[INFO] fetching crate midwest_mainline 0.1.1-beta...
[INFO] testing midwest_mainline-0.1.1-beta against 1.75.0 for beta-1.76-1
[INFO] extracting crate midwest_mainline 0.1.1-beta into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate midwest_mainline 0.1.1-beta on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate midwest_mainline 0.1.1-beta
[INFO] finished tweaking crates.io crate midwest_mainline 0.1.1-beta
[INFO] tweaked toml for crates.io crate midwest_mainline 0.1.1-beta 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" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wildmatch v1.1.0
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e437ac7f2ab43d099b6111e69978def8095bb25c823243d50befd103b6c4066c
[INFO] running `Command { std: "docker" "start" "-a" "e437ac7f2ab43d099b6111e69978def8095bb25c823243d50befd103b6c4066c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e437ac7f2ab43d099b6111e69978def8095bb25c823243d50befd103b6c4066c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e437ac7f2ab43d099b6111e69978def8095bb25c823243d50befd103b6c4066c", kill_on_drop: false }`
[INFO] [stdout] e437ac7f2ab43d099b6111e69978def8095bb25c823243d50befd103b6c4066c
[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=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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c25cfe79eb78d250412e83d52ce1a376f3a1a2a30692158ee0706719f610a1
[INFO] running `Command { std: "docker" "start" "-a" "e6c25cfe79eb78d250412e83d52ce1a376f3a1a2a30692158ee0706719f610a1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-ident v1.0.12
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[INFO] [stderr]    Compiling color-eyre v0.6.2
[INFO] [stderr]    Compiling tokio v1.35.1
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[INFO] [stderr]    Compiling serde_unit_struct v0.1.3
[INFO] [stderr]    Compiling async-recursion v1.0.5
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[INFO] [stderr]    Compiling futures-executor v0.3.30
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[INFO] [stderr]    Compiling juicy_bencode v0.1.2
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[INFO] [stderr]    Compiling serde_with v1.14.0
[INFO] [stderr]    Compiling bendy v0.3.3
[INFO] [stderr]    Compiling midwest_mainline v0.1.1-beta (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tokio::task::Builder`
[INFO] [stdout]    --> src/dht_service.rs:20:12
[INFO] [stdout]     |
[INFO] [stdout] 20  |     task::{Builder, JoinError, JoinSet},
[INFO] [stdout]     |            ^^^^^^^ no `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing one of these items instead:
[INFO] [stdout]             std::thread::Builder
[INFO] [stdout]             tokio::runtime::Builder
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.35.1/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `tokio::task::Builder`
[INFO] [stdout]    --> src/dht_service/dht_server.rs:22:5
[INFO] [stdout]     |
[INFO] [stdout] 22  |     task::Builder,
[INFO] [stdout]     |     ^^^^^^^^^^^^^ no `Builder` in `task`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing one of these items instead:
[INFO] [stdout]             crate::dht_service::Builder
[INFO] [stdout]             std::thread::Builder
[INFO] [stdout]             tokio::runtime::Builder
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.35.1/src/task/mod.rs:366:26
[INFO] [stdout]     |
[INFO] [stdout] 366 |         pub use builder::Builder;
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `build_task` found for struct `JoinSet` in the current scope
[INFO] [stdout]    --> src/dht_service.rs:233:14
[INFO] [stdout]     |
[INFO] [stdout] 232 | /         join_set
[INFO] [stdout] 233 | |             .build_task()
[INFO] [stdout]     | |             -^^^^^^^^^^ method not found in `JoinSet<_>`
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `build_task` found for struct `JoinSet` in the current scope
[INFO] [stdout]    --> src/dht_service.rs:242:14
[INFO] [stdout]     |
[INFO] [stdout] 241 | /         join_set
[INFO] [stdout] 242 | |             .build_task()
[INFO] [stdout]     | |             -^^^^^^^^^^ method not found in `JoinSet<_>`
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `build_task` found for struct `JoinSet` in the current scope
[INFO] [stdout]    --> src/dht_service.rs:264:18
[INFO] [stdout]     |
[INFO] [stdout] 263 | /             bootstrap_join_set
[INFO] [stdout] 264 | |                 .build_task()
[INFO] [stdout]     | |                 -^^^^^^^^^^ method not found in `JoinSet<_>`
[INFO] [stdout]     | |_________________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `build_task` found for struct `JoinSet` in the current scope
[INFO] [stdout]    --> src/dht_service.rs:282:14
[INFO] [stdout]     |
[INFO] [stdout] 281 | /         join_set
[INFO] [stdout] 282 | |             .build_task()
[INFO] [stdout]     | |             -^^^^^^^^^^ method not found in `JoinSet<_>`
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `midwest_mainline` (lib) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "e6c25cfe79eb78d250412e83d52ce1a376f3a1a2a30692158ee0706719f610a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c25cfe79eb78d250412e83d52ce1a376f3a1a2a30692158ee0706719f610a1", kill_on_drop: false }`
[INFO] [stdout] e6c25cfe79eb78d250412e83d52ce1a376f3a1a2a30692158ee0706719f610a1
