[INFO] cloning repository https://github.com/saytamkenorh/fuos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saytamkenorh/fuos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaytamkenorh%2Ffuos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaytamkenorh%2Ffuos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81800d9769a3bf6ba26c1b5906a364f2b3ecd2d2
[INFO] checking saytamkenorh/fuos against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaytamkenorh%2Ffuos" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saytamkenorh/fuos on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/saytamkenorh/fuos
[INFO] finished tweaking git repo https://github.com/saytamkenorh/fuos
[INFO] tweaked toml for git repo https://github.com/saytamkenorh/fuos written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/saytamkenorh/fuos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96cd0bdd6e19e1cf0aae6c4cfb4d2c8370ed432bcb4ae3f11f16b5d5033527b7
[INFO] running `Command { std: "docker" "start" "-a" "96cd0bdd6e19e1cf0aae6c4cfb4d2c8370ed432bcb4ae3f11f16b5d5033527b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96cd0bdd6e19e1cf0aae6c4cfb4d2c8370ed432bcb4ae3f11f16b5d5033527b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96cd0bdd6e19e1cf0aae6c4cfb4d2c8370ed432bcb4ae3f11f16b5d5033527b7", kill_on_drop: false }`
[INFO] [stdout] 96cd0bdd6e19e1cf0aae6c4cfb4d2c8370ed432bcb4ae3f11f16b5d5033527b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4813784c0f648714270ec35b2b1d68fe16d2abb74f3b87f47a6b4ce73e661fd8
[INFO] running `Command { std: "docker" "start" "-a" "4813784c0f648714270ec35b2b1d68fe16d2abb74f3b87f47a6b4ce73e661fd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling x86_64 v0.14.3
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]    Compiling bootloader v0.10.6
[INFO] [stderr]     Checking conquer-util v0.3.0
[INFO] [stderr]     Checking font8x8 v0.3.1
[INFO] [stderr]     Checking locate-cargo-manifest v0.2.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bootloader-locator v0.0.4
[INFO] [stderr]     Checking spin v0.9.1
[INFO] [stderr]     Checking conquer-once v0.3.2
[INFO] [stderr]     Checking fuos_boot v0.1.0 (/opt/rustwide/workdir/fuos_boot)
[INFO] [stderr]     Checking uart_16550 v0.2.15
[INFO] [stderr]     Checking fuos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn panic(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/90442458ac46b1d5eed752c316da25450f67285b/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib
[INFO] [stdout]    = note: second definition in the local crate (`fuos`)
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fuos`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4813784c0f648714270ec35b2b1d68fe16d2abb74f3b87f47a6b4ce73e661fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4813784c0f648714270ec35b2b1d68fe16d2abb74f3b87f47a6b4ce73e661fd8", kill_on_drop: false }`
[INFO] [stdout] 4813784c0f648714270ec35b2b1d68fe16d2abb74f3b87f47a6b4ce73e661fd8