[INFO] cloning repository https://github.com/featureenvy/rust-embedded
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/featureenvy/rust-embedded" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeatureenvy%2Frust-embedded", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeatureenvy%2Frust-embedded'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 222231c9c41a8a6fea9d48564e9e571405d4fce4
[INFO] checking featureenvy/rust-embedded against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffeatureenvy%2Frust-embedded" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/featureenvy/rust-embedded on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/featureenvy/rust-embedded
[INFO] finished tweaking git repo https://github.com/featureenvy/rust-embedded
[INFO] tweaked toml for git repo https://github.com/featureenvy/rust-embedded written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/featureenvy/rust-embedded already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c31a9dbcb8e10771f5e6d49cf435f70798a35d66ccf94d8db395e1f2f80899f
[INFO] running `Command { std: "docker" "start" "-a" "4c31a9dbcb8e10771f5e6d49cf435f70798a35d66ccf94d8db395e1f2f80899f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c31a9dbcb8e10771f5e6d49cf435f70798a35d66ccf94d8db395e1f2f80899f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c31a9dbcb8e10771f5e6d49cf435f70798a35d66ccf94d8db395e1f2f80899f", kill_on_drop: false }`
[INFO] [stdout] 4c31a9dbcb8e10771f5e6d49cf435f70798a35d66ccf94d8db395e1f2f80899f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d50744428a4626a127a992bacb0e20f484bc9d01e6fc1d4c5e863b2fcc304e
[INFO] running `Command { std: "docker" "start" "-a" "e7d50744428a4626a127a992bacb0e20f484bc9d01e6fc1d4c5e863b2fcc304e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-libcore v0.0.3
[INFO] [stderr]     Checking rlibc v0.1.4 (https://github.com/hackndev/rlibc?branch=zinc#620489f8)
[INFO] [stderr]    Compiling rust-embedded v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rust-embedded v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rust-embedded-5b56b30d12f1c793/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   PROFILE = Some("debug")
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   debug=true opt-level=0
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   running: "arm-none-eabi-gcc" "-O0" "-ffunction-sections" "-fdata-sections" "-g" "-m64" "-fPIC" "-mthumb" "-o" "/opt/rustwide/target/debug/build/rust-embedded-71aea8203e8d6923/out/src/LM4F_startup.o" "-c" "src/LM4F_startup.c"
[INFO] [stderr]   ExitStatus(ExitStatus(256))
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   command did not execute successfully, got: exit status: 1
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   arm-none-eabi-gcc: error: unrecognized command line option '-m64'
[INFO] [stderr]   thread 'main' panicked at 'explicit panic', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.21/src/lib.rs:772:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5582986a6710 - std::backtrace_rs::backtrace::libunwind::trace::h0f5cd2ee8b0d7274
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5582986a6710 - std::backtrace_rs::backtrace::trace_unsynchronized::h06905b5aeda069a1
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5582986a6710 - std::sys_common::backtrace::_print_fmt::h4fe4c7c875072f30
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5582986a6710 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hcc0746f004a9b7ef
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5582986c51bc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x5582986a3595 - std::io::Write::write_fmt::h23dab4cc9ce72ee2
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x5582986a85bb - std::sys_common::backtrace::_print::h173dc702502d65d2
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5582986a85bb - std::sys_common::backtrace::print::h61bd27c4742ba817
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5582986a85bb - std::panicking::default_hook::{{closure}}::hcaae87f0495ae613
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5582986a8091 - std::panicking::default_hook::h0538e728ee080db0
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5582986a8c84 - std::panicking::rust_panic_with_hook::h3039e236b6ca482c
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55829867adb3 - std::panicking::begin_panic::{{closure}}::ha6613c8bdfccc341
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x55829867b7d9 - std::sys_common::backtrace::__rust_end_short_backtrace::hf66bb511151986f7
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55829867ace9 - std::panicking::begin_panic::h9034fb24bba19365
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x558298676455 - gcc::fail::h6844b705867daf8c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.21/src/lib.rs:772:5
[INFO] [stderr]     15:     0x558298676384 - gcc::run::h058bdb9fc2cab004
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.21/src/lib.rs:766:9
[INFO] [stderr]     16:     0x55829866fb3b - gcc::Config::compile_object::h8427b5fc4ec910e8
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.21/src/lib.rs:364:9
[INFO] [stderr]     17:     0x55829866eab2 - gcc::Config::compile::h3f20a8cfc4855cdc
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.21/src/lib.rs:319:13
[INFO] [stderr]     18:     0x55829866dee5 - build_script_build::main::h7ef370d6d61ed48b
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4:5
[INFO] [stderr]     19:     0x55829866dbdb - core::ops::function::FnOnce::call_once::hd6de0f9f68b5953c
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55829866ddfe - std::sys_common::backtrace::__rust_begin_short_backtrace::h11e247dbad541b0f
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55829866dda1 - std::rt::lang_start::{{closure}}::h131965144877f61f
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:63:18
[INFO] [stderr]     22:     0x5582986a918a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h61bcc1dec5918b7e
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5582986a918a - std::panicking::try::do_call::h672d24f85ce22db4
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x5582986a918a - std::panicking::try::he383e7ef11604e58
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x5582986a918a - std::panic::catch_unwind::h502ac6058961e393
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x5582986a918a - std::rt::lang_start_internal::{{closure}}::h851ee37bb5d99fdf
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:45:48
[INFO] [stderr]     27:     0x5582986a918a - std::panicking::try::do_call::h84f41bb3453bbd14
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:401:40
[INFO] [stderr]     28:     0x5582986a918a - std::panicking::try::h969c45dbbf2e4c94
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:365:19
[INFO] [stderr]     29:     0x5582986a918a - std::panic::catch_unwind::he40b1a4614f73e03
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panic.rs:434:14
[INFO] [stderr]     30:     0x5582986a918a - std::rt::lang_start_internal::h0fbab25cccdb30d8
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:45:20
[INFO] [stderr]     31:     0x55829866dd70 - std::rt::lang_start::hf733964ede715afc
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:62:5
[INFO] [stderr]     32:     0x55829866df2c - main
[INFO] [stderr]     33:     0x7f76be32a0b3 - __libc_start_main
[INFO] [stderr]     34:     0x55829866da3e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e7d50744428a4626a127a992bacb0e20f484bc9d01e6fc1d4c5e863b2fcc304e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d50744428a4626a127a992bacb0e20f484bc9d01e6fc1d4c5e863b2fcc304e", kill_on_drop: false }`
[INFO] [stdout] e7d50744428a4626a127a992bacb0e20f484bc9d01e6fc1d4c5e863b2fcc304e