[INFO] fetching crate iterextd 0.8.0...
[INFO] testing iterextd-0.8.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate iterextd 0.8.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate iterextd 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate iterextd 0.8.0
[INFO] tweaked toml for crates.io crate iterextd 0.8.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate iterextd 0.8.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iterextd 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44f2b394f67b1ff734b9dce60405ddc20d168042bd484ea74eaf85d853972616
[INFO] running `Command { std: "docker" "start" "-a" "44f2b394f67b1ff734b9dce60405ddc20d168042bd484ea74eaf85d853972616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44f2b394f67b1ff734b9dce60405ddc20d168042bd484ea74eaf85d853972616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f2b394f67b1ff734b9dce60405ddc20d168042bd484ea74eaf85d853972616", kill_on_drop: false }`
[INFO] [stdout] 44f2b394f67b1ff734b9dce60405ddc20d168042bd484ea74eaf85d853972616
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2263a929e7930bd6c124b78e9b5a8a89e2c522fc201ccf433ccb47a3eed3b667
[INFO] running `Command { std: "docker" "start" "-a" "2263a929e7930bd6c124b78e9b5a8a89e2c522fc201ccf433ccb47a3eed3b667", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[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 num_convert v0.7.2
[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 v0.8.0 (/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] running `Command { std: "docker" "inspect" "2263a929e7930bd6c124b78e9b5a8a89e2c522fc201ccf433ccb47a3eed3b667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2263a929e7930bd6c124b78e9b5a8a89e2c522fc201ccf433ccb47a3eed3b667", kill_on_drop: false }`
[INFO] [stdout] 2263a929e7930bd6c124b78e9b5a8a89e2c522fc201ccf433ccb47a3eed3b667