[INFO] cloning repository https://github.com/Sidies/Slick-Hash-Algo-Assignment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sidies/Slick-Hash-Algo-Assignment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSidies%2FSlick-Hash-Algo-Assignment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSidies%2FSlick-Hash-Algo-Assignment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4750626d5b47bd855c60cf9e6322afbdabbb211e
[INFO] fixing Sidies/Slick-Hash-Algo-Assignment against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSidies%2FSlick-Hash-Algo-Assignment" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Sidies/Slick-Hash-Algo-Assignment
[INFO] finished tweaking git repo https://github.com/Sidies/Slick-Hash-Algo-Assignment
[INFO] tweaked toml for git repo https://github.com/Sidies/Slick-Hash-Algo-Assignment written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Sidies/Slick-Hash-Algo-Assignment on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Sidies/Slick-Hash-Algo-Assignment 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.110
[INFO] [stderr]   Downloaded cxx v1.0.110
[INFO] [stderr]   Downloaded termcolor v1.4.0
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.110
[INFO] [stderr]   Downloaded cxx-build v1.0.110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f01c92b6ec4abb92c50a06d0231e420526d43cc35e493994bde66a90c45202e5
[INFO] running `Command { std: "docker" "start" "f01c92b6ec4abb92c50a06d0231e420526d43cc35e493994bde66a90c45202e5", 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" "f01c92b6ec4abb92c50a06d0231e420526d43cc35e493994bde66a90c45202e5" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f01c92b6ec4abb92c50a06d0231e420526d43cc35e493994bde66a90c45202e5", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f01c92b6ec4abb92c50a06d0231e420526d43cc35e493994bde66a90c45202e5" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling scratch v1.0.7
[INFO] [stderr]    Compiling termcolor v1.4.0
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.110
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling link-cplusplus v1.0.9
[INFO] [stderr]    Compiling cxx v1.0.110
[INFO] [stderr]    Compiling cxx-build v1.0.110
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.110
[INFO] [stderr]    Compiling slick-hash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]   --> src/slick_hash.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn with_capacity(capacity: isize) -> Self {
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]   --> src/slick_hash.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn from_iter(iter: impl ExactSizeIterator<Item = (K, V)>) -> Self {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/slick_hash.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn insert(&mut self, key: K, value: V) -> Option<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/slick_hash.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn insert(&mut self, key: K, value: V) -> Option<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/slick_hash.rs:23:39
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn insert_or_increment(&mut self, key: K, value: V) -> 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/slick_hash.rs:23:47
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn insert_or_increment(&mut self, key: K, value: V) -> 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/slick_hash.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn get(&self, key: &K) -> Option<&V> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/slick_hash.rs:35:27
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn get_mut(&mut self, key: &K) -> Option<&mut V> {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/slick_hash.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn contains_key(&self, key: &K) -> bool {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/slick_hash.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn remove(&mut self, key: &K) -> Option<V> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HashTableBuilder` is never used
[INFO] [stdout]   --> src/lib.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait HashTableBuilder: HashTable<u64, u64> + Sized {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SlickHash` is never constructed
[INFO] [stdout]  --> src/slick_hash.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SlickHash<K: Eq + Hash, V> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]   --> src/slick_hash.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn with_capacity(capacity: isize) -> Self {
[INFO] [stdout]    |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iter`
[INFO] [stdout]   --> src/slick_hash.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn from_iter(iter: impl ExactSizeIterator<Item = (K, V)>) -> Self {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/slick_hash.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn insert(&mut self, key: K, value: V) -> Option<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/slick_hash.rs:19:34
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn insert(&mut self, key: K, value: V) -> Option<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/slick_hash.rs:23:39
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn insert_or_increment(&mut self, key: K, value: V) -> 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/slick_hash.rs:23:47
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn insert_or_increment(&mut self, key: K, value: V) -> 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/slick_hash.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn get(&self, key: &K) -> Option<&V> {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/slick_hash.rs:35:27
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn get_mut(&mut self, key: &K) -> Option<&mut V> {
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/slick_hash.rs:39:28
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn contains_key(&self, key: &K) -> bool {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/slick_hash.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn remove(&mut self, key: &K) -> Option<V> {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `HashTableBuilder` is never used
[INFO] [stdout]   --> src/lib.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | trait HashTableBuilder: HashTable<u64, u64> + Sized {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SlickHash` is never constructed
[INFO] [stdout]  --> src/slick_hash.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct SlickHash<K: Eq + Hash, V> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.10s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "f01c92b6ec4abb92c50a06d0231e420526d43cc35e493994bde66a90c45202e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01c92b6ec4abb92c50a06d0231e420526d43cc35e493994bde66a90c45202e5", kill_on_drop: false }`
[INFO] [stdout] f01c92b6ec4abb92c50a06d0231e420526d43cc35e493994bde66a90c45202e5
