[INFO] fetching crate cat-dev-telnet 0.0.13...
[INFO] testing cat-dev-telnet-0.0.13 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate cat-dev-telnet 0.0.13 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate cat-dev-telnet 0.0.13
[INFO] finished tweaking crates.io crate cat-dev-telnet 0.0.13
[INFO] tweaked toml for crates.io crate cat-dev-telnet 0.0.13 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cat-dev-telnet 0.0.13 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cat-dev-telnet 0.0.13 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-test v0.2.5
[INFO] [stderr]   Downloaded valuable-derive v0.1.1
[INFO] [stderr]   Downloaded tracing-test-macro v0.2.5
[INFO] [stderr]   Downloaded regex-syntax v0.8.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b9357e20a7ddffa9c2a355d6c47492fa45512046b0f6183976c51689ef72776
[INFO] running `Command { std: "docker" "start" "-a" "5b9357e20a7ddffa9c2a355d6c47492fa45512046b0f6183976c51689ef72776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b9357e20a7ddffa9c2a355d6c47492fa45512046b0f6183976c51689ef72776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b9357e20a7ddffa9c2a355d6c47492fa45512046b0f6183976c51689ef72776", kill_on_drop: false }`
[INFO] [stdout] 5b9357e20a7ddffa9c2a355d6c47492fa45512046b0f6183976c51689ef72776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8605abbd9445629e176a37b20f9d260bc6220bb56b5b1c479bd53c71a77a1881
[INFO] running `Command { std: "docker" "start" "-a" "8605abbd9445629e176a37b20f9d260bc6220bb56b5b1c479bd53c71a77a1881", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling valuable v0.1.1
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling supports-hyperlinks v3.1.0
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling terminal_size v0.4.3
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling miette-derive v7.6.0
[INFO] [stderr]    Compiling valuable-derive v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling miette v7.6.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling cat-dev-telnet v0.0.13 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tokio::task::Builder`
[INFO] [stdout]    --> src/lib.rs:33:2
[INFO] [stdout]     |
[INFO] [stdout]  33 |     task::Builder as TaskBuilder,
[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]             tokio_util::codec::length_delimited::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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cat-dev-telnet` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8605abbd9445629e176a37b20f9d260bc6220bb56b5b1c479bd53c71a77a1881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8605abbd9445629e176a37b20f9d260bc6220bb56b5b1c479bd53c71a77a1881", kill_on_drop: false }`
[INFO] [stdout] 8605abbd9445629e176a37b20f9d260bc6220bb56b5b1c479bd53c71a77a1881