[INFO] cloning repository https://github.com/tamanobi/rust-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tamanobi/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamanobi%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamanobi%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71e2d57323497439e16836e3bcc080d9472a9fa5
[INFO] testing tamanobi/rust-practice against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamanobi%2Frust-practice" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tamanobi/rust-practice on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tamanobi/rust-practice
[INFO] finished tweaking git repo https://github.com/tamanobi/rust-practice
[INFO] tweaked toml for git repo https://github.com/tamanobi/rust-practice written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/tamanobi/rust-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bea77fe8a6b386fc99aa2737ac48d6c069181dc0236fce13c60f747e19e6689e
[INFO] running `Command { std: "docker" "start" "-a" "bea77fe8a6b386fc99aa2737ac48d6c069181dc0236fce13c60f747e19e6689e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bea77fe8a6b386fc99aa2737ac48d6c069181dc0236fce13c60f747e19e6689e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea77fe8a6b386fc99aa2737ac48d6c069181dc0236fce13c60f747e19e6689e", kill_on_drop: false }`
[INFO] [stdout] bea77fe8a6b386fc99aa2737ac48d6c069181dc0236fce13c60f747e19e6689e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e6b250b86785d0eeacdfe3b23e27d3063f4173369f662b900327c66b98fcbdc
[INFO] running `Command { std: "docker" "start" "-a" "7e6b250b86785d0eeacdfe3b23e27d3063f4173369f662b900327c66b98fcbdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `perform`
[INFO] [stdout]  --> src/fruit_basket.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn perform() -> HashMap<String, u32> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `perform`
[INFO] [stdout]  --> src/indexing_tuple.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn perform() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `perform`
[INFO] [stdout]  --> src/read_file_content.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn perform(path: PathBuf) -> Result<String, Error> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/iter.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(length: usize) -> Counter {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "7e6b250b86785d0eeacdfe3b23e27d3063f4173369f662b900327c66b98fcbdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6b250b86785d0eeacdfe3b23e27d3063f4173369f662b900327c66b98fcbdc", kill_on_drop: false }`
[INFO] [stdout] 7e6b250b86785d0eeacdfe3b23e27d3063f4173369f662b900327c66b98fcbdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebcf55de80a097b0f83b0a9e87036cfef60e91f31f2f860f8d15742f995d68bb
[INFO] running `Command { std: "docker" "start" "-a" "ebcf55de80a097b0f83b0a9e87036cfef60e91f31f2f860f8d15742f995d68bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `perform`
[INFO] [stdout]  --> src/fruit_basket.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn perform() -> HashMap<String, u32> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `perform`
[INFO] [stdout]  --> src/indexing_tuple.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn perform() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "ebcf55de80a097b0f83b0a9e87036cfef60e91f31f2f860f8d15742f995d68bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebcf55de80a097b0f83b0a9e87036cfef60e91f31f2f860f8d15742f995d68bb", kill_on_drop: false }`
[INFO] [stdout] ebcf55de80a097b0f83b0a9e87036cfef60e91f31f2f860f8d15742f995d68bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7b97dc15039b1425a9322e2c4091b7d723d95ab77018d4ea3ce936503b3f0e7
[INFO] running `Command { std: "docker" "start" "-a" "e7b97dc15039b1425a9322e2c4091b7d723d95ab77018d4ea3ce936503b3f0e7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `perform`
[INFO] [stdout] running 5 tests
[INFO] [stderr]  --> src/fruit_basket.rs:3:8
[INFO] [stdout] test tests::any_type ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::implement_iter ... ok
[INFO] [stderr] 3 | pub fn perform() -> HashMap<String, u32> {
[INFO] [stdout] test tests::iter ... ok
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stdout] test tests::read_file_content ... ok
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `perform`
[INFO] [stderr]  --> src/indexing_tuple.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn perform() {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_cargo-28fb4e8e63a73214)
[INFO] [stdout] test tests::exploration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e7b97dc15039b1425a9322e2c4091b7d723d95ab77018d4ea3ce936503b3f0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b97dc15039b1425a9322e2c4091b7d723d95ab77018d4ea3ce936503b3f0e7", kill_on_drop: false }`
[INFO] [stdout] e7b97dc15039b1425a9322e2c4091b7d723d95ab77018d4ea3ce936503b3f0e7