[INFO] fetching crate omango 0.2.6...
[INFO] testing omango-0.2.6 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate omango 0.2.6 into /workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate omango 0.2.6 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 182 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rtrb v0.3.2
[INFO] [stderr]   Downloaded ringbuf v0.4.8
[INFO] [stderr]   Downloaded omango-futex v0.1.2
[INFO] [stderr]   Downloaded omango-util v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d4bc4cf44c0e105c406d5b75d0ab64e22fda84408210cce58051cf5a3463cfe
[INFO] running `Command { std: "docker" "start" "-a" "1d4bc4cf44c0e105c406d5b75d0ab64e22fda84408210cce58051cf5a3463cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d4bc4cf44c0e105c406d5b75d0ab64e22fda84408210cce58051cf5a3463cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d4bc4cf44c0e105c406d5b75d0ab64e22fda84408210cce58051cf5a3463cfe", kill_on_drop: false }`
[INFO] [stdout] 1d4bc4cf44c0e105c406d5b75d0ab64e22fda84408210cce58051cf5a3463cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c3b861e0c9b2b7c8931c6ee2c6fe1f282ee4e07a262d427b8d86f31c3fb299e9
[INFO] running `Command { std: "docker" "start" "-a" "c3b861e0c9b2b7c8931c6ee2c6fe1f282ee4e07a262d427b8d86f31c3fb299e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling omango-util v0.1.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling omango-futex v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.12.4
[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/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/slice/mod.rs:116:5
[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/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/slice/mod.rs:680:5
[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" "c3b861e0c9b2b7c8931c6ee2c6fe1f282ee4e07a262d427b8d86f31c3fb299e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b861e0c9b2b7c8931c6ee2c6fe1f282ee4e07a262d427b8d86f31c3fb299e9", kill_on_drop: false }`
[INFO] [stdout] c3b861e0c9b2b7c8931c6ee2c6fe1f282ee4e07a262d427b8d86f31c3fb299e9