[INFO] cloning repository https://github.com/qdot3/rolling_hash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qdot3/rolling_hash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdot3%2Frolling_hash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdot3%2Frolling_hash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c12ee38bd860ed7f874dfa1d32d2dad392fd160a
[INFO] checking qdot3/rolling_hash against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdot3%2Frolling_hash" "/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/qdot3/rolling_hash
[INFO] finished tweaking git repo https://github.com/qdot3/rolling_hash
[INFO] tweaked toml for git repo https://github.com/qdot3/rolling_hash written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qdot3/rolling_hash on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qdot3/rolling_hash 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b78bd67f7332c5a7e0a95a97e69834783a5c7000afcca76a599ac4d991293f99
[INFO] running `Command { std: "docker" "start" "-a" "b78bd67f7332c5a7e0a95a97e69834783a5c7000afcca76a599ac4d991293f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b78bd67f7332c5a7e0a95a97e69834783a5c7000afcca76a599ac4d991293f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78bd67f7332c5a7e0a95a97e69834783a5c7000afcca76a599ac4d991293f99", kill_on_drop: false }`
[INFO] [stdout] b78bd67f7332c5a7e0a95a97e69834783a5c7000afcca76a599ac4d991293f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32fa467f9541d01a60ca1b834021301d00a1c1038f89b13d316df607260f9a52
[INFO] running `Command { std: "docker" "start" "-a" "32fa467f9541d01a60ca1b834021301d00a1c1038f89b13d316df607260f9a52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rolling_hash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `RollingHasher` is never constructed
[INFO] [stdout]   --> src/lib.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct RollingHasher<const P: u64>
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rolling_hash` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stdout] warning: associated items `INITIAL_STATE` and `hash_slice_with_initial_state` are never used
[INFO] [stdout]   --> src/lib.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 57 | / impl<const P: u64> RollingHasher<P>
[INFO] [stdout] 58 | | where
[INFO] [stdout] 59 | |     Prime<P>: SupportedPrime,
[INFO] [stdout]    | |_____________________________- associated items in this implementation
[INFO] [stdout] 60 |   {
[INFO] [stdout] 61 |       const INITIAL_STATE: u64 = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 62 |
[INFO] [stdout] 63 |       fn hash_slice_with_initial_state<T>(&self, slice: &[T]) -> u64
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `RollingHasher` is never constructed
[INFO] [stdout]   --> src/lib.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct RollingHasher<const P: u64>
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rolling_hash` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stdout] warning: associated items `INITIAL_STATE` and `hash_slice_with_initial_state` are never used
[INFO] [stdout]   --> src/lib.rs:61:11
[INFO] [stdout]    |
[INFO] [stdout] 57 | / impl<const P: u64> RollingHasher<P>
[INFO] [stdout] 58 | | where
[INFO] [stdout] 59 | |     Prime<P>: SupportedPrime,
[INFO] [stdout]    | |_____________________________- associated items in this implementation
[INFO] [stdout] 60 |   {
[INFO] [stdout] 61 |       const INITIAL_STATE: u64 = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 62 |
[INFO] [stdout] 63 |       fn hash_slice_with_initial_state<T>(&self, slice: &[T]) -> u64
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32fa467f9541d01a60ca1b834021301d00a1c1038f89b13d316df607260f9a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32fa467f9541d01a60ca1b834021301d00a1c1038f89b13d316df607260f9a52", kill_on_drop: false }`
[INFO] [stdout] 32fa467f9541d01a60ca1b834021301d00a1c1038f89b13d316df607260f9a52
