[INFO] cloning repository https://github.com/khollbach/cortex-m-rt-hello-world-microbit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khollbach/cortex-m-rt-hello-world-microbit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Fcortex-m-rt-hello-world-microbit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Fcortex-m-rt-hello-world-microbit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc816715c820c6ce12e01b70d208871adb677548
[INFO] testing khollbach/cortex-m-rt-hello-world-microbit against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhollbach%2Fcortex-m-rt-hello-world-microbit" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/khollbach/cortex-m-rt-hello-world-microbit
[INFO] finished tweaking git repo https://github.com/khollbach/cortex-m-rt-hello-world-microbit
[INFO] tweaked toml for git repo https://github.com/khollbach/cortex-m-rt-hello-world-microbit written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/khollbach/cortex-m-rt-hello-world-microbit on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/khollbach/cortex-m-rt-hello-world-microbit 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bd65567d7db04287506e6d424efbc566a3a7400ee7246a29a8e2ea11c087a5c
[INFO] running `Command { std: "docker" "start" "-a" "3bd65567d7db04287506e6d424efbc566a3a7400ee7246a29a8e2ea11c087a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bd65567d7db04287506e6d424efbc566a3a7400ee7246a29a8e2ea11c087a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd65567d7db04287506e6d424efbc566a3a7400ee7246a29a8e2ea11c087a5c", kill_on_drop: false }`
[INFO] [stdout] 3bd65567d7db04287506e6d424efbc566a3a7400ee7246a29a8e2ea11c087a5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffb29da82ba579d1bf385a92b4bb1fdd3cff3082c8eaf343e45d1ab4d4e22af9
[INFO] running `Command { std: "docker" "start" "-a" "ffb29da82ba579d1bf385a92b4bb1fdd3cff3082c8eaf343e45d1ab4d4e22af9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling panic-halt v1.0.0
[INFO] [stderr]    Compiling syn v2.0.112
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling cortex-m-rt-hello-world 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] [stderr] error: could not compile `cortex-m-rt-hello-world` (bin "cortex-m-rt-hello-world") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ffb29da82ba579d1bf385a92b4bb1fdd3cff3082c8eaf343e45d1ab4d4e22af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb29da82ba579d1bf385a92b4bb1fdd3cff3082c8eaf343e45d1ab4d4e22af9", kill_on_drop: false }`
[INFO] [stdout] ffb29da82ba579d1bf385a92b4bb1fdd3cff3082c8eaf343e45d1ab4d4e22af9
