[INFO] cloning repository https://github.com/moirey/rust_array
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/moirey/rust_array" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoirey%2Frust_array", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoirey%2Frust_array'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7ec1322a026520f1e6412092ea974ee78f89193
[INFO] checking moirey/rust_array against f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1 for pr-160235-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoirey%2Frust_array" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/moirey/rust_array
[INFO] finished tweaking git repo https://github.com/moirey/rust_array
[INFO] tweaked toml for git repo https://github.com/moirey/rust_array written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/moirey/rust_array on toolchain f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/moirey/rust_array 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" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rust_array` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-7-tc2/source/target/.../rust_array
[INFO] [stderr]    |                                                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rust-array`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:7:8
[INFO] [stderr]    |
[INFO] [stderr]  7 - name = "rust_array"
[INFO] [stderr]  7 + name = "rust-array"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rust-array`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:8:19
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ version = "0.1.0"
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "rust-array"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rust_array` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 753b18eb5c377af75e6c5ca97b84321546730fa89d7fc06c76e8576006e59265
[INFO] running `Command { std: "docker" "start" "753b18eb5c377af75e6c5ca97b84321546730fa89d7fc06c76e8576006e59265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "753b18eb5c377af75e6c5ca97b84321546730fa89d7fc06c76e8576006e59265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "753b18eb5c377af75e6c5ca97b84321546730fa89d7fc06c76e8576006e59265" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "753b18eb5c377af75e6c5ca97b84321546730fa89d7fc06c76e8576006e59265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "753b18eb5c377af75e6c5ca97b84321546730fa89d7fc06c76e8576006e59265" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rust_array` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../rust_array
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rust-array`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:7:8
[INFO] [stderr]    |
[INFO] [stderr]  7 - name = "rust_array"
[INFO] [stderr]  7 + name = "rust-array"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rust-array`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:8:19
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ version = "0.1.0"
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "rust-array"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rust_array` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rust_array v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:151:3
[INFO] [stdout]     |
[INFO] [stdout] 151 | /   ///
[INFO] [stdout] 152 | |   /// let a = vec![0u8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
[INFO] [stdout] 153 | |   /// let c: &[u8] = &a; // works because impl Deref for Vec<T> with Target = [T]
[INFO] [stdout] 154 | |   /// let d: &[u8] = a.as_ref(); // works because impl<T> AsRef<[T]> for Vec<T>
[INFO] [stdout] 155 | |   /// 
[INFO] [stdout]     | |______^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     let buf = &[0x41u8, 0x41u8, 0x42u8];
[INFO] [stdout]     |     ------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `vec`
[INFO] [stdout]    --> src/main.rs:213:14
[INFO] [stdout]     |
[INFO] [stdout] 213 | macro_rules! vec {
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:151:3
[INFO] [stdout]     |
[INFO] [stdout] 151 | /   ///
[INFO] [stdout] 152 | |   /// let a = vec![0u8, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
[INFO] [stdout] 153 | |   /// let c: &[u8] = &a; // works because impl Deref for Vec<T> with Target = [T]
[INFO] [stdout] 154 | |   /// let d: &[u8] = a.as_ref(); // works because impl<T> AsRef<[T]> for Vec<T>
[INFO] [stdout] 155 | |   /// 
[INFO] [stdout]     | |______^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     let buf = &[0x41u8, 0x41u8, 0x42u8];
[INFO] [stdout]     |     ------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `vec`
[INFO] [stdout]    --> src/main.rs:213:14
[INFO] [stdout]     |
[INFO] [stdout] 213 | macro_rules! vec {
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:148:7
[INFO] [stdout]     |
[INFO] [stdout] 148 |   let b = &a; // b: &Vec<u8>
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:149:7
[INFO] [stdout]     |
[INFO] [stdout] 149 |   let c: &[u8] = &a; // c: &[u8]
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:148:7
[INFO] [stdout]     |
[INFO] [stdout] 148 |   let b = &a; // b: &Vec<u8>
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:149:7
[INFO] [stdout]     |
[INFO] [stdout] 149 |   let c: &[u8] = &a; // c: &[u8]
[INFO] [stdout]     |       ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "753b18eb5c377af75e6c5ca97b84321546730fa89d7fc06c76e8576006e59265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753b18eb5c377af75e6c5ca97b84321546730fa89d7fc06c76e8576006e59265", kill_on_drop: false }`
[INFO] [stdout] 753b18eb5c377af75e6c5ca97b84321546730fa89d7fc06c76e8576006e59265
