[INFO] fetching crate double-checked-cell-async 2.0.2...
[INFO] testing double-checked-cell-async-2.0.2 against 1.94.0 for beta-1.95-1
[INFO] extracting crate double-checked-cell-async 2.0.2 into /workspace/builds/worker-2-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate double-checked-cell-async 2.0.2 on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "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" "+1.94.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.50.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] [stderr]   Downloaded pin-project-lite v0.1.12
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded tokio v0.2.25
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6dd3db0630e2d39a96a076cfd7b7ece4d42dc9ff362629ccce938fa93d0c479
[INFO] running `Command { std: "docker" "start" "-a" "a6dd3db0630e2d39a96a076cfd7b7ece4d42dc9ff362629ccce938fa93d0c479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6dd3db0630e2d39a96a076cfd7b7ece4d42dc9ff362629ccce938fa93d0c479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6dd3db0630e2d39a96a076cfd7b7ece4d42dc9ff362629ccce938fa93d0c479", kill_on_drop: false }`
[INFO] [stdout] a6dd3db0630e2d39a96a076cfd7b7ece4d42dc9ff362629ccce938fa93d0c479
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e7b2e79a568689516fd8e32a6ea6da75474887077c55dc46f851348cf60c9d2
[INFO] running `Command { std: "docker" "start" "-a" "1e7b2e79a568689516fd8e32a6ea6da75474887077c55dc46f851348cf60c9d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling double-checked-cell-async v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "1e7b2e79a568689516fd8e32a6ea6da75474887077c55dc46f851348cf60c9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7b2e79a568689516fd8e32a6ea6da75474887077c55dc46f851348cf60c9d2", kill_on_drop: false }`
[INFO] [stdout] 1e7b2e79a568689516fd8e32a6ea6da75474887077c55dc46f851348cf60c9d2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1601e4cb278bafb8ee648c7681231208ba8d5914828992ea8c89c9a89ca07066
[INFO] running `Command { std: "docker" "start" "-a" "1601e4cb278bafb8ee648c7681231208ba8d5914828992ea8c89c9a89ca07066", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[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 7.98s
[INFO] running `Command { std: "docker" "inspect" "1601e4cb278bafb8ee648c7681231208ba8d5914828992ea8c89c9a89ca07066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1601e4cb278bafb8ee648c7681231208ba8d5914828992ea8c89c9a89ca07066", kill_on_drop: false }`
[INFO] [stdout] 1601e4cb278bafb8ee648c7681231208ba8d5914828992ea8c89c9a89ca07066
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0d179363853780b7dffbf0f1a88afae073b1b0456826313fe1d003ba61eb0b6
[INFO] running `Command { std: "docker" "start" "-a" "e0d179363853780b7dffbf0f1a88afae073b1b0456826313fe1d003ba61eb0b6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/double_checked_cell_async-b20f0794c403343d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_drop ... ok
[INFO] [stdout] test tests::test_sync_send ... 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; finished in 0.01s
[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_try_init (line 202) ... FAILED
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::into_inner (line 278) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 48) ... FAILED
[INFO] [stdout] test src/lib.rs - DoubleCheckedCell<T>::get (line 137) ... 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] 
[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] 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>::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 - (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 - 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] ---- 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] 
[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; finished in 0.29s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e0d179363853780b7dffbf0f1a88afae073b1b0456826313fe1d003ba61eb0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d179363853780b7dffbf0f1a88afae073b1b0456826313fe1d003ba61eb0b6", kill_on_drop: false }`
[INFO] [stdout] e0d179363853780b7dffbf0f1a88afae073b1b0456826313fe1d003ba61eb0b6
