[INFO] cloning repository https://github.com/FrederickWatkins/keyboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrederickWatkins/keyboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrederickWatkins%2Fkeyboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrederickWatkins%2Fkeyboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 195e397e2d79011284bbebfc0b33085470112908
[INFO] building FrederickWatkins/keyboard against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrederickWatkins%2Fkeyboard" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrederickWatkins/keyboard 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] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/FrederickWatkins/keyboard
[INFO] finished tweaking git repo https://github.com/FrederickWatkins/keyboard
[INFO] tweaked toml for git repo https://github.com/FrederickWatkins/keyboard written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/FrederickWatkins/keyboard 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d6688cef7aba696f6f8797fc8d753a41bc3d8128689e014718010976400a8462
[INFO] running `Command { std: "docker" "start" "-a" "d6688cef7aba696f6f8797fc8d753a41bc3d8128689e014718010976400a8462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6688cef7aba696f6f8797fc8d753a41bc3d8128689e014718010976400a8462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6688cef7aba696f6f8797fc8d753a41bc3d8128689e014718010976400a8462", kill_on_drop: false }`
[INFO] [stdout] d6688cef7aba696f6f8797fc8d753a41bc3d8128689e014718010976400a8462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c47a84c6f193c10ce35ce924111354071e7c09c9e3df36e4f3cda051bf626a8b
[INFO] running `Command { std: "docker" "start" "-a" "c47a84c6f193c10ce35ce924111354071e7c09c9e3df36e4f3cda051bf626a8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]    Compiling keyboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling panic-halt v1.0.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling panic-semihosting v0.6.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stdout] warning: unused import: `hprintln`
[INFO] [stdout]  --> src/main.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 | use cortex_m_semihosting::{debug, hprintln};
[INFO] [stdout]   |                                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedded_hal::digital::*`
[INFO] [stdout]  --> src/peripheral.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use embedded_hal::digital::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/peripheral.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cortex_m_semihosting::{debug, hprintln};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/peripheral.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | enum GPIOReg {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] 8  |     MODER = 0x00,
[INFO] [stdout] 9  |     OTYPER = 0x04,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     OSPEEDR = 0x08,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     PUPDR = 0x0C,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     IDR = 0x10,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     ODR = 0x14,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 14 |     BSRR = 0x18,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     LCKR = 0x1C,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 16 |     AFRL = 0x20,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     AFRH = 0x24,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     BRR = 0x28,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GPIOReg` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `port_b`, `port_c`, `port_d`, `port_e`, and `port_f` are never read
[INFO] [stdout]   --> src/peripheral.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Peripherals {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 39 |     pub port_a: Port,
[INFO] [stdout] 40 |     pub port_b: Port,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 41 |     pub port_c: Port,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 42 |     pub port_d: Port,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 43 |     pub port_e: Port,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 44 |     pub port_f: Port,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read` is never used
[INFO] [stdout]   --> src/peripheral.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl Port {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 79 |     fn read(&self, register: GPIOReg) -> u32 {
[INFO] [stdout]    |        ^^^^
[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/rustcn32Xto/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libembedded_hal-c742198270301beb.rlib,libcortex_m_semihosting-e4d765bd5daba96f.rlib,libcortex_m-f68661b64669b4b4.rlib,libembedded_hal-9be91e8367b2d5c9.rlib,libvoid-9163cd71c286a90e.rlib,libnb-4261131878fadeb2.rlib,libnb-86f78d16dd59c3ce.rlib,libvolatile_register-ec50e058c7292123.rlib,libvcell-d64dabacbc42077e.rlib,libbare_metal-c377580e2f65d702.rlib,libcortex_m_rt-7e9d29baffcf1f77.rlib,libpanic_semihosting-ef46deb6ba3866f7.rlib}" "/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/lib/{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" "-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" "/opt/rustwide/target/debug/build/keyboard-c35383f938458e0a/out" "-L" "/opt/rustwide/target/debug/build/cortex-m-rt-0c6a1959594179fa/out" "-L" "/opt/rustwide/rustup-home/toolchains/334963c956d25708feab489a3816ae63f639355d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/keyboard-9cf9827b13438438" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "--nmagic" "-Tlink.x"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: cc: error: unrecognized command-line option '--nmagic'
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `keyboard` (bin "keyboard") due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c47a84c6f193c10ce35ce924111354071e7c09c9e3df36e4f3cda051bf626a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47a84c6f193c10ce35ce924111354071e7c09c9e3df36e4f3cda051bf626a8b", kill_on_drop: false }`
[INFO] [stdout] c47a84c6f193c10ce35ce924111354071e7c09c9e3df36e4f3cda051bf626a8b
