[INFO] fetching crate tokio_env 0.1.0... [INFO] testing tokio_env-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate tokio_env 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate tokio_env 0.1.0 [INFO] finished tweaking crates.io crate tokio_env 0.1.0 [INFO] tweaked toml for crates.io crate tokio_env 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tokio_env 0.1.0 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 33 packages to latest compatible versions [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cee59ab613bb44fa95339205282f4632e7e0559e598a4c1e14fe88a4f5752573 [INFO] running `Command { std: "docker" "start" "-a" "cee59ab613bb44fa95339205282f4632e7e0559e598a4c1e14fe88a4f5752573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cee59ab613bb44fa95339205282f4632e7e0559e598a4c1e14fe88a4f5752573", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cee59ab613bb44fa95339205282f4632e7e0559e598a4c1e14fe88a4f5752573", kill_on_drop: false }` [INFO] [stdout] cee59ab613bb44fa95339205282f4632e7e0559e598a4c1e14fe88a4f5752573 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 53dc7536af1716b45fcce1f27c0447fccdff878daaf4c57e9ccf8736b8c32f62 [INFO] running `Command { std: "docker" "start" "-a" "53dc7536af1716b45fcce1f27c0447fccdff878daaf4c57e9ccf8736b8c32f62", kill_on_drop: false }` [INFO] [stderr] Compiling tokio v1.47.1 [INFO] [stderr] Compiling tokio_env_macro v0.1.0 [INFO] [stderr] Compiling tokio_env v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.08s [INFO] running `Command { std: "docker" "inspect" "53dc7536af1716b45fcce1f27c0447fccdff878daaf4c57e9ccf8736b8c32f62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53dc7536af1716b45fcce1f27c0447fccdff878daaf4c57e9ccf8736b8c32f62", kill_on_drop: false }` [INFO] [stdout] 53dc7536af1716b45fcce1f27c0447fccdff878daaf4c57e9ccf8736b8c32f62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f465c3d32dfe085e39efe8c4257c013e951bc62b8b9591b74137cab86a5354be [INFO] running `Command { std: "docker" "start" "-a" "f465c3d32dfe085e39efe8c4257c013e951bc62b8b9591b74137cab86a5354be", kill_on_drop: false }` [INFO] [stderr] Compiling tokio_env v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "f465c3d32dfe085e39efe8c4257c013e951bc62b8b9591b74137cab86a5354be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f465c3d32dfe085e39efe8c4257c013e951bc62b8b9591b74137cab86a5354be", kill_on_drop: false }` [INFO] [stdout] f465c3d32dfe085e39efe8c4257c013e951bc62b8b9591b74137cab86a5354be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 11ffc5a29492437e210cff3693dd1caf0b688a5a1b2e9b3ba748648248f18346 [INFO] running `Command { std: "docker" "start" "-a" "11ffc5a29492437e210cff3693dd1caf0b688a5a1b2e9b3ba748648248f18346", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_env-2d592fbf2ba4703e) [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 tokio_env [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - start_with (line 30) ... FAILED [INFO] [stdout] test src/lib.rs - start_with (line 42) ... FAILED [INFO] [stdout] test src/lib.rs - start_with (line 19) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - start_with (line 30) stdout ---- [INFO] [stdout] error[E0277]: `main` has invalid return type `i32` [INFO] [stdout] --> src/lib.rs:33:20 [INFO] [stdout] | [INFO] [stdout] 5 | async fn main() -> i32 { [INFO] [stdout] | ^^^ `main` can only return types that implement `Termination` [INFO] [stdout] | [INFO] [stdout] = help: consider using `()`, or a `Result` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - start_with (line 42) stdout ---- [INFO] [stdout] error[E0277]: `fn() -> impl Future {run}` is not a future [INFO] [stdout] --> src/lib.rs:46:43 [INFO] [stdout] | [INFO] [stdout] 6 | let exit_code = tokio_env::start_with(run) [INFO] [stdout] | --------------------- ^^^ `fn() -> impl Future {run}` is not a future [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = help: the trait `Future` is not implemented for fn item `fn() -> impl Future {run}` [INFO] [stdout] note: required by a bound in `start_with` [INFO] [stdout] --> /opt/rustwide/workdir/src/lib.rs:57:22 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn start_with(fun: F) -> tokio::io::Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ required by this bound in `start_with` [INFO] [stdout] help: use parentheses to call this function [INFO] [stdout] | [INFO] [stdout] 6 | let exit_code = tokio_env::start_with(run()) [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] error[E0277]: `fn() -> impl Future {run}` is not a future [INFO] [stdout] --> src/lib.rs:46:21 [INFO] [stdout] | [INFO] [stdout] 6 | let exit_code = tokio_env::start_with(run) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ `fn() -> impl Future {run}` is not a future [INFO] [stdout] ... [INFO] [stdout] 11 | async fn run() -> i32 { [INFO] [stdout] | --- consider calling this function [INFO] [stdout] | [INFO] [stdout] = help: the trait `Future` is not implemented for fn item `fn() -> impl Future {run}` [INFO] [stdout] = help: use parentheses to call this function: `run()` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - start_with (line 19) stdout ---- [INFO] [stdout] error[E0599]: `&mut tokio::runtime::Builder` is not an iterator [INFO] [stdout] --> src/lib.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 3 | / tokio::runtime::Builder::new_multi_thread() [INFO] [stdout] 4 | | .enable_all() [INFO] [stdout] 5 | | .map(|runtime| runtime.block_on(fun)); [INFO] [stdout] | | -^^^ `&mut tokio::runtime::Builder` is not an iterator [INFO] [stdout] | |_____| [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/builder.rs:48:1 [INFO] [stdout] | [INFO] [stdout] 48 | pub struct Builder { [INFO] [stdout] | ------------------ doesn't satisfy `tokio::runtime::Builder: Iterator` [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `tokio::runtime::Builder: Iterator` [INFO] [stdout] which is required by `&mut tokio::runtime::Builder: Iterator` [INFO] [stdout] `&mut tokio::runtime::Builder: Iterator` [INFO] [stdout] which is required by `&mut &mut tokio::runtime::Builder: Iterator` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - start_with (line 19) [INFO] [stdout] src/lib.rs - start_with (line 30) [INFO] [stdout] src/lib.rs - start_with (line 42) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "11ffc5a29492437e210cff3693dd1caf0b688a5a1b2e9b3ba748648248f18346", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11ffc5a29492437e210cff3693dd1caf0b688a5a1b2e9b3ba748648248f18346", kill_on_drop: false }` [INFO] [stdout] 11ffc5a29492437e210cff3693dd1caf0b688a5a1b2e9b3ba748648248f18346