[INFO] fetching crate effective 0.3.1...
[INFO] testing effective-0.3.1 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate effective 0.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate effective 0.3.1
[INFO] finished tweaking crates.io crate effective 0.3.1
[INFO] tweaked toml for crates.io crate effective 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate effective 0.3.1 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 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-2026-01-20" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70fcd145b220e20f6f30f429cd815db4d1f9390dfd13b54aa64f29c03f4d36e3
[INFO] running `Command { std: "docker" "start" "-a" "70fcd145b220e20f6f30f429cd815db4d1f9390dfd13b54aa64f29c03f4d36e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70fcd145b220e20f6f30f429cd815db4d1f9390dfd13b54aa64f29c03f4d36e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70fcd145b220e20f6f30f429cd815db4d1f9390dfd13b54aa64f29c03f4d36e3", kill_on_drop: false }`
[INFO] [stdout] 70fcd145b220e20f6f30f429cd815db4d1f9390dfd13b54aa64f29c03f4d36e3
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bb714c0d5176beb783692e905e94ddf497189853f6c8ad755163fb4fea26318
[INFO] running `Command { std: "docker" "start" "-a" "4bb714c0d5176beb783692e905e94ddf497189853f6c8ad755163fb4fea26318", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling effective v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "4bb714c0d5176beb783692e905e94ddf497189853f6c8ad755163fb4fea26318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb714c0d5176beb783692e905e94ddf497189853f6c8ad755163fb4fea26318", kill_on_drop: false }`
[INFO] [stdout] 4bb714c0d5176beb783692e905e94ddf497189853f6c8ad755163fb4fea26318
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51cb1d24be5679058103cd2c4ae8a560697bcba975df0da043e2637464ab5d7a
[INFO] running `Command { std: "docker" "start" "-a" "51cb1d24be5679058103cd2c4ae8a560697bcba975df0da043e2637464ab5d7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling effective v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "51cb1d24be5679058103cd2c4ae8a560697bcba975df0da043e2637464ab5d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51cb1d24be5679058103cd2c4ae8a560697bcba975df0da043e2637464ab5d7a", kill_on_drop: false }`
[INFO] [stdout] 51cb1d24be5679058103cd2c4ae8a560697bcba975df0da043e2637464ab5d7a
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26271797a298a3207bf214784c89b4c6a6f28e022e37641b067482ee8d76c839
[INFO] running `Command { std: "docker" "start" "-a" "26271797a298a3207bf214784c89b4c6a6f28e022e37641b067482ee8d76c839", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/effective-7c2c58097a5cee32)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests effective
[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] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/impls/mod.rs - impls::EffectiveExt::unwrap (line 205) ... ok
[INFO] [stdout] test src/impls/mod.rs - impls::EffectiveExt::map (line 91) ... ok
[INFO] [stdout] test src/impls/mod.rs - impls::EffectiveExt::map (line 101) ... ok
[INFO] [stdout] test src/lib.rs - (line 159) ... ignored
[INFO] [stdout] test src/lib.rs - (line 207) ... ignored
[INFO] [stdout] test src/lib.rs - (line 248) ... ignored
[INFO] [stdout] test src/impls/mod.rs - impls::EffectiveExt::map (line 112) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ignored
[INFO] [stdout] test src/impls/mod.rs - impls::EffectiveExt::collect (line 151) ... ok
[INFO] [stdout] test src/impls/mod.rs - impls::EffectiveExt::fold (line 275) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 27) ... ok
[INFO] [stdout] test src/impls/mod.rs - impls::EffectiveExt::block_on (line 175) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 106) ... ok
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 94) ... ok
[INFO] [stdout] test src/lib.rs - (line 131) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/impls/mod.rs - impls::EffectiveExt::fold (line 275) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> src/impls/mod.rs:279:15
[INFO] [stdout]     |
[INFO] [stdout] 279 | let runtime = tokio::runtime::Builder::new_current_thread().build().unwrap();
[INFO] [stdout]     |               ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 274 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 279 - let runtime = tokio::runtime::Builder::new_current_thread().build().unwrap();
[INFO] [stdout] 279 + let runtime = Builder::new_current_thread().build().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/impls/mod.rs - impls::EffectiveExt::block_on (line 175) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    --> src/impls/mod.rs:179:15
[INFO] [stdout]     |
[INFO] [stdout] 179 | let runtime = tokio::runtime::Builder::new_current_thread().build().unwrap();
[INFO] [stdout]     |               ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 174 + use std::thread::Builder;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `Builder`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 179 - let runtime = tokio::runtime::Builder::new_current_thread().build().unwrap();
[INFO] [stdout] 179 + let runtime = Builder::new_current_thread().build().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/impls/mod.rs - impls::EffectiveExt::block_on (line 175)
[INFO] [stdout]     src/impls/mod.rs - impls::EffectiveExt::fold (line 275)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 2 failed; 4 ignored; 0 measured; 0 filtered out; finished in 1.30s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "26271797a298a3207bf214784c89b4c6a6f28e022e37641b067482ee8d76c839", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26271797a298a3207bf214784c89b4c6a6f28e022e37641b067482ee8d76c839", kill_on_drop: false }`
[INFO] [stdout] 26271797a298a3207bf214784c89b4c6a6f28e022e37641b067482ee8d76c839
