[INFO] cloning repository https://github.com/Internal-Compiler-Error/midwest_mainline
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Internal-Compiler-Error/midwest_mainline" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInternal-Compiler-Error%2Fmidwest_mainline", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInternal-Compiler-Error%2Fmidwest_mainline'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38950793047e315dc1276f7e26230f78f93312ab
[INFO] checking Internal-Compiler-Error/midwest_mainline against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInternal-Compiler-Error%2Fmidwest_mainline" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Internal-Compiler-Error/midwest_mainline on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Internal-Compiler-Error/midwest_mainline
[INFO] finished tweaking git repo https://github.com/Internal-Compiler-Error/midwest_mainline
[INFO] tweaked toml for git repo https://github.com/Internal-Compiler-Error/midwest_mainline written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Internal-Compiler-Error/midwest_mainline 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69bbba41d0d9a008bd3473444dffda36490e2f530609f962fc5699e0fb773efa
[INFO] running `Command { std: "docker" "start" "-a" "69bbba41d0d9a008bd3473444dffda36490e2f530609f962fc5699e0fb773efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69bbba41d0d9a008bd3473444dffda36490e2f530609f962fc5699e0fb773efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69bbba41d0d9a008bd3473444dffda36490e2f530609f962fc5699e0fb773efa", kill_on_drop: false }`
[INFO] [stdout] 69bbba41d0d9a008bd3473444dffda36490e2f530609f962fc5699e0fb773efa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 473a0ceffc061d664b0a8ff9b55851795f5ce3601f7b03fbb5a8acddfb29801a
[INFO] running `Command { std: "docker" "start" "-a" "473a0ceffc061d664b0a8ff9b55851795f5ce3601f7b03fbb5a8acddfb29801a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
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[INFO] [stderr]    Compiling derive_more v0.99.17
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[INFO] [stderr]     Checking opentelemetry-semantic-conventions v0.9.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]    Compiling async-recursion v1.0.0
[INFO] [stderr]     Checking opentelemetry-jaeger v0.16.0
[INFO] [stderr]     Checking tower-http v0.3.4
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[INFO] [stderr]     Checking serde_unit_struct v0.1.1
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[INFO] [stderr]     Checking trust-dns-resolver v0.20.4
[INFO] [stderr]     Checking juicy_bencode v0.1.2
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[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking bendy v0.3.3
[INFO] [stderr]     Checking midwest_mainline v0.1.1-beta (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `tokio::task::Builder`, `tokio::task::JoinSet`
[INFO] [stdout]   --> src/dht_service.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     task::{Builder, JoinError, JoinSet},
[INFO] [stdout]    |            ^^^^^^^             ^^^^^^^ no `JoinSet` in `task`
[INFO] [stdout]    |            |
[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] 
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `midwest_mainline` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "473a0ceffc061d664b0a8ff9b55851795f5ce3601f7b03fbb5a8acddfb29801a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473a0ceffc061d664b0a8ff9b55851795f5ce3601f7b03fbb5a8acddfb29801a", kill_on_drop: false }`
[INFO] [stdout] 473a0ceffc061d664b0a8ff9b55851795f5ce3601f7b03fbb5a8acddfb29801a
