[INFO] cloning repository https://github.com/zhoujc999/Blog_OS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhoujc999/Blog_OS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhoujc999%2FBlog_OS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhoujc999%2FBlog_OS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f364553c9ddabf10a6a56306eb56fbde742e69c8
[INFO] testing zhoujc999/Blog_OS against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhoujc999%2FBlog_OS" "/workspace/builds/worker-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhoujc999/Blog_OS 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] started tweaking git repo https://github.com/zhoujc999/Blog_OS
[INFO] finished tweaking git repo https://github.com/zhoujc999/Blog_OS
[INFO] tweaked toml for git repo https://github.com/zhoujc999/Blog_OS written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate git repo https://github.com/zhoujc999/Blog_OS 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] [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-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 3ec6027a443a08ec1e1f79e38d05e49d68ac3180e23a36cd8ee8dfec2ee20465
[INFO] running `Command { std: "docker" "start" "-a" "3ec6027a443a08ec1e1f79e38d05e49d68ac3180e23a36cd8ee8dfec2ee20465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ec6027a443a08ec1e1f79e38d05e49d68ac3180e23a36cd8ee8dfec2ee20465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec6027a443a08ec1e1f79e38d05e49d68ac3180e23a36cd8ee8dfec2ee20465", kill_on_drop: false }`
[INFO] [stdout] 3ec6027a443a08ec1e1f79e38d05e49d68ac3180e23a36cd8ee8dfec2ee20465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] b4d6720b67b3f5a610a8e8ce1a27b1ed251f43ff13e9a6e5acb7d3ac51035aab
[INFO] running `Command { std: "docker" "start" "-a" "b4d6720b67b3f5a610a8e8ce1a27b1ed251f43ff13e9a6e5acb7d3ac51035aab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bootloader v0.9.3
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling volatile v0.2.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling blog_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: language item required, but not found: `eh_personality`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blog_os` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b4d6720b67b3f5a610a8e8ce1a27b1ed251f43ff13e9a6e5acb7d3ac51035aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d6720b67b3f5a610a8e8ce1a27b1ed251f43ff13e9a6e5acb7d3ac51035aab", kill_on_drop: false }`
[INFO] [stdout] b4d6720b67b3f5a610a8e8ce1a27b1ed251f43ff13e9a6e5acb7d3ac51035aab