[INFO] crate rumqtt 0.30.1 is already in cache
[INFO] extracting crate rumqtt 0.30.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/rumqtt/0.30.1
[INFO] extracting crate rumqtt 0.30.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rumqtt/0.30.1
[INFO] validating manifest of rumqtt-0.30.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rumqtt-0.30.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rumqtt-0.30.1
[INFO] finished frobbing rumqtt-0.30.1
[INFO] frobbed toml for rumqtt-0.30.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rumqtt/0.30.1/Cargo.toml
[INFO] started frobbing rumqtt-0.30.1
[INFO] finished frobbing rumqtt-0.30.1
[INFO] frobbed toml for rumqtt-0.30.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rumqtt/0.30.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rumqtt-0.30.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rumqtt/0.30.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b33184d166b6fdd797d2e97deb4c3056e1999c67bda26fc3843a950977d3d89d
[INFO] running `"docker" "start" "-a" "b33184d166b6fdd797d2e97deb4c3056e1999c67bda26fc3843a950977d3d89d"`
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling mqtt311 v0.2.0
[INFO] [stderr]    Compiling sct v0.4.0
[INFO] [stderr]    Compiling webpki v0.18.1
[INFO] [stderr]    Compiling jsonwebtoken v5.0.1
[INFO] [stderr]    Compiling rustls v0.14.0
[INFO] [stderr]    Compiling tokio-rustls v0.8.1
[INFO] [stderr]    Compiling rumqtt v0.30.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `chrono` is imported redundantly
[INFO] [stderr]    --> src/client/mqttstate.rs:368:18
[INFO] [stderr]     |
[INFO] [stderr] 368 |     use chrono::{self, Utc};
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'tokio_io::async_read::AsyncRead::framed': Use tokio_codec::Decoder::framed instead
[INFO] [stderr]    --> src/client/network.rs:148:38
[INFO] [stderr]     |
[INFO] [stderr] 148 |                     let framed = tcp.framed(codec);
[INFO] [stderr]     |                                      ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.12s
[INFO] running `"docker" "inspect" "b33184d166b6fdd797d2e97deb4c3056e1999c67bda26fc3843a950977d3d89d"`
[INFO] running `"docker" "rm" "-f" "b33184d166b6fdd797d2e97deb4c3056e1999c67bda26fc3843a950977d3d89d"`
[INFO] [stdout] b33184d166b6fdd797d2e97deb4c3056e1999c67bda26fc3843a950977d3d89d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rumqtt/0.30.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7f978653c450fa739caf9f54238bd80f70398fe016cef87e734e4ea657202e9d
[INFO] running `"docker" "start" "-a" "7f978653c450fa739caf9f54238bd80f70398fe016cef87e734e4ea657202e9d"`
[INFO] [stderr]    Compiling envy v0.3.3
[INFO] [stderr]    Compiling rumqtt v0.30.1 (/opt/crater/workdir)
[INFO] [stderr] error: couldn't read examples/../../certs/rsa_private.der: No such file or directory (os error 2)
[INFO] [stderr]   --> examples/gcloud.rs:27:71
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let security_options = SecurityOptions::GcloudIot(config.project, include_bytes!("../../certs/rsa_private.der").to_vec(), 60);
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read examples/../../certs/roots.pem: No such file or directory (os error 2)
[INFO] [stderr]   --> examples/gcloud.rs:29:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let ca = include_bytes!("../../certs/roots.pem").to_vec();
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `chrono` is imported redundantly
[INFO] [stderr]    --> src/client/mqttstate.rs:368:18
[INFO] [stderr]     |
[INFO] [stderr] 368 |     use chrono::{self, Utc};
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rumqtt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `disconnect` found for type `rumqtt::client::MqttClient` in the current scope
[INFO] [stderr]   --> examples/disconnection.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 |         mqtt_client.disconnect().unwrap();
[INFO] [stderr]    |                     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `rumqtt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of deprecated item 'tokio_io::async_read::AsyncRead::framed': Use tokio_codec::Decoder::framed instead
[INFO] [stderr]    --> src/client/network.rs:148:38
[INFO] [stderr]     |
[INFO] [stderr] 148 |                     let framed = tcp.framed(codec);
[INFO] [stderr]     |                                      ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.0.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.1.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.10.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.11.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.12.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.13.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.14.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.15.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.2.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.3.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.4.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.5.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.6.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.7.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.8.rcgu.o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.playpause.6fzjk98v-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c" "/opt/crater/target/debug/examples/playpause-e8f623fa490c305c.4g731wox0215k2qd.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/backtrace-sys-5c81d3694d492bc0/out" "-L" "/opt/crater/target/debug/build/ring-1b60313adb5ead65/out" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libpretty_env_logger-ac1045a635a03956.rlib" "/opt/crater/target/debug/deps/libenv_logger-bca1979cfbcacec6.rlib" "/opt/crater/target/debug/deps/libregex-3f288169bf5fc935.rlib" "/opt/crater/target/debug/deps/libregex_syntax-74b9e606898eafee.rlib" "/opt/crater/target/debug/deps/libthread_local-1801494cfc15e4c0.rlib" "/opt/crater/target/debug/deps/libaho_corasick-05f4d1fa22c64ffe.rlib" "/opt/crater/target/debug/deps/libmemchr-5970d48417368191.rlib" "/opt/crater/target/debug/deps/libatty-eb5da56e70a939cc.rlib" "/opt/crater/target/debug/deps/libhumantime-f3229d51b2810709.rlib" "/opt/crater/target/debug/deps/libquick_error-a2165722eb49e44c.rlib" "/opt/crater/target/debug/deps/libtermcolor-63bd51856c425668.rlib" "/opt/crater/target/debug/deps/libansi_term-ab3d266e25626249.rlib" "/opt/crater/target/debug/deps/librumqtt-6895fd5fe59d641a.rlib" "/opt/crater/target/debug/deps/libbase64-b248d06447d2c6c2.rlib" "/opt/crater/target/debug/deps/libuuid-1bdb6d69b0342b5e.rlib" "/opt/crater/target/debug/deps/libtokio_rustls-27f9667de2bdc762.rlib" "/opt/crater/target/debug/deps/librustls-c01c1cbc96bf7178.rlib" "/opt/crater/target/debug/deps/libsct-d854e8e3809efb0b.rlib" "/opt/crater/target/debug/deps/libwebpki-147e044ee7c4d057.rlib" "/opt/crater/target/debug/deps/libjsonwebtoken-ea1611af15348797.rlib" "/opt/crater/target/debug/deps/libring-8a7ea2f3f8351703.rlib" "/opt/crater/target/debug/deps/libuntrusted-77a27d5c4055ec86.rlib" "/opt/crater/target/debug/deps/libbase64-cf420233ba873e07.rlib" "/opt/crater/target/debug/deps/libsafemem-5cbc828c43f41378.rlib" "/opt/crater/target/debug/deps/libserde_json-f6b540ffea90773e.rlib" "/opt/crater/target/debug/deps/libryu-be578719e5bf2327.rlib" "/opt/crater/target/debug/deps/libitoa-d35f0a89557c3310.rlib" "/opt/crater/target/debug/deps/libserde-3a1343e806eb8450.rlib" "/opt/crater/target/debug/deps/libchrono-2af01fbc0a73eccc.rlib" "/opt/crater/target/debug/deps/libnum_integer-283a7abc0f1061b4.rlib" "/opt/crater/target/debug/deps/libnum_traits-834021e24a52ff2b.rlib" "/opt/crater/target/debug/deps/libtime-29b9853d922d9d06.rlib" "/opt/crater/target/debug/deps/libtokio-204b0ebffa253a18.rlib" "/opt/crater/target/debug/deps/libtokio_uds-bc00dc72a453b37f.rlib" "/opt/crater/target/debug/deps/libmio_uds-f6319a558176422a.rlib" "/opt/crater/target/debug/deps/libtokio_udp-9fdc8a48dfc85b82.rlib" "/opt/crater/target/debug/deps/libtokio_timer-c93f6415d850a3a5.rlib" "/opt/crater/target/debug/deps/libtokio_tcp-abea3e3b1e9489e6.rlib" "/opt/crater/target/debug/deps/libtokio_reactor-b71211fa47e02d37.rlib" "/opt/crater/target/debug/deps/libtokio_sync-be5eabd68f6f693c.rlib" "/opt/crater/target/debug/deps/libfnv-0b54693efaf27e2a.rlib" "/opt/crater/target/debug/deps/libparking_lot-e180e0ce0226a4b0.rlib" "/opt/crater/target/debug/deps/libparking_lot_core-72821d80cb7b7770.rlib" "/opt/crater/target/debug/deps/libsmallvec-8ab4c1b4228c68ef.rlib" "/opt/crater/target/debug/deps/liblock_api-494f6f1561bbf82e.rlib" "/opt/crater/target/debug/deps/libowning_ref-effe362413e7ab7d.rlib" "/opt/crater/target/debug/deps/libstable_deref_trait-d0a4946e4c2703bb.rlib" "/opt/crater/target/debug/deps/libscopeguard-316f896e0d3e978a.rlib" "/opt/crater/target/debug/deps/libtokio_fs-6b633a65a05f6bae.rlib" "/opt/crater/target/debug/deps/libtokio_threadpool-50bc12fb89d9372f.rlib" "/opt/crater/target/debug/deps/librand-4d2dd95f3d7aec75.rlib" "/opt/crater/target/debug/deps/librand_xorshift-4203f3157eb9a8e3.rlib" "/opt/crater/target/debug/deps/librand_pcg-8d4de0bb8369ce1b.rlib" "/opt/crater/target/debug/deps/librand_hc-bbd146a4b8bf6f4b.rlib" "/opt/crater/target/debug/deps/librand_chacha-e30594121fba25f8.rlib" "/opt/crater/target/debug/deps/librand_isaac-116c1a9914320278.rlib" "/opt/crater/target/debug/deps/librand_core-5fd440ec9008cce1.rlib" "/opt/crater/target/debug/deps/librand_os-df63c8a890c1e2e9.rlib" "/opt/crater/target/debug/deps/librand_jitter-06f1043e9c10514f.rlib" "/opt/crater/target/debug/deps/librand_core-fe4fc41bf9015dbc.rlib" "/opt/crater/target/debug/deps/libcrossbeam_queue-f6668dbd335cb278.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-927d16f2b3f201b1.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-9b111a0846dc7592.rlib" "/opt/crater/target/debug/deps/libscopeguard-9b5b548023a82ae4.rlib" "/opt/crater/target/debug/deps/libmemoffset-e64a831d4be8abfc.rlib" "/opt/crater/target/debug/deps/libarrayvec-ec8906360acdff5b.rlib" "/opt/crater/target/debug/deps/libnodrop-844425db77ee9480.rlib" "/opt/crater/target/debug/deps/libtokio_current_thread-9f8eef7684cef0ea.rlib" "/opt/crater/target/debug/deps/libtokio_executor-45f8f98c41472383.rlib" "/opt/crater/target/debug/deps/libtokio_codec-e1291b902f796713.rlib" "/opt/crater/target/debug/deps/libtokio_io-12d50d265e1b1342.rlib" "/opt/crater/target/debug/deps/libnum_cpus-509d1090a02489e2.rlib" "/opt/crater/target/debug/deps/libmio-0e2bc1a0dc1217dc.rlib" "/opt/crater/target/debug/deps/libslab-38e1dff674bc2c67.rlib" "/opt/crater/target/debug/deps/libnet2-629edbfe8fd82654.rlib" "/opt/crater/target/debug/deps/libbytes-5606c44df78b5c7a.rlib" "/opt/crater/target/debug/deps/libiovec-0aff63894148ec6b.rlib" "/opt/crater/target/debug/deps/libmqtt311-6b02a605e4bd0931.rlib" "/opt/crater/target/debug/deps/libfailure-d111ede8b4b28ffa.rlib" "/opt/crater/target/debug/deps/libbacktrace-b55b2db5d65cb8a4.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-01c69401428504e5.rlib" "/opt/crater/target/debug/deps/liblibc-d019039477cac03b.rlib" "/opt/crater/target/debug/deps/librustc_demangle-dd44235a42da0b4e.rlib" "/opt/crater/target/debug/deps/libbyteorder-585fd2581aa01382.rlib" "/opt/crater/target/debug/deps/libfutures-2204f6374ace2c39.rlib" "/opt/crater/target/debug/deps/libcrossbeam_channel-783a9e2d2bdabc94.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-c7636b44f63f0536.rlib" "/opt/crater/target/debug/deps/liblazy_static-eb33edc716f69401.rlib" "/opt/crater/target/debug/deps/liblog-55cfa8f7ed258bff.rlib" "/opt/crater/target/debug/deps/libcfg_if-3028bdd7b8e15bb5.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: final link failed: Cannot allocate memory
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rumqtt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7f978653c450fa739caf9f54238bd80f70398fe016cef87e734e4ea657202e9d"`
[INFO] running `"docker" "rm" "-f" "7f978653c450fa739caf9f54238bd80f70398fe016cef87e734e4ea657202e9d"`
[INFO] [stdout] 7f978653c450fa739caf9f54238bd80f70398fe016cef87e734e4ea657202e9d