[INFO] cloning repository https://github.com/Almagest01/rust_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/Almagest01/rust_blog_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmagest01%2Frust_blog_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmagest01%2Frust_blog_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 861d60c06d3c89c3053b1b6215c635cab2693cc2
[INFO] testing Almagest01/rust_blog_os against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlmagest01%2Frust_blog_os" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Almagest01/rust_blog_os on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-21/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-21/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Almagest01/rust_blog_os
[INFO] finished tweaking git repo https://github.com/Almagest01/rust_blog_os
[INFO] tweaked toml for git repo https://github.com/Almagest01/rust_blog_os written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/Almagest01/rust_blog_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef272a1ceac7e3d7cfa367da89503e147c90a4d80ccd2980fc63d9a9780f5d14
[INFO] running `Command { std: "docker" "start" "-a" "ef272a1ceac7e3d7cfa367da89503e147c90a4d80ccd2980fc63d9a9780f5d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef272a1ceac7e3d7cfa367da89503e147c90a4d80ccd2980fc63d9a9780f5d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef272a1ceac7e3d7cfa367da89503e147c90a4d80ccd2980fc63d9a9780f5d14", kill_on_drop: false }`
[INFO] [stdout] ef272a1ceac7e3d7cfa367da89503e147c90a4d80ccd2980fc63d9a9780f5d14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3150af0d30d1b80176e7ac2f13bbf302cbe97d60af881fba5c9b2f179af0b8f7
[INFO] running `Command { std: "docker" "start" "-a" "3150af0d30d1b80176e7ac2f13bbf302cbe97d60af881fba5c9b2f179af0b8f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bootloader v0.9.19
[INFO] [stderr]    Compiling volatile v0.2.7
[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" "3150af0d30d1b80176e7ac2f13bbf302cbe97d60af881fba5c9b2f179af0b8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3150af0d30d1b80176e7ac2f13bbf302cbe97d60af881fba5c9b2f179af0b8f7", kill_on_drop: false }`
[INFO] [stdout] 3150af0d30d1b80176e7ac2f13bbf302cbe97d60af881fba5c9b2f179af0b8f7