[INFO] fetching crate ratsio 0.3.0-alpha.6...
[INFO] testing ratsio-0.3.0-alpha.6 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ratsio 0.3.0-alpha.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ratsio 0.3.0-alpha.6 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ratsio 0.3.0-alpha.6
[INFO] finished tweaking crates.io crate ratsio 0.3.0-alpha.6
[INFO] tweaked toml for crates.io crate ratsio 0.3.0-alpha.6 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ratsio 0.3.0-alpha.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-buffer v0.8.0
[INFO] [stderr]   Downloaded futures-sink v0.3.1
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.3
[INFO] [stderr]   Downloaded pin-project v0.4.6
[INFO] [stderr]   Downloaded futures-timer v2.0.2
[INFO] [stderr]   Downloaded futures-task v0.3.1
[INFO] [stderr]   Downloaded futures v0.3.1
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded data-encoding v2.2.1
[INFO] [stderr]   Downloaded ctrlc v3.1.4
[INFO] [stderr]   Downloaded derive_builder_core v0.5.0
[INFO] [stderr]   Downloaded futures-io v0.3.1
[INFO] [stderr]   Downloaded signature v1.0.0-pre.1
[INFO] [stderr]   Downloaded subtle-encoding v0.4.1
[INFO] [stderr]   Downloaded memchr v2.3.0
[INFO] [stderr]   Downloaded signatory v0.18.1
[INFO] [stderr]   Downloaded pin-project-lite v0.1.2
[INFO] [stderr]   Downloaded zeroize v1.1.0
[INFO] [stderr]   Downloaded futures-core v0.3.1
[INFO] [stderr]   Downloaded ed25519 v1.0.0-pre.1
[INFO] [stderr]   Downloaded generic-array v0.14.2
[INFO] [stderr]   Downloaded tokio v0.2.9
[INFO] [stderr]   Downloaded clear_on_drop v0.2.3
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded futures-channel v0.3.1
[INFO] [stderr]   Downloaded subtle v2.2.3
[INFO] [stderr]   Downloaded futures-executor v0.3.1
[INFO] [stderr]   Downloaded futures-macro v0.3.1
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded derive_builder v0.7.2
[INFO] [stderr]   Downloaded sha2 v0.9.0
[INFO] [stderr]   Downloaded tokio-tls v0.3.0
[INFO] [stderr]   Downloaded bytes v0.5.3
[INFO] [stderr]   Downloaded regex v1.3.3
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.11
[INFO] [stderr]   Downloaded nkeys v0.0.9
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.4
[INFO] [stderr]   Downloaded multimap v0.4.0
[INFO] [stderr]   Downloaded futures-util v0.3.1
[INFO] [stderr]   Downloaded signatory-dalek v0.18.1
[INFO] [stderr]   Downloaded prost-types v0.6.0
[INFO] [stderr]   Downloaded atomic-counter v1.0.1
[INFO] [stderr]   Downloaded pin-project-internal v0.4.6
[INFO] [stderr]   Downloaded regex-syntax v0.6.13
[INFO] [stderr]   Downloaded prost v0.6.0
[INFO] [stderr]   Downloaded tokio-macros v0.2.3
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.3
[INFO] [stderr]   Downloaded prost-derive v0.6.0
[INFO] [stderr]   Downloaded tokio-util v0.2.0
[INFO] [stderr]   Downloaded prost-build v0.6.0
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4d6b9f0a48d0e9ed9be66d165e822546fa7f7f5057dd40f909ec293707c9a87
[INFO] running `Command { std: "docker" "start" "-a" "c4d6b9f0a48d0e9ed9be66d165e822546fa7f7f5057dd40f909ec293707c9a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4d6b9f0a48d0e9ed9be66d165e822546fa7f7f5057dd40f909ec293707c9a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d6b9f0a48d0e9ed9be66d165e822546fa7f7f5057dd40f909ec293707c9a87", kill_on_drop: false }`
[INFO] [stdout] c4d6b9f0a48d0e9ed9be66d165e822546fa7f7f5057dd40f909ec293707c9a87
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 950f52b8d056b3d7e4809a74f33fd51666729dc6cea6ceb26d6332f199aaf85c
[INFO] running `Command { std: "docker" "start" "-a" "950f52b8d056b3d7e4809a74f33fd51666729dc6cea6ceb26d6332f199aaf85c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling bytes v0.5.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling data-encoding v2.2.1
[INFO] [stderr]    Compiling atomic-counter v1.0.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling block-buffer v0.8.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling sha2 v0.9.0
[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 v0.3.40
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling prost-build v0.6.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling darling_core v0.9.0
[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 thiserror-impl v1.0.20
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling tokio v0.2.9
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling pin-project v0.4.6
[INFO] [stderr]    Compiling prost v0.6.0
[INFO] [stderr]    Compiling futures-util v0.3.1
[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 ratsio v0.3.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 17s
[INFO] running `Command { std: "docker" "inspect" "950f52b8d056b3d7e4809a74f33fd51666729dc6cea6ceb26d6332f199aaf85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "950f52b8d056b3d7e4809a74f33fd51666729dc6cea6ceb26d6332f199aaf85c", kill_on_drop: false }`
[INFO] [stdout] 950f52b8d056b3d7e4809a74f33fd51666729dc6cea6ceb26d6332f199aaf85c
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 94c60803e8caab19022436438caa52d4abe41920d9ccd7c73117c798acf5006a
[INFO] running `Command { std: "docker" "start" "-a" "94c60803e8caab19022436438caa52d4abe41920d9ccd7c73117c798acf5006a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ctrlc v3.1.4
[INFO] [stderr]    Compiling ratsio v0.3.0-alpha.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ratsio::nats_client::UriVec`
[INFO] [stdout]  --> examples/nats_publish.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ratsio::nats_client::UriVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ratsio::protocol`
[INFO] [stdout]  --> tests/nats_client_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ratsio::protocol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ratsio::nuid`
[INFO] [stdout]  --> tests/nats_client_test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ratsio::nuid;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ratsio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ratsio --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="native-tls"' --cfg 'feature="tls"' --cfg 'feature="tokio-tls"' -C metadata=3bb4e7b1c283d972 -C extra-filename=-3bb4e7b1c283d972 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern atomic_counter=/opt/rustwide/target/debug/deps/libatomic_counter-b732f3c7bc862c6c.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-e7b7df2eab66dc91.rlib --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-3bb9a546b52233f2.rlib --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-2ad63a36b7e49951.rlib --extern data_encoding=/opt/rustwide/target/debug/deps/libdata_encoding-14b68378a3297755.rlib --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-84fa5199fde8eb84.so --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d4d0db9350d6a1bc.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-7ad28da77da06996.rlib --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-83e9ad68293e4b4e.rlib --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-0f60e6ad5dd9e911.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-16806d2907ecf26d.rlib --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-6c9da7b2e3d0cb42.rlib --extern nom=/opt/rustwide/target/debug/deps/libnom-9ae9c1ec70df03c6.rlib --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-41d715f5da3a7e50.rlib --extern prost=/opt/rustwide/target/debug/deps/libprost-1d03c63f5d03aa1b.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-59df00a3b63410a4.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-5679bd370a905ca8.rlib --extern sha2=/opt/rustwide/target/debug/deps/libsha2-147fe3c3c5222453.rlib --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-dda1402c0eb7e135.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-1ca3a7112f5e4c54.rlib --extern tokio_tls=/opt/rustwide/target/debug/deps/libtokio_tls-37b540a20bd26f73.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-f9d88603cb42cf78.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "94c60803e8caab19022436438caa52d4abe41920d9ccd7c73117c798acf5006a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c60803e8caab19022436438caa52d4abe41920d9ccd7c73117c798acf5006a", kill_on_drop: false }`
[INFO] [stdout] 94c60803e8caab19022436438caa52d4abe41920d9ccd7c73117c798acf5006a