[INFO] fetching crate async-once-cell 0.5.3...
[INFO] testing async-once-cell-0.5.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate async-once-cell 0.5.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate async-once-cell 0.5.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-once-cell 0.5.3
[INFO] finished tweaking crates.io crate async-once-cell 0.5.3
[INFO] tweaked toml for crates.io crate async-once-cell 0.5.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded critical-section v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a705acefa7b31d2c2491aa5f1f26c7a205d1b3b2d7c3f060aee3e6f8f8bf77f
[INFO] running `Command { std: "docker" "start" "-a" "7a705acefa7b31d2c2491aa5f1f26c7a205d1b3b2d7c3f060aee3e6f8f8bf77f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a705acefa7b31d2c2491aa5f1f26c7a205d1b3b2d7c3f060aee3e6f8f8bf77f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a705acefa7b31d2c2491aa5f1f26c7a205d1b3b2d7c3f060aee3e6f8f8bf77f", kill_on_drop: false }`
[INFO] [stdout] 7a705acefa7b31d2c2491aa5f1f26c7a205d1b3b2d7c3f060aee3e6f8f8bf77f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cf65001d6a31e34ea64c6331e2ae2448718f633167a47ebd4076f8773d56a82
[INFO] running `Command { std: "docker" "start" "-a" "9cf65001d6a31e34ea64c6331e2ae2448718f633167a47ebd4076f8773d56a82", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-once-cell v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "9cf65001d6a31e34ea64c6331e2ae2448718f633167a47ebd4076f8773d56a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf65001d6a31e34ea64c6331e2ae2448718f633167a47ebd4076f8773d56a82", kill_on_drop: false }`
[INFO] [stdout] 9cf65001d6a31e34ea64c6331e2ae2448718f633167a47ebd4076f8773d56a82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 276c3e1c4313bb9dc3eff144e80a3c4ff532f3fc83c0e23410fd551d9493bff3
[INFO] running `Command { std: "docker" "start" "-a" "276c3e1c4313bb9dc3eff144e80a3c4ff532f3fc83c0e23410fd551d9493bff3", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-once-cell v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "276c3e1c4313bb9dc3eff144e80a3c4ff532f3fc83c0e23410fd551d9493bff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276c3e1c4313bb9dc3eff144e80a3c4ff532f3fc83c0e23410fd551d9493bff3", kill_on_drop: false }`
[INFO] [stdout] 276c3e1c4313bb9dc3eff144e80a3c4ff532f3fc83c0e23410fd551d9493bff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94a22a3ed5f6cacc2a51af68c479ac456dc6b01d955333249ace9833d1cd3a15
[INFO] running `Command { std: "docker" "start" "-a" "94a22a3ed5f6cacc2a51af68c479ac456dc6b01d955333249ace9833d1cd3a15", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_once_cell-6cbe706d34aea8b8)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::fast_path_tricked ... ok
[INFO] [stdout] test test::second_try ... ok
[INFO] [stdout] test test::slow_path ... ok
[INFO] [stdout] test test::lazy_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-once-cell
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - Lazy (line 1002) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - Lazy (line 1031) ... ok
[INFO] [stdout] test src/lib.rs - Lazy (line 1014) ... ok
[INFO] [stdout] test src/lib.rs - Lazy (line 975) ... ok
[INFO] [stdout] test src/lib.rs - OnceCell (line 164) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Lazy (line 1002) stdout ----
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1001:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(const_async_blocks)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1002:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Lazy (line 1002)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "94a22a3ed5f6cacc2a51af68c479ac456dc6b01d955333249ace9833d1cd3a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a22a3ed5f6cacc2a51af68c479ac456dc6b01d955333249ace9833d1cd3a15", kill_on_drop: false }`
[INFO] [stdout] 94a22a3ed5f6cacc2a51af68c479ac456dc6b01d955333249ace9833d1cd3a15
