[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] checking ZetaNumbers/blog-os against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZetaNumbers%2Fblog-os" "/workspace/builds/worker-71/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZetaNumbers/blog-os on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-71/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-71/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d59bd08d063d52955239f2cb44515c0187a4048bb1832660743427d9e619411f
[INFO] running `Command { std: "docker" "start" "-a" "d59bd08d063d52955239f2cb44515c0187a4048bb1832660743427d9e619411f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d59bd08d063d52955239f2cb44515c0187a4048bb1832660743427d9e619411f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d59bd08d063d52955239f2cb44515c0187a4048bb1832660743427d9e619411f", kill_on_drop: false }`
[INFO] [stdout] d59bd08d063d52955239f2cb44515c0187a4048bb1832660743427d9e619411f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc03a99b7575eacd5380e3896093490c4d00b7cba68849f984441496e3950a7f
[INFO] running `Command { std: "docker" "start" "-a" "fc03a99b7575eacd5380e3896093490c4d00b7cba68849f984441496e3950a7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling x86_64 v0.14.3
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]    Compiling bootloader v0.9.18
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking font8x8 v0.3.1
[INFO] [stderr]     Checking pc-keyboard v0.5.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking conquer-once v0.3.2
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking spin v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking uart_16550 v0.2.15
[INFO] [stderr]     Checking pic8259 v0.10.1
[INFO] [stderr]     Checking vga v0.2.7
[INFO] [stderr]     Checking 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] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fc03a99b7575eacd5380e3896093490c4d00b7cba68849f984441496e3950a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc03a99b7575eacd5380e3896093490c4d00b7cba68849f984441496e3950a7f", kill_on_drop: false }`
[INFO] [stdout] fc03a99b7575eacd5380e3896093490c4d00b7cba68849f984441496e3950a7f