[INFO] fetching crate mainline 6.0.1...
[INFO] checking mainline-6.0.1 against try#213ba58857e42241934d114390dfcd0779fc4662 for pr-148943
[INFO] extracting crate mainline 6.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mainline 6.0.1
[INFO] finished tweaking crates.io crate mainline 6.0.1
[INFO] tweaked toml for crates.io crate mainline 6.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mainline 6.0.1 on toolchain 213ba58857e42241934d114390dfcd0779fc4662
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+213ba58857e42241934d114390dfcd0779fc4662" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mainline 6.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+213ba58857e42241934d114390dfcd0779fc4662" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+213ba58857e42241934d114390dfcd0779fc4662" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49822424a2e19aef09c71ad7c5a16447f71e6b5e6f349b3f35bcb2a7b8cd9b1f
[INFO] running `Command { std: "docker" "start" "-a" "49822424a2e19aef09c71ad7c5a16447f71e6b5e6f349b3f35bcb2a7b8cd9b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49822424a2e19aef09c71ad7c5a16447f71e6b5e6f349b3f35bcb2a7b8cd9b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49822424a2e19aef09c71ad7c5a16447f71e6b5e6f349b3f35bcb2a7b8cd9b1f", kill_on_drop: false }`
[INFO] [stdout] 49822424a2e19aef09c71ad7c5a16447f71e6b5e6f349b3f35bcb2a7b8cd9b1f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+213ba58857e42241934d114390dfcd0779fc4662" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fae90630b001a7e7f3100b9e9481601195e6e8c18912adba2adff86436d25d1
[INFO] running `Command { std: "docker" "start" "-a" "8fae90630b001a7e7f3100b9e9481601195e6e8c18912adba2adff86436d25d1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tracing-attributes v0.1.30
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[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/rpc/socket.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{debug, error, trace, warn};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]  --> src/rpc/socket.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | use tracing::{debug, error, trace, warn};
[INFO] [stdout]   |                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/async_dht.rs:409:48
[INFO] [stdout]     |
[INFO] [stdout] 409 |             let peers = b.get_peers(info_hash).next().await.expect("No peers");
[INFO] [stdout]     |                                                ^^^^ multiple `next` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `futures_lite::StreamExt` for the type `S`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `futures::StreamExt` for the type `T`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 409 -             let peers = b.get_peers(info_hash).next().await.expect("No peers");
[INFO] [stdout] 409 +             let peers = futures_lite::StreamExt::next(&mut b.get_peers(info_hash)).await.expect("No peers");
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 409 -             let peers = b.get_peers(info_hash).next().await.expect("No peers");
[INFO] [stdout] 409 +             let peers = futures::StreamExt::next(&mut b.get_peers(info_hash)).await.expect("No peers");
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/async_dht.rs:409:25
[INFO] [stdout]     |
[INFO] [stdout] 409 |             let peers = b.get_peers(info_hash).next().await.expect("No peers");
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/async_dht.rs:476:18
[INFO] [stdout]     |
[INFO] [stdout] 476 |                 .next()
[INFO] [stdout]     |                  ^^^^ multiple `next` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `futures_lite::StreamExt` for the type `S`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `futures::StreamExt` for the type `T`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 474 ~             let response = futures_lite::StreamExt::next(&mut b
[INFO] [stdout] 475 +                 .get_mutable(signer.verifying_key().as_bytes(), None, None))
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 474 ~             let response = futures::StreamExt::next(&mut b
[INFO] [stdout] 475 +                 .get_mutable(signer.verifying_key().as_bytes(), None, None))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/async_dht.rs:474:28
[INFO] [stdout]     |
[INFO] [stdout] 474 |               let response = b
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 475 | |                 .get_mutable(signer.verifying_key().as_bytes(), None, None)
[INFO] [stdout] 476 | |                 .next()
[INFO] [stdout] 477 | |                 .await
[INFO] [stdout]     | |______________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/async_dht.rs:516:18
[INFO] [stdout]     |
[INFO] [stdout] 516 |                 .next()
[INFO] [stdout]     |                  ^^^^ multiple `next` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `futures_lite::StreamExt` for the type `S`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `futures::StreamExt` for the type `T`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 514 ~             let response = futures_lite::StreamExt::next(&mut b
[INFO] [stdout] 515 +                 .get_mutable(signer.verifying_key().as_bytes(), None, Some(seq)))
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 514 ~             let response = futures::StreamExt::next(&mut b
[INFO] [stdout] 515 +                 .get_mutable(signer.verifying_key().as_bytes(), None, Some(seq)))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/async_dht.rs:514:17
[INFO] [stdout]     |
[INFO] [stdout] 514 |             let response = b
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 519 |             assert!(&response.is_none());
[INFO] [stdout]     |                      -------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `response` an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 514 |             let response: /* Type */ = b
[INFO] [stdout]     |                         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/async_dht.rs:575:18
[INFO] [stdout]     |
[INFO] [stdout] 575 |                 .next()
[INFO] [stdout]     |                  ^^^^ multiple `next` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `futures_lite::StreamExt` for the type `S`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `futures::StreamExt` for the type `T`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 573 ~             let _response_first = futures_lite::StreamExt::next(&mut b
[INFO] [stdout] 574 +                 .get_mutable(signer.verifying_key().as_bytes(), None, None))
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 573 ~             let _response_first = futures::StreamExt::next(&mut b
[INFO] [stdout] 574 +                 .get_mutable(signer.verifying_key().as_bytes(), None, None))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/async_dht.rs:573:35
[INFO] [stdout]     |
[INFO] [stdout] 573 |               let _response_first = b
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 574 | |                 .get_mutable(signer.verifying_key().as_bytes(), None, None)
[INFO] [stdout] 575 | |                 .next()
[INFO] [stdout] 576 | |                 .await
[INFO] [stdout]     | |______________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/async_dht.rs:581:18
[INFO] [stdout]     |
[INFO] [stdout] 581 |                 .next()
[INFO] [stdout]     |                  ^^^^ multiple `next` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `futures_lite::StreamExt` for the type `S`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `futures::StreamExt` for the type `T`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 579 ~             let response_second = futures_lite::StreamExt::next(&mut b
[INFO] [stdout] 580 +                 .get_mutable(signer.verifying_key().as_bytes(), None, None))
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 579 ~             let response_second = futures::StreamExt::next(&mut b
[INFO] [stdout] 580 +                 .get_mutable(signer.verifying_key().as_bytes(), None, None))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/async_dht.rs:579:35
[INFO] [stdout]     |
[INFO] [stdout] 579 |               let response_second = b
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 580 | |                 .get_mutable(signer.verifying_key().as_bytes(), None, None)
[INFO] [stdout] 581 | |                 .next()
[INFO] [stdout] 582 | |                 .await
[INFO] [stdout]     | |______________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `DHTErrorValue` is never used
[INFO] [stdout]    --> src/common/messages/internal.rs:138:10
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub enum DHTErrorValue {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0034, E0282.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mainline` (lib test) due to 10 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8fae90630b001a7e7f3100b9e9481601195e6e8c18912adba2adff86436d25d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fae90630b001a7e7f3100b9e9481601195e6e8c18912adba2adff86436d25d1", kill_on_drop: false }`
[INFO] [stdout] 8fae90630b001a7e7f3100b9e9481601195e6e8c18912adba2adff86436d25d1
