[INFO] fetching crate visiting_ref 0.2.0... [INFO] testing visiting_ref-0.2.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate visiting_ref 0.2.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate visiting_ref 0.2.0 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 visiting_ref 0.2.0 [INFO] finished tweaking crates.io crate visiting_ref 0.2.0 [INFO] tweaked toml for crates.io crate visiting_ref 0.2.0 written to /workspace/builds/worker-8/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] [stderr] Blocking waiting for file lock on package cache [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] 096da0f1ac2d119fa520b9fe0a9b8792b7f05ae249a59d57230e58301d853e1d [INFO] running `"docker" "start" "-a" "096da0f1ac2d119fa520b9fe0a9b8792b7f05ae249a59d57230e58301d853e1d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling visiting_ref v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.77s [INFO] running `"docker" "inspect" "096da0f1ac2d119fa520b9fe0a9b8792b7f05ae249a59d57230e58301d853e1d"` [INFO] running `"docker" "rm" "-f" "096da0f1ac2d119fa520b9fe0a9b8792b7f05ae249a59d57230e58301d853e1d"` [INFO] [stdout] 096da0f1ac2d119fa520b9fe0a9b8792b7f05ae249a59d57230e58301d853e1d [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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 801984cb611e056d57b1b30cf519dbebf1277670d5432e651d32881316978a4d [INFO] running `"docker" "start" "-a" "801984cb611e056d57b1b30cf519dbebf1277670d5432e651d32881316978a4d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling tokio v0.2.21 [INFO] [stderr] Compiling visiting_ref v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.05s [INFO] running `"docker" "inspect" "801984cb611e056d57b1b30cf519dbebf1277670d5432e651d32881316978a4d"` [INFO] running `"docker" "rm" "-f" "801984cb611e056d57b1b30cf519dbebf1277670d5432e651d32881316978a4d"` [INFO] [stdout] 801984cb611e056d57b1b30cf519dbebf1277670d5432e651d32881316978a4d [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] 16d13ae9c92a96a5da51c9ebe0836bb1814c1139f8bde1fb0b4e9d813d323951 [INFO] running `"docker" "start" "-a" "16d13ae9c92a96a5da51c9ebe0836bb1814c1139f8bde1fb0b4e9d813d323951"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/visiting_ref-0cf24cab109f4437 [INFO] [stderr] Doc-tests visiting_ref [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test tests::fmt_binary_impl_works ... ok [INFO] [stdout] test tests::fmt_debug_impl_works ... ok [INFO] [stdout] test tests::fmt_display_impl_works ... ok [INFO] [stdout] test tests::fmt_lower_exp_impl_works ... ok [INFO] [stdout] test tests::fmt_octal_impl_works ... ok [INFO] [stdout] test tests::fmt_pointer_impl_works ... ok [INFO] [stdout] test tests::fmt_upper_hex_impl_works ... ok [INFO] [stdout] test tests::fmt_lower_hex_impl_works ... ok [INFO] [stdout] test tests::fmt_upper_exp_impl_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test src/lib.rs - (line 253) ... ok [INFO] [stdout] test src/lib.rs - (line 282) ... ok [INFO] [stdout] test src/lib.rs - (line 63) ... ok [INFO] [stdout] test src/lib.rs - VisitingMut::run_with (line 569) ... ok [INFO] [stdout] test src/lib.rs - (line 47) ... ok [INFO] [stdout] test src/lib.rs - VisitingMut::downgrade (line 546) ... ok [INFO] [stdout] test src/lib.rs - VisitingRef::new (line 435) ... ok [INFO] [stdout] test src/lib.rs - VisitingRef::run_with (line 459) ... ok [INFO] [stdout] test src/lib.rs - (line 81) ... ok [INFO] [stdout] test src/lib.rs - VisitingMut::new (line 521) ... ok [INFO] [stdout] test src/lib.rs - (line 326) ... ok [INFO] [stdout] test src/lib.rs - (line 123) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "16d13ae9c92a96a5da51c9ebe0836bb1814c1139f8bde1fb0b4e9d813d323951"` [INFO] running `"docker" "rm" "-f" "16d13ae9c92a96a5da51c9ebe0836bb1814c1139f8bde1fb0b4e9d813d323951"` [INFO] [stdout] 16d13ae9c92a96a5da51c9ebe0836bb1814c1139f8bde1fb0b4e9d813d323951