[INFO] crate stepper 0.1.0 is already in cache [INFO] testing stepper-0.1.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate stepper 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate stepper 0.1.0 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 crates.io crate stepper 0.1.0 [INFO] finished tweaking crates.io crate stepper 0.1.0 [INFO] tweaked toml for crates.io crate stepper 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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-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" "+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] 84af7a70f06cb7fa559f81167d89fb0423229c1c58e4d8c35d2aad33d335d725 [INFO] running `"docker" "start" "-a" "84af7a70f06cb7fa559f81167d89fb0423229c1c58e4d8c35d2aad33d335d725"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling stepper v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `"docker" "inspect" "84af7a70f06cb7fa559f81167d89fb0423229c1c58e4d8c35d2aad33d335d725"` [INFO] running `"docker" "rm" "-f" "84af7a70f06cb7fa559f81167d89fb0423229c1c58e4d8c35d2aad33d335d725"` [INFO] [stdout] 84af7a70f06cb7fa559f81167d89fb0423229c1c58e4d8c35d2aad33d335d725 [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" "+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] f000aa3857a9e68e719299b840752df4ba77575778ded319f899be67dd0aeeb7 [INFO] running `"docker" "start" "-a" "f000aa3857a9e68e719299b840752df4ba77575778ded319f899be67dd0aeeb7"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling stepper v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `"docker" "inspect" "f000aa3857a9e68e719299b840752df4ba77575778ded319f899be67dd0aeeb7"` [INFO] running `"docker" "rm" "-f" "f000aa3857a9e68e719299b840752df4ba77575778ded319f899be67dd0aeeb7"` [INFO] [stdout] f000aa3857a9e68e719299b840752df4ba77575778ded319f899be67dd0aeeb7 [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" "+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] f95660aca2d7dd75818759ded8a52ff47f89c601c0d239ccfbc35126bbc03dba [INFO] running `"docker" "start" "-a" "f95660aca2d7dd75818759ded8a52ff47f89c601c0d239ccfbc35126bbc03dba"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/stepper-001a77de7ab3c337 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test test::step_down2 ... ok [INFO] [stdout] test test::step_down1 ... ok [INFO] [stdout] test test::step_up1 ... ok [INFO] [stdout] test test::step_up3 ... ok [INFO] [stdout] test test::step_down3 ... ok [INFO] [stdout] test test::step_up2 ... ok [INFO] [stderr] Doc-tests stepper [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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" "f95660aca2d7dd75818759ded8a52ff47f89c601c0d239ccfbc35126bbc03dba"` [INFO] running `"docker" "rm" "-f" "f95660aca2d7dd75818759ded8a52ff47f89c601c0d239ccfbc35126bbc03dba"` [INFO] [stdout] f95660aca2d7dd75818759ded8a52ff47f89c601c0d239ccfbc35126bbc03dba