[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoirey%2Frust_array/refs/heads: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[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] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/fsmonitor-watchman.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoirey%2Frust_array/hooks/fsmonitor-watchman.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoirey%2Frust_array/refs: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[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] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/prepare-commit-msg.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoirey%2Frust_array/hooks/prepare-commit-msg.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[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 try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmoirey%2Frust_array" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/moirey/rust_array on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "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" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28f35970110089d222c6f85e757f134d4d454a3803facd56e4636e86168d508b
[INFO] running `Command { std: "docker" "start" "-a" "28f35970110089d222c6f85e757f134d4d454a3803facd56e4636e86168d508b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28f35970110089d222c6f85e757f134d4d454a3803facd56e4636e86168d508b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f35970110089d222c6f85e757f134d4d454a3803facd56e4636e86168d508b", kill_on_drop: false }`
[INFO] [stdout] 28f35970110089d222c6f85e757f134d4d454a3803facd56e4636e86168d508b
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bff2edfe65d684d8dd23e62b53e726c7fa12ef785b286d997e13a1ca43f3587e
[INFO] running `Command { std: "docker" "start" "-a" "bff2edfe65d684d8dd23e62b53e726c7fa12ef785b286d997e13a1ca43f3587e", kill_on_drop: false }`
[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)]` 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)]` 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)]` 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 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)]` 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)]` 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)]` 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 2.05s
[INFO] running `Command { std: "docker" "inspect" "bff2edfe65d684d8dd23e62b53e726c7fa12ef785b286d997e13a1ca43f3587e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff2edfe65d684d8dd23e62b53e726c7fa12ef785b286d997e13a1ca43f3587e", kill_on_drop: false }`
[INFO] [stdout] bff2edfe65d684d8dd23e62b53e726c7fa12ef785b286d997e13a1ca43f3587e