[INFO] updating cached repository https://github.com/mikaylathompson/rust-bloom-filter [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] b8de00eff4227a3988ec52e51e3a031716523da7 [INFO] testing mikaylathompson/rust-bloom-filter against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikaylathompson%2Frust-bloom-filter" "/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/mikaylathompson/rust-bloom-filter 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/mikaylathompson/rust-bloom-filter [INFO] finished tweaking git repo https://github.com/mikaylathompson/rust-bloom-filter [INFO] tweaked toml for git repo https://github.com/mikaylathompson/rust-bloom-filter written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/mikaylathompson/rust-bloom-filter 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] 6766d777e0289a819490541fa09335778c93e1d9dd34f7e145e523e5734179ce [INFO] running `"docker" "start" "-a" "6766d777e0289a819490541fa09335778c93e1d9dd34f7e145e523e5734179ce"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling bloom-filter v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `"docker" "inspect" "6766d777e0289a819490541fa09335778c93e1d9dd34f7e145e523e5734179ce"` [INFO] running `"docker" "rm" "-f" "6766d777e0289a819490541fa09335778c93e1d9dd34f7e145e523e5734179ce"` [INFO] [stdout] 6766d777e0289a819490541fa09335778c93e1d9dd34f7e145e523e5734179ce [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] 67a86bc824b85ceaccaf05ec9af65b834876087119d076071eeff91b42beb587 [INFO] running `"docker" "start" "-a" "67a86bc824b85ceaccaf05ec9af65b834876087119d076071eeff91b42beb587"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling bloom-filter v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let x = BloomFilter::new(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `twowords` [INFO] [stderr] --> src/main.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let twowords = oneword.add("world".to_string()); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_twowords` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `"docker" "inspect" "67a86bc824b85ceaccaf05ec9af65b834876087119d076071eeff91b42beb587"` [INFO] running `"docker" "rm" "-f" "67a86bc824b85ceaccaf05ec9af65b834876087119d076071eeff91b42beb587"` [INFO] [stdout] 67a86bc824b85ceaccaf05ec9af65b834876087119d076071eeff91b42beb587 [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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6c2b35ed081a13eba2886cd26b6220cf1fb3345f16b4c61024cb79b87a4e02bd [INFO] running `"docker" "start" "-a" "6c2b35ed081a13eba2886cd26b6220cf1fb3345f16b4c61024cb79b87a4e02bd"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:39:9 [INFO] [stderr] | [INFO] [stderr] 39 | let x = BloomFilter::new(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `twowords` [INFO] [stderr] --> src/main.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | let twowords = oneword.add("world".to_string()); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_twowords` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/bloom_filter-b8319e99b0142f1d [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test inserted_words_are_found ... ok [INFO] [stdout] test add_fn_runs ... ok [INFO] [stdout] test instantiate_bloom_filter ... ok [INFO] [stdout] test test_fn_runs ... ok [INFO] [stdout] test not_inserted_words_are_rarely_found ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "6c2b35ed081a13eba2886cd26b6220cf1fb3345f16b4c61024cb79b87a4e02bd"` [INFO] running `"docker" "rm" "-f" "6c2b35ed081a13eba2886cd26b6220cf1fb3345f16b4c61024cb79b87a4e02bd"` [INFO] [stdout] 6c2b35ed081a13eba2886cd26b6220cf1fb3345f16b4c61024cb79b87a4e02bd