[INFO] cloning repository https://github.com/kromych/corgos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kromych/corgos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkromych%2Fcorgos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkromych%2Fcorgos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e6f56c75f509dab9a86b9b421390247f07764c6
[INFO] testing kromych/corgos against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkromych%2Fcorgos" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/kromych/corgos
[INFO] finished tweaking git repo https://github.com/kromych/corgos
[INFO] tweaked toml for git repo https://github.com/kromych/corgos written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kromych/corgos on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kromych/corgos 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba52071bd158e4b60f0e6822b049b0e845fbc63bd49b18f495b8b20dc9056309
[INFO] running `Command { std: "docker" "start" "-a" "ba52071bd158e4b60f0e6822b049b0e845fbc63bd49b18f495b8b20dc9056309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba52071bd158e4b60f0e6822b049b0e845fbc63bd49b18f495b8b20dc9056309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba52071bd158e4b60f0e6822b049b0e845fbc63bd49b18f495b8b20dc9056309", kill_on_drop: false }`
[INFO] [stdout] ba52071bd158e4b60f0e6822b049b0e845fbc63bd49b18f495b8b20dc9056309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e73bbd39eb1f90143c4edce295bc7ef8dffaec9528c4882852ff587d63e8e0be
[INFO] running `Command { std: "docker" "start" "-a" "e73bbd39eb1f90143c4edce295bc7ef8dffaec9528c4882852ff587d63e8e0be", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling bit_field v0.10.3
[INFO] [stderr]    Compiling uguid v2.2.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling conquer-util v0.3.0
[INFO] [stderr]    Compiling kernel_start v0.0.0 (/opt/rustwide/workdir/corgos/kernel/start)
[INFO] [stderr]    Compiling poll_uart v0.0.0 (/opt/rustwide/workdir/support/poll_uart)
[INFO] [stderr]    Compiling semihosting v0.0.0 (/opt/rustwide/workdir/support/semihosting)
[INFO] [stderr]    Compiling elf v0.8.0
[INFO] [stderr]    Compiling ini_file v0.0.0 (/opt/rustwide/workdir/support/ini_file)
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling conquer-once v0.4.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr] error: could not compile `kernel_start` (bin "kernel_start") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e73bbd39eb1f90143c4edce295bc7ef8dffaec9528c4882852ff587d63e8e0be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73bbd39eb1f90143c4edce295bc7ef8dffaec9528c4882852ff587d63e8e0be", kill_on_drop: false }`
[INFO] [stdout] e73bbd39eb1f90143c4edce295bc7ef8dffaec9528c4882852ff587d63e8e0be