[INFO] fetching crate serialio 0.1.2...
[INFO] testing serialio-0.1.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate serialio 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate serialio 0.1.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config
[INFO] started tweaking crates.io crate serialio 0.1.2
[INFO] finished tweaking crates.io crate serialio 0.1.2
[INFO] tweaked toml for crates.io crate serialio 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lsm303dlhc v0.2.0
[INFO] [stderr]   Downloaded l3gd20 v0.2.0
[INFO] [stderr]   Downloaded cortex-m v0.5.11
[INFO] [stderr]   Downloaded stm32f30x v0.7.1
[INFO] [stderr]   Downloaded f3 v0.6.1
[INFO] [stderr]   Downloaded stm32f30x-hal 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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a52eb07ca74c9866267f36dd8f3856f61df7c717cefed461e488be1786030b91
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a52eb07ca74c9866267f36dd8f3856f61df7c717cefed461e488be1786030b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a52eb07ca74c9866267f36dd8f3856f61df7c717cefed461e488be1786030b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a52eb07ca74c9866267f36dd8f3856f61df7c717cefed461e488be1786030b91", kill_on_drop: false }`
[INFO] [stdout] a52eb07ca74c9866267f36dd8f3856f61df7c717cefed461e488be1786030b91
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3be46fbcdf135e4e03feedd5286b93407377cb20cca27d81a66be332f8f40415
[INFO] running `Command { std: "docker" "start" "-a" "3be46fbcdf135e4e03feedd5286b93407377cb20cca27d81a66be332f8f40415", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling serialio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "3be46fbcdf135e4e03feedd5286b93407377cb20cca27d81a66be332f8f40415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3be46fbcdf135e4e03feedd5286b93407377cb20cca27d81a66be332f8f40415", kill_on_drop: false }`
[INFO] [stdout] 3be46fbcdf135e4e03feedd5286b93407377cb20cca27d81a66be332f8f40415
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d9521f40a52780593f2c9da04d15e5994af4b3ecaf29875127dc20269eeedad6
[INFO] running `Command { std: "docker" "start" "-a" "d9521f40a52780593f2c9da04d15e5994af4b3ecaf29875127dc20269eeedad6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]    Compiling stm32f30x v0.7.1
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]    Compiling f3 v0.6.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.11.2
[INFO] [stderr]    Compiling panic-semihosting v0.5.6
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling l3gd20 v0.2.0
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling lsm303dlhc v0.2.0
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]    Compiling stm32f30x-hal v0.2.0
[INFO] [stderr]    Compiling serialio v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/examples/format_output-afc54f4893eda785.format_output.f69e344e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/examples/format_output-afc54f4893eda785.3sxr3e2iibl8daqx.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-3291938499365e5f/out" "-L" "/opt/rustwide/target/debug/build/f3-97ae7859a1f8b8fc/out" "-L" "/opt/rustwide/target/debug/build/stm32f30x-4ec0c41a2ac008bd/out" "-L" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libf3-b190e5df61571114.rlib" "/opt/rustwide/target/debug/deps/liblsm303dlhc-ac1ab1e52c22e0ea.rlib" "/opt/rustwide/target/debug/deps/libl3gd20-8c7d875b56a8e93e.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-01dcf1eed9a25eba.rlib" "/opt/rustwide/target/debug/deps/libserialio-8b81b95b1bbd2de6.rlib" "/opt/rustwide/target/debug/deps/libstm32f30x_hal-0be1b777ac257ab2.rlib" "/opt/rustwide/target/debug/deps/libstm32f30x-edff7826725e8407.rlib" "/opt/rustwide/target/debug/deps/libcortex_m_rt-90bf0f239a3953af.rlib" "/opt/rustwide/target/debug/deps/libr0-dd636c41f8c83bb5.rlib" "/opt/rustwide/target/debug/deps/libcast-26cff2cdbc984299.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-ec30cfe4feb77dd2.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-ed2b4df3b5707d34.rlib" "/opt/rustwide/target/debug/deps/libcortex_m-6ccc40db9ef65156.rlib" "/opt/rustwide/target/debug/deps/libembedded_hal-8650322d914c0270.rlib" "/opt/rustwide/target/debug/deps/libvoid-e266d3f8b011f38b.rlib" "/opt/rustwide/target/debug/deps/libnb-4eb037ef2633c932.rlib" "/opt/rustwide/target/debug/deps/libnb-84a4bda279a4efe0.rlib" "/opt/rustwide/target/debug/deps/libaligned-ff75c76d993b9816.rlib" "/opt/rustwide/target/debug/deps/libas_slice-76760b534f78f44c.rlib" "/opt/rustwide/target/debug/deps/libstable_deref_trait-a5296349595333e5.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-4ac1b019ad1ff279.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-821fa08b01434805.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-ee280d7240bf78df.rlib" "/opt/rustwide/target/debug/deps/libtypenum-e86d4c31df2da692.rlib" "/opt/rustwide/target/debug/deps/libvolatile_register-ddab0ebf4cbbf69b.rlib" "/opt/rustwide/target/debug/deps/libvcell-5a0b66b10808ca51.rlib" "/opt/rustwide/target/debug/deps/libbare_metal-aa2d5f1bfe4a0e19.rlib" "/opt/rustwide/target/debug/deps/libaligned-0efbce5f3ba17f7f.rlib" "/opt/rustwide/target/debug/deps/libpanic_semihosting-e63967e6c8b2377c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1b145d9fcdc08832.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b037ee6b77e2ff0.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9635a64fca0ebd28.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a7574eb9bb7a8fc5.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f5fa1dc334dcaeeb.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6ee570a898e75ef0.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-afb62f29a0815772.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a632746535fd9988.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-25acc307bcb1d7b6.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-377721a625f6ace7.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-43c01431c8a4ee6f.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5f74725679453254.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-2b35d8999819161d.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a81f2980c3f58cf2.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-57b4679830289815.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13b419dfbcf9c1f8.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/722e1797249a965b6335aebd65d777f917e498f1/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/examples/format_output-afc54f4893eda785" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/examples/format_output-afc54f4893eda785.format_output.f69e344e-cgu.0.rcgu.o: in function `cortex_m::register::primask::read':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/register/primask.rs:29: undefined reference to `__primask_r'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/format_output-afc54f4893eda785.format_output.f69e344e-cgu.0.rcgu.o: in function `cortex_m::interrupt::enable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:48: undefined reference to `__cpsie'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/format_output-afc54f4893eda785.format_output.f69e344e-cgu.0.rcgu.o: in function `cortex_m::interrupt::disable':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/interrupt.rs:38: undefined reference to `__cpsid'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/examples/format_output-afc54f4893eda785.format_output.f69e344e-cgu.0.rcgu.o: in function `cortex_m::asm::bkpt':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cortex-m-0.7.3/src/asm.rs:15: undefined reference to `__bkpt'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serialio` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d9521f40a52780593f2c9da04d15e5994af4b3ecaf29875127dc20269eeedad6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9521f40a52780593f2c9da04d15e5994af4b3ecaf29875127dc20269eeedad6", kill_on_drop: false }`
[INFO] [stdout] d9521f40a52780593f2c9da04d15e5994af4b3ecaf29875127dc20269eeedad6