[INFO] cloning repository https://github.com/liamashes/os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liamashes/os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamashes%2Fos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamashes%2Fos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 279339dfb47458a5e7863c3d35e9dbb3b1081386
[INFO] checking liamashes/os against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliamashes%2Fos" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liamashes/os on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/liamashes/os
[INFO] finished tweaking git repo https://github.com/liamashes/os
[INFO] tweaked toml for git repo https://github.com/liamashes/os written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/liamashes/os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6071842d7988501555a1f6d7b3dc542c23c07fa61dd52fa4f6a849b211b1838
[INFO] running `Command { std: "docker" "start" "-a" "e6071842d7988501555a1f6d7b3dc542c23c07fa61dd52fa4f6a849b211b1838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6071842d7988501555a1f6d7b3dc542c23c07fa61dd52fa4f6a849b211b1838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6071842d7988501555a1f6d7b3dc542c23c07fa61dd52fa4f6a849b211b1838", kill_on_drop: false }`
[INFO] [stdout] e6071842d7988501555a1f6d7b3dc542c23c07fa61dd52fa4f6a849b211b1838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b595ade9d63742f332a1ba45596ce546adfb0a59b12e576329949f43a19137f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b595ade9d63742f332a1ba45596ce546adfb0a59b12e576329949f43a19137f", kill_on_drop: false }`
[INFO] [stderr]     Checking os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/panic.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn panic_hanlder(info: &PanicInfo) -> ! {
[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/a609fb45efad59dfd459c76e50899be9f0583b5a/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-25c6acf8063a3802.rlib
[INFO] [stdout]    = note: second definition in the local crate (`os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: constant is never used: `SBI_SET_TIMER`
[INFO] [stdout]   --> src/sbi.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const SBI_SET_TIMER: usize = 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SBI_CONSOLE_GETCHAR`
[INFO] [stdout]   --> src/sbi.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SBI_CONSOLE_GETCHAR: usize = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SBI_CLEAR_IPI`
[INFO] [stdout]   --> src/sbi.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const SBI_CLEAR_IPI: usize = 3;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SBI_SEND_IPI`
[INFO] [stdout]   --> src/sbi.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const SBI_SEND_IPI: usize = 4;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SBI_REMOTE_FENCE_I`
[INFO] [stdout]   --> src/sbi.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | const SBI_REMOTE_FENCE_I: usize = 5;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SBI_REMOTE_SFENCE_VMA`
[INFO] [stdout]   --> src/sbi.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | const SBI_REMOTE_SFENCE_VMA: usize = 6;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SBI_REMOTE_SFENCE_VMA_ASID`
[INFO] [stdout]   --> src/sbi.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | const SBI_REMOTE_SFENCE_VMA_ASID: usize = 7;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `console_getchar`
[INFO] [stdout]   --> src/sbi.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn console_getchar() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4b595ade9d63742f332a1ba45596ce546adfb0a59b12e576329949f43a19137f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b595ade9d63742f332a1ba45596ce546adfb0a59b12e576329949f43a19137f", kill_on_drop: false }`
[INFO] [stdout] 4b595ade9d63742f332a1ba45596ce546adfb0a59b12e576329949f43a19137f