[INFO] cloning repository https://github.com/andrei-herdt/rust-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrei-herdt/rust-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrei-herdt%2Frust-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrei-herdt%2Frust-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0f17612670a2580ed4a4c29a4678a62b8f44cb3
[INFO] checking andrei-herdt/rust-os against master#4c5f6e6277b89e47d73a192078697f7a5f3dc0ac for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrei-herdt%2Frust-os" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrei-herdt/rust-os on toolchain 4c5f6e6277b89e47d73a192078697f7a5f3dc0ac
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-36/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/andrei-herdt/rust-os
[INFO] finished tweaking git repo https://github.com/andrei-herdt/rust-os
[INFO] tweaked toml for git repo https://github.com/andrei-herdt/rust-os written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/andrei-herdt/rust-os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader v0.9.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ea24affa70f45118799d99aafa7ca0470bead6747eee674b44143ace7cd7626
[INFO] running `Command { std: "docker" "start" "-a" "5ea24affa70f45118799d99aafa7ca0470bead6747eee674b44143ace7cd7626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ea24affa70f45118799d99aafa7ca0470bead6747eee674b44143ace7cd7626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea24affa70f45118799d99aafa7ca0470bead6747eee674b44143ace7cd7626", kill_on_drop: false }`
[INFO] [stdout] 5ea24affa70f45118799d99aafa7ca0470bead6747eee674b44143ace7cd7626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32852efa2a934d514815d4648362f5a099c5a63b1167432706ff7cc5414ee2d8
[INFO] running `Command { std: "docker" "start" "-a" "32852efa2a934d514815d4648362f5a099c5a63b1167432706ff7cc5414ee2d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bootloader v0.9.11
[INFO] [stderr]     Checking blog_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `;` or `{`, found keyword `use`
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod vga_buffer
[INFO] [stdout]   |               - expected one of `;` or `{`
[INFO] [stdout] 5 | 
[INFO] [stdout] 6 | use core::panic::PanicInfo;
[INFO] [stdout]   | ^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `;` or `{`, found keyword `use`
[INFO] [stdout]  --> src/main.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod vga_buffer
[INFO] [stdout]   |               - expected one of `;` or `{`
[INFO] [stdout] 5 | 
[INFO] [stdout] 6 | use core::panic::PanicInfo;
[INFO] [stdout]   | ^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blog_os` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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" "32852efa2a934d514815d4648362f5a099c5a63b1167432706ff7cc5414ee2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32852efa2a934d514815d4648362f5a099c5a63b1167432706ff7cc5414ee2d8", kill_on_drop: false }`
[INFO] [stdout] 32852efa2a934d514815d4648362f5a099c5a63b1167432706ff7cc5414ee2d8