[INFO] fetching crate async-io-traits 0.1.0-wip...
[INFO] checking async-io-traits-0.1.0-wip against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate async-io-traits 0.1.0-wip into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate async-io-traits 0.1.0-wip on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-io-traits 0.1.0-wip
[INFO] finished tweaking crates.io crate async-io-traits 0.1.0-wip
[INFO] tweaked toml for crates.io crate async-io-traits 0.1.0-wip written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding owned-buf v0.1.0 (latest: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owned-buf v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cff53ba655c26b582c1707425440dfef6660c57f96f4754ab31bb62e0c316c4
[INFO] running `Command { std: "docker" "start" "-a" "1cff53ba655c26b582c1707425440dfef6660c57f96f4754ab31bb62e0c316c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cff53ba655c26b582c1707425440dfef6660c57f96f4754ab31bb62e0c316c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cff53ba655c26b582c1707425440dfef6660c57f96f4754ab31bb62e0c316c4", kill_on_drop: false }`
[INFO] [stdout] 1cff53ba655c26b582c1707425440dfef6660c57f96f4754ab31bb62e0c316c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5366476f819d282ca0df2e2b1c0fb24753a64e372c9b9ffda607003a70e3684
[INFO] running `Command { std: "docker" "start" "-a" "b5366476f819d282ca0df2e2b1c0fb24753a64e372c9b9ffda607003a70e3684", kill_on_drop: false }`
[INFO] [stderr]     Checking owned-buf v0.1.0
[INFO] [stdout] error[E0599]: no function or associated item named `write_slice` found for union `MaybeUninit` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/owned-buf-0.1.0/src/lib.rs:301:26
[INFO] [stdout]     |
[INFO] [stdout] 301 |             MaybeUninit::write_slice(&mut self.as_mut()[..buf.len()], buf);
[INFO] [stdout]     |                          ^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/c2f2db79ca3024f68d22b45aa22b570775c2c4ad/library/core/src/mem/maybe_uninit.rs:290:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `owned-buf` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b5366476f819d282ca0df2e2b1c0fb24753a64e372c9b9ffda607003a70e3684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5366476f819d282ca0df2e2b1c0fb24753a64e372c9b9ffda607003a70e3684", kill_on_drop: false }`
[INFO] [stdout] b5366476f819d282ca0df2e2b1c0fb24753a64e372c9b9ffda607003a70e3684
[INFO] checking async-io-traits-0.1.0-wip against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate async-io-traits 0.1.0-wip into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate async-io-traits 0.1.0-wip on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-io-traits 0.1.0-wip
[INFO] finished tweaking crates.io crate async-io-traits 0.1.0-wip
[INFO] tweaked toml for crates.io crate async-io-traits 0.1.0-wip written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding owned-buf v0.1.0 (latest: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed6f22ccdf7055b51c9c2a4547ce6b3ea0dfc22722f65fc6c1bfd9b783bb401d
[INFO] running `Command { std: "docker" "start" "-a" "ed6f22ccdf7055b51c9c2a4547ce6b3ea0dfc22722f65fc6c1bfd9b783bb401d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed6f22ccdf7055b51c9c2a4547ce6b3ea0dfc22722f65fc6c1bfd9b783bb401d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed6f22ccdf7055b51c9c2a4547ce6b3ea0dfc22722f65fc6c1bfd9b783bb401d", kill_on_drop: false }`
[INFO] [stdout] ed6f22ccdf7055b51c9c2a4547ce6b3ea0dfc22722f65fc6c1bfd9b783bb401d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6815d18bdffaa76706e67eeed9af5813592bfea11572aeaa800bc3f823e98a84
[INFO] running `Command { std: "docker" "start" "-a" "6815d18bdffaa76706e67eeed9af5813592bfea11572aeaa800bc3f823e98a84", kill_on_drop: false }`
[INFO] [stderr]     Checking owned-buf v0.1.0
[INFO] [stdout] error[E0599]: no function or associated item named `write_slice` found for union `MaybeUninit` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/owned-buf-0.1.0/src/lib.rs:301:26
[INFO] [stdout]     |
[INFO] [stdout] 301 |             MaybeUninit::write_slice(&mut self.as_mut()[..buf.len()], buf);
[INFO] [stdout]     |                          ^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88/library/core/src/mem/maybe_uninit.rs:290:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `owned-buf` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6815d18bdffaa76706e67eeed9af5813592bfea11572aeaa800bc3f823e98a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6815d18bdffaa76706e67eeed9af5813592bfea11572aeaa800bc3f823e98a84", kill_on_drop: false }`
[INFO] [stdout] 6815d18bdffaa76706e67eeed9af5813592bfea11572aeaa800bc3f823e98a84
