[INFO] updating cached repository insanitybit/sqs-service-helper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/insanitybit/sqs-service-helper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/insanitybit/sqs-service-helper" "work/ex/beta-1.38-1/sources/1.37.0/gh/insanitybit/sqs-service-helper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/insanitybit/sqs-service-helper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/insanitybit/sqs-service-helper" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/insanitybit/sqs-service-helper"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/insanitybit/sqs-service-helper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bc360afc61eb38cdc495eddaf073cc108b64d84
[INFO] sha for GitHub repo insanitybit/sqs-service-helper: 3bc360afc61eb38cdc495eddaf073cc108b64d84
[INFO] validating manifest of insanitybit/sqs-service-helper 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 insanitybit/sqs-service-helper 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 insanitybit/sqs-service-helper
[INFO] finished frobbing insanitybit/sqs-service-helper
[INFO] frobbed toml for insanitybit/sqs-service-helper written to work/ex/beta-1.38-1/sources/1.37.0/gh/insanitybit/sqs-service-helper/Cargo.toml
[INFO] started frobbing insanitybit/sqs-service-helper
[INFO] finished frobbing insanitybit/sqs-service-helper
[INFO] frobbed toml for insanitybit/sqs-service-helper written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/insanitybit/sqs-service-helper/Cargo.toml
[INFO] crate insanitybit/sqs-service-helper already has a lockfile, it will not be regenerated
[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 insanitybit/sqs-service-helper 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/insanitybit/sqs-service-helper:/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] 5362c4a1b7923a4c96d2618218ff69926dd628b286cb20be08208fc2e39e3e5d
[INFO] running `"docker" "start" "-a" "5362c4a1b7923a4c96d2618218ff69926dd628b286cb20be08208fc2e39e3e5d"`
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling libc v0.2.27
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling openssl v0.9.15
[INFO] [stderr]    Compiling scopeguard v0.3.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling foreign-types v0.2.0
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling untrusted v0.5.0
[INFO] [stderr]    Compiling serde v1.0.10
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling smallvec v0.4.1
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling nodrop-union v0.1.9
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling slog v2.0.6
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nodrop-union-0.1.9/src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | #![feature(untagged_unions)]
[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 E0554`.
[INFO] [stderr] error: Could not compile `nodrop-union`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5362c4a1b7923a4c96d2618218ff69926dd628b286cb20be08208fc2e39e3e5d"`
[INFO] running `"docker" "rm" "-f" "5362c4a1b7923a4c96d2618218ff69926dd628b286cb20be08208fc2e39e3e5d"`
[INFO] [stdout] 5362c4a1b7923a4c96d2618218ff69926dd628b286cb20be08208fc2e39e3e5d