[INFO] cloning repository https://github.com/europeanplaice/rust_cavemen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/europeanplaice/rust_cavemen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuropeanplaice%2Frust_cavemen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuropeanplaice%2Frust_cavemen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb1ff41bdeae8aab92974bfe438dfffd5ddb9e86
[INFO] testing europeanplaice/rust_cavemen against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuropeanplaice%2Frust_cavemen" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/europeanplaice/rust_cavemen on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/europeanplaice/rust_cavemen
[INFO] finished tweaking git repo https://github.com/europeanplaice/rust_cavemen
[INFO] tweaked toml for git repo https://github.com/europeanplaice/rust_cavemen written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/europeanplaice/rust_cavemen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c4e60c4cbc9a1cdd869ac25ae56e7e2e87b3e4e88d526fafdcfd3eac6e3f485
[INFO] running `Command { std: "docker" "start" "-a" "8c4e60c4cbc9a1cdd869ac25ae56e7e2e87b3e4e88d526fafdcfd3eac6e3f485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c4e60c4cbc9a1cdd869ac25ae56e7e2e87b3e4e88d526fafdcfd3eac6e3f485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4e60c4cbc9a1cdd869ac25ae56e7e2e87b3e4e88d526fafdcfd3eac6e3f485", kill_on_drop: false }`
[INFO] [stdout] 8c4e60c4cbc9a1cdd869ac25ae56e7e2e87b3e4e88d526fafdcfd3eac6e3f485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77cdc9c548a9fd5f64357fb0fc19c3473717a2f857124fa67aa86f907c3c197
[INFO] running `Command { std: "docker" "start" "-a" "e77cdc9c548a9fd5f64357fb0fc19c3473717a2f857124fa67aa86f907c3c197", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_cavemen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `maximum_sum`
[INFO] [stdout]  --> src/dp_module.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn maximum_sum(a: &Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `knapsack`
[INFO] [stdout]   --> src/dp_module.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn knapsack(value: &Vec<i32>, weight: &Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.53s
[INFO] running `Command { std: "docker" "inspect" "e77cdc9c548a9fd5f64357fb0fc19c3473717a2f857124fa67aa86f907c3c197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77cdc9c548a9fd5f64357fb0fc19c3473717a2f857124fa67aa86f907c3c197", kill_on_drop: false }`
[INFO] [stdout] e77cdc9c548a9fd5f64357fb0fc19c3473717a2f857124fa67aa86f907c3c197
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0b01836f3aace9da06bcf1c2f8746f54096a12fa7def35ee0bddfdf420c7de7
[INFO] running `Command { std: "docker" "start" "-a" "f0b01836f3aace9da06bcf1c2f8746f54096a12fa7def35ee0bddfdf420c7de7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_cavemen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `Command { std: "docker" "inspect" "f0b01836f3aace9da06bcf1c2f8746f54096a12fa7def35ee0bddfdf420c7de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b01836f3aace9da06bcf1c2f8746f54096a12fa7def35ee0bddfdf420c7de7", kill_on_drop: false }`
[INFO] [stdout] f0b01836f3aace9da06bcf1c2f8746f54096a12fa7def35ee0bddfdf420c7de7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4dc43d99e24a885f6fb531cf2a137476e6f9761ed102e80eae0ca694fe08bd16
[INFO] running `Command { std: "docker" "start" "-a" "4dc43d99e24a885f6fb531cf2a137476e6f9761ed102e80eae0ca694fe08bd16", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.76s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_cavemen-a9e6aa373ae20b43)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test dp_module::tests::test_knapsack ... ok
[INFO] [stdout] test math::tests::test_factrial ... ok
[INFO] [stdout] test dp_module::tests::test_maximum_sum ... ok
[INFO] [stdout] test stats_module::test::test_count_ordered_with_replacement ... ok
[INFO] [stdout] test stats_module::test::test_count_unordered_with_replacement ... ok
[INFO] [stdout] test stats_module::test::test_count_unordered_without_replacement ... ok
[INFO] [stdout] test stats_module::test::test_mean ... ok
[INFO] [stdout] test stats_module::test::test_ordered_without_replacement ... ok
[INFO] [stdout] test stats_module::test::test_standard_norm_dist ... ok
[INFO] [stdout] test stats_module::test::test_std ... ok
[INFO] [stdout] test stats_module::test::test_var ... ok
[INFO] [stdout] test dp_module::tests::test_find_test ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_cavemen-f69f41d39d72d310)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.63s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test dp_module::tests::test_knapsack ... ok
[INFO] [stdout] test dp_module::tests::test_maximum_sum ... ok
[INFO] [stdout] test dp_module::tests::test_find_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 11.32s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_cavemen
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/dp_module.rs - dp_module::dp::find_subset (line 48) ... ok
[INFO] [stdout] test src/dp_module.rs - dp_module::dp::find_subset_fast_only_positive (line 113) ... ok
[INFO] [stdout] test src/dp_module.rs - dp_module::dp::find_subset (line 37) ... ok
[INFO] [stdout] test src/dp_module.rs - dp_module::dp::find_subset_fast_only_positive (line 103) ... ok
[INFO] [stdout] test src/math.rs - math::factrial (line 2) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4dc43d99e24a885f6fb531cf2a137476e6f9761ed102e80eae0ca694fe08bd16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc43d99e24a885f6fb531cf2a137476e6f9761ed102e80eae0ca694fe08bd16", kill_on_drop: false }`
[INFO] [stdout] 4dc43d99e24a885f6fb531cf2a137476e6f9761ed102e80eae0ca694fe08bd16