[INFO] cloning repository https://github.com/HerrMuellerluedenscheid/tm4c-oled-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HerrMuellerluedenscheid/tm4c-oled-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHerrMuellerluedenscheid%2Ftm4c-oled-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHerrMuellerluedenscheid%2Ftm4c-oled-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 537b226ef265e3803267bf301184de992e2746b5
[INFO] checking HerrMuellerluedenscheid/tm4c-oled-example/537b226ef265e3803267bf301184de992e2746b5 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHerrMuellerluedenscheid%2Ftm4c-oled-example" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HerrMuellerluedenscheid/tm4c-oled-example on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/HerrMuellerluedenscheid/tm4c-oled-example
[INFO] finished tweaking git repo https://github.com/HerrMuellerluedenscheid/tm4c-oled-example
[INFO] tweaked toml for git repo https://github.com/HerrMuellerluedenscheid/tm4c-oled-example written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/HerrMuellerluedenscheid/tm4c-oled-example 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tm4c123x-hal v0.8.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.15
[INFO] [stderr]   Downloaded cortex-m v0.5.11
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.6.15
[INFO] [stderr]   Downloaded cortex-m-rt v0.5.7
[INFO] [stderr]   Downloaded panic-halt v0.2.0
[INFO] [stderr]   Downloaded aligned v0.2.0
[INFO] [stderr]   Downloaded as-slice v0.1.5
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.3.7
[INFO] [stderr]   Downloaded tm4c-hal v0.4.1
[INFO] [stderr]   Downloaded az v1.2.0
[INFO] [stderr]   Downloaded tm4c-hal v0.2.3
[INFO] [stderr]   Downloaded generic-array v0.13.3
[INFO] [stderr]   Downloaded cortex-m v0.6.7
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded embedded-graphics-core v0.3.3
[INFO] [stderr]   Downloaded cortex-m v0.7.4
[INFO] [stderr]   Downloaded aligned v0.3.5
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded micromath v1.1.1
[INFO] [stderr]   Downloaded tm4c123x v0.7.0
[INFO] [stderr]   Downloaded ssd1309 v0.3.0
[INFO] [stderr]   Downloaded embedded-graphics v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78648542844f7978bb2999b8e973a325dfddd9b5999026d9fb181d557ef789ab
[INFO] running `Command { std: "docker" "start" "-a" "78648542844f7978bb2999b8e973a325dfddd9b5999026d9fb181d557ef789ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78648542844f7978bb2999b8e973a325dfddd9b5999026d9fb181d557ef789ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78648542844f7978bb2999b8e973a325dfddd9b5999026d9fb181d557ef789ab", kill_on_drop: false }`
[INFO] [stdout] 78648542844f7978bb2999b8e973a325dfddd9b5999026d9fb181d557ef789ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4db443b48918ebc22f93aee9131d1b12526e162f59c7b044e0f9678a272fa10
[INFO] running `Command { std: "docker" "start" "-a" "d4db443b48918ebc22f93aee9131d1b12526e162f59c7b044e0f9678a272fa10", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.4
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking aligned v0.2.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tm4c123x v0.7.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling tm4c123x-hal v0.8.0
[INFO] [stderr]    Compiling ssd1309 v0.3.0
[INFO] [stderr]    Compiling cortex-m-semihosting v0.3.7
[INFO] [stderr]     Checking display-interface v0.4.1
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]     Checking display-interface-spi v0.4.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking aligned v0.3.5
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking tm4c-hal v0.4.1
[INFO] [stderr]     Checking tm4c-hal v0.2.3
[INFO] [stderr]     Checking embedded-graphics-core v0.3.3
[INFO] [stderr]     Checking embedded-graphics v0.7.1
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]     Checking cortex-m-rt v0.5.7
[INFO] [stderr]     Checking tiva-c-launchpad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tiva-c-launchpad` (bin "tiva-c-launchpad") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d4db443b48918ebc22f93aee9131d1b12526e162f59c7b044e0f9678a272fa10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4db443b48918ebc22f93aee9131d1b12526e162f59c7b044e0f9678a272fa10", kill_on_drop: false }`
[INFO] [stdout] d4db443b48918ebc22f93aee9131d1b12526e162f59c7b044e0f9678a272fa10