[INFO] fetching crate async_cell 0.2.1...
[INFO] testing async_cell-0.2.1 against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025
[INFO] extracting crate async_cell 0.2.1 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate async_cell 0.2.1 on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_cell 0.2.1
[INFO] finished tweaking crates.io crate async_cell 0.2.1
[INFO] tweaked toml for crates.io crate async_cell 0.2.1 written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "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" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "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-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cea9ed84fc31fb47fe309c1333d453d5e7a46fdd5fdfcf8205a3b38b87b7806
[INFO] running `Command { std: "docker" "start" "-a" "3cea9ed84fc31fb47fe309c1333d453d5e7a46fdd5fdfcf8205a3b38b87b7806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cea9ed84fc31fb47fe309c1333d453d5e7a46fdd5fdfcf8205a3b38b87b7806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cea9ed84fc31fb47fe309c1333d453d5e7a46fdd5fdfcf8205a3b38b87b7806", kill_on_drop: false }`
[INFO] [stdout] 3cea9ed84fc31fb47fe309c1333d453d5e7a46fdd5fdfcf8205a3b38b87b7806
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22eedc3fc62bbc166178ccfe522404ff4834133160a1c7b4d3065e1b9caca0ac
[INFO] running `Command { std: "docker" "start" "-a" "22eedc3fc62bbc166178ccfe522404ff4834133160a1c7b4d3065e1b9caca0ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling async_cell v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "22eedc3fc62bbc166178ccfe522404ff4834133160a1c7b4d3065e1b9caca0ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22eedc3fc62bbc166178ccfe522404ff4834133160a1c7b4d3065e1b9caca0ac", kill_on_drop: false }`
[INFO] [stdout] 22eedc3fc62bbc166178ccfe522404ff4834133160a1c7b4d3065e1b9caca0ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9adb290b3b3f063a98e151079047000fbe76054b31c97aac62a083952c542d29
[INFO] running `Command { std: "docker" "start" "-a" "9adb290b3b3f063a98e151079047000fbe76054b31c97aac62a083952c542d29", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling generator v0.7.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling tracing v0.1.34
[INFO] [stderr]    Compiling tracing-subscriber v0.3.11
[INFO] [stderr]    Compiling loom v0.5.4
[INFO] [stderr]    Compiling async_cell v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.87s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_cell-e40d428c3766ff03)
[INFO] [stderr]   Executable tests/cell.rs (/opt/rustwide/target/debug/deps/cell-7077216d7bbae4b3)
[INFO] [stderr]   Executable tests/utils.rs (/opt/rustwide/target/debug/deps/utils-69081377ee91d81c)
[INFO] running `Command { std: "docker" "inspect" "9adb290b3b3f063a98e151079047000fbe76054b31c97aac62a083952c542d29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9adb290b3b3f063a98e151079047000fbe76054b31c97aac62a083952c542d29", kill_on_drop: false }`
[INFO] [stdout] 9adb290b3b3f063a98e151079047000fbe76054b31c97aac62a083952c542d29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4649c9ac8981c18a6fd535d965014a7eb979d94e5d71303c408464f9bdca6950
[INFO] running `Command { std: "docker" "start" "-a" "4649c9ac8981c18a6fd535d965014a7eb979d94e5d71303c408464f9bdca6950", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/async_cell-e40d428c3766ff03)
[INFO] [stderr]      Running tests/cell.rs (/opt/rustwide/target/debug/deps/cell-7077216d7bbae4b3)
[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] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test cell_size ... ignored
[INFO] [stdout] test debug_text ... ok
[INFO] [stdout] test drop_wakes ... ok
[INFO] [stdout] test notify_wakes ... ok
[INFO] [stdout] test or_set_changes ... ok
[INFO] [stdout] test update_changes ... ok
[INFO] [stdout] test update_wakes ... ok
[INFO] [stdout] test set_wakes ... ok
[INFO] [stdout] test set_changes ... ok
[INFO] [stdout] test or_set_wakes ... ok
[INFO] [stdout] test wakes_multiple_gets ... ok
[INFO] [stdout] test new_into_inner ... ok
[INFO] [stderr]      Running tests/utils.rs (/opt/rustwide/target/debug/deps/utils-69081377ee91d81c)
[INFO] [stdout] test can_wake_multiple_takes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async_cell
[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] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test src/lib.rs - sync::AsyncCell<T>::try_take (line 764) ... ok
[INFO] [stdout] test src/lib.rs - sync::AsyncCell<T>::try_get (line 764) ... ok
[INFO] [stdout] test src/lib.rs - unsync::AsyncCell<T>::new_with (line 785) ... ok
[INFO] [stdout] test src/lib.rs - sync::AsyncCell<T>::new_with (line 719) ... ok
[INFO] [stdout] test src/lib.rs - unsync::AsyncCell<T>::try_get (line 799) ... ok
[INFO] [stdout] test src/lib.rs - unsync::AsyncCell<T>::try_take (line 799) ... ok
[INFO] [stdout] test src/lib.rs - unsync::AsyncCell<T>::get_weak (line 800) ... ok
[INFO] [stdout] test src/lib.rs - sync::AsyncCell<T>::take (line 764) ... ok
[INFO] [stdout] test src/lib.rs - sync::Take (line 709) ... ok
[INFO] [stdout] test src/lib.rs - unsync::AsyncCell<T>::get (line 799) ... ok
[INFO] [stdout] test src/lib.rs - sync::Get (line 709) ... ok
[INFO] [stdout] test src/lib.rs - sync::AsyncCell<T>::get (line 764) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - sync::AsyncCell<T>::get_weak (line 765) ... ok
[INFO] [stdout] test src/lib.rs - unsync::AsyncCell<T>::take_weak (line 801) ... ok
[INFO] [stdout] test src/lib.rs - unsync::AsyncCell<T>::guard (line 801) ... ok
[INFO] [stdout] test src/lib.rs - sync::AsyncCell<T>::set (line 770) ... ok
[INFO] [stdout] test src/lib.rs - (line 61) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - unsync::Get (line 774) ... ok
[INFO] [stdout] test src/lib.rs - unsync::AsyncCell<T>::set (line 805) ... ok
[INFO] [stdout] test src/lib.rs - unsync::AsyncCell<T>::take (line 799) ... ok
[INFO] [stdout] test src/lib.rs - sync::AsyncCell<T>::take_weak (line 766) ... ok
[INFO] [stdout] test src/lib.rs - unsync::Take (line 774) ... ok
[INFO] [stdout] test src/lib.rs - sync::AsyncCell<T>::guard (line 766) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4649c9ac8981c18a6fd535d965014a7eb979d94e5d71303c408464f9bdca6950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4649c9ac8981c18a6fd535d965014a7eb979d94e5d71303c408464f9bdca6950", kill_on_drop: false }`
[INFO] [stdout] 4649c9ac8981c18a6fd535d965014a7eb979d94e5d71303c408464f9bdca6950