[INFO] cloning repository https://github.com/zam-5/SerialCLI-app
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zam-5/SerialCLI-app" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzam-5%2FSerialCLI-app", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzam-5%2FSerialCLI-app'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6d5c1ce902cdea4cc329468f96981902d414618
[INFO] building zam-5/SerialCLI-app against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzam-5%2FSerialCLI-app" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zam-5/SerialCLI-app on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zam-5/SerialCLI-app
[INFO] finished tweaking git repo https://github.com/zam-5/SerialCLI-app
[INFO] tweaked toml for git repo https://github.com/zam-5/SerialCLI-app written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zam-5/SerialCLI-app 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c2656ef3fe6043f529d3f7cb9cf980b5f0dd7140567a97e4238141aadbc2b1a
[INFO] running `Command { std: "docker" "start" "-a" "8c2656ef3fe6043f529d3f7cb9cf980b5f0dd7140567a97e4238141aadbc2b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c2656ef3fe6043f529d3f7cb9cf980b5f0dd7140567a97e4238141aadbc2b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2656ef3fe6043f529d3f7cb9cf980b5f0dd7140567a97e4238141aadbc2b1a", kill_on_drop: false }`
[INFO] [stdout] 8c2656ef3fe6043f529d3f7cb9cf980b5f0dd7140567a97e4238141aadbc2b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e47985440b2987bba05dedffb223a1e41f274945bf34407c7e5b9dc32c70f13
[INFO] running `Command { std: "docker" "start" "-a" "7e47985440b2987bba05dedffb223a1e41f274945bf34407c7e5b9dc32c70f13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling serialport v4.0.1
[INFO] [stderr]    Compiling serial_cli_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/shell.rs:66:59
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 .for_each(|str| argv.push(String::from(str.clone())))
[INFO] [stdout]    |                                                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.48s
[INFO] running `Command { std: "docker" "inspect" "7e47985440b2987bba05dedffb223a1e41f274945bf34407c7e5b9dc32c70f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e47985440b2987bba05dedffb223a1e41f274945bf34407c7e5b9dc32c70f13", kill_on_drop: false }`
[INFO] [stdout] 7e47985440b2987bba05dedffb223a1e41f274945bf34407c7e5b9dc32c70f13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7a86efa43cca4babc508bbf7f2cac11ddc02d670e3e6519f81f2d13af7c2adc
[INFO] running `Command { std: "docker" "start" "-a" "e7a86efa43cca4babc508bbf7f2cac11ddc02d670e3e6519f81f2d13af7c2adc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial_cli_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&str` instead of cloning the inner type
[INFO] [stdout]   --> src/shell.rs:66:59
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 .for_each(|str| argv.push(String::from(str.clone())))
[INFO] [stdout]    |                                                           ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcIpz0ty/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libserialport-f9aa8cf78d6412ac.rlib,liblibudev-dcbb425ba2ba2ad0.rlib,liblibudev_sys-4ac1f0b85bf8b729.rlib,libnix-86e68fac9f61a72c.rlib,liblibc-79e9503bd15ae95a.rlib,libvoid-c8c62e9ffd6f4978.rlib,libbitflags-e2b4db6c651223da.rlib,libcfg_if-7e9efee4241be1ca.rlib}" "/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-1af8ffea9e74232a.rlib,libgetopts-ffa5d4ded57a3fc3.rlib,libunicode_width-0e164d63496cbdb2.rlib,librustc_std_workspace_std-aef6a43b187ae7c5.rlib,libstd-d6f1d924b2f4233e.rlib,libpanic_unwind-00eb06e39850f679.rlib,libobject-d0382f11baa011b6.rlib,libmemchr-b7e2e2c1a7e4643d.rlib,libaddr2line-30ced7f1999cfa29.rlib,libgimli-3ee7e14c58e31ebd.rlib,librustc_demangle-a4f649bba77ffcc5.rlib,libstd_detect-c89a3ce7ad7c3dbd.rlib,libhashbrown-e1ce1d3d110c6707.rlib,librustc_std_workspace_alloc-e0604fecbf0f39dc.rlib,libminiz_oxide-0a9c6172f04822cc.rlib,libadler2-14a33f7117abcee7.rlib,libunwind-24c16adbe5e57356.rlib,libcfg_if-d2688d4a5c8e415b.rlib,liblibc-8ff7ba6d97853f27.rlib,liballoc-5c001d095eb077ec.rlib,librustc_std_workspace_core-395a38b8e0851c9b.rlib,libcore-d453bab70303062c.rlib,libcompiler_builtins-dd545221bb4f4734.rlib}" "-Wl,-Bdynamic" "-ludev" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/serial_cli_app-34ad8f10170735bc" "-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 `serial_cli_app` (bin "serial_cli_app" test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e7a86efa43cca4babc508bbf7f2cac11ddc02d670e3e6519f81f2d13af7c2adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7a86efa43cca4babc508bbf7f2cac11ddc02d670e3e6519f81f2d13af7c2adc", kill_on_drop: false }`
[INFO] [stdout] e7a86efa43cca4babc508bbf7f2cac11ddc02d670e3e6519f81f2d13af7c2adc