[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 try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimizai%2Fos_study" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimizai/os_study on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/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-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54b945be58cd0e5eb62d97b5cd92aa7a76275d83f8949336d71ed8201333e072
[INFO] running `Command { std: "docker" "start" "-a" "54b945be58cd0e5eb62d97b5cd92aa7a76275d83f8949336d71ed8201333e072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54b945be58cd0e5eb62d97b5cd92aa7a76275d83f8949336d71ed8201333e072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54b945be58cd0e5eb62d97b5cd92aa7a76275d83f8949336d71ed8201333e072", kill_on_drop: false }`
[INFO] [stdout] 54b945be58cd0e5eb62d97b5cd92aa7a76275d83f8949336d71ed8201333e072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0c64924440f77c29202d953136aaddf6c290768cc6917d7080b9d45e6e3fff5
[INFO] running `Command { std: "docker" "start" "-a" "d0c64924440f77c29202d953136aaddf6c290768cc6917d7080b9d45e6e3fff5", 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" "d0c64924440f77c29202d953136aaddf6c290768cc6917d7080b9d45e6e3fff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c64924440f77c29202d953136aaddf6c290768cc6917d7080b9d45e6e3fff5", kill_on_drop: false }`
[INFO] [stdout] d0c64924440f77c29202d953136aaddf6c290768cc6917d7080b9d45e6e3fff5