[INFO] updating cached repository ashfordneil/looker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ashfordneil/looker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/looker" "work/ex/beta-1.38-1/sources/1.37.0/gh/ashfordneil/looker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ashfordneil/looker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/looker" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashfordneil/looker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashfordneil/looker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0227cdebe3afbcfc1fe695f2e773e2ab0bac07fe
[INFO] sha for GitHub repo ashfordneil/looker: 0227cdebe3afbcfc1fe695f2e773e2ab0bac07fe
[INFO] validating manifest of ashfordneil/looker 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 ashfordneil/looker 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 ashfordneil/looker
[INFO] finished frobbing ashfordneil/looker
[INFO] frobbed toml for ashfordneil/looker written to work/ex/beta-1.38-1/sources/1.37.0/gh/ashfordneil/looker/Cargo.toml
[INFO] started frobbing ashfordneil/looker
[INFO] finished frobbing ashfordneil/looker
[INFO] frobbed toml for ashfordneil/looker written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashfordneil/looker/Cargo.toml
[INFO] crate ashfordneil/looker 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 ashfordneil/looker against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashfordneil/looker:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bb560646de7dfd9101933416a26630362b82441b05800cc43d1d96cae53b88ca
[INFO] running `"docker" "start" "-a" "bb560646de7dfd9101933416a26630362b82441b05800cc43d1d96cae53b88ca"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling fst v0.3.3
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling murmurhash32 v0.2.0
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling bitpacking v0.6.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling fail v0.2.1
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling atomicwrites v0.2.2
[INFO] [stderr]    Compiling globset v0.4.2
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling levenshtein_automata v0.1.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling notify v4.0.10
[INFO] [stderr]    Compiling ignore v0.4.6
[INFO] [stderr]    Compiling tantivy-fst v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling crossbeam v0.5.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling rental-impl v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling structopt v0.2.15
[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/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.serde_derive.1j68ti7t-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/libserde_derive-004ff39a1153b56c.so" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.73si2b0dc9cdzpf.rcgu.o" "/opt/crater/target/debug/deps/serde_derive-004ff39a1153b56c.4nbu95byctdtyulw.rcgu.o" "-Wl,--gc-sections" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libsyn-5c962a636814a921.rlib" "/opt/crater/target/debug/deps/libquote-0ff7c83bd3744896.rlib" "/opt/crater/target/debug/deps/libproc_macro2-0edced20b6259733.rlib" "/opt/crater/target/debug/deps/libunicode_xid-8d0f27a2dfe05cf6.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-6249ccf5c2f1117f.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-shared"
[INFO] [stderr]   = note: 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 `serde_derive`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `bitpacking`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bitpacking /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitpacking-0.6.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=dfe6a54e5fb183ed -C extra-filename=-dfe6a54e5fb183ed --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern crunchy=/opt/crater/target/debug/deps/libcrunchy-bbdb15a9a5ce65a6.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "bb560646de7dfd9101933416a26630362b82441b05800cc43d1d96cae53b88ca"`
[INFO] running `"docker" "rm" "-f" "bb560646de7dfd9101933416a26630362b82441b05800cc43d1d96cae53b88ca"`
[INFO] [stdout] bb560646de7dfd9101933416a26630362b82441b05800cc43d1d96cae53b88ca