[INFO] updating cached repository https://github.com/rednithin/RustCompetitiveEnv [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] 07a92b3198ff0be5e8e082fc0e570701a1508d91 [INFO] testing rednithin/RustCompetitiveEnv against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frednithin%2FRustCompetitiveEnv" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rednithin/RustCompetitiveEnv on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/rednithin/RustCompetitiveEnv [INFO] finished tweaking git repo https://github.com/rednithin/RustCompetitiveEnv [INFO] tweaked toml for git repo https://github.com/rednithin/RustCompetitiveEnv written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/rednithin/RustCompetitiveEnv already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.44.0" "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] 13a87da52362fd209d9801afa3417c74faee6309375878f0f737bcb6f3d89f3f [INFO] running `"docker" "start" "-a" "13a87da52362fd209d9801afa3417c74faee6309375878f0f737bcb6f3d89f3f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rust_competitive v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `lcg` [INFO] [stderr] --> src/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut lcg = rand::LCG::new(1664525, 1013904223, 1 << 47, Some(0)); // Java's Constants [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lcg` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lcg` [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut lcg = rand::LCG::new(6364136223846793005, 1, 1 << 63, None); // MMIX Donald Knuth [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lcg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lcg` [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut lcg = rand::XoShiro256SS::new(None); // XoShiro256SS [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lcg` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut lcg = rand::LCG::new(1664525, 1013904223, 1 << 47, Some(0)); // Java's Constants [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:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut lcg = rand::LCG::new(6364136223846793005, 1, 1 << 63, None); // MMIX Donald Knuth [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut lcg = rand::XoShiro256SS::new(None); // XoShiro256SS [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_kth_largest` [INFO] [stderr] --> src/competitive/kth.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn find_kth_largest(nums: &Vec, mut k: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `a` [INFO] [stderr] --> src/competitive/rand.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | a: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `b` [INFO] [stderr] --> src/competitive/rand.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | b: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `m` [INFO] [stderr] --> src/competitive/rand.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | m: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> src/competitive/rand.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | x: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next` [INFO] [stderr] --> src/competitive/rand.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn next(&mut self) -> u64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.32s [INFO] running `"docker" "inspect" "13a87da52362fd209d9801afa3417c74faee6309375878f0f737bcb6f3d89f3f"` [INFO] running `"docker" "rm" "-f" "13a87da52362fd209d9801afa3417c74faee6309375878f0f737bcb6f3d89f3f"` [INFO] [stdout] 13a87da52362fd209d9801afa3417c74faee6309375878f0f737bcb6f3d89f3f [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.44.0" "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] 6cc4832fc1dcd66a02ad27b356e585c2a403eb8965eca51398c125e500b7ed03 [INFO] running `"docker" "start" "-a" "6cc4832fc1dcd66a02ad27b356e585c2a403eb8965eca51398c125e500b7ed03"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rust_competitive v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `lcg` [INFO] [stderr] --> src/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut lcg = rand::LCG::new(1664525, 1013904223, 1 << 47, Some(0)); // Java's Constants [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lcg` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lcg` [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut lcg = rand::LCG::new(6364136223846793005, 1, 1 << 63, None); // MMIX Donald Knuth [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lcg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lcg` [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut lcg = rand::XoShiro256SS::new(None); // XoShiro256SS [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lcg` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut lcg = rand::LCG::new(1664525, 1013904223, 1 << 47, Some(0)); // Java's Constants [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:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut lcg = rand::LCG::new(6364136223846793005, 1, 1 << 63, None); // MMIX Donald Knuth [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut lcg = rand::XoShiro256SS::new(None); // XoShiro256SS [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_kth_largest` [INFO] [stderr] --> src/competitive/kth.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn find_kth_largest(nums: &Vec, mut k: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `a` [INFO] [stderr] --> src/competitive/rand.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | a: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `b` [INFO] [stderr] --> src/competitive/rand.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | b: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `m` [INFO] [stderr] --> src/competitive/rand.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | m: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> src/competitive/rand.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | x: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next` [INFO] [stderr] --> src/competitive/rand.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn next(&mut self) -> u64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `"docker" "inspect" "6cc4832fc1dcd66a02ad27b356e585c2a403eb8965eca51398c125e500b7ed03"` [INFO] running `"docker" "rm" "-f" "6cc4832fc1dcd66a02ad27b356e585c2a403eb8965eca51398c125e500b7ed03"` [INFO] [stdout] 6cc4832fc1dcd66a02ad27b356e585c2a403eb8965eca51398c125e500b7ed03 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "+1.44.0" "test" "--frozen"` [INFO] [stdout] 46168700e2d3f40138f75b666a8bcfb5d0aff6f1d57f766a82ad1b9c2dfcb82b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "46168700e2d3f40138f75b666a8bcfb5d0aff6f1d57f766a82ad1b9c2dfcb82b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused variable: `lcg` [INFO] [stderr] --> src/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut lcg = rand::LCG::new(1664525, 1013904223, 1 << 47, Some(0)); // Java's Constants [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lcg` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lcg` [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut lcg = rand::LCG::new(6364136223846793005, 1, 1 << 63, None); // MMIX Donald Knuth [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lcg` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lcg` [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut lcg = rand::XoShiro256SS::new(None); // XoShiro256SS [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lcg` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut lcg = rand::LCG::new(1664525, 1013904223, 1 << 47, Some(0)); // Java's Constants [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:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut lcg = rand::LCG::new(6364136223846793005, 1, 1 << 63, None); // MMIX Donald Knuth [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let mut lcg = rand::XoShiro256SS::new(None); // XoShiro256SS [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_kth_largest` [INFO] [stderr] --> src/competitive/kth.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn find_kth_largest(nums: &Vec, mut k: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `a` [INFO] [stderr] --> src/competitive/rand.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | a: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `b` [INFO] [stderr] --> src/competitive/rand.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | b: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `m` [INFO] [stderr] --> src/competitive/rand.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | m: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> src/competitive/rand.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | x: u64, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next` [INFO] [stderr] --> src/competitive/rand.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn next(&mut self) -> u64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_competitive-29d822d0d7d96ee0 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test competitive::util::test::test_in_memory ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "46168700e2d3f40138f75b666a8bcfb5d0aff6f1d57f766a82ad1b9c2dfcb82b"` [INFO] running `"docker" "rm" "-f" "46168700e2d3f40138f75b666a8bcfb5d0aff6f1d57f766a82ad1b9c2dfcb82b"` [INFO] [stdout] 46168700e2d3f40138f75b666a8bcfb5d0aff6f1d57f766a82ad1b9c2dfcb82b