[INFO] fetching crate local-channel 0.1.5...
[INFO] checking local-channel-0.1.5 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate local-channel 0.1.5 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate local-channel 0.1.5 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45f1979ef6fed2934265f9eb9a4dda67308547ad0da74e0cfa7adbb5aa5d75ff
[INFO] running `Command { std: "docker" "start" "-a" "45f1979ef6fed2934265f9eb9a4dda67308547ad0da74e0cfa7adbb5aa5d75ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45f1979ef6fed2934265f9eb9a4dda67308547ad0da74e0cfa7adbb5aa5d75ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f1979ef6fed2934265f9eb9a4dda67308547ad0da74e0cfa7adbb5aa5d75ff", kill_on_drop: false }`
[INFO] [stdout] 45f1979ef6fed2934265f9eb9a4dda67308547ad0da74e0cfa7adbb5aa5d75ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f6af222d37068b7e7aa9b33a56da25c8589a3be32ff5630772bfb02d541fc5c
[INFO] running `Command { std: "docker" "start" "-a" "3f6af222d37068b7e7aa9b33a56da25c8589a3be32ff5630772bfb02d541fc5c", kill_on_drop: false }`
[INFO] [stderr]     Checking local-waker v0.1.4
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking local-channel v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `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 unresolved module or unlinked crate `futures_util`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 204 -     use futures_util::{future::lazy, StreamExt as _};
[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 unresolved module or unlinked crate `futures_util`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 204 -     use futures_util::{future::lazy, StreamExt as _};
[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 unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> src/mpsc.rs:208:7
[INFO] [stdout]     |
[INFO] [stdout] 208 |     #[tokio::test]
[INFO] [stdout]     |       ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> src/mpsc.rs:242:7
[INFO] [stdout]     |
[INFO] [stdout] 242 |     #[tokio::test]
[INFO] [stdout]     |       ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `next` found for struct `mpsc::Receiver<T>` 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 `mpsc::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<T>` 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 `mpsc::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<T>` 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 `mpsc::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] 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 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3f6af222d37068b7e7aa9b33a56da25c8589a3be32ff5630772bfb02d541fc5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f6af222d37068b7e7aa9b33a56da25c8589a3be32ff5630772bfb02d541fc5c", kill_on_drop: false }`
[INFO] [stdout] 3f6af222d37068b7e7aa9b33a56da25c8589a3be32ff5630772bfb02d541fc5c