[INFO] cloning repository https://github.com/SixExtreme/sword [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SixExtreme/sword" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSixExtreme%2Fsword"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSixExtreme%2Fsword'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f21b8719464b4255c53654c08f828096d17c933d [INFO] testing SixExtreme/sword against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSixExtreme%2Fsword" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SixExtreme/sword on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/SixExtreme/sword [INFO] finished tweaking git repo https://github.com/SixExtreme/sword [INFO] tweaked toml for git repo https://github.com/SixExtreme/sword written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/SixExtreme/sword already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] c0e1542941643c8e871e29d6d96bb7e997206a0b39832bb40bd12cebc73b18cf [INFO] running `"docker" "start" "-a" "c0e1542941643c8e871e29d6d96bb7e997206a0b39832bb40bd12cebc73b18cf"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling sword v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/math/sqrtx.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Solution; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `my_sqrt` [INFO] [stderr] --> src/math/sqrtx.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn my_sqrt(x: i32) -> i32 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Solution` [INFO] [stderr] --> src/array/two_sum.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Solution; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `two_sum` [INFO] [stderr] --> src/array/two_sum.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `"docker" "inspect" "c0e1542941643c8e871e29d6d96bb7e997206a0b39832bb40bd12cebc73b18cf"` [INFO] running `"docker" "rm" "-f" "c0e1542941643c8e871e29d6d96bb7e997206a0b39832bb40bd12cebc73b18cf"` [INFO] [stdout] c0e1542941643c8e871e29d6d96bb7e997206a0b39832bb40bd12cebc73b18cf [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] d1456eaa44b37138a1612fb7c6ce491d38f49ebab59244602d896e0898a819f6 [INFO] running `"docker" "start" "-a" "d1456eaa44b37138a1612fb7c6ce491d38f49ebab59244602d896e0898a819f6"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling sword v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.11s [INFO] running `"docker" "inspect" "d1456eaa44b37138a1612fb7c6ce491d38f49ebab59244602d896e0898a819f6"` [INFO] running `"docker" "rm" "-f" "d1456eaa44b37138a1612fb7c6ce491d38f49ebab59244602d896e0898a819f6"` [INFO] [stdout] d1456eaa44b37138a1612fb7c6ce491d38f49ebab59244602d896e0898a819f6 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-06-03" "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] add07fecc5309b4160b98987f24437f741f5ec3b6f2c9fd9b3e628cf8599c8d6 [INFO] running `"docker" "start" "-a" "add07fecc5309b4160b98987f24437f741f5ec3b6f2c9fd9b3e628cf8599c8d6"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/sword-c3bb987e9e9638e1 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test array::two_sum::test_solution ... ok [INFO] [stdout] test math::sqrtx::test_solution ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "add07fecc5309b4160b98987f24437f741f5ec3b6f2c9fd9b3e628cf8599c8d6"` [INFO] running `"docker" "rm" "-f" "add07fecc5309b4160b98987f24437f741f5ec3b6f2c9fd9b3e628cf8599c8d6"` [INFO] [stdout] add07fecc5309b4160b98987f24437f741f5ec3b6f2c9fd9b3e628cf8599c8d6