[INFO] cloning repository https://github.com/fly-apps/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fly-apps/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffly-apps%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffly-apps%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b0d900c456bd2055dcc683782743e4cdcb26376
[INFO] testing fly-apps/hello-rust against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffly-apps%2Fhello-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fly-apps/hello-rust on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fly-apps/hello-rust
[INFO] finished tweaking git repo https://github.com/fly-apps/hello-rust
[INFO] tweaked toml for git repo https://github.com/fly-apps/hello-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fly-apps/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a35d8cd89369077c01e836f37b67126946fa3fe672ccd9724b00c9144e39d069
[INFO] running `Command { std: "docker" "start" "-a" "a35d8cd89369077c01e836f37b67126946fa3fe672ccd9724b00c9144e39d069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a35d8cd89369077c01e836f37b67126946fa3fe672ccd9724b00c9144e39d069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a35d8cd89369077c01e836f37b67126946fa3fe672ccd9724b00c9144e39d069", kill_on_drop: false }`
[INFO] [stdout] a35d8cd89369077c01e836f37b67126946fa3fe672ccd9724b00c9144e39d069
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7131f51e9b9cb964a2052556b123297ba01c9bcc106102d47c6f947d0821ed50
[INFO] running `Command { std: "docker" "start" "-a" "7131f51e9b9cb964a2052556b123297ba01c9bcc106102d47c6f947d0821ed50", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling tokio-util v0.6.5
[INFO] [stderr]    Compiling tokio-stream v0.1.5
[INFO] [stderr]    Compiling tokio-tungstenite v0.13.0
[INFO] [stderr]    Compiling h2 v0.3.2
[INFO] [stderr]    Compiling hyper v0.14.5
[INFO] [stderr]    Compiling warp v0.3.1
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcBVyszH/symbols.o" "<17 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libwarp-b13fb7d64f73f744.rlib,libtokio_stream-272742ee3dbd4a46.rlib,libscoped_tls-563b287bd664763c.rlib,libtokio_tungstenite-b3133b700a5b82e1.rlib,libtungstenite-d905f264dddd9c00.rlib,libutf8-d0cbfebd382bce9a.rlib,libbyteorder-379f547b04d51d02.rlib,libinput_buffer-5a4c3beb70303cac.rlib,liburl-79843bb2f04aa270.rlib,libidna-47bd9419ed0a6684.rlib,libunicode_normalization-fdc06fecc278fa28.rlib,libtinyvec-d960a26741797f86.rlib,libtinyvec_macros-cc8e196d6b1e57fc.rlib,libunicode_bidi-55d1d7e552822934.rlib,libmultipart-61b4244ceae159fa.rlib,libtwoway-a6fb77a38e0fd742.rlib,libbuf_redux-61572b5c221dd218.rlib,libsafemem-698baee350018e8c.rlib,libquick_error-d40abd8d97f0f2e3.rlib,libtempfile-a2b694b99a3a6110.rlib,librand-58986b1930e15e81.rlib,librand_chacha-7344a8f57a68a99e.rlib,librand_core-8ba90eb097db2859.rlib,libgetrandom-31616907de1db099.rlib,libremove_dir_all-988c28ce6bbf4cfc.rlib,librand-489add4080ba52c6.rlib,librand_chacha-3d8f593faa934ae5.rlib,libppv_lite86-88ed22677a4c0286.rlib,librand_core-5267488684d56267.rlib,libgetrandom-fb06dfaecc34d3b3.rlib,libmime_guess-fe465bd75e26ad9d.rlib,libunicase-4c2efb00e60eea87.rlib,libserde_urlencoded-b95c3928376feb8e.rlib,libform_urlencoded-689ec892f07ab226.rlib,libpercent_encoding-d8e5e041794fd24f.rlib,libmatches-ae807cfe442355e3.rlib,libserde_json-f3b9a7f98e4549d2.rlib,libryu-f3aba87160ed1f5c.rlib,libserde-60d14042b120ffd5.rlib,libheaders-cbed8d19d77c8119.rlib,libtime-ac8faf9dd529310b.rlib,libsha1-bc9e87623b6f66a4.rlib,libopaque_debug-c0b21531799dfcb1.rlib,libcpuid_bool-1000632859c102b2.rlib,libblock_buffer-bf18a7d8a41f0f4a.rlib,libdigest-297295f67ea1761a.rlib,libgeneric_array-34bec44b791f8e15.rlib,libtypenum-bb62f61dbdd31d69.rlib,libmime-2ae9ff56ceb854d4.rlib,libheaders_core-62ac53dc00c10205.rlib,libbitflags-ee4b6a8effb9c17a.rlib,libbase64-beb813779272318b.rlib,libhyper-6035a7f8608ed3e7.rlib,libwant-501b550ccf134567.rlib,libtry_lock-ca4bbeb1dc9ff31a.rlib,libhttparse-29ba518bd20997af.rlib,libsocket2-89e45c62a8d6c846.rlib,libh2-9f297771aadfa8d4.rlib,libindexmap-5443e838cbc63623.rlib,libhashbrown-fd3d74b5fbd7cbb8.rlib,libtokio_util-26c2c5bb7a0db75a.rlib,libtower_service-2dc84133e3370862.rlib,libhttp_body-436a2c160fe1f65c.rlib,libtokio-973422f6f025e55c.rlib,libsignal_hook_registry-fc8cc00784ca94ab.rlib,libnum_cpus-658bb534263fb886.rlib,libmemchr-788173701f270c65.rlib,libonce_cell-c78cca50d8d56171.rlib,libmio-81946c033b8da815.rlib,libparking_lot-f625e312a67356ab.rlib,libparking_lot_core-91345e141607acd3.rlib,liblibc-72009c49fb6fbdc7.rlib,libsmallvec-97844d2104066b54.rlib,liblock_api-32b057a456e3155a.rlib,libscopeguard-43643e546252cd47.rlib,libinstant-b4b0d3068b8068e8.rlib,libhttpdate-fd0c9cb818c73c82.rlib,libhttp-523e4cbde37c0458.rlib,libitoa-3b4277173c45fbe4.rlib,libbytes-847a4bb13ea8f656.rlib,libfnv-2d77ec4f6f971b24.rlib,libtracing-3eab04a2402c3809.rlib,libtracing_core-0db1229f2ddeb8e9.rlib,liblazy_static-2bb390fee0230a38.rlib,liblog-cb1a50f85f9d3564.rlib,libcfg_if-33ef6c02a07f9fec.rlib,libpin_project-b1bc0b05b1e348b9.rlib,libfutures-8997fd9f5ca86a8f.rlib,libfutures_channel-589fe7ef600c8947.rlib,libfutures_util-0ee0c4b92f120cba.rlib,libslab-ab64617c0d711aec.rlib,libpin_project_lite-6959183b0136174c.rlib,libfutures_sink-9ec5a2624303be34.rlib,libfutures_task-fe2d2e177382433c.rlib,libpin_utils-9a5791cba021167a.rlib,libfutures_core-28a8f5afba3c5a8e.rlib}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcBVyszH/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/hello-162f28c8481a2e17" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello` (bin "hello") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7131f51e9b9cb964a2052556b123297ba01c9bcc106102d47c6f947d0821ed50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7131f51e9b9cb964a2052556b123297ba01c9bcc106102d47c6f947d0821ed50", kill_on_drop: false }`
[INFO] [stdout] 7131f51e9b9cb964a2052556b123297ba01c9bcc106102d47c6f947d0821ed50