[INFO] cloning repository waxosuit/echo-example
[INFO] running `"git" "clone" "--bare" "git://github.com/waxosuit/echo-example.git" "work/cache/sources/gh/waxosuit/echo-example"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/waxosuit/echo-example'...
[INFO] running `"git" "clone" "work/cache/sources/gh/waxosuit/echo-example" "work/ex/beta-1.37-6/sources/1.36.0/gh/waxosuit/echo-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/waxosuit/echo-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/waxosuit/echo-example" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/waxosuit/echo-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/waxosuit/echo-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50684ea6464ec9921773ee58eefb190e986f23b9
[INFO] sha for GitHub repo waxosuit/echo-example: 50684ea6464ec9921773ee58eefb190e986f23b9
[INFO] validating manifest of waxosuit/echo-example on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of waxosuit/echo-example on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing waxosuit/echo-example
[INFO] finished frobbing waxosuit/echo-example
[INFO] frobbed toml for waxosuit/echo-example written to work/ex/beta-1.37-6/sources/1.36.0/gh/waxosuit/echo-example/Cargo.toml
[INFO] started frobbing waxosuit/echo-example
[INFO] finished frobbing waxosuit/echo-example
[INFO] frobbed toml for waxosuit/echo-example written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/waxosuit/echo-example/Cargo.toml
[INFO] crate waxosuit/echo-example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wascap-guest v0.0.3
[INFO] [stderr]   Downloaded wascap-codec v0.0.2
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing waxosuit/echo-example against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/waxosuit/echo-example:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 94e0e6851c404f38a8cd16433f3a3a2ccd1c69af0fd6ca91e8c92c8676266d39
[INFO] running `"docker" "start" "-a" "94e0e6851c404f38a8cd16433f3a3a2ccd1c69af0fd6ca91e8c92c8676266d39"`
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr] error[E0463]: can't find crate for `std`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `wasm32-unknown-unknown` target may not be installed
[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 `iovec`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `std`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `wasm32-unknown-unknown` target may not be installed
[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 `itoa`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "94e0e6851c404f38a8cd16433f3a3a2ccd1c69af0fd6ca91e8c92c8676266d39"`
[INFO] running `"docker" "rm" "-f" "94e0e6851c404f38a8cd16433f3a3a2ccd1c69af0fd6ca91e8c92c8676266d39"`
[INFO] [stdout] 94e0e6851c404f38a8cd16433f3a3a2ccd1c69af0fd6ca91e8c92c8676266d39