[INFO] fetching crate cached 0.13.1...
[INFO] testing cached-0.13.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate cached 0.13.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cached 0.13.1 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 cached 0.13.1
[INFO] finished tweaking crates.io crate cached 0.13.1
[INFO] tweaked toml for crates.io crate cached 0.13.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cached 0.13.1 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] 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] a2e7fcdf852733907675d4085c72eb00c42b43acc8e5a8fb12a86a4408fcb46b
[INFO] running `"docker" "start" "-a" "a2e7fcdf852733907675d4085c72eb00c42b43acc8e5a8fb12a86a4408fcb46b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling kv-log-macro v1.0.6
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling pin-project v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling piper v0.1.2
[INFO] [stderr]    Compiling smol v0.1.10
[INFO] [stderr]    Compiling async-std v1.6.0
[INFO] [stderr]    Compiling cached_proc_macro v0.1.1
[INFO] [stderr]    Compiling cached v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.87s
[INFO] running `"docker" "inspect" "a2e7fcdf852733907675d4085c72eb00c42b43acc8e5a8fb12a86a4408fcb46b"`
[INFO] running `"docker" "rm" "-f" "a2e7fcdf852733907675d4085c72eb00c42b43acc8e5a8fb12a86a4408fcb46b"`
[INFO] [stdout] a2e7fcdf852733907675d4085c72eb00c42b43acc8e5a8fb12a86a4408fcb46b
[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] 459e79e27d6b13b750f5041189b9257a7005a73a077c39516c9aa53b951d91e4
[INFO] running `"docker" "start" "-a" "459e79e27d6b13b750f5041189b9257a7005a73a077c39516c9aa53b951d91e4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling cached v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> tests/cached.rs:224:27
[INFO] [stderr]     |
[INFO] [stderr] 224 |     PostGet(cached_val) = { return Ok(cached_val.clone()) };
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> tests/cached.rs:231:22
[INFO] [stderr]     |
[INFO] [stderr] 231 |     Set(set_value) = { set_value.clone() };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `"docker" "inspect" "459e79e27d6b13b750f5041189b9257a7005a73a077c39516c9aa53b951d91e4"`
[INFO] running `"docker" "rm" "-f" "459e79e27d6b13b750f5041189b9257a7005a73a077c39516c9aa53b951d91e4"`
[INFO] [stdout] 459e79e27d6b13b750f5041189b9257a7005a73a077c39516c9aa53b951d91e4
[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] [stdout] 4ecda56cced126ff24f1669ca83550c887abcf2b729565491556143d599edb7a
[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" "4ecda56cced126ff24f1669ca83550c887abcf2b729565491556143d599edb7a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]    --> tests/cached.rs:224:27
[INFO] [stderr]     |
[INFO] [stderr] 224 |     PostGet(cached_val) = { return Ok(cached_val.clone()) };
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> tests/cached.rs:231:22
[INFO] [stderr]     |
[INFO] [stderr] 231 |     Set(set_value) = { set_value.clone() };
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cached-98a6d5b10e8dbc66
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test stores::tests::basic_cache ... ok
[INFO] [stdout] test stores::tests::clear ... ok
[INFO] [stdout] test stores::tests::remove ... ok
[INFO] [stdout] test stores::tests::reset ... ok
[INFO] [stdout] test stores::tests::size_cache_racing_keys_eviction_regression ... ok
[INFO] [stdout] test stores::tests::sized_cache_get_mut ... ok
[INFO] [stdout] test stores::tests::sized_cache ... ok
[INFO] [stdout] test stores::tests::timed_cache ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cached-ae3d7612a18984c7
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test cache_result_no_default ... ok
[INFO] [stdout] test cache_result_key ... ok
[INFO] [stdout] test test_sized_cache ... ok
[INFO] [stdout] test test_can_fail ... ok
[INFO] [stdout] test test_string_cache ... ok
[INFO] [stdout] test test_unbound_cache ... ok
[INFO] [stdout] test test_racing_duplicate_keys_do_not_duplicate_sized_cache_ordering ... ok
[INFO] [stdout] test test_timed_cache ... ok
[INFO] [stdout] test test_timed_cache_key ... ok
[INFO] [stdout] test test_sized_cache_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cached
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs -  (line 216) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 247) ... ok
[INFO] [stdout] test src/lib.rs -  (line 160) ... ok
[INFO] [stdout] test src/lib.rs -  (line 190) ... ok
[INFO] [stdout] test src/lib.rs -  (line 33) ... ok
[INFO] [stdout] test src/lib.rs -  (line 47) ... ok
[INFO] [stdout] test src/lib.rs -  (line 62) ... ok
[INFO] [stdout] test src/lib.rs -  (line 136) ... ok
[INFO] [stdout] test src/lib.rs -  (line 115) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4ecda56cced126ff24f1669ca83550c887abcf2b729565491556143d599edb7a"`
[INFO] running `"docker" "rm" "-f" "4ecda56cced126ff24f1669ca83550c887abcf2b729565491556143d599edb7a"`
[INFO] [stdout] 4ecda56cced126ff24f1669ca83550c887abcf2b729565491556143d599edb7a