[INFO] fetching crate async-once-cell 0.5.3...
[INFO] testing async-once-cell-0.5.3 against 1.76.0 for beta-1.77-1
[INFO] extracting crate async-once-cell 0.5.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate async-once-cell 0.5.3 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4137b9bf1486942b4d0b16b13af65076a77f8263bf593cadfb311d0e5d2d0a5
[INFO] running `Command { std: "docker" "start" "-a" "a4137b9bf1486942b4d0b16b13af65076a77f8263bf593cadfb311d0e5d2d0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4137b9bf1486942b4d0b16b13af65076a77f8263bf593cadfb311d0e5d2d0a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4137b9bf1486942b4d0b16b13af65076a77f8263bf593cadfb311d0e5d2d0a5", kill_on_drop: false }`
[INFO] [stdout] a4137b9bf1486942b4d0b16b13af65076a77f8263bf593cadfb311d0e5d2d0a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d09f0ab66423efb86642ee8af40d778222ee8f8581fbb7134084774ae4dbe79
[INFO] running `Command { std: "docker" "start" "-a" "7d09f0ab66423efb86642ee8af40d778222ee8f8581fbb7134084774ae4dbe79", 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 0.16s
[INFO] running `Command { std: "docker" "inspect" "7d09f0ab66423efb86642ee8af40d778222ee8f8581fbb7134084774ae4dbe79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d09f0ab66423efb86642ee8af40d778222ee8f8581fbb7134084774ae4dbe79", kill_on_drop: false }`
[INFO] [stdout] 7d09f0ab66423efb86642ee8af40d778222ee8f8581fbb7134084774ae4dbe79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 908de0ca1fad01bb33ad928a43b4d860c7f18c4404a51dbcea41a2f68d357efe
[INFO] running `Command { std: "docker" "start" "-a" "908de0ca1fad01bb33ad928a43b4d860c7f18c4404a51dbcea41a2f68d357efe", 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "908de0ca1fad01bb33ad928a43b4d860c7f18c4404a51dbcea41a2f68d357efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908de0ca1fad01bb33ad928a43b4d860c7f18c4404a51dbcea41a2f68d357efe", kill_on_drop: false }`
[INFO] [stdout] 908de0ca1fad01bb33ad928a43b4d860c7f18c4404a51dbcea41a2f68d357efe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 316819a6900d93f233287c87c341509d65db4026e18e99e13bec3ef515316f17
[INFO] running `Command { std: "docker" "start" "-a" "316819a6900d93f233287c87c341509d65db4026e18e99e13bec3ef515316f17", 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-bc07479d4674d714)
[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" "316819a6900d93f233287c87c341509d65db4026e18e99e13bec3ef515316f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316819a6900d93f233287c87c341509d65db4026e18e99e13bec3ef515316f17", kill_on_drop: false }`
[INFO] [stdout] 316819a6900d93f233287c87c341509d65db4026e18e99e13bec3ef515316f17
