[INFO] cloning repository https://github.com/abhiss/ecs251-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abhiss/ecs251-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhiss%2Fecs251-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhiss%2Fecs251-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a335119fa0d4de7069071abe59129a483bb5987b
[INFO] checking abhiss/ecs251-os against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhiss%2Fecs251-os" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/abhiss/ecs251-os
[INFO] finished tweaking git repo https://github.com/abhiss/ecs251-os
[INFO] tweaked toml for git repo https://github.com/abhiss/ecs251-os written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abhiss/ecs251-os on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abhiss/ecs251-os 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking abhiss/ecs251-os against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhiss%2Fecs251-os" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/abhiss/ecs251-os
[INFO] finished tweaking git repo https://github.com/abhiss/ecs251-os
[INFO] tweaked toml for git repo https://github.com/abhiss/ecs251-os written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abhiss/ecs251-os on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abhiss/ecs251-os 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5ebf476c5d7249b688fb1243aff58198f79672cdfed59f7af8584a3d838b517
[INFO] running `Command { std: "docker" "start" "-a" "c5ebf476c5d7249b688fb1243aff58198f79672cdfed59f7af8584a3d838b517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5ebf476c5d7249b688fb1243aff58198f79672cdfed59f7af8584a3d838b517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5ebf476c5d7249b688fb1243aff58198f79672cdfed59f7af8584a3d838b517", kill_on_drop: false }`
[INFO] [stdout] c5ebf476c5d7249b688fb1243aff58198f79672cdfed59f7af8584a3d838b517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aa0b0b25440b2ee7687cd872b16e1b5fb771e79c10d43cc8a86fe3d7ba51808
[INFO] running `Command { std: "docker" "start" "-a" "7aa0b0b25440b2ee7687cd872b16e1b5fb771e79c10d43cc8a86fe3d7ba51808", kill_on_drop: false }`
[INFO] [stderr]    Compiling os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[no_mangle]` cannot be used on internal language items
[INFO] [stdout]    --> src/main.rs:185:1
[INFO] [stdout]     |
[INFO] [stdout] 185 | #[no_mangle]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout] 186 | pub unsafe fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout]     | ------------------------------------------- should be the internal language item
[INFO] [stdout]     |
[INFO] [stdout]     = note: Rustc requires this item to have a specific mangled name.
[INFO] [stdout]     = note: If you are trying to prevent mangling to ease debugging, many
[INFO] [stdout]     = note: debuggers support a command such as `rbreak rust_begin_unwind` to
[INFO] [stdout]     = note: match `.*rust_begin_unwind.*` instead of `break rust_begin_unwind` on a specific name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     loop{} 
[INFO] [stdout]     |     ------ any code following this expression is unreachable
[INFO] [stdout] 159 |     //set mode to graphics
[INFO] [stdout] 160 |     *(0x500F6780 as *mut u32) = 0x1;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (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:186:1
[INFO] [stdout]     |
[INFO] [stdout] 186 | / pub unsafe fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 187 | |     *(0x500F6780 as *mut u32) = 0x0;
[INFO] [stdout] 188 | |     printf(b"System panic :(");
[INFO] [stdout] 189 | |     loop {}
[INFO] [stdout] 190 | | }
[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/a3a874232ae0a7586b5fbe7483c5a42e157bd62a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c154a69977bb44fb.rmeta
[INFO] [stdout]     = note: second definition in the local crate (`os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `os` (bin "os" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `os` (bin "os") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7aa0b0b25440b2ee7687cd872b16e1b5fb771e79c10d43cc8a86fe3d7ba51808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa0b0b25440b2ee7687cd872b16e1b5fb771e79c10d43cc8a86fe3d7ba51808", kill_on_drop: false }`
[INFO] [stdout] 7aa0b0b25440b2ee7687cd872b16e1b5fb771e79c10d43cc8a86fe3d7ba51808