[INFO] cloning repository https://github.com/azhsmesos/heitDB
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azhsmesos/heitDB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazhsmesos%2FheitDB", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazhsmesos%2FheitDB'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07933e0416eb885715862dc9d4b04d83e796826a
[INFO] checking azhsmesos/heitDB against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazhsmesos%2FheitDB" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/azhsmesos/heitDB
[INFO] finished tweaking git repo https://github.com/azhsmesos/heitDB
[INFO] tweaked toml for git repo https://github.com/azhsmesos/heitDB written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/azhsmesos/heitDB on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/azhsmesos/heitDB 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates-tree v1.0.7
[INFO] [stderr]   Downloaded termtree v0.4.0
[INFO] [stderr]   Downloaded predicates-core v1.0.5
[INFO] [stderr]   Downloaded syn v1.0.104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97500c472831125b2787d725d92c7ff4b8cb8d79e704b7eb50034ea1f560757e
[INFO] running `Command { std: "docker" "start" "-a" "97500c472831125b2787d725d92c7ff4b8cb8d79e704b7eb50034ea1f560757e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97500c472831125b2787d725d92c7ff4b8cb8d79e704b7eb50034ea1f560757e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97500c472831125b2787d725d92c7ff4b8cb8d79e704b7eb50034ea1f560757e", kill_on_drop: false }`
[INFO] [stdout] 97500c472831125b2787d725d92c7ff4b8cb8d79e704b7eb50034ea1f560757e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f73cacfa97b3c3bf49290f103fc1d42757d3ba887f2f7706e8c312471d78df7e
[INFO] running `Command { std: "docker" "start" "-a" "f73cacfa97b3c3bf49290f103fc1d42757d3ba887f2f7706e8c312471d78df7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates-core v1.0.5
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.7
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking heitDB v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn get(&self, key: String) -> Option<String> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn set(&self, key: String, val: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/lib.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn set(&self, key: String, val: String) {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn remove(&self, key: String, val: String) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/lib.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn remove(&self, key: String, val: String) {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `heitDB` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `heit_db`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking serde v1.0.148
[INFO] [stderr]     Checking serde_json v1.0.89
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn get(&self, key: String) -> Option<String> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn set(&self, key: String, val: String) {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/lib.rs:14:36
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn set(&self, key: String, val: String) {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn remove(&self, key: String, val: String) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/lib.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn remove(&self, key: String, val: String) {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/tests.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let mut store = KvStore::new();
[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: variable does not need to be mutable
[INFO] [stdout]    --> tests/tests.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut store = KvStore::new();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/tests.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let mut store = KvStore::new();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.10s
[INFO] running `Command { std: "docker" "inspect" "f73cacfa97b3c3bf49290f103fc1d42757d3ba887f2f7706e8c312471d78df7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f73cacfa97b3c3bf49290f103fc1d42757d3ba887f2f7706e8c312471d78df7e", kill_on_drop: false }`
[INFO] [stdout] f73cacfa97b3c3bf49290f103fc1d42757d3ba887f2f7706e8c312471d78df7e
