[INFO] cloning repository https://github.com/0xSchnappi/rust-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xSchnappi/rust-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSchnappi%2Frust-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSchnappi%2Frust-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ce9dd11c1fb762c96d87e99ecd84f19f8b461e2
[INFO] checking 0xSchnappi/rust-os against master#a2db9280539229a3b8a084a09886670a57bc7e9c for pr-147185
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSchnappi%2Frust-os" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/0xSchnappi/rust-os
[INFO] finished tweaking git repo https://github.com/0xSchnappi/rust-os
[INFO] tweaked toml for git repo https://github.com/0xSchnappi/rust-os written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xSchnappi/rust-os on toolchain a2db9280539229a3b8a084a09886670a57bc7e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xSchnappi/rust-os 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" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volatile v0.2.7
[INFO] [stderr]   Downloaded bootloader v0.9.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 763d3fa678b5e6c7b307c131534cdd5a92cbb8ca91cc47197fa3c0dd2f77a576
[INFO] running `Command { std: "docker" "start" "-a" "763d3fa678b5e6c7b307c131534cdd5a92cbb8ca91cc47197fa3c0dd2f77a576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "763d3fa678b5e6c7b307c131534cdd5a92cbb8ca91cc47197fa3c0dd2f77a576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "763d3fa678b5e6c7b307c131534cdd5a92cbb8ca91cc47197fa3c0dd2f77a576", kill_on_drop: false }`
[INFO] [stdout] 763d3fa678b5e6c7b307c131534cdd5a92cbb8ca91cc47197fa3c0dd2f77a576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+a2db9280539229a3b8a084a09886670a57bc7e9c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e32b21a1c15f37c5dca87fcb268cca2d0ed7a6a2646d75951bf5214f8af075ac
[INFO] running `Command { std: "docker" "start" "-a" "e32b21a1c15f37c5dca87fcb268cca2d0ed7a6a2646d75951bf5214f8af075ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling bootloader v0.9.29
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking rust-os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static `HELLO` is never used
[INFO] [stdout]   --> src/main.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | static HELLO: &[u8] = b"Hello World!";
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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 `rust-os` (bin "rust-os" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e32b21a1c15f37c5dca87fcb268cca2d0ed7a6a2646d75951bf5214f8af075ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32b21a1c15f37c5dca87fcb268cca2d0ed7a6a2646d75951bf5214f8af075ac", kill_on_drop: false }`
[INFO] [stdout] e32b21a1c15f37c5dca87fcb268cca2d0ed7a6a2646d75951bf5214f8af075ac
