[INFO] fetching crate iterextd 0.7.0...
[INFO] testing iterextd-0.7.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate iterextd 0.7.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate iterextd 0.7.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate iterextd 0.7.0
[INFO] tweaked toml for crates.io crate iterextd 0.7.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iterextd 0.7.0 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 95 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.5.1 (available: v0.6.0)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[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 from_tup_macro v0.1.0
[INFO] [stderr]   Downloaded try_tup_to_arr_macro v0.1.0
[INFO] [stderr]   Downloaded num_convert v0.7.2
[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] 1e8a5b749f7518d45274b50e486d56faea7efd6ec80e5ea0641ba200740cb923
[INFO] running `Command { std: "docker" "start" "-a" "1e8a5b749f7518d45274b50e486d56faea7efd6ec80e5ea0641ba200740cb923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e8a5b749f7518d45274b50e486d56faea7efd6ec80e5ea0641ba200740cb923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e8a5b749f7518d45274b50e486d56faea7efd6ec80e5ea0641ba200740cb923", kill_on_drop: false }`
[INFO] [stdout] 1e8a5b749f7518d45274b50e486d56faea7efd6ec80e5ea0641ba200740cb923
[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] 3a18bd32bef77c0c5b214a85f58398305e419be42550d6f9f51181574bd33c0c
[INFO] running `Command { std: "docker" "start" "-a" "3a18bd32bef77c0c5b214a85f58398305e419be42550d6f9f51181574bd33c0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling from_tup_macro v0.1.0
[INFO] [stderr]    Compiling try_tup_to_arr_macro v0.1.0
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num_convert v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling iterextd v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/slice_modify_iter.rs:155:28
[INFO] [stdout]     |
[INFO] [stdout] 155 |         Some(unsafe { &mut (*self.ptr)[idx] })
[INFO] [stdout]     |                            ^^--------^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this raw pointer has type `*mut [T]`
[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 [T]`
[INFO] [stdout]    --> src/slice_modify_iter.rs:155:28
[INFO] [stdout]     |
[INFO] [stdout] 155 |         Some(unsafe { &mut (*self.ptr)[idx] })
[INFO] [stdout]     |                            ^^^^^^^^^^^
[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] 155 |         Some(unsafe { &mut (&mut (*self.ptr))[idx] })
[INFO] [stdout]     |                            +++++            +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iterextd` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3a18bd32bef77c0c5b214a85f58398305e419be42550d6f9f51181574bd33c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a18bd32bef77c0c5b214a85f58398305e419be42550d6f9f51181574bd33c0c", kill_on_drop: false }`
[INFO] [stdout] 3a18bd32bef77c0c5b214a85f58398305e419be42550d6f9f51181574bd33c0c