[INFO] cloning repository https://github.com/ZetaNumbers/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/ZetaNumbers/blog-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZetaNumbers%2Fblog-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZetaNumbers%2Fblog-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d17048cf670573e4aa09486a041bc102b3158947
[INFO] testing ZetaNumbers/blog-os against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZetaNumbers%2Fblog-os" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZetaNumbers/blog-os on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-108/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ZetaNumbers/blog-os
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/ZetaNumbers/blog-os
[INFO] tweaked toml for git repo https://github.com/ZetaNumbers/blog-os written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/ZetaNumbers/blog-os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a30f6b7e414377c8612aa8f23ed4dd3f4a82b4c78d49bd936c0944cb43b3bc4
[INFO] running `Command { std: "docker" "start" "-a" "3a30f6b7e414377c8612aa8f23ed4dd3f4a82b4c78d49bd936c0944cb43b3bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a30f6b7e414377c8612aa8f23ed4dd3f4a82b4c78d49bd936c0944cb43b3bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a30f6b7e414377c8612aa8f23ed4dd3f4a82b4c78d49bd936c0944cb43b3bc4", kill_on_drop: false }`
[INFO] [stdout] 3a30f6b7e414377c8612aa8f23ed4dd3f4a82b4c78d49bd936c0944cb43b3bc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67f93ce35bdfef09a9a51f4a0d1656eb2de68150a1b52cd2ce0cbe7a63846359
[INFO] running `Command { std: "docker" "start" "-a" "67f93ce35bdfef09a9a51f4a0d1656eb2de68150a1b52cd2ce0cbe7a63846359", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling x86_64 v0.14.3
[INFO] [stderr]    Compiling volatile v0.4.4
[INFO] [stderr]    Compiling bit_field v0.9.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling conquer-util v0.3.0
[INFO] [stderr]    Compiling bootloader v0.9.18
[INFO] [stderr]    Compiling font8x8 v0.3.1
[INFO] [stderr]    Compiling pc-keyboard v0.5.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling conquer-once v0.3.2
[INFO] [stderr]    Compiling spinning_top v0.2.4
[INFO] [stderr]    Compiling spin v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling uart_16550 v0.2.15
[INFO] [stderr]    Compiling pic8259 v0.10.1
[INFO] [stderr]    Compiling vga v0.2.7
[INFO] [stderr]    Compiling blog_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `exception`
[INFO] [stdout]    --> src/interrupts.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     exception: &'static str,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack_frame`
[INFO] [stdout]    --> src/interrupts.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 |     stack_frame: InterruptStackFrame,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `optional_error_code`
[INFO] [stdout]    --> src/interrupts.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     optional_error_code: E,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `additional_info`
[INFO] [stdout]    --> src/interrupts.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     additional_info: I,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `load`
[INFO] [stdout]   --> src/vga.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn load(&mut self) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blog_os` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "67f93ce35bdfef09a9a51f4a0d1656eb2de68150a1b52cd2ce0cbe7a63846359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f93ce35bdfef09a9a51f4a0d1656eb2de68150a1b52cd2ce0cbe7a63846359", kill_on_drop: false }`
[INFO] [stdout] 67f93ce35bdfef09a9a51f4a0d1656eb2de68150a1b52cd2ce0cbe7a63846359