[INFO] updating cached repository https://github.com/lelandbatey/rust_mandelbrot [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] b8ab5693b62ee84ead5f4435ffaa056b97081c2d [INFO] testing lelandbatey/rust_mandelbrot against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flelandbatey%2Frust_mandelbrot" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lelandbatey/rust_mandelbrot 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/lelandbatey/rust_mandelbrot [INFO] finished tweaking git repo https://github.com/lelandbatey/rust_mandelbrot [INFO] tweaked toml for git repo https://github.com/lelandbatey/rust_mandelbrot written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/lelandbatey/rust_mandelbrot 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e0e082c3a61c0c5cc41826edf2bdf4f20050eed039a135427831192ac1ef7f0c [INFO] running `"docker" "start" "-a" "e0e082c3a61c0c5cc41826edf2bdf4f20050eed039a135427831192ac1ef7f0c"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling argparse v0.2.1 [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.62s [INFO] running `"docker" "inspect" "e0e082c3a61c0c5cc41826edf2bdf4f20050eed039a135427831192ac1ef7f0c"` [INFO] running `"docker" "rm" "-f" "e0e082c3a61c0c5cc41826edf2bdf4f20050eed039a135427831192ac1ef7f0c"` [INFO] [stdout] e0e082c3a61c0c5cc41826edf2bdf4f20050eed039a135427831192ac1ef7f0c [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 733eaab0df918852b0947e5554f6296ca3f499319129914c384f41be37fdcfeb [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" "733eaab0df918852b0947e5554f6296ca3f499319129914c384f41be37fdcfeb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling mandelbrot v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `"docker" "inspect" "733eaab0df918852b0947e5554f6296ca3f499319129914c384f41be37fdcfeb"` [INFO] running `"docker" "rm" "-f" "733eaab0df918852b0947e5554f6296ca3f499319129914c384f41be37fdcfeb"` [INFO] [stdout] 733eaab0df918852b0947e5554f6296ca3f499319129914c384f41be37fdcfeb [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 29412d57b127848c8bde9064880153f4fe5459b2503a69f682c832f7dbbd0f81 [INFO] running `"docker" "start" "-a" "29412d57b127848c8bde9064880153f4fe5459b2503a69f682c832f7dbbd0f81"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::cmp` [INFO] [stderr] --> src/main.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::cmp; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mandelbrot-7196b8e4dfd835ea [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "29412d57b127848c8bde9064880153f4fe5459b2503a69f682c832f7dbbd0f81"` [INFO] running `"docker" "rm" "-f" "29412d57b127848c8bde9064880153f4fe5459b2503a69f682c832f7dbbd0f81"` [INFO] [stdout] 29412d57b127848c8bde9064880153f4fe5459b2503a69f682c832f7dbbd0f81