[INFO] fetching crate async-once-cell 0.3.0...
[INFO] testing async-once-cell-0.3.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate async-once-cell 0.3.0 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate async-once-cell 0.3.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-once-cell 0.3.0
[INFO] finished tweaking crates.io crate async-once-cell 0.3.0
[INFO] tweaked toml for crates.io crate async-once-cell 0.3.0 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28509549cec0ef76ea0061e3cd6ea8ea4fe0f16b24f37341fce3f7e4985ec7c8
[INFO] running `Command { std: "docker" "start" "-a" "28509549cec0ef76ea0061e3cd6ea8ea4fe0f16b24f37341fce3f7e4985ec7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28509549cec0ef76ea0061e3cd6ea8ea4fe0f16b24f37341fce3f7e4985ec7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28509549cec0ef76ea0061e3cd6ea8ea4fe0f16b24f37341fce3f7e4985ec7c8", kill_on_drop: false }`
[INFO] [stdout] 28509549cec0ef76ea0061e3cd6ea8ea4fe0f16b24f37341fce3f7e4985ec7c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebf770be22e5837403d7a4d9ffe1adbd1247db4b75e248aa8684da0b152ffdaa
[INFO] running `Command { std: "docker" "start" "-a" "ebf770be22e5837403d7a4d9ffe1adbd1247db4b75e248aa8684da0b152ffdaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-once-cell v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "ebf770be22e5837403d7a4d9ffe1adbd1247db4b75e248aa8684da0b152ffdaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf770be22e5837403d7a4d9ffe1adbd1247db4b75e248aa8684da0b152ffdaa", kill_on_drop: false }`
[INFO] [stdout] ebf770be22e5837403d7a4d9ffe1adbd1247db4b75e248aa8684da0b152ffdaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eae76fbd6c285d4ac5d4966f8376182f16481edb3d47b693cdd37dcc37f8a47
[INFO] running `Command { std: "docker" "start" "-a" "7eae76fbd6c285d4ac5d4966f8376182f16481edb3d47b693cdd37dcc37f8a47", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-once-cell v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "7eae76fbd6c285d4ac5d4966f8376182f16481edb3d47b693cdd37dcc37f8a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eae76fbd6c285d4ac5d4966f8376182f16481edb3d47b693cdd37dcc37f8a47", kill_on_drop: false }`
[INFO] [stdout] 7eae76fbd6c285d4ac5d4966f8376182f16481edb3d47b693cdd37dcc37f8a47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 18acfe5ecbc4496d9eaa8b4d490a734981f2fe2701b1374e1c80a8fb733afe5d
[INFO] running `Command { std: "docker" "start" "-a" "18acfe5ecbc4496d9eaa8b4d490a734981f2fe2701b1374e1c80a8fb733afe5d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_once_cell-d58432d3c2286545)
[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 async-once-cell
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - OnceCell (line 43) ... ok
[INFO] [stdout] test src/lib.rs - Lazy (line 1027) ... ok
[INFO] [stdout] test src/lib.rs - Lazy (line 1043) ... ok
[INFO] [stdout] test src/lib.rs - OnceFuture (line 511) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "18acfe5ecbc4496d9eaa8b4d490a734981f2fe2701b1374e1c80a8fb733afe5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18acfe5ecbc4496d9eaa8b4d490a734981f2fe2701b1374e1c80a8fb733afe5d", kill_on_drop: false }`
[INFO] [stdout] 18acfe5ecbc4496d9eaa8b4d490a734981f2fe2701b1374e1c80a8fb733afe5d