[INFO] cloning repository https://github.com/AR-developer197/GrokkingAlgorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AR-developer197/GrokkingAlgorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAR-developer197%2FGrokkingAlgorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAR-developer197%2FGrokkingAlgorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1beba3ee050cd7cbee30706ab3013526de50eb70
[INFO] testing AR-developer197/GrokkingAlgorithms against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAR-developer197%2FGrokkingAlgorithms" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AR-developer197/GrokkingAlgorithms
[INFO] finished tweaking git repo https://github.com/AR-developer197/GrokkingAlgorithms
[INFO] tweaked toml for git repo https://github.com/AR-developer197/GrokkingAlgorithms written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AR-developer197/GrokkingAlgorithms on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AR-developer197/GrokkingAlgorithms 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 153a961144b688fd37de80954c9a02ab15228750651f59127ae394d9d8925b2e
[INFO] running `Command { std: "docker" "start" "-a" "153a961144b688fd37de80954c9a02ab15228750651f59127ae394d9d8925b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "153a961144b688fd37de80954c9a02ab15228750651f59127ae394d9d8925b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153a961144b688fd37de80954c9a02ab15228750651f59127ae394d9d8925b2e", kill_on_drop: false }`
[INFO] [stdout] 153a961144b688fd37de80954c9a02ab15228750651f59127ae394d9d8925b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03a508ce55c21a9b14fa473f1fc8a1068575f324ccee0780972ded8abf1083bb
[INFO] running `Command { std: "docker" "start" "-a" "03a508ce55c21a9b14fa473f1fc8a1068575f324ccee0780972ded8abf1083bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::StderrLock`
[INFO] [stdout]  --> src/main.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{hash::{DefaultHasher, Hash, Hasher}, io::StderrLock, vec};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/main.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let val = hashmap.get(10);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "03a508ce55c21a9b14fa473f1fc8a1068575f324ccee0780972ded8abf1083bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a508ce55c21a9b14fa473f1fc8a1068575f324ccee0780972ded8abf1083bb", kill_on_drop: false }`
[INFO] [stdout] 03a508ce55c21a9b14fa473f1fc8a1068575f324ccee0780972ded8abf1083bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db483864dd7853811c30317439987649d727c1bbc7ae710a37e43cc33400be00
[INFO] running `Command { std: "docker" "start" "-a" "db483864dd7853811c30317439987649d727c1bbc7ae710a37e43cc33400be00", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::StderrLock`
[INFO] [stdout]  --> src/main.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{hash::{DefaultHasher, Hash, Hasher}, io::StderrLock, vec};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/main.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     let val = hashmap.get(10);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "db483864dd7853811c30317439987649d727c1bbc7ae710a37e43cc33400be00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db483864dd7853811c30317439987649d727c1bbc7ae710a37e43cc33400be00", kill_on_drop: false }`
[INFO] [stdout] db483864dd7853811c30317439987649d727c1bbc7ae710a37e43cc33400be00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3501c95dc2020ffc9606aee45ab3dc058d29831434502db755efbe66297eac7
[INFO] running `Command { std: "docker" "start" "-a" "f3501c95dc2020ffc9606aee45ab3dc058d29831434502db755efbe66297eac7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `io::StderrLock`
[INFO] [stderr]  --> src/main.rs:1:48
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{hash::{DefaultHasher, Hash, Hasher}, io::StderrLock, vec};
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]    --> src/main.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |     let val = hashmap.get(10);
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `algorithms` (bin "algorithms" test) generated 2 warnings (run `cargo fix --bin "algorithms" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/algorithms-b0c3986a84ef1a55)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3501c95dc2020ffc9606aee45ab3dc058d29831434502db755efbe66297eac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3501c95dc2020ffc9606aee45ab3dc058d29831434502db755efbe66297eac7", kill_on_drop: false }`
[INFO] [stdout] f3501c95dc2020ffc9606aee45ab3dc058d29831434502db755efbe66297eac7
