[INFO] fetching crate omango 0.2.6...
[INFO] testing omango-0.2.6 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate omango 0.2.6 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate omango 0.2.6
[INFO] finished tweaking crates.io crate omango 0.2.6
[INFO] tweaked toml for crates.io crate omango 0.2.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate omango 0.2.6 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 168 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.8.2)
[INFO] [stderr]       Adding flume v0.11.1 (available: v0.12.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96754e60b0cc8f2611ea61d81022be8545d7bb9f11c949b63603144ea2a2f808
[INFO] running `Command { std: "docker" "start" "-a" "96754e60b0cc8f2611ea61d81022be8545d7bb9f11c949b63603144ea2a2f808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96754e60b0cc8f2611ea61d81022be8545d7bb9f11c949b63603144ea2a2f808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96754e60b0cc8f2611ea61d81022be8545d7bb9f11c949b63603144ea2a2f808", kill_on_drop: false }`
[INFO] [stdout] 96754e60b0cc8f2611ea61d81022be8545d7bb9f11c949b63603144ea2a2f808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b6ef41b3359ac5848f4791e127526659c3686a097b9ff91b629d266f3f042d
[INFO] running `Command { std: "docker" "start" "-a" "77b6ef41b3359ac5848f4791e127526659c3686a097b9ff91b629d266f3f042d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling omango-util v0.1.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling omango-futex v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling omango v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/single/source.rs:133:34
[INFO] [stdout]     |
[INFO] [stdout] 133 |         assert!(index < unsafe { (*self.calls.get()).len() } as u32);
[INFO] [stdout]     |                                  ^^----------------^^^^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    this raw pointer has type `*mut Box<[source::Call]>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[source::Call]`
[INFO] [stdout]    --> src/single/source.rs:133:34
[INFO] [stdout]     |
[INFO] [stdout] 133 |         assert!(index < unsafe { (*self.calls.get()).len() } as u32);
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/slice/mod.rs:116:4
[INFO] [stdout]     = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 133 |         assert!(index < unsafe { (&(*self.calls.get())).len() } as u32);
[INFO] [stdout]     |                                  ++                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/single/source.rs:139:29
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let call = unsafe { (*self.calls.get()).get_unchecked_mut(index as usize) };
[INFO] [stdout]     |                             ^^----------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               this raw pointer has type `*mut Box<[source::Call]>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut [source::Call]`
[INFO] [stdout]    --> src/single/source.rs:139:29
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let call = unsafe { (*self.calls.get()).get_unchecked_mut(index as usize) };
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `get_unchecked_mut` require a reference
[INFO] [stdout]    --> /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/slice/mod.rs:684:4
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let call = unsafe { (&mut (*self.calls.get())).get_unchecked_mut(index as usize) };
[INFO] [stdout]     |                             +++++                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `omango` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "77b6ef41b3359ac5848f4791e127526659c3686a097b9ff91b629d266f3f042d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b6ef41b3359ac5848f4791e127526659c3686a097b9ff91b629d266f3f042d", kill_on_drop: false }`
[INFO] [stdout] 77b6ef41b3359ac5848f4791e127526659c3686a097b9ff91b629d266f3f042d