[INFO] fetching crate opifex 0.3.0...
[INFO] testing opifex-0.3.0 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate opifex 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate opifex 0.3.0
[INFO] finished tweaking crates.io crate opifex 0.3.0
[INFO] tweaked toml for crates.io crate opifex 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate opifex 0.3.0 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 opifex 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] 944ba73eabae62c1c9789d1455217f493f7cbcf0115511ac62e3b32513a99e3c
[INFO] running `Command { std: "docker" "start" "-a" "944ba73eabae62c1c9789d1455217f493f7cbcf0115511ac62e3b32513a99e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "944ba73eabae62c1c9789d1455217f493f7cbcf0115511ac62e3b32513a99e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944ba73eabae62c1c9789d1455217f493f7cbcf0115511ac62e3b32513a99e3c", kill_on_drop: false }`
[INFO] [stdout] 944ba73eabae62c1c9789d1455217f493f7cbcf0115511ac62e3b32513a99e3c
[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] 836a9e96a04086d791d47e8bb15cda3855584c07a54d36be80f104990d53c796
[INFO] running `Command { std: "docker" "start" "-a" "836a9e96a04086d791d47e8bb15cda3855584c07a54d36be80f104990d53c796", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling opifex v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.84s
[INFO] running `Command { std: "docker" "inspect" "836a9e96a04086d791d47e8bb15cda3855584c07a54d36be80f104990d53c796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836a9e96a04086d791d47e8bb15cda3855584c07a54d36be80f104990d53c796", kill_on_drop: false }`
[INFO] [stdout] 836a9e96a04086d791d47e8bb15cda3855584c07a54d36be80f104990d53c796
[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] 8a186b14a5b572b5555856b18fd4d9af5cbd465baeeb468386f70de70c6b9429
[INFO] running `Command { std: "docker" "start" "-a" "8a186b14a5b572b5555856b18fd4d9af5cbd465baeeb468386f70de70c6b9429", kill_on_drop: false }`
[INFO] [stderr]    Compiling opifex v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "8a186b14a5b572b5555856b18fd4d9af5cbd465baeeb468386f70de70c6b9429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a186b14a5b572b5555856b18fd4d9af5cbd465baeeb468386f70de70c6b9429", kill_on_drop: false }`
[INFO] [stdout] 8a186b14a5b572b5555856b18fd4d9af5cbd465baeeb468386f70de70c6b9429
[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] c666e2045c98def929c44106403a1539211a356f602c5dc9910506eba8dc513d
[INFO] running `Command { std: "docker" "start" "-a" "c666e2045c98def929c44106403a1539211a356f602c5dc9910506eba8dc513d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/opifex-d4e537fb18ae4751)
[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 opifex
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 86) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 72) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 80) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 86) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `adder_worker` in this scope
[INFO] [stdout]   --> src/lib.rs:87:17
[INFO] [stdout]    |
[INFO] [stdout] 87 | if let Err(e) = adder_worker.post_message(Sum { a: 24, b: 28 }).await {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Sum` in this scope
[INFO] [stdout]   --> src/lib.rs:87:43
[INFO] [stdout]    |
[INFO] [stdout] 87 | if let Err(e) = adder_worker.post_message(Sum { a: 24, b: 28 }).await {
[INFO] [stdout]    |                                           ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:87:65
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_86_0() {
[INFO] [stdout]    |                                      ---------------------------------- this is not `async`
[INFO] [stdout] 87 | if let Err(e) = adder_worker.post_message(Sum { a: 24, b: 28 }).await {
[INFO] [stdout]    |                                                                 ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 32) stdout ----
[INFO] [stdout] error[E0405]: cannot find trait `Task` in this scope
[INFO] [stdout]   --> src/lib.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 |  impl Task for Adder {
[INFO] [stdout]    |       ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Sum` in this scope
[INFO] [stdout]   --> src/lib.rs:36:50
[INFO] [stdout]    |
[INFO] [stdout] 36 |      type Handle = handle::Worker<handle::TwoWay<Sum, Result>>;
[INFO] [stdout]    |                                                  ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 32 + use std::iter::Sum;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `handle` in this scope
[INFO] [stdout]   --> src/lib.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |      type Handle = handle::Worker<handle::TwoWay<Sum, Result>>;
[INFO] [stdout]    |                    ^^^^^^ use of unresolved module or unlinked crate `handle`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file src/handle.rs, use `mod handle` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout] 32 + mod handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `handle` in this scope
[INFO] [stdout]   --> src/lib.rs:36:35
[INFO] [stdout]    |
[INFO] [stdout] 36 |      type Handle = handle::Worker<handle::TwoWay<Sum, Result>>;
[INFO] [stdout]    |                                   ^^^^^^ use of unresolved module or unlinked crate `handle`
[INFO] [stdout]    |
[INFO] [stdout] help: to make use of source file src/handle.rs, use `mod handle` in this file to declare the module
[INFO] [stdout]    |
[INFO] [stdout] 32 + mod handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 72) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `TwoWay` in this scope
[INFO] [stdout]   --> src/lib.rs:73:29
[INFO] [stdout]    |
[INFO] [stdout] 73 | let adder_worker = Worker::<TwoWay<Sum, Result>>::spawn(Adder {});
[INFO] [stdout]    |                             ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Sum` in this scope
[INFO] [stdout]   --> src/lib.rs:73:36
[INFO] [stdout]    |
[INFO] [stdout] 73 | let adder_worker = Worker::<TwoWay<Sum, Result>>::spawn(Adder {});
[INFO] [stdout]    |                                    ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 72 + use std::iter::Sum;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Adder` in this scope
[INFO] [stdout]   --> src/lib.rs:73:57
[INFO] [stdout]    |
[INFO] [stdout] 73 | let adder_worker = Worker::<TwoWay<Sum, Result>>::spawn(Adder {});
[INFO] [stdout]    |                                                         ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Worker` in this scope
[INFO] [stdout]   --> src/lib.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 | let adder_worker = Worker::<TwoWay<Sum, Result>>::spawn(Adder {});
[INFO] [stdout]    |                    ^^^^^^ use of undeclared type `Worker`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 80) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `adder_worker` in this scope
[INFO] [stdout]   --> src/lib.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 | let response_worker = adder_worker.on_message(Response {});
[INFO] [stdout]    |                       ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Response` in this scope
[INFO] [stdout]   --> src/lib.rs:81:47
[INFO] [stdout]    |
[INFO] [stdout] 81 | let response_worker = adder_worker.on_message(Response {});
[INFO] [stdout]    |                                               ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 32)
[INFO] [stdout]     src/lib.rs - (line 72)
[INFO] [stdout]     src/lib.rs - (line 80)
[INFO] [stdout]     src/lib.rs - (line 86)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 4 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" "c666e2045c98def929c44106403a1539211a356f602c5dc9910506eba8dc513d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c666e2045c98def929c44106403a1539211a356f602c5dc9910506eba8dc513d", kill_on_drop: false }`
[INFO] [stdout] c666e2045c98def929c44106403a1539211a356f602c5dc9910506eba8dc513d
