[INFO] fetching crate double-checked-cell-async 2.0.2...
[INFO] testing double-checked-cell-async-2.0.2 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate double-checked-cell-async 2.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate double-checked-cell-async 2.0.2
[INFO] finished tweaking crates.io crate double-checked-cell-async 2.0.2
[INFO] tweaked toml for crates.io crate double-checked-cell-async 2.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate double-checked-cell-async 2.0.2 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.49.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5d63252dbc37e206b046c57b1bea30d65c29e3982a8700714a8672b9fd1026e
[INFO] running `Command { std: "docker" "start" "-a" "b5d63252dbc37e206b046c57b1bea30d65c29e3982a8700714a8672b9fd1026e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5d63252dbc37e206b046c57b1bea30d65c29e3982a8700714a8672b9fd1026e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d63252dbc37e206b046c57b1bea30d65c29e3982a8700714a8672b9fd1026e", kill_on_drop: false }`
[INFO] [stdout] b5d63252dbc37e206b046c57b1bea30d65c29e3982a8700714a8672b9fd1026e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 729d4481eca8eb084e6f2cbc682da88fcc6783f75b9b5a97e1dba0ed5f10127b
[INFO] running `Command { std: "docker" "start" "-a" "729d4481eca8eb084e6f2cbc682da88fcc6783f75b9b5a97e1dba0ed5f10127b", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling double-checked-cell-async v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "729d4481eca8eb084e6f2cbc682da88fcc6783f75b9b5a97e1dba0ed5f10127b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729d4481eca8eb084e6f2cbc682da88fcc6783f75b9b5a97e1dba0ed5f10127b", kill_on_drop: false }`
[INFO] [stdout] 729d4481eca8eb084e6f2cbc682da88fcc6783f75b9b5a97e1dba0ed5f10127b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2cd754ccf436e8d8731e38dfccc281811b1e8a776b3ead532cb855e855af40c
[INFO] running `Command { std: "docker" "start" "-a" "d2cd754ccf436e8d8731e38dfccc281811b1e8a776b3ead532cb855e855af40c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling double-checked-cell-async v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "d2cd754ccf436e8d8731e38dfccc281811b1e8a776b3ead532cb855e855af40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2cd754ccf436e8d8731e38dfccc281811b1e8a776b3ead532cb855e855af40c", kill_on_drop: false }`
[INFO] [stdout] d2cd754ccf436e8d8731e38dfccc281811b1e8a776b3ead532cb855e855af40c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c9951908e526fe0ddc58c8c4a816162905ebd0ca3fddb9e037c880a205b4ecc
[INFO] running `Command { std: "docker" "start" "-a" "0c9951908e526fe0ddc58c8c4a816162905ebd0ca3fddb9e037c880a205b4ecc", 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/double_checked_cell_async-94b81dbfeecb1405)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_drop ... ok
[INFO] [stdout] test tests::test_threading ... ok
[INFO] [stdout] test tests::test_sync_send ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests double_checked_cell_async
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::into_inner (line 278) ... FAILED
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get_or_init (line 162) ... FAILED
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::new (line 115) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 48) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 20) ... FAILED
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get_or_try_init (line 202) ... FAILED
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get (line 137) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - DoubleCheckedCell<T>::into_inner (line 278) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `double_checked_cell`
[INFO] [stdout]    --> src/lib.rs:281:5
[INFO] [stdout]     |
[INFO] [stdout] 281 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `double_checked_cell`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 281 | use double_checked_cell_async::DoubleCheckedCell;
[INFO] [stdout]     |                        ++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - DoubleCheckedCell<T>::get_or_init (line 162) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `double_checked_cell`
[INFO] [stdout]    --> src/lib.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `double_checked_cell`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 165 | use double_checked_cell_async::DoubleCheckedCell;
[INFO] [stdout]     |                        ++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - DoubleCheckedCell<T>::new (line 115) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `double_checked_cell`
[INFO] [stdout]    --> src/lib.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `double_checked_cell`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 118 | use double_checked_cell_async::DoubleCheckedCell;
[INFO] [stdout]     |                        ++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 48) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `double_checked_cell`
[INFO] [stdout]   --> src/lib.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `double_checked_cell`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 53 | use double_checked_cell_async::DoubleCheckedCell;
[INFO] [stdout]    |                        ++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 20) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `double_checked_cell`
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `double_checked_cell`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 23 | use double_checked_cell_async::DoubleCheckedCell;
[INFO] [stdout]    |                        ++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - DoubleCheckedCell<T>::get_or_try_init (line 202) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `double_checked_cell`
[INFO] [stdout]    --> src/lib.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `double_checked_cell`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 205 | use double_checked_cell_async::DoubleCheckedCell;
[INFO] [stdout]     |                        ++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 | let result = cell.get_or_try_init(async { "not an integer".parse() }).await;
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 211 | assert!(result.is_err());
[INFO] [stdout]     |         ------ type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `result` an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 210 | let result: /* Type */ = cell.get_or_try_init(async { "not an integer".parse() }).await;
[INFO] [stdout]     |           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - DoubleCheckedCell<T>::get (line 137) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `double_checked_cell`
[INFO] [stdout]    --> src/lib.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `double_checked_cell`
[INFO] [stdout]     |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 140 | use double_checked_cell_async::DoubleCheckedCell;
[INFO] [stdout]     |                        ++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 20)
[INFO] [stdout]     src/lib.rs - (line 48)
[INFO] [stdout]     src/lib.rs - DoubleCheckedCell<T>::get (line 137)
[INFO] [stdout]     src/lib.rs - DoubleCheckedCell<T>::get_or_init (line 162)
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout]     src/lib.rs - DoubleCheckedCell<T>::get_or_try_init (line 202)
[INFO] [stdout]     src/lib.rs - DoubleCheckedCell<T>::into_inner (line 278)
[INFO] [stdout]     src/lib.rs - DoubleCheckedCell<T>::new (line 115)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0c9951908e526fe0ddc58c8c4a816162905ebd0ca3fddb9e037c880a205b4ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9951908e526fe0ddc58c8c4a816162905ebd0ca3fddb9e037c880a205b4ecc", kill_on_drop: false }`
[INFO] [stdout] 0c9951908e526fe0ddc58c8c4a816162905ebd0ca3fddb9e037c880a205b4ecc
