[INFO] cloning repository https://github.com/AllenShi/rust_playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AllenShi/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllenShi%2Frust_playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllenShi%2Frust_playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 24a8f729bf3ff9f478679b27f53960d09d4df205 [INFO] testing AllenShi/rust_playground against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllenShi%2Frust_playground" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AllenShi/rust_playground on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AllenShi/rust_playground [INFO] finished tweaking git repo https://github.com/AllenShi/rust_playground [INFO] tweaked toml for git repo https://github.com/AllenShi/rust_playground written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/AllenShi/rust_playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5dc8ed6e014bffd77b03c5358f8b7cd04ba71a2f2495e44fb3076240f26462a7 [INFO] running `Command { std: "docker" "start" "-a" "5dc8ed6e014bffd77b03c5358f8b7cd04ba71a2f2495e44fb3076240f26462a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5dc8ed6e014bffd77b03c5358f8b7cd04ba71a2f2495e44fb3076240f26462a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dc8ed6e014bffd77b03c5358f8b7cd04ba71a2f2495e44fb3076240f26462a7", kill_on_drop: false }` [INFO] [stdout] 5dc8ed6e014bffd77b03c5358f8b7cd04ba71a2f2495e44fb3076240f26462a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6980ca72b43d35ca04a7ae659efbc9828bf1ea2de4d4da34804474d777b18fc9 [INFO] running `Command { std: "docker" "start" "-a" "6980ca72b43d35ca04a7ae659efbc9828bf1ea2de4d4da34804474d777b18fc9", kill_on_drop: false }` [INFO] [stderr] Compiling rust_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `User` [INFO] [stdout] --> src/util/structexam.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `build_user_style_1` [INFO] [stdout] --> src/util/structexam.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn build_user_style_1(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `build_user_style_2` [INFO] [stdout] --> src/util/structexam.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn build_user_style_2(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "6980ca72b43d35ca04a7ae659efbc9828bf1ea2de4d4da34804474d777b18fc9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6980ca72b43d35ca04a7ae659efbc9828bf1ea2de4d4da34804474d777b18fc9", kill_on_drop: false }` [INFO] [stdout] 6980ca72b43d35ca04a7ae659efbc9828bf1ea2de4d4da34804474d777b18fc9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dcd95291210bd7a046e67649202cc00be1e565cb956655bb5273675db2a4fc33 [INFO] running `Command { std: "docker" "start" "-a" "dcd95291210bd7a046e67649202cc00be1e565cb956655bb5273675db2a4fc33", kill_on_drop: false }` [INFO] [stdout] warning: struct is never constructed: `User` [INFO] [stdout] --> src/util/structexam.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rust_playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `build_user_style_1` [INFO] [stdout] --> src/util/structexam.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn build_user_style_1(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `build_user_style_2` [INFO] [stdout] --> src/util/structexam.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn build_user_style_2(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `another_value` [INFO] [stdout] --> src/util/stringexam.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let another_value = my_value; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sign_in_count` [INFO] [stdout] --> src/util/structexam.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `active` [INFO] [stdout] --> src/util/structexam.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | active: bool [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "dcd95291210bd7a046e67649202cc00be1e565cb956655bb5273675db2a4fc33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcd95291210bd7a046e67649202cc00be1e565cb956655bb5273675db2a4fc33", kill_on_drop: false }` [INFO] [stdout] dcd95291210bd7a046e67649202cc00be1e565cb956655bb5273675db2a4fc33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bc854d074e5b4642f8ba42c4051e16ecd05264651dd579dafcf61def674bbefc [INFO] running `Command { std: "docker" "start" "-a" "bc854d074e5b4642f8ba42c4051e16ecd05264651dd579dafcf61def674bbefc", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: struct is never constructed: `User` [INFO] [stdout] running 8 tests [INFO] [stderr] --> src/util/structexam.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct User { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `build_user_style_1` [INFO] [stderr] --> src/util/structexam.rs:9:8 [INFO] [stderr] | [INFO] [stderr] 9 | fn build_user_style_1(email: String, username: String) -> User { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `build_user_style_2` [INFO] [stderr] --> src/util/structexam.rs:18:8 [INFO] [stderr] | [INFO] [stderr] 18 | fn build_user_style_2(email: String, username: String) -> User { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `another_value` [INFO] [stderr] --> src/util/stringexam.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | let another_value = my_value; [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sign_in_count` [INFO] [stderr] --> src/util/structexam.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | sign_in_count: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `active` [INFO] [stderr] --> src/util/structexam.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | active: bool [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_playground-70e9e2aecf5f048b) [INFO] [stdout] test util::structexam::tests::test_build_user_style_1 ... ok [INFO] [stdout] test util::stringexam::tests::unit_test_string_assignment ... ok [INFO] [stdout] test util::cellexam_test::compare_owner_and_reference ... ok [INFO] [stdout] test util::cellexam_test::unit_test_house ... ok [INFO] [stdout] test util::stringexam::tests::unit_test_string_and_str ... ok [INFO] [stdout] test util::conversionexam_test::unit_test_number ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_playground-a5a43ee91c9f86a8) [INFO] [stdout] test util::structexam::tests::test_build_user_style_2 ... ok [INFO] [stdout] test util::structexam::tests::test_new_user ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-c9ff2424ea73d226) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test int_test_house_with_cell ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests rust_playground [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [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" "bc854d074e5b4642f8ba42c4051e16ecd05264651dd579dafcf61def674bbefc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc854d074e5b4642f8ba42c4051e16ecd05264651dd579dafcf61def674bbefc", kill_on_drop: false }` [INFO] [stdout] bc854d074e5b4642f8ba42c4051e16ecd05264651dd579dafcf61def674bbefc