[INFO] cloning repository https://github.com/virtustron/hash_collection [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/virtustron/hash_collection" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtustron%2Fhash_collection", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtustron%2Fhash_collection'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8e34228fdb3789446c7a7db1e790b78c406aa6e [INFO] checking virtustron/hash_collection against master#9c3064e131f4939cc95a29bb11413c49bbda1491 for pr-144098 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvirtustron%2Fhash_collection" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/virtustron/hash_collection [INFO] finished tweaking git repo https://github.com/virtustron/hash_collection [INFO] tweaked toml for git repo https://github.com/virtustron/hash_collection written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/virtustron/hash_collection on toolchain 9c3064e131f4939cc95a29bb11413c49bbda1491 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/virtustron/hash_collection 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" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-utils v0.8.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7832b7d648bd02797acd6bbda329d5dcd3d344a9be6ef332e0ec8e5bd922de8a [INFO] running `Command { std: "docker" "start" "-a" "7832b7d648bd02797acd6bbda329d5dcd3d344a9be6ef332e0ec8e5bd922de8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7832b7d648bd02797acd6bbda329d5dcd3d344a9be6ef332e0ec8e5bd922de8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7832b7d648bd02797acd6bbda329d5dcd3d344a9be6ef332e0ec8e5bd922de8a", kill_on_drop: false }` [INFO] [stdout] 7832b7d648bd02797acd6bbda329d5dcd3d344a9be6ef332e0ec8e5bd922de8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a55a9591d96241da3e6ad57a50b4a2f9b94510bd168a16f5e2fa22d7ce80ea1 [INFO] running `Command { std: "docker" "start" "-a" "9a55a9591d96241da3e6ad57a50b4a2f9b94510bd168a16f5e2fa22d7ce80ea1", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.6 [INFO] [stderr] Checking hash_collection v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/hash_collection.rs:43:39 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn get_entry(self, key: K) -> HashEntry { [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^ expected `HashEntry`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected struct `HashEntry` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/hash_collection.rs:43:39 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn get_entry(self, key: K) -> HashEntry { [INFO] [stdout] | --------- ^^^^^^^^^^^^^^^ expected `HashEntry`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected struct `HashEntry` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/hash_collection.rs:15:29 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn do_hashing(self, key: K) -> usize { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/hash_collection.rs:39:25 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn insert(self, key: K, value: V) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/hash_collection.rs:39:33 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn insert(self, key: K, value: V) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/hash_collection.rs:15:29 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn do_hashing(self, key: K) -> usize { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/hash_collection.rs:39:25 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn insert(self, key: K, value: V) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/hash_collection.rs:39:33 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn insert(self, key: K, value: V) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hc` [INFO] [stdout] --> src/hash_collection.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 65 | let hc: HashCollection = HashCollection::new(5); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_hc` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hash_collection` (bin "hash_collection") due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `hash_collection` (bin "hash_collection" test) due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9a55a9591d96241da3e6ad57a50b4a2f9b94510bd168a16f5e2fa22d7ce80ea1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a55a9591d96241da3e6ad57a50b4a2f9b94510bd168a16f5e2fa22d7ce80ea1", kill_on_drop: false }` [INFO] [stdout] 9a55a9591d96241da3e6ad57a50b4a2f9b94510bd168a16f5e2fa22d7ce80ea1