[INFO] cloning repository https://github.com/jonlamb-gh/oxcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonlamb-gh/oxcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Foxcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Foxcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc972136b189735a6f59543b665c92bb39f6501c
[INFO] checking jonlamb-gh/oxcc against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Foxcc" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonlamb-gh/oxcc on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking git repo https://github.com/jonlamb-gh/oxcc
[INFO] finished tweaking git repo https://github.com/jonlamb-gh/oxcc
[INFO] tweaked toml for git repo https://github.com/jonlamb-gh/oxcc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jonlamb-gh/oxcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nb v0.1.1
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.2
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.1
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.4
[INFO] [stderr]   Downloaded cortex-m v0.5.7
[INFO] [stderr]   Downloaded embedded-hal v0.2.1
[INFO] [stderr]   Downloaded syn v0.15.8
[INFO] [stderr]   Downloaded panic-semihosting v0.5.0
[INFO] [stderr]   Downloaded oxcc-stm32f767-hal v0.2.0
[INFO] [stderr]   Downloaded vcell v0.1.0
[INFO] [stderr]   Downloaded embedded_types v0.3.2
[INFO] [stderr]   Downloaded oxcc-nucleo-f767zi v0.1.1
[INFO] [stderr]   Downloaded bare-metal v0.2.3
[INFO] [stderr]   Downloaded oxcc-stm32f767 v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", 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] 4baf3df9d6ed87c6d7b8ef929dd74170bf93250ae11fc260272a31ee8bf06d9f
[INFO] running `Command { std: "docker" "start" "-a" "4baf3df9d6ed87c6d7b8ef929dd74170bf93250ae11fc260272a31ee8bf06d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4baf3df9d6ed87c6d7b8ef929dd74170bf93250ae11fc260272a31ee8bf06d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4baf3df9d6ed87c6d7b8ef929dd74170bf93250ae11fc260272a31ee8bf06d9f", kill_on_drop: false }`
[INFO] [stdout] 4baf3df9d6ed87c6d7b8ef929dd74170bf93250ae11fc260272a31ee8bf06d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--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] c0851a4f2eaccada04becabffeaf58d914fb7d5523f06f091011dab06b4a5749
[INFO] running `Command { std: "docker" "start" "-a" "c0851a4f2eaccada04becabffeaf58d914fb7d5523f06f091011dab06b4a5749", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling cortex-m v0.5.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking vcell v0.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.6.4
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]    Compiling oxcc-stm32f767 v0.1.0
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking bare-metal v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking embedded_types v0.3.2
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking embedded-hal v0.2.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.8
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.2
[INFO] [stderr]     Checking oxcc-stm32f767-hal v0.2.0
[INFO] [stderr]     Checking oxcc-nucleo-f767zi v0.1.1
[INFO] [stderr]     Checking oxcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/panic_abort.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/f47dd4da3ae8c32c9e65d307bfe640b143e674df/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-edfba68bd3501617.rlib
[INFO] [stdout]    = note: second definition in the local crate (`oxcc`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `oxcc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c0851a4f2eaccada04becabffeaf58d914fb7d5523f06f091011dab06b4a5749", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0851a4f2eaccada04becabffeaf58d914fb7d5523f06f091011dab06b4a5749", kill_on_drop: false }`
[INFO] [stdout] c0851a4f2eaccada04becabffeaf58d914fb7d5523f06f091011dab06b4a5749