[INFO] fetching crate measured-tokio 0.0.24...
[INFO] testing measured-tokio-0.0.24 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate measured-tokio 0.0.24 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate measured-tokio 0.0.24
[INFO] finished tweaking crates.io crate measured-tokio 0.0.24
[INFO] tweaked toml for crates.io crate measured-tokio 0.0.24 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate measured-tokio 0.0.24 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate measured-tokio 0.0.24 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86b6c6a7a4f21b42cdab0616f0f0ae231bbb0068bd5fb826b422251830df6d6a
[INFO] running `Command { std: "docker" "start" "-a" "86b6c6a7a4f21b42cdab0616f0f0ae231bbb0068bd5fb826b422251830df6d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86b6c6a7a4f21b42cdab0616f0f0ae231bbb0068bd5fb826b422251830df6d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b6c6a7a4f21b42cdab0616f0f0ae231bbb0068bd5fb826b422251830df6d6a", kill_on_drop: false }`
[INFO] [stdout] 86b6c6a7a4f21b42cdab0616f0f0ae231bbb0068bd5fb826b422251830df6d6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e56fa4a1914430717e9fe275b4a5fd9f371963ae2d550b5756c95cfab877baf0
[INFO] running `Command { std: "docker" "start" "-a" "e56fa4a1914430717e9fe275b4a5fd9f371963ae2d550b5756c95cfab877baf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling measured-derive v0.0.24
[INFO] [stderr]    Compiling measured v0.0.24
[INFO] [stderr]    Compiling measured-tokio v0.0.24 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.65s
[INFO] running `Command { std: "docker" "inspect" "e56fa4a1914430717e9fe275b4a5fd9f371963ae2d550b5756c95cfab877baf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56fa4a1914430717e9fe275b4a5fd9f371963ae2d550b5756c95cfab877baf0", kill_on_drop: false }`
[INFO] [stdout] e56fa4a1914430717e9fe275b4a5fd9f371963ae2d550b5756c95cfab877baf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a077b214e10cdae0bc6b5cd134907c038fe4bc8363b4c64a4cffdbc44b69fe41
[INFO] running `Command { std: "docker" "start" "-a" "a077b214e10cdae0bc6b5cd134907c038fe4bc8363b4c64a4cffdbc44b69fe41", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling measured-tokio v0.0.24 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "a077b214e10cdae0bc6b5cd134907c038fe4bc8363b4c64a4cffdbc44b69fe41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a077b214e10cdae0bc6b5cd134907c038fe4bc8363b4c64a4cffdbc44b69fe41", kill_on_drop: false }`
[INFO] [stdout] a077b214e10cdae0bc6b5cd134907c038fe4bc8363b4c64a4cffdbc44b69fe41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d47c14462b8541e6ce1997b470b8837733bdab6f70dcaa1762ee0511d2313350
[INFO] running `Command { std: "docker" "start" "-a" "d47c14462b8541e6ce1997b470b8837733bdab6f70dcaa1762ee0511d2313350", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/measured_tokio-23c73331e99215aa)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests measured_tokio
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error[E0433]: cannot find `main` in `tokio`
[INFO] [stdout]   --> src/lib.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | #[tokio::main]
[INFO] [stdout]    |          ^^^^ could not find `main` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | async fn main() {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.22s; merged doctests compilation took 0.10s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d47c14462b8541e6ce1997b470b8837733bdab6f70dcaa1762ee0511d2313350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47c14462b8541e6ce1997b470b8837733bdab6f70dcaa1762ee0511d2313350", kill_on_drop: false }`
[INFO] [stdout] d47c14462b8541e6ce1997b470b8837733bdab6f70dcaa1762ee0511d2313350
