[INFO] crate rapt 0.1.4 is already in cache
[INFO] extracting crate rapt 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/rapt/0.1.4
[INFO] extracting crate rapt 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rapt/0.1.4
[INFO] validating manifest of rapt-0.1.4 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 rapt-0.1.4 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 rapt-0.1.4
[INFO] finished frobbing rapt-0.1.4
[INFO] frobbed toml for rapt-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rapt/0.1.4/Cargo.toml
[INFO] started frobbing rapt-0.1.4
[INFO] finished frobbing rapt-0.1.4
[INFO] frobbed toml for rapt-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rapt/0.1.4/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 rapt-0.1.4 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/rapt/0.1.4:/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] 50abff089b9ca6fed59691db115fdfc9146dbc3689fa82cbf653f9cd8f34be53
[INFO] running `"docker" "start" "-a" "50abff089b9ca6fed59691db115fdfc9146dbc3689fa82cbf653f9cd8f34be53"`
[INFO] [stderr]    Compiling rapt v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "50abff089b9ca6fed59691db115fdfc9146dbc3689fa82cbf653f9cd8f34be53"`
[INFO] running `"docker" "rm" "-f" "50abff089b9ca6fed59691db115fdfc9146dbc3689fa82cbf653f9cd8f34be53"`
[INFO] [stdout] 50abff089b9ca6fed59691db115fdfc9146dbc3689fa82cbf653f9cd8f34be53
[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/rapt/0.1.4:/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] 6c0c755f3fd437fa44f711a439828392824bfebec4a30013e138bdef474a3602
[INFO] running `"docker" "start" "-a" "6c0c755f3fd437fa44f711a439828392824bfebec4a30013e138bdef474a3602"`
[INFO] [stderr]    Compiling assert_matches v1.3.0
[INFO] [stderr]    Compiling rapt_derive v0.1.4
[INFO] [stderr]    Compiling rapt v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `netopt`
[INFO] [stderr]   --> examples/mqtt.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | extern crate netopt;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `rapt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6c0c755f3fd437fa44f711a439828392824bfebec4a30013e138bdef474a3602"`
[INFO] running `"docker" "rm" "-f" "6c0c755f3fd437fa44f711a439828392824bfebec4a30013e138bdef474a3602"`
[INFO] [stdout] 6c0c755f3fd437fa44f711a439828392824bfebec4a30013e138bdef474a3602