[INFO] cloning repository https://github.com/jimizai/os_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimizai/os_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimizai%2Fos_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimizai%2Fos_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 284d3c79d4f1f6ecf087c4b2d3620833eca7c2f1
[INFO] testing jimizai/os_study against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimizai%2Fos_study" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimizai/os_study on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/.cargo/config
[INFO] started tweaking git repo https://github.com/jimizai/os_study
[INFO] finished tweaking git repo https://github.com/jimizai/os_study
[INFO] tweaked toml for git repo https://github.com/jimizai/os_study written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jimizai/os_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a9eb00f1a50b9b86b8c06e817821f78d405fe99e81e7efa6e709a1e005e2f92
[INFO] running `Command { std: "docker" "start" "-a" "5a9eb00f1a50b9b86b8c06e817821f78d405fe99e81e7efa6e709a1e005e2f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a9eb00f1a50b9b86b8c06e817821f78d405fe99e81e7efa6e709a1e005e2f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9eb00f1a50b9b86b8c06e817821f78d405fe99e81e7efa6e709a1e005e2f92", kill_on_drop: false }`
[INFO] [stdout] 5a9eb00f1a50b9b86b8c06e817821f78d405fe99e81e7efa6e709a1e005e2f92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 585b883810fc6ec54f6cb0f51448f7e9e8b49acd449a280705b0e636a4c61e76
[INFO] running `Command { std: "docker" "start" "-a" "585b883810fc6ec54f6cb0f51448f7e9e8b49acd449a280705b0e636a4c61e76", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num`
[INFO] [stdout]  --> src/batch.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::{cell::RefCell, num, panic};
[INFO] [stdout]   |                           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "585b883810fc6ec54f6cb0f51448f7e9e8b49acd449a280705b0e636a4c61e76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "585b883810fc6ec54f6cb0f51448f7e9e8b49acd449a280705b0e636a4c61e76", kill_on_drop: false }`
[INFO] [stdout] 585b883810fc6ec54f6cb0f51448f7e9e8b49acd449a280705b0e636a4c61e76