[INFO] updating cached repository https://github.com/alextokarew/cubic_rubic [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e9208f865d674a15ccd9c3deb6e25f8339feb144 [INFO] testing alextokarew/cubic_rubic against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falextokarew%2Fcubic_rubic" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alextokarew/cubic_rubic on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/alextokarew/cubic_rubic [INFO] finished tweaking git repo https://github.com/alextokarew/cubic_rubic [INFO] tweaked toml for git repo https://github.com/alextokarew/cubic_rubic written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/alextokarew/cubic_rubic already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d12b4b47b680c8c536a17da8506fb5a3bceeeb39ef915bdb671de368b16f2b06 [INFO] running `"docker" "start" "-a" "d12b4b47b680c8c536a17da8506fb5a3bceeeb39ef915bdb671de368b16f2b06"` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling cubic_rubic v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | for i in 0..num_cores { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `forward_paths` [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | let mut forward_paths: HashMap> = HashMap::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_forward_paths` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `back_paths` [INFO] [stderr] --> src/main.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | let mut back_paths: HashMap> = HashMap::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_back_paths` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `thread_number` [INFO] [stderr] --> src/main.rs:137:19 [INFO] [stderr] | [INFO] [stderr] 137 | fn process_thread(thread_number: u32, receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_number` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `receiver` [INFO] [stderr] --> src/main.rs:137:39 [INFO] [stderr] | [INFO] [stderr] 137 | fn process_thread(thread_number: u32, receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | let mut forward_paths: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | let mut back_paths: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `analyse_cores` [INFO] [stderr] --> src/main.rs:59:4 [INFO] [stderr] | [INFO] [stderr] 59 | fn analyse_cores(num_cores: u128, initial_state: &State) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Moves` [INFO] [stderr] --> src/main.rs:118:8 [INFO] [stderr] | [INFO] [stderr] 118 | struct Moves { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `start` [INFO] [stderr] --> src/main.rs:123:4 [INFO] [stderr] | [INFO] [stderr] 123 | fn start(num_cores: u32) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `process_thread` [INFO] [stderr] --> src/main.rs:137:4 [INFO] [stderr] | [INFO] [stderr] 137 | fn process_thread(thread_number: u32, receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `select_thread` [INFO] [stderr] --> src/main.rs:142:4 [INFO] [stderr] | [INFO] [stderr] 142 | fn select_thread(state_hash: u128) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.74s [INFO] running `"docker" "inspect" "d12b4b47b680c8c536a17da8506fb5a3bceeeb39ef915bdb671de368b16f2b06"` [INFO] running `"docker" "rm" "-f" "d12b4b47b680c8c536a17da8506fb5a3bceeeb39ef915bdb671de368b16f2b06"` [INFO] [stdout] d12b4b47b680c8c536a17da8506fb5a3bceeeb39ef915bdb671de368b16f2b06 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 319aebc4262ecdc4eb8c918b06eaca9e6ce5a4787d9decec28c175a1a9aab8e4 [INFO] running `"docker" "start" "-a" "319aebc4262ecdc4eb8c918b06eaca9e6ce5a4787d9decec28c175a1a9aab8e4"` [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling cubic_rubic v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | for i in 0..num_cores { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `forward_paths` [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | let mut forward_paths: HashMap> = HashMap::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_forward_paths` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `back_paths` [INFO] [stderr] --> src/main.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | let mut back_paths: HashMap> = HashMap::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_back_paths` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `thread_number` [INFO] [stderr] --> src/main.rs:137:19 [INFO] [stderr] | [INFO] [stderr] 137 | fn process_thread(thread_number: u32, receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_number` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `receiver` [INFO] [stderr] --> src/main.rs:137:39 [INFO] [stderr] | [INFO] [stderr] 137 | fn process_thread(thread_number: u32, receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | let mut forward_paths: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | let mut back_paths: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `analyse_cores` [INFO] [stderr] --> src/main.rs:59:4 [INFO] [stderr] | [INFO] [stderr] 59 | fn analyse_cores(num_cores: u128, initial_state: &State) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Moves` [INFO] [stderr] --> src/main.rs:118:8 [INFO] [stderr] | [INFO] [stderr] 118 | struct Moves { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `start` [INFO] [stderr] --> src/main.rs:123:4 [INFO] [stderr] | [INFO] [stderr] 123 | fn start(num_cores: u32) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `process_thread` [INFO] [stderr] --> src/main.rs:137:4 [INFO] [stderr] | [INFO] [stderr] 137 | fn process_thread(thread_number: u32, receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `select_thread` [INFO] [stderr] --> src/main.rs:142:4 [INFO] [stderr] | [INFO] [stderr] 142 | fn select_thread(state_hash: u128) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 10.56s [INFO] running `"docker" "inspect" "319aebc4262ecdc4eb8c918b06eaca9e6ce5a4787d9decec28c175a1a9aab8e4"` [INFO] running `"docker" "rm" "-f" "319aebc4262ecdc4eb8c918b06eaca9e6ce5a4787d9decec28c175a1a9aab8e4"` [INFO] [stdout] 319aebc4262ecdc4eb8c918b06eaca9e6ce5a4787d9decec28c175a1a9aab8e4 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 220db07c61a5a6303d1be06ba6d85eb02a7dbb7913c0900caa9af69b685b6395 [INFO] running `"docker" "start" "-a" "220db07c61a5a6303d1be06ba6d85eb02a7dbb7913c0900caa9af69b685b6395"` [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | for i in 0..num_cores { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `forward_paths` [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | let mut forward_paths: HashMap> = HashMap::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_forward_paths` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `back_paths` [INFO] [stderr] --> src/main.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | let mut back_paths: HashMap> = HashMap::new(); [INFO] [stderr] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_back_paths` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `thread_number` [INFO] [stderr] --> src/main.rs:137:19 [INFO] [stderr] | [INFO] [stderr] 137 | fn process_thread(thread_number: u32, receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_number` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `receiver` [INFO] [stderr] --> src/main.rs:137:39 [INFO] [stderr] | [INFO] [stderr] 137 | fn process_thread(thread_number: u32, receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_receiver` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:138:9 [INFO] [stderr] | [INFO] [stderr] 138 | let mut forward_paths: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:139:9 [INFO] [stderr] | [INFO] [stderr] 139 | let mut back_paths: HashMap> = HashMap::new(); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `analyse_cores` [INFO] [stderr] --> src/main.rs:59:4 [INFO] [stderr] | [INFO] [stderr] 59 | fn analyse_cores(num_cores: u128, initial_state: &State) { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Moves` [INFO] [stderr] --> src/main.rs:118:8 [INFO] [stderr] | [INFO] [stderr] 118 | struct Moves { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `start` [INFO] [stderr] --> src/main.rs:123:4 [INFO] [stderr] | [INFO] [stderr] 123 | fn start(num_cores: u32) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `process_thread` [INFO] [stderr] --> src/main.rs:137:4 [INFO] [stderr] | [INFO] [stderr] 137 | fn process_thread(thread_number: u32, receiver: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `select_thread` [INFO] [stderr] --> src/main.rs:142:4 [INFO] [stderr] | [INFO] [stderr] 142 | fn select_thread(state_hash: u128) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/cubic_rubic-4a86fe29eaef405e [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test state::tests::test_eq ... ok [INFO] [stdout] test state::tests::test_create_from_hash ... ok [INFO] [stdout] test state::tests::test_hash ... ok [INFO] [stdout] test state::tests::test_fmt_debug ... ok [INFO] [stdout] test state::tests::test_turn_bottom_left ... ok [INFO] [stdout] test state::tests::test_turn_front_right ... ok [INFO] [stdout] test state::tests::test_turn_bottom_right ... ok [INFO] [stdout] test state::tests::test_turn_front_left ... ok [INFO] [stdout] test state::tests::test_turn_top_right ... ok [INFO] [stdout] test state::tests::test_turn_top_left ... ok [INFO] [stdout] test state::tests::test_series_of_100_random_turns ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "220db07c61a5a6303d1be06ba6d85eb02a7dbb7913c0900caa9af69b685b6395"` [INFO] running `"docker" "rm" "-f" "220db07c61a5a6303d1be06ba6d85eb02a7dbb7913c0900caa9af69b685b6395"` [INFO] [stdout] 220db07c61a5a6303d1be06ba6d85eb02a7dbb7913c0900caa9af69b685b6395