[INFO] fetching crate tangram_tree 0.5.0...
[INFO] testing tangram_tree-0.5.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate tangram_tree 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tangram_tree 0.5.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tangram_tree 0.5.0
[INFO] finished tweaking crates.io crate tangram_tree 0.5.0
[INFO] tweaked toml for crates.io crate tangram_tree 0.5.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate tangram_tree 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded num-bigint v0.4.0
[INFO] [stderr]   Downloaded buffalo v0.1.0
[INFO] [stderr]   Downloaded tangram_kill_chip v0.5.0
[INFO] [stderr]   Downloaded tangram_metrics v0.5.0
[INFO] [stderr]   Downloaded buffalo_macro v0.1.0
[INFO] [stderr]   Downloaded tangram_progress_counter v0.5.0
[INFO] [stderr]   Downloaded tangram_zip v0.5.0
[INFO] [stderr]   Downloaded num-rational v0.4.0
[INFO] [stderr]   Downloaded tangram_table v0.5.0
[INFO] [stderr]   Downloaded tangram_finite v0.5.0
[INFO] [stderr]   Downloaded derive_deref v1.1.1
[INFO] [stderr]   Downloaded fast-float v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a2aabd56f6d498aa248f49991a79052344b8e5c1b5dad69bad3933d53fd5805
[INFO] running `Command { std: "docker" "start" "-a" "8a2aabd56f6d498aa248f49991a79052344b8e5c1b5dad69bad3933d53fd5805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a2aabd56f6d498aa248f49991a79052344b8e5c1b5dad69bad3933d53fd5805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a2aabd56f6d498aa248f49991a79052344b8e5c1b5dad69bad3933d53fd5805", kill_on_drop: false }`
[INFO] [stdout] 8a2aabd56f6d498aa248f49991a79052344b8e5c1b5dad69bad3933d53fd5805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9feb7ca22af94971686f4c61108ecc85e103c495257bf672b0fab700548337b
[INFO] running `Command { std: "docker" "start" "-a" "c9feb7ca22af94971686f4c61108ecc85e103c495257bf672b0fab700548337b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling tangram_zip v0.5.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling tangram_progress_counter v0.5.0
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling tangram_kill_chip v0.5.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]    Compiling buffalo_macro v0.1.0
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling tangram_metrics v0.5.0
[INFO] [stderr]    Compiling buffalo v0.1.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling tangram_finite v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tangram_table v0.5.0
[INFO] [stderr]    Compiling tangram_tree v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.tangram_tree_benchmark_higgs.3d8c3dff-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe.x9w3c34v8nzs3l7.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtangram_metrics-8dd41769ef314408.rlib" "/opt/rustwide/target/debug/deps/libtangram_tree-671235c5acd95a41.rlib" "/opt/rustwide/target/debug/deps/libtangram_kill_chip-670ae63a4c8d3f05.rlib" "/opt/rustwide/target/debug/deps/libbuffalo-b8165de62a42815c.rlib" "/opt/rustwide/target/debug/deps/libtangram_finite-e3610d702203e278.rlib" "/opt/rustwide/target/debug/deps/libitertools-78c60b588458e652.rlib" "/opt/rustwide/target/debug/deps/libbitvec-4fa497db9debf0e8.rlib" "/opt/rustwide/target/debug/deps/libfunty-aba75666c1391a28.rlib" "/opt/rustwide/target/debug/deps/libwyz-99a41e8854bbb6fd.rlib" "/opt/rustwide/target/debug/deps/libtap-148302a971f7b279.rlib" "/opt/rustwide/target/debug/deps/libradium-bfe72f058e6d20d0.rlib" "/opt/rustwide/target/debug/deps/libtangram_table-6e00f870aacafab4.rlib" "/opt/rustwide/target/debug/deps/libfast_float-2d88749f27029117.rlib" "/opt/rustwide/target/debug/deps/libcsv-44454794a8b1bfca.rlib" "/opt/rustwide/target/debug/deps/libcsv_core-7c76e5ec90cdc3c5.rlib" "/opt/rustwide/target/debug/deps/libbstr-c0b06f9c24f4fa96.rlib" "/opt/rustwide/target/debug/deps/libregex_automata-8f871f6bc66f3996.rlib" "/opt/rustwide/target/debug/deps/libmemchr-48b27afac33efb30.rlib" "/opt/rustwide/target/debug/deps/libtangram_progress_counter-bcc5468fddd86f4b.rlib" "/opt/rustwide/target/debug/deps/libanyhow-a0f6532683fd96ad.rlib" "/opt/rustwide/target/debug/deps/libtangram_zip-39654793bd61239a.rlib" "/opt/rustwide/target/debug/deps/libnum-53e815e433e271fe.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-037d16a36d847d4b.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-5d6c6029e933c1f1.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-933a9c0c95d0bf78.rlib" "/opt/rustwide/target/debug/deps/libfnv-74d41fd10066a65d.rlib" "/opt/rustwide/target/debug/deps/libserde_json-5281e4026c65b04e.rlib" "/opt/rustwide/target/debug/deps/libryu-e6fb900e507a464e.rlib" "/opt/rustwide/target/debug/deps/libitoa-15077810ecc9e84e.rlib" "/opt/rustwide/target/debug/deps/libserde-e9142bf97e15597b.rlib" "/opt/rustwide/target/debug/deps/libndarray-bf7dc2f99a89fdbe.rlib" "/opt/rustwide/target/debug/deps/libmatrixmultiply-5e9daf85a8110c41.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-ab092896f8d73a8a.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-bff83ac336da3a3f.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-f680384b429e8e38.rlib" "/opt/rustwide/target/debug/deps/librawpointer-39cffec714dbe003.rlib" "/opt/rustwide/target/debug/deps/librayon-1641163ced56a687.rlib" "/opt/rustwide/target/debug/deps/librayon_core-650362048db39da9.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-50f391c427ddcf98.rlib" "/opt/rustwide/target/debug/deps/liblibc-ed8088a3e949cfa7.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-134a4eb89128f85c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-bfcb1c93cc39220c.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-69b0d154ae3fe323.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-4b059ff10415273f.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-82f2d86d94397047.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-22e234bcff78aefc.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f67718dd40129317.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-477585129feec44c.rlib" "/opt/rustwide/target/debug/deps/libeither-d092b3e3a60a447e.rlib" "/opt/rustwide/target/debug/deps/libmaplit-9d248c194ba5cb64.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d883bf2137e9181a.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-22ab8f3db88b586e.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-0167c9242d0931d5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-361790a1a5505fc5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-01c2ffe1ecd05a67.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ec79e29a889fe805.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-001a3456e8a8331b.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e8f1404290f0f040.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-76f46d0f23360a60.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-baf0bdc5eb131895.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3a6a4ee6592d9370.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1cc90d9dd57195f8.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0e91863ffbec5148.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-69528f2eac185ac9.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d1241f7bd234a268.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/tangram_tree_benchmark_higgs-28e19a884022acfe" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 9 [Killed]
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tangram_tree`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c9feb7ca22af94971686f4c61108ecc85e103c495257bf672b0fab700548337b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9feb7ca22af94971686f4c61108ecc85e103c495257bf672b0fab700548337b", kill_on_drop: false }`
[INFO] [stdout] c9feb7ca22af94971686f4c61108ecc85e103c495257bf672b0fab700548337b