[INFO] fetching crate sloth 0.2.0... [INFO] testing sloth-0.2.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate sloth 0.2.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate sloth 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 sloth 0.2.0 [INFO] finished tweaking crates.io crate sloth 0.2.0 [INFO] tweaked toml for crates.io crate sloth 0.2.0 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 6668d602a929736614d00bf7f48e35149ab04b16b59f3ad6a18518c376252df8 [INFO] running `"docker" "start" "-a" "6668d602a929736614d00bf7f48e35149ab04b16b59f3ad6a18518c376252df8"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling sloth v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `"docker" "inspect" "6668d602a929736614d00bf7f48e35149ab04b16b59f3ad6a18518c376252df8"` [INFO] running `"docker" "rm" "-f" "6668d602a929736614d00bf7f48e35149ab04b16b59f3ad6a18518c376252df8"` [INFO] [stdout] 6668d602a929736614d00bf7f48e35149ab04b16b59f3ad6a18518c376252df8 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 16a787f5da50b05f2e966cf27b5eb2df94cba490461993665d1cd32c66d4350d [INFO] running `"docker" "start" "-a" "16a787f5da50b05f2e966cf27b5eb2df94cba490461993665d1cd32c66d4350d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling sloth v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.48s [INFO] running `"docker" "inspect" "16a787f5da50b05f2e966cf27b5eb2df94cba490461993665d1cd32c66d4350d"` [INFO] running `"docker" "rm" "-f" "16a787f5da50b05f2e966cf27b5eb2df94cba490461993665d1cd32c66d4350d"` [INFO] [stdout] 16a787f5da50b05f2e966cf27b5eb2df94cba490461993665d1cd32c66d4350d [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 0cf9f2a2d9692c2f79c5e3b13c4c7641f6eb2bd2e010c6bc75f7563d5d0d74aa [INFO] running `"docker" "start" "-a" "0cf9f2a2d9692c2f79c5e3b13c4c7641f6eb2bd2e010c6bc75f7563d5d0d74aa"` [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/sloth-a810b430cc91dd01 [INFO] [stdout] [INFO] [stdout] running 27 tests [INFO] [stdout] test tests::lazy_int_value_modification_deref_mut ... ok [INFO] [stdout] test tests::lazy_int_value_modification_value_mut ... ok [INFO] [stdout] test tests::lazy_int_value_modification_borrow_mut ... ok [INFO] [stdout] test tests::lazy_evaluator_never_called_if_unused ... ok [INFO] [stdout] test tests::lazy_int_value_retrieval ... ok [INFO] [stdout] test tests::lazy_str_value_modification_borrow_mut ... ok [INFO] [stdout] test tests::lazy_str_value_modification_deref_mut ... ok [INFO] [stdout] test tests::lazy_str_value_retrieval ... ok [INFO] [stdout] test tests::lazy_str_value_modification_value_mut ... ok [INFO] [stdout] test tests::lazy_string_value_modification_borrow_mut ... ok [INFO] [stdout] test tests::lazy_string_value_modification_deref_mut ... ok [INFO] [stdout] test tests::lazy_string_value_modification_value_mut ... ok [INFO] [stdout] test tests::lazy_string_value_retrieval ... ok [INFO] [stdout] test tests::lazy_value_drop_if_used ... ok [INFO] [stdout] test tests::lazy_value_no_drop_if_unused ... ok [INFO] [stdout] test tests::lazy_value_no_drop_on_unwrap ... ok [INFO] [stdout] test tests::lazy_init_as_ref ... ok [INFO] [stdout] test tests::lazy_init_as_mut ... ok [INFO] [stdout] test tests::lazy_init_deref_mut ... ok [INFO] [stdout] test tests::lazy_init_borrow_mut ... ok [INFO] [stdout] test tests::lazy_init_value_mut ... ok [INFO] [stdout] test tests::lazy_init_unwrap ... ok [INFO] [stdout] test tests::lazy_init_value_ref ... ok [INFO] [stdout] test tests::lazy_evaluator_called_once ... ok [INFO] [stdout] test tests::lazy_init_borrow ... ok [INFO] [stdout] test tests::lazy_init_value ... ok [INFO] [stdout] test tests::lazy_init_deref ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests sloth [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - (line 45) ... ok [INFO] [stdout] test src/lazy.rs - lazy::Lazy (line 46) ... ok [INFO] [stdout] test src/lib.rs - (line 56) ... ok [INFO] [stdout] test src/lazy.rs - lazy::Lazy (line 82) ... ok [INFO] [stdout] test src/lazy.rs - lazy::Lazy (line 63) ... ok [INFO] [stdout] test src/lib.rs - (line 6) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "0cf9f2a2d9692c2f79c5e3b13c4c7641f6eb2bd2e010c6bc75f7563d5d0d74aa"` [INFO] running `"docker" "rm" "-f" "0cf9f2a2d9692c2f79c5e3b13c4c7641f6eb2bd2e010c6bc75f7563d5d0d74aa"` [INFO] [stdout] 0cf9f2a2d9692c2f79c5e3b13c4c7641f6eb2bd2e010c6bc75f7563d5d0d74aa