[INFO] cloning repository https://github.com/BurntChromium/keel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BurntChromium/keel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntChromium%2Fkeel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntChromium%2Fkeel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a518258cd1c8ab81d297bcce494e5c4b4015fb7
[INFO] checking BurntChromium/keel against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntChromium%2Fkeel" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BurntChromium/keel
[INFO] finished tweaking git repo https://github.com/BurntChromium/keel
[INFO] tweaked toml for git repo https://github.com/BurntChromium/keel written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BurntChromium/keel on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BurntChromium/keel 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6474672e87e660daf0307df5b9cc3c66310623beb9fb281e5c8756383d08380
[INFO] running `Command { std: "docker" "start" "-a" "d6474672e87e660daf0307df5b9cc3c66310623beb9fb281e5c8756383d08380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6474672e87e660daf0307df5b9cc3c66310623beb9fb281e5c8756383d08380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6474672e87e660daf0307df5b9cc3c66310623beb9fb281e5c8756383d08380", kill_on_drop: false }`
[INFO] [stdout] d6474672e87e660daf0307df5b9cc3c66310623beb9fb281e5c8756383d08380
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09d65ed9fa7eabdc627261dd75138c775621d52fea7df54645c3e9b1bbc93b7e
[INFO] running `Command { std: "docker" "start" "-a" "09d65ed9fa7eabdc627261dd75138c775621d52fea7df54645c3e9b1bbc93b7e", kill_on_drop: false }`
[INFO] [stderr]     Checking keel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader_index`
[INFO] [stdout]    --> src/ringbuffers.rs:123:37
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub unsafe fn read_block(&self, reader_index: usize) -> (usize, Option<[T; BLOCK_SIZE_CATCH_UP]>, Option<usize>) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_SIZE_CATCH_UP` is never used
[INFO] [stdout]   --> src/ringbuffers.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const BLOCK_SIZE_CATCH_UP: usize = 64;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `default`, `read_block`, and `read_unread` are never used
[INFO] [stdout]    --> src/ringbuffers.rs:61:12
[INFO] [stdout]     |
[INFO] [stdout]  52 | impl <T: Copy + Default> RingBufferV1<T> {
[INFO] [stdout]     | ---------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  61 |     pub fn default() -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub unsafe fn read_block(&self, reader_index: usize) -> (usize, Option<[T; BLOCK_SIZE_CATCH_UP]>, Option<usize>) {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub unsafe fn read_unread(&self, reader_index: usize) -> (usize, Option<Vec<T>>) {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferBlock` is never constructed
[INFO] [stdout]    --> src/ringbuffers.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 175 | struct BufferBlock {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockArray` is never constructed
[INFO] [stdout]    --> src/ringbuffers.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 | struct BlockArray {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RingBufferV2` is never constructed
[INFO] [stdout]    --> src/ringbuffers.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | struct RingBufferV2 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/main.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader_index`
[INFO] [stdout]    --> src/ringbuffers.rs:123:37
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub unsafe fn read_block(&self, reader_index: usize) -> (usize, Option<[T; BLOCK_SIZE_CATCH_UP]>, Option<usize>) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_SIZE_CATCH_UP` is never used
[INFO] [stdout]   --> src/ringbuffers.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const BLOCK_SIZE_CATCH_UP: usize = 64;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `default` and `read_block` are never used
[INFO] [stdout]    --> src/ringbuffers.rs:61:12
[INFO] [stdout]     |
[INFO] [stdout]  52 | impl <T: Copy + Default> RingBufferV1<T> {
[INFO] [stdout]     | ---------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  61 |     pub fn default() -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub unsafe fn read_block(&self, reader_index: usize) -> (usize, Option<[T; BLOCK_SIZE_CATCH_UP]>, Option<usize>) {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BufferBlock` is never constructed
[INFO] [stdout]    --> src/ringbuffers.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 175 | struct BufferBlock {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BlockArray` is never constructed
[INFO] [stdout]    --> src/ringbuffers.rs:183:8
[INFO] [stdout]     |
[INFO] [stdout] 183 | struct BlockArray {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RingBufferV2` is never constructed
[INFO] [stdout]    --> src/ringbuffers.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | struct RingBufferV2 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/ringbuffers.rs:226:39
[INFO] [stdout]     |
[INFO] [stdout] 226 |             let first_block: &[u8] = &(*rb.buf.get())[0..4];
[INFO] [stdout]     |                                       ^^------------^^^^^^^
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this raw pointer has type `*mut [u8; 1024]`
[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: `&[u8; 1024]`
[INFO] [stdout]    --> src/ringbuffers.rs:226:39
[INFO] [stdout]     |
[INFO] [stdout] 226 |             let first_block: &[u8] = &(*rb.buf.get())[0..4];
[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] 226 |             let first_block: &[u8] = &(&(*rb.buf.get()))[0..4];
[INFO] [stdout]     |                                       ++               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/ringbuffers.rs:232:39
[INFO] [stdout]     |
[INFO] [stdout] 232 |             let first_block: &[u8] = &(*rb.buf.get())[0..8];
[INFO] [stdout]     |                                       ^^------------^^^^^^^
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         this raw pointer has type `*mut [u8; 1024]`
[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: `&[u8; 1024]`
[INFO] [stdout]    --> src/ringbuffers.rs:232:39
[INFO] [stdout]     |
[INFO] [stdout] 232 |             let first_block: &[u8] = &(*rb.buf.get())[0..8];
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 232 |             let first_block: &[u8] = &(&(*rb.buf.get()))[0..8];
[INFO] [stdout]     |                                       ++               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keel` (bin "keel" test) due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "09d65ed9fa7eabdc627261dd75138c775621d52fea7df54645c3e9b1bbc93b7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d65ed9fa7eabdc627261dd75138c775621d52fea7df54645c3e9b1bbc93b7e", kill_on_drop: false }`
[INFO] [stdout] 09d65ed9fa7eabdc627261dd75138c775621d52fea7df54645c3e9b1bbc93b7e
