[INFO] fetching crate webapp-frontend 1.0.0...
[INFO] extracting crate webapp-frontend 1.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/webapp-frontend/1.0.0
[INFO] extracting crate webapp-frontend 1.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/webapp-frontend/1.0.0
[INFO] validating manifest of webapp-frontend-1.0.0 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 webapp-frontend-1.0.0 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 webapp-frontend-1.0.0
[INFO] finished frobbing webapp-frontend-1.0.0
[INFO] frobbed toml for webapp-frontend-1.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/webapp-frontend/1.0.0/Cargo.toml
[INFO] started frobbing webapp-frontend-1.0.0
[INFO] finished frobbing webapp-frontend-1.0.0
[INFO] frobbed toml for webapp-frontend-1.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/webapp-frontend/1.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yew-router v0.2.0
[INFO] [stderr]   Downloaded webapp v1.0.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing webapp-frontend-1.0.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/webapp-frontend/1.0.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f8699de37a1c03c033cb55e845bd480d49d5f5fedfd256a089e239439045df34
[INFO] running `"docker" "start" "-a" "f8699de37a1c03c033cb55e845bd480d49d5f5fedfd256a089e239439045df34"`
[INFO] [stderr]    Compiling base-x v0.2.5
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling stdweb v0.4.18
[INFO] [stderr]    Compiling sass-sys v0.4.13
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr] error: Could not compile `serde`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.98/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=c0ce82fcdba3ba6f -C extra-filename=-c0ce82fcdba3ba6f --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-33a91212eb58894d.so --cap-lints allow --cap-lints=warn --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `http`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name http /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-0.1.18/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=252c32ce2b5fd0d4 -C extra-filename=-252c32ce2b5fd0d4 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern bytes=/opt/crater/target/debug/deps/libbytes-7003aa2c6f61a99c.rlib --extern fnv=/opt/crater/target/debug/deps/libfnv-9c46c9dc8e117f05.rlib --extern itoa=/opt/crater/target/debug/deps/libitoa-97a946ec35c116e9.rlib --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "f8699de37a1c03c033cb55e845bd480d49d5f5fedfd256a089e239439045df34"`
[INFO] running `"docker" "rm" "-f" "f8699de37a1c03c033cb55e845bd480d49d5f5fedfd256a089e239439045df34"`
[INFO] [stdout] f8699de37a1c03c033cb55e845bd480d49d5f5fedfd256a089e239439045df34