[INFO] cloning repository https://github.com/zach1020/RustybaraOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zach1020/RustybaraOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzach1020%2FRustybaraOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzach1020%2FRustybaraOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b7ef60eea04a18ec2e063f5479c55a533e66d1a
[INFO] checking zach1020/RustybaraOS/2b7ef60eea04a18ec2e063f5479c55a533e66d1a against master#c871d09d1cc32a649f4c5177bb819646260ed120 for pr-149291-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzach1020%2FRustybaraOS" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/zach1020/RustybaraOS
[INFO] finished tweaking git repo https://github.com/zach1020/RustybaraOS
[INFO] tweaked toml for git repo https://github.com/zach1020/RustybaraOS written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zach1020/RustybaraOS on toolchain c871d09d1cc32a649f4c5177bb819646260ed120
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c871d09d1cc32a649f4c5177bb819646260ed120" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zach1020/RustybaraOS already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c871d09d1cc32a649f4c5177bb819646260ed120" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding lazy_static v1.5.0
[INFO] [stderr]       Adding spin v0.9.8
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader v0.9.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c871d09d1cc32a649f4c5177bb819646260ed120" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0c63477b9b583be2f61d93ec40b8f425155566c21f47881a6e624fa865edff9
[INFO] running `Command { std: "docker" "start" "-a" "a0c63477b9b583be2f61d93ec40b8f425155566c21f47881a6e624fa865edff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0c63477b9b583be2f61d93ec40b8f425155566c21f47881a6e624fa865edff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c63477b9b583be2f61d93ec40b8f425155566c21f47881a6e624fa865edff9", kill_on_drop: false }`
[INFO] [stdout] a0c63477b9b583be2f61d93ec40b8f425155566c21f47881a6e624fa865edff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c871d09d1cc32a649f4c5177bb819646260ed120" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8c7577cd557341084ad6ba595a1a4f2246eb155dab70f5d183448daeca27c9e
[INFO] running `Command { std: "docker" "start" "-a" "d8c7577cd557341084ad6ba595a1a4f2246eb155dab70f5d183448daeca27c9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader v0.9.28
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking rustybaraOS v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::fmt::Write`
[INFO] [stdout]   --> src/vga_buffer.rs:94:6
[INFO] [stdout]    |
[INFO] [stdout] 94 |     use core::fmt::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::fmt::Write`
[INFO] [stdout]   --> src/vga_buffer.rs:94:6
[INFO] [stdout]    |
[INFO] [stdout] 94 |     use core::fmt::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / fn panic(_info:  &PanicInfo) -> ! {
[INFO] [stdout] 22 | |     loop{}
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]    = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/c871d09d1cc32a649f4c5177bb819646260ed120/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-eb5e5b1ac38e128b.rlib
[INFO] [stdout]    = note: second definition in the local crate (`rustybaraOS`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stdout] warning: static `HELLO` is never used
[INFO] [stdout]   --> src/main.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | static HELLO: &[u8] = b"Hello RustybaraOS!";
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustybaraOS` (bin "rustybaraOS" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d8c7577cd557341084ad6ba595a1a4f2246eb155dab70f5d183448daeca27c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c7577cd557341084ad6ba595a1a4f2246eb155dab70f5d183448daeca27c9e", kill_on_drop: false }`
[INFO] [stdout] d8c7577cd557341084ad6ba595a1a4f2246eb155dab70f5d183448daeca27c9e