[INFO] fetching crate consistent_hasher 0.1.5...
[INFO] checking consistent_hasher-0.1.5 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate consistent_hasher 0.1.5 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate consistent_hasher 0.1.5
[INFO] finished tweaking crates.io crate consistent_hasher 0.1.5
[INFO] tweaked toml for crates.io crate consistent_hasher 0.1.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate consistent_hasher 0.1.5 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate consistent_hasher 0.1.5 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hash v0.3.0
[INFO] [stderr]   Downloaded rustc-hash v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69054a55790632c3e78836703dffa73cc6f010347c4f64f43a663ee8c5c43bb8
[INFO] running `Command { std: "docker" "start" "-a" "69054a55790632c3e78836703dffa73cc6f010347c4f64f43a663ee8c5c43bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69054a55790632c3e78836703dffa73cc6f010347c4f64f43a663ee8c5c43bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69054a55790632c3e78836703dffa73cc6f010347c4f64f43a663ee8c5c43bb8", kill_on_drop: false }`
[INFO] [stdout] 69054a55790632c3e78836703dffa73cc6f010347c4f64f43a663ee8c5c43bb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 221b84598b23eab93086fa4d195fe6b2b1ea41ca6cea9a6e4ff1e025c5c6c358
[INFO] running `Command { std: "docker" "start" "-a" "221b84598b23eab93086fa4d195fe6b2b1ea41ca6cea9a6e4ff1e025c5c6c358", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking hash v0.3.0
[INFO] [stderr]     Checking rustc-hash v2.0.0
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]     Checking consistent_hasher v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/node.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub (crate) fn create(key: T,vec: Vec<T>) -> Self {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/circularbtreemap.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut new_node = Node::new(node_val);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/ldb.rs:332:17
[INFO] [stdout]     |
[INFO] [stdout] 332 |             for i in (count)..self.virtual_instances
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create` is never used
[INFO] [stdout]   --> src/node.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub (crate) fn create(key: T,vec: Vec<T>) -> Self {
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_node` is never used
[INFO] [stdout]   --> src/node.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<T:fmt::Display + fmt::Debug> Node<T>
[INFO] [stdout]    | ----------------------------------------- method in this implementation
[INFO] [stdout] 27 | {
[INFO] [stdout] 28 |     pub (crate) fn print_node(&self)
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hash_bit_count` is never read
[INFO] [stdout]    --> src/ldb.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  89 | pub struct LDB {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     hash_bit_count: u128,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> src/node.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub (crate) fn create(key: T,vec: Vec<T>) -> Self {
[INFO] [stdout]    |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/circularbtreemap.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let mut new_node = Node::new(node_val);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/main.rs:132:20
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 if let Ok(num) = stripped.trim().parse::<String>(){
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/ldb.rs:332:17
[INFO] [stdout]     |
[INFO] [stdout] 332 |             for i in (count)..self.virtual_instances
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create` is never used
[INFO] [stdout]   --> src/node.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub (crate) fn create(key: T,vec: Vec<T>) -> Self {
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_node` is never used
[INFO] [stdout]   --> src/node.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<T:fmt::Display + fmt::Debug> Node<T>
[INFO] [stdout]    | ----------------------------------------- method in this implementation
[INFO] [stdout] 27 | {
[INFO] [stdout] 28 |     pub (crate) fn print_node(&self)
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hash_bit_count` is never read
[INFO] [stdout]    --> src/ldb.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  89 | pub struct LDB {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     hash_bit_count: u128,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/main.rs:132:20
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 if let Ok(num) = stripped.trim().parse::<String>(){
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 11.30s
[INFO] running `Command { std: "docker" "inspect" "221b84598b23eab93086fa4d195fe6b2b1ea41ca6cea9a6e4ff1e025c5c6c358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221b84598b23eab93086fa4d195fe6b2b1ea41ca6cea9a6e4ff1e025c5c6c358", kill_on_drop: false }`
[INFO] [stdout] 221b84598b23eab93086fa4d195fe6b2b1ea41ca6cea9a6e4ff1e025c5c6c358
