[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#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamanobi%2Frust-practice" "/workspace/builds/worker-41/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tamanobi/rust-practice on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-41/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9cb8a152bfc28b0f19a82467c06c63056cc9a85d7cc28c8e197e149f31aaeb15 [INFO] running `Command { std: "docker" "start" "-a" "9cb8a152bfc28b0f19a82467c06c63056cc9a85d7cc28c8e197e149f31aaeb15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9cb8a152bfc28b0f19a82467c06c63056cc9a85d7cc28c8e197e149f31aaeb15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cb8a152bfc28b0f19a82467c06c63056cc9a85d7cc28c8e197e149f31aaeb15", kill_on_drop: false }` [INFO] [stdout] 9cb8a152bfc28b0f19a82467c06c63056cc9a85d7cc28c8e197e149f31aaeb15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 401d1207669bf2433e68454a735cdebbdfd681dff5ec94490d0ad1346ec75f12 [INFO] running `Command { std: "docker" "start" "-a" "401d1207669bf2433e68454a735cdebbdfd681dff5ec94490d0ad1346ec75f12", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 { [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 { [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.62s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "401d1207669bf2433e68454a735cdebbdfd681dff5ec94490d0ad1346ec75f12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "401d1207669bf2433e68454a735cdebbdfd681dff5ec94490d0ad1346ec75f12", kill_on_drop: false }` [INFO] [stdout] 401d1207669bf2433e68454a735cdebbdfd681dff5ec94490d0ad1346ec75f12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8045e68a174e498f55de388cd9fd9c150fad38f0d617d115a981271b7232af57 [INFO] running `Command { std: "docker" "start" "-a" "8045e68a174e498f55de388cd9fd9c150fad38f0d617d115a981271b7232af57", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 { [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 2.49s [INFO] running `Command { std: "docker" "inspect" "8045e68a174e498f55de388cd9fd9c150fad38f0d617d115a981271b7232af57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8045e68a174e498f55de388cd9fd9c150fad38f0d617d115a981271b7232af57", kill_on_drop: false }` [INFO] [stdout] 8045e68a174e498f55de388cd9fd9c150fad38f0d617d115a981271b7232af57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 52b9a870da212d83a2fb26d7226bb04c109183acec6b11bd0f5147d596e1d839 [INFO] running `Command { std: "docker" "start" "-a" "52b9a870da212d83a2fb26d7226bb04c109183acec6b11bd0f5147d596e1d839", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: function is never used: `perform` [INFO] [stderr] --> src/fruit_basket.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn perform() -> HashMap { [INFO] [stderr] | ^^^^^^^ [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: `hello-cargo` (bin "hello-cargo" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.97s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_cargo-41b8253e021d3aca) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::any_type ... ok [INFO] [stdout] test tests::exploration ... ok [INFO] [stdout] test tests::iter ... ok [INFO] [stdout] test tests::implement_iter ... ok [INFO] [stdout] test tests::read_file_content ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "52b9a870da212d83a2fb26d7226bb04c109183acec6b11bd0f5147d596e1d839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52b9a870da212d83a2fb26d7226bb04c109183acec6b11bd0f5147d596e1d839", kill_on_drop: false }` [INFO] [stdout] 52b9a870da212d83a2fb26d7226bb04c109183acec6b11bd0f5147d596e1d839