[INFO] cloning repository https://github.com/Amelia-Mowers/rust_engine_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Amelia-Mowers/rust_engine_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmelia-Mowers%2Frust_engine_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmelia-Mowers%2Frust_engine_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18214ac3f681bb321b88952e616d36cafa57f76e
[INFO] testing Amelia-Mowers/rust_engine_test 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%2FAmelia-Mowers%2Frust_engine_test" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Amelia-Mowers/rust_engine_test
[INFO] finished tweaking git repo https://github.com/Amelia-Mowers/rust_engine_test
[INFO] tweaked toml for git repo https://github.com/Amelia-Mowers/rust_engine_test written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Amelia-Mowers/rust_engine_test 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/Amelia-Mowers/rust_engine_test 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2eb56dd0c56cbee584881947fa979c2f0f743d63a53fbef9cea22fdb5fc16760
[INFO] running `Command { std: "docker" "start" "-a" "2eb56dd0c56cbee584881947fa979c2f0f743d63a53fbef9cea22fdb5fc16760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eb56dd0c56cbee584881947fa979c2f0f743d63a53fbef9cea22fdb5fc16760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb56dd0c56cbee584881947fa979c2f0f743d63a53fbef9cea22fdb5fc16760", kill_on_drop: false }`
[INFO] [stdout] 2eb56dd0c56cbee584881947fa979c2f0f743d63a53fbef9cea22fdb5fc16760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3d7b1d473c05a6f0c43a6426da1bc5c348ef893db0ece6e39a7317b90ca51f1c
[INFO] running `Command { std: "docker" "start" "-a" "3d7b1d473c05a6f0c43a6426da1bc5c348ef893db0ece6e39a7317b90ca51f1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_engine_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `BASE_POWER` is never used
[INFO] [stdout]  --> src/utils/static_expandable_array.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BASE_POWER: usize = 4;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BASE` is never used
[INFO] [stdout]  --> src/utils/static_expandable_array.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BASE: usize = 1 << BASE_POWER;
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StaticExpandableArray` is never constructed
[INFO] [stdout]  --> src/utils/static_expandable_array.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct StaticExpandableArray<T> where T: Default + Copy {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, and `get` are never used
[INFO] [stdout]   --> src/utils/static_expandable_array.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T> StaticExpandableArray<T> where T: Default + Copy {
[INFO] [stdout]    | -------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn push(&mut self, item: T) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn get(&self, index: usize) -> Option<&T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Storage` is never constructed
[INFO] [stdout]    --> src/utils/static_expandable_array.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 | struct Storage<T> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/utils/static_expandable_array.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 183 | impl<T> Storage<T> {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] 184 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_segment` is never used
[INFO] [stdout]    --> src/utils/static_expandable_array.rs:254:4
[INFO] [stdout]     |
[INFO] [stdout] 254 | fn get_segment(index: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_lower_index_range` is never used
[INFO] [stdout]    --> src/utils/static_expandable_array.rs:261:4
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn get_lower_index_range(segment: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "3d7b1d473c05a6f0c43a6426da1bc5c348ef893db0ece6e39a7317b90ca51f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d7b1d473c05a6f0c43a6426da1bc5c348ef893db0ece6e39a7317b90ca51f1c", kill_on_drop: false }`
[INFO] [stdout] 3d7b1d473c05a6f0c43a6426da1bc5c348ef893db0ece6e39a7317b90ca51f1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 77bee8ca494b7d010a15e25413192478ecd5b7abe17f019edcafa446f2bf97f7
[INFO] running `Command { std: "docker" "start" "-a" "77bee8ca494b7d010a15e25413192478ecd5b7abe17f019edcafa446f2bf97f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_engine_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "77bee8ca494b7d010a15e25413192478ecd5b7abe17f019edcafa446f2bf97f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77bee8ca494b7d010a15e25413192478ecd5b7abe17f019edcafa446f2bf97f7", kill_on_drop: false }`
[INFO] [stdout] 77bee8ca494b7d010a15e25413192478ecd5b7abe17f019edcafa446f2bf97f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 607000bd71310398c258fa2c7949434afbef1d5277f2731ba40848d91b8d51b4
[INFO] running `Command { std: "docker" "start" "-a" "607000bd71310398c258fa2c7949434afbef1d5277f2731ba40848d91b8d51b4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_engine_test-d2ba963c2c195297)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test utils::static_expandable_array::tests::test_get_lower_index_range ... ok
[INFO] [stdout] test utils::static_expandable_array::tests::test_get_segment ... ok
[INFO] [stdout] test utils::static_expandable_array::tests::test_push_and_get ... ok
[INFO] [stdout] test utils::static_expandable_array::tests::test_out_of_bounds_index - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "607000bd71310398c258fa2c7949434afbef1d5277f2731ba40848d91b8d51b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607000bd71310398c258fa2c7949434afbef1d5277f2731ba40848d91b8d51b4", kill_on_drop: false }`
[INFO] [stdout] 607000bd71310398c258fa2c7949434afbef1d5277f2731ba40848d91b8d51b4
