[INFO] crate double-checked-cell-async 2.0.2 is already in cache
[INFO] testing double-checked-cell-async-2.0.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate double-checked-cell-async 2.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate double-checked-cell-async 2.0.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d5522fe809473b5ccdd58e85e9912462d3414ab9419c9e07bbd41157879d316
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8d5522fe809473b5ccdd58e85e9912462d3414ab9419c9e07bbd41157879d316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d5522fe809473b5ccdd58e85e9912462d3414ab9419c9e07bbd41157879d316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5522fe809473b5ccdd58e85e9912462d3414ab9419c9e07bbd41157879d316", kill_on_drop: false }`
[INFO] [stdout] 8d5522fe809473b5ccdd58e85e9912462d3414ab9419c9e07bbd41157879d316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de5291cdc83c4b6715edfd5bff981f0eb2828d75b77fb6cf854cd3dc84e9d9c1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de5291cdc83c4b6715edfd5bff981f0eb2828d75b77fb6cf854cd3dc84e9d9c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling double-checked-cell-async v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.42s
[INFO] running `Command { std: "docker" "inspect" "de5291cdc83c4b6715edfd5bff981f0eb2828d75b77fb6cf854cd3dc84e9d9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5291cdc83c4b6715edfd5bff981f0eb2828d75b77fb6cf854cd3dc84e9d9c1", kill_on_drop: false }`
[INFO] [stdout] de5291cdc83c4b6715edfd5bff981f0eb2828d75b77fb6cf854cd3dc84e9d9c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5831e963ede615631c63195bec81bda0fb161d8bbc3288bcc0bfa9a61b2d7348
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5831e963ede615631c63195bec81bda0fb161d8bbc3288bcc0bfa9a61b2d7348", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling double-checked-cell-async v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.81s
[INFO] running `Command { std: "docker" "inspect" "5831e963ede615631c63195bec81bda0fb161d8bbc3288bcc0bfa9a61b2d7348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5831e963ede615631c63195bec81bda0fb161d8bbc3288bcc0bfa9a61b2d7348", kill_on_drop: false }`
[INFO] [stdout] 5831e963ede615631c63195bec81bda0fb161d8bbc3288bcc0bfa9a61b2d7348
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6bcae78c15a6f108cc189719422674f504574b7600d916c3b48fd392b49f34f8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6bcae78c15a6f108cc189719422674f504574b7600d916c3b48fd392b49f34f8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/double_checked_cell_async-817ffb62022a6afc
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_sync_send ... ok
[INFO] [stdout] test tests::test_drop ... ok
[INFO] [stdout] test tests::test_threading ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests double-checked-cell-async
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs -  (line 20) ... FAILED
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get_or_init (line 162) ... FAILED
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get (line 137) ... 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 - DoubleCheckedCell<T>::into_inner (line 278) ... FAILED
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get_or_try_init (line 202) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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] 4 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `double_checked_cell`
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> src/lib.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 13 | let value = cell.get_or_init(async { 21 + 21 }).await;
[INFO] [stdout]    |                                    ^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> src/lib.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | let value = cell.get_or_init(async { 21 + 21 }).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> src/lib.rs:32:30
[INFO] [stdout]    |
[INFO] [stdout] 13 | let value = cell.get_or_init(async { 21 + 21 }).await;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> src/lib.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | let value = cell.get_or_init(async { 21 + 21 }).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0698.
[INFO] [stdout] For more information about an 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] 4 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `double_checked_cell`
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> src/lib.rs:171:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | let value = cell.get_or_init(async { 1 + 2 }).await;
[INFO] [stdout]    |                                    ^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> src/lib.rs:171:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | let value = cell.get_or_init(async { 1 + 2 }).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> src/lib.rs:171:30
[INFO] [stdout]    |
[INFO] [stdout] 10 | let value = cell.get_or_init(async { 1 + 2 }).await;
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> src/lib.rs:171:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | let value = cell.get_or_init(async { 1 + 2 }).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> src/lib.rs:175:36
[INFO] [stdout]    |
[INFO] [stdout] 14 | let value = cell.get_or_init(async { 42 }).await;
[INFO] [stdout]    |                                    ^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> src/lib.rs:175:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | let value = cell.get_or_init(async { 42 }).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0698]: type inside `async` block must be known in this context
[INFO] [stdout]   --> src/lib.rs:175:30
[INFO] [stdout]    |
[INFO] [stdout] 14 | let value = cell.get_or_init(async { 42 }).await;
[INFO] [stdout]    |                              ^^^^^^^^^^^^ cannot infer type for type `{integer}`
[INFO] [stdout]    |
[INFO] [stdout] note: the type is part of the `async` block because of this `await`
[INFO] [stdout]   --> src/lib.rs:175:13
[INFO] [stdout]    |
[INFO] [stdout] 14 | let value = cell.get_or_init(async { 42 }).await;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0698.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[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] 4 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `double_checked_cell`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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] 4 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `double_checked_cell`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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] 6 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `double_checked_cell`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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>::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] 4 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `double_checked_cell`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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] 4 | use double_checked_cell::DoubleCheckedCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of undeclared type or module `double_checked_cell`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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] [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
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "6bcae78c15a6f108cc189719422674f504574b7600d916c3b48fd392b49f34f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bcae78c15a6f108cc189719422674f504574b7600d916c3b48fd392b49f34f8", kill_on_drop: false }`
[INFO] [stdout] 6bcae78c15a6f108cc189719422674f504574b7600d916c3b48fd392b49f34f8