[INFO] updating cached repository ivanovaleksey/janus-echotest-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ivanovaleksey/janus-echotest-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ivanovaleksey/janus-echotest-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/ivanovaleksey/janus-echotest-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ivanovaleksey/janus-echotest-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ivanovaleksey/janus-echotest-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ivanovaleksey/janus-echotest-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ivanovaleksey/janus-echotest-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fb80bf750db03e0156b3e81ff9d059db11a72e51
[INFO] sha for GitHub repo ivanovaleksey/janus-echotest-rs: fb80bf750db03e0156b3e81ff9d059db11a72e51
[INFO] validating manifest of ivanovaleksey/janus-echotest-rs 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 ivanovaleksey/janus-echotest-rs 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 ivanovaleksey/janus-echotest-rs
[INFO] finished frobbing ivanovaleksey/janus-echotest-rs
[INFO] frobbed toml for ivanovaleksey/janus-echotest-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/ivanovaleksey/janus-echotest-rs/Cargo.toml
[INFO] started frobbing ivanovaleksey/janus-echotest-rs
[INFO] finished frobbing ivanovaleksey/janus-echotest-rs
[INFO] frobbed toml for ivanovaleksey/janus-echotest-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ivanovaleksey/janus-echotest-rs/Cargo.toml
[INFO] crate ivanovaleksey/janus-echotest-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ivanovaleksey/janus-echotest-rs 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ivanovaleksey/janus-echotest-rs:/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] 7107807ef80fa614754358a633fd80a1a750d6d9b65c4e8e4923d11f35fe0506
[INFO] running `"docker" "start" "-a" "7107807ef80fa614754358a633fd80a1a750d6d9b65c4e8e4923d11f35fe0506"`
[INFO] [stderr]    Compiling jansson-sys v0.1.0
[INFO] [stderr]    Compiling serde v1.0.25
[INFO] [stderr]    Compiling glib-sys v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling serde_derive_internals v0.18.1
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.25
[INFO] [stderr]    Compiling janus-plugin-sys v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.8
[INFO] [stderr]    Compiling janus-plugin v0.7.1
[INFO] [stderr]    Compiling janus-echotest v0.1.0 (/opt/crater/workdir)
[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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/janus_echotest.janus_echotest.4hcbqn28-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/libjanus_echotest.so" "-Wl,--version-script=/tmp/rustcFXUCdy/list" "/opt/crater/target/debug/deps/janus_echotest.krwd3ldqk1qrxdx.rcgu.o" "-Wl,--gc-sections" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libserde_json-bbb03e3b403a6842.rlib" "/opt/crater/target/debug/deps/libdtoa-dbece04ab2440d63.rlib" "/opt/crater/target/debug/deps/libitoa-4ba6695a0e6b4a3c.rlib" "/opt/crater/target/debug/deps/liblazy_static-544ad40da8f8b589.rlib" "/opt/crater/target/debug/deps/libjanus_plugin-561d696149ea1634.rlib" "/opt/crater/target/debug/deps/libcolored-524e2f843dd9bacf.rlib" "/opt/crater/target/debug/deps/liblazy_static-0c9d1899e9eae559.rlib" "/opt/crater/target/debug/deps/libchrono-e2f138778d396b24.rlib" "/opt/crater/target/debug/deps/libnum-0ef48c57437b7d92.rlib" "/opt/crater/target/debug/deps/libnum_iter-fae6375a643dbfd9.rlib" "/opt/crater/target/debug/deps/libnum_integer-2667031c5b1ae323.rlib" "/opt/crater/target/debug/deps/libnum_traits-b1a031529aab51a7.rlib" "/opt/crater/target/debug/deps/libtime-2c8e126d5f3beba4.rlib" "/opt/crater/target/debug/deps/libserde-df55bf100e52910a.rlib" "/opt/crater/target/debug/deps/libjanus_plugin_sys-0bfbadfcdf5ac8d9.rlib" "/opt/crater/target/debug/deps/libglib_sys-93c361379b052685.rlib" "/opt/crater/target/debug/deps/libbitflags-f034fe9ef0b445a7.rlib" "/opt/crater/target/debug/deps/liblibc-ed66edf54cba770d.rlib" "/opt/crater/target/debug/deps/libjansson_sys-029fbb9d351b9c50.rlib" "/opt/crater/target/debug/deps/libbitflags-1a4cdc6e572ed8b2.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-lglib-2.0" "-lutil" "-lutil" "-ljansson" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-shared"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -ljansson
[INFO] [stderr]           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 `janus-echotest`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7107807ef80fa614754358a633fd80a1a750d6d9b65c4e8e4923d11f35fe0506"`
[INFO] running `"docker" "rm" "-f" "7107807ef80fa614754358a633fd80a1a750d6d9b65c4e8e4923d11f35fe0506"`
[INFO] [stdout] 7107807ef80fa614754358a633fd80a1a750d6d9b65c4e8e4923d11f35fe0506