdout]     |       ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]    --> src/mpsc.rs:242:7
[INFO] [stdout]     |
[INFO] [stdout] 242 |     #[tokio::test]
[INFO] [stdout]     |       ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `mpsc::Receiver` in the current scope
[INFO] [stdout]    --> src/mpsc.rs:212:23
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct Receiver<T> {
[INFO] [stdout]     | ---------------------- method `next` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 212 |         assert_eq!(rx.next().await.unwrap(), "test");
[INFO] [stdout]     |                       ^^^^ method not found in `Receiver<&str>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `next`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `mpsc::Receiver` in the current scope
[INFO] [stdout]    --> src/mpsc.rs:216:23
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct Receiver<T> {
[INFO] [stdout]     | ---------------------- method `next` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 216 |         assert_eq!(rx.next().await.unwrap(), "test2");
[INFO] [stdout]     |                       ^^^^ method not found in `Receiver<&str>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `next`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `mpsc::Receiver` in the current scope
[INFO] [stdout]    --> src/mpsc.rs:228:23
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct Receiver<T> {
[INFO] [stdout]     | ---------------------- method `next` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 228 |         assert_eq!(rx.next().await, None);
[INFO] [stdout]     |                       ^^^^ method not found in `Receiver<&str>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `next`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `local-channel` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "0d9cc1fe060b65bd7e5d02322b1c6607a75f7f254e082b3ffda85b5ac06540a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9cc1fe060b65bd7e5d02322b1c6607a75f7f254e082b3ffda85b5ac06540a8", kill_on_drop: false }`
[INFO] [stdout] 0d9cc1fe060b65bd7e5d02322b1c6607a75f7f254e082b3ffda85b5ac06540a8
[INFO] checking local-channel-0.1.5 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate local-channel 0.1.5 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate local-channel 0.1.5 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate local-channel 0.1.5
[INFO] finished tweaking crates.io crate local-channel 0.1.5
[INFO] tweaked toml for crates.io crate local-channel 0.1.5 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38f9b12c34bf81413a5b0d31f126ebd7165140a0a1b01a41d27b642024ed26ae
[INFO] running `Command { std: "docker" "start" "-a" "38f9b12c34bf81413a5b0d31f126ebd7165140a0a1b01a41d27b642024ed26ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38f9b12c34bf81413a5b0d31f126ebd7165140a0a1b01a41d27b642024ed26ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f9b12c34bf81413a5b0d31f126ebd7165140a0a1b01a41d27b642024ed26ae", kill_on_drop: false }`
[INFO] [stdout] 38f9b12c34bf81413a5b0d31f126ebd7165140a0a1b01a41d27b642024ed26ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6be587ed5cad9a83565c9678505280f91d8b1b5e854c33158642d78e2f18fb1d
[INFO] running `Command { std: "docker" "start" "-a" "6be587ed5cad9a83565c9678505280f91d8b1b5e854c33158642d78e2f18fb1d", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]     Checking local-channel v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures_util`
[INFO] [stdout]    --> src/mpsc.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     use futures_util::{future::lazy, StreamExt as _};
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_util`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 204 |     use futures_core::{future::lazy, StreamExt as _};
[INFO] [stdout]     |         ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures_util`
[INFO] [stdout]    --> src/mpsc.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     use futures_util::{future::lazy, StreamExt as _};
[INFO] [stdout]     |         ^^^^^^^^^^^^ use of undeclared crate or module `futures_util`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 204 |     use futures_core::{future::lazy, StreamExt as _};
[INFO] [stdout]     |         ~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]    --> src/mpsc.rs:208:7
[INFO] [stdout]     |
[INFO] [stdout] 208 |     #[tokio::test]
[INFO] [stdout]     |       ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]    --> src/mpsc.rs:242:7
[INFO] [stdout]     |
[INFO] [stdout] 242 |     #[tokio::test]
[INFO] [stdout]     |       ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `mpsc::Receiver` in the current scope
[INFO] [stdout]    --> src/mpsc.rs:212:23
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct Receiver<T> {
[INFO] [stdout]     | ---------------------- method `next` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 212 |         assert_eq!(rx.next().await.unwrap(), "test");
[INFO] [stdout]     |                       ^^^^ method not found in `Receiver<&str>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `next`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `mpsc::Receiver` in the current scope
[INFO] [stdout]    --> src/mpsc.rs:216:23
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct Receiver<T> {
[INFO] [stdout]     | ---------------------- method `next` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 216 |         assert_eq!(rx.next().await.unwrap(), "test2");
[INFO] [stdout]     |                       ^^^^ method not found in `Receiver<&str>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `next`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `mpsc::Receiver` in the current scope
[INFO] [stdout]    --> src/mpsc.rs:228:23
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct Receiver<T> {
[INFO] [stdout]     | ---------------------- method `next` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 228 |         assert_eq!(rx.next().await, None);
[INFO] [stdout]     |                       ^^^^ method not found in `Receiver<&str>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]     = note: the following trait defines an item `next`, perhaps you need to implement it:
[INFO] [stdout]             candidate #1: `Iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `local-channel` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "6be587ed5cad9a83565c9678505280f91d8b1b5e854c33158642d78e2f18fb1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be587ed5cad9a83565c9678505280f91d8b1b5e854c33158642d78e2f18fb1d", kill_on_drop: false }`
[INFO] [stdout] 6be587ed5cad9a83565c9678505280f91d8b1b5e854c33158642d78e2f18fb1d
