[INFO] crate ratsio 0.3.0-alpha.1 is already in cache
[INFO] testing ratsio-0.3.0-alpha.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate ratsio 0.3.0-alpha.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ratsio 0.3.0-alpha.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 ratsio 0.3.0-alpha.1
[INFO] finished tweaking crates.io crate ratsio 0.3.0-alpha.1
[INFO] tweaked toml for crates.io crate ratsio 0.3.0-alpha.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ratsio 0.3.0-alpha.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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nkeys v0.0.8
[INFO] [stderr]   Downloaded signatory-dalek v0.16.0
[INFO] [stderr]   Downloaded signatory v0.16.0
[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] 65cc0a0d233d4b445acb465b8c4579697ee437d5b2834e3f8fa91639a66e36ac
[INFO] running `"docker" "start" "-a" "65cc0a0d233d4b445acb465b8c4579697ee437d5b2834e3f8fa91639a66e36ac"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling bytes v0.5.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling atomic-counter v1.0.1
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling subtle-encoding v0.4.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling signature v1.0.0-pre.1
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling ed25519 v1.0.0-pre.1
[INFO] [stderr]    Compiling signatory v0.16.0
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling signatory-dalek v0.16.0
[INFO] [stderr]    Compiling nkeys v0.0.8
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling prost-derive v0.6.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling tokio v0.2.9
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-build v0.6.0
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling pin-project v0.4.6
[INFO] [stderr]    Compiling prost v0.6.0
[INFO] [stderr]    Compiling prost-types v0.6.0
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling ratsio v0.3.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 32s
[INFO] running `"docker" "inspect" "65cc0a0d233d4b445acb465b8c4579697ee437d5b2834e3f8fa91639a66e36ac"`
[INFO] running `"docker" "rm" "-f" "65cc0a0d233d4b445acb465b8c4579697ee437d5b2834e3f8fa91639a66e36ac"`
[INFO] [stdout] 65cc0a0d233d4b445acb465b8c4579697ee437d5b2834e3f8fa91639a66e36ac
[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] 49d86049fc4877e43b72864806ca59dc3cfe8aee2d4ad33d68e86fca0172d82b
[INFO] running `"docker" "start" "-a" "49d86049fc4877e43b72864806ca59dc3cfe8aee2d4ad33d68e86fca0172d82b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ratsio v0.3.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `prost::Message`
[INFO] [stderr]  --> tests/nats_client_test.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use prost::Message;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `discover_subject`
[INFO] [stderr]   --> tests/nats_client_test.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let discover_subject = "_STAN.discover.test-cluster";
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discover_subject`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `connect_request`
[INFO] [stderr]   --> tests/nats_client_test.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let connect_request = protocol::ConnectRequest {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connect_request`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ratsio`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name stan_subscribe --edition=2018 examples/stan_subscribe.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="native-tls"' --cfg 'feature="tls"' --cfg 'feature="tokio-tls"' -C metadata=bbb048c7002782a1 -C extra-filename=-bbb048c7002782a1 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern atomic_counter=/opt/rustwide/target/debug/deps/libatomic_counter-c7ae3d6f52cc2bd2.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-b6b5ea36cb72e6bc.rlib --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-0d7329a98a9ffead.rlib --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-cf90066c65688016.rlib --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-8f98ed1a7d9a4bd7.so --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d0cb1aa05ae6e742.rlib --extern failure=/opt/rustwide/target/debug/deps/libfailure-8a9ce06323ee091c.rlib --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-7bd0e72cc07449ac.so --extern futures=/opt/rustwide/target/debug/deps/libfutures-12acfa46074c67b4.rlib --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-e14c5cace1452ff4.rlib --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-8e166749a87526c0.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-36bd8bbfaaa85bd1.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-3d65ebee37a7b6c8.rlib --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-4cc07ed9e8429481.rlib --extern nkeys=/opt/rustwide/target/debug/deps/libnkeys-9a246333e7f09f0d.rlib --extern nom=/opt/rustwide/target/debug/deps/libnom-5770ab934fb369e9.rlib --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-c2b7609d58dc429b.rlib --extern prost=/opt/rustwide/target/debug/deps/libprost-d8084aa49f054ac5.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-e5c4a532302eb244.rlib --extern ratsio=/opt/rustwide/target/debug/deps/libratsio-2b8bb6acf91dfcbf.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-1194fefff493e951.rlib --extern sha2=/opt/rustwide/target/debug/deps/libsha2-921bbcb68fccac23.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b8e6bf7d95b3be21.rlib --extern tokio_tls=/opt/rustwide/target/debug/deps/libtokio_tls-ffdcc80defeefafe.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-71e36b2cf214717d.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/backtrace-sys-85de2db0b3bf4621/out -L native=/opt/rustwide/target/debug/build/clear_on_drop-3abee8473d960f05/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "49d86049fc4877e43b72864806ca59dc3cfe8aee2d4ad33d68e86fca0172d82b"`
[INFO] running `"docker" "rm" "-f" "49d86049fc4877e43b72864806ca59dc3cfe8aee2d4ad33d68e86fca0172d82b"`
[INFO] [stdout] 49d86049fc4877e43b72864806ca59dc3cfe8aee2d4ad33d68e86fca0172d82b