[INFO] fetching crate midwest_mainline 0.1.1-beta...
[INFO] testing midwest_mainline-0.1.1-beta against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate midwest_mainline 0.1.1-beta into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate midwest_mainline 0.1.1-beta on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 399 packages to latest compatible versions
[INFO] [stderr]       Adding bendy v0.3.3 (available: v0.6.0)
[INFO] [stderr]       Adding console-subscriber v0.1.10 (available: v0.4.1)
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.0.1)
[INFO] [stderr]       Adding external-ip v4.3.0 (available: v6.0.0)
[INFO] [stderr]       Adding libloading v0.8.8 (available: v0.8.9)
[INFO] [stderr]       Adding opentelemetry v0.17.0 (available: v0.31.0)
[INFO] [stderr]       Adding opentelemetry-jaeger v0.16.0 (available: v0.22.0)
[INFO] [stderr]       Adding pretty-hex v0.3.0 (available: v0.4.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding serde_with v1.14.0 (available: v3.14.1)
[INFO] [stderr]       Adding tracing-opentelemetry v0.17.4 (available: v0.32.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05a341c6a795c35855a90a85e844a17461b5a0b6de8d5fa852affdaed66bd87b
[INFO] running `Command { std: "docker" "start" "-a" "05a341c6a795c35855a90a85e844a17461b5a0b6de8d5fa852affdaed66bd87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05a341c6a795c35855a90a85e844a17461b5a0b6de8d5fa852affdaed66bd87b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05a341c6a795c35855a90a85e844a17461b5a0b6de8d5fa852affdaed66bd87b", kill_on_drop: false }`
[INFO] [stdout] 05a341c6a795c35855a90a85e844a17461b5a0b6de8d5fa852affdaed66bd87b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b40b4543dbbfb46d1ab674d992737c93a498e8b6fef4661365244659793b219
[INFO] running `Command { std: "docker" "start" "-a" "2b40b4543dbbfb46d1ab674d992737c93a498e8b6fef4661365244659793b219", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling indenter v0.3.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling serde_unit_struct_derive v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling crc32c v0.6.8
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling serde_unit_struct v0.1.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling async-recursion v1.1.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling pretty-hex v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling juicy_bencode v0.1.3
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling color-eyre v0.6.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling bendy v0.3.3
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]    Compiling serde_with v1.14.0
[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 structs 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-1949cf8c6b5b557f/tokio-1.47.1/src/task/mod.rs:316:26
[INFO] [stdout]     |
[INFO] [stdout] 314 | /     cfg_trace! {
[INFO] [stdout] 315 | |         mod builder;
[INFO] [stdout] 316 | |         pub use builder::Builder;
[INFO] [stdout]     | |                          ^^^^^^^
[INFO] [stdout] 317 | |     }
[INFO] [stdout]     | |_____- the item is gated here
[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-1949cf8c6b5b557f/tokio-1.47.1/src/task/mod.rs:316:26
[INFO] [stdout]     |
[INFO] [stdout] 314 | /     cfg_trace! {
[INFO] [stdout] 315 | |         mod builder;
[INFO] [stdout] 316 | |         pub use builder::Builder;
[INFO] [stdout]     | |                          ^^^^^^^
[INFO] [stdout] 317 | |     }
[INFO] [stdout]     | |_____- the item is gated here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `build_task` found for struct `JoinSet<T>` 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<T>` 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<T>` 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<T>` 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] 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 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "2b40b4543dbbfb46d1ab674d992737c93a498e8b6fef4661365244659793b219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b40b4543dbbfb46d1ab674d992737c93a498e8b6fef4661365244659793b219", kill_on_drop: false }`
[INFO] [stdout] 2b40b4543dbbfb46d1ab674d992737c93a498e8b6fef4661365244659793b219
