[INFO] cloning repository https://github.com/hyetigran/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/hyetigran/rust-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyetigran%2Frust-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyetigran%2Frust-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5814fe645c5e14fe0af0c3c3f7e248fe922800f8
[INFO] checking hyetigran/rust-os against master#aa067fb984d36462548bb785da221bfaf38253f0 for pr-122470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyetigran%2Frust-os" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hyetigran/rust-os on toolchain aa067fb984d36462548bb785da221bfaf38253f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/hyetigran/rust-os
[INFO] finished tweaking git repo https://github.com/hyetigran/rust-os
[INFO] tweaked toml for git repo https://github.com/hyetigran/rust-os written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hyetigran/rust-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" "+aa067fb984d36462548bb785da221bfaf38253f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr] warning: spurious network error (3 tries remaining): [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 4804 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (2 tries remaining): [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] warning: spurious network error (1 tries remaining): [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Couldn't connect to server)
[INFO] [stderr] error: failed to download from `https://static.crates.io/crates/bootloader/0.9.22/download`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   [7] Couldn't connect to server (Failed to connect to static.crates.io port 443 after 0 ms: Couldn't connect to server)
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking hyetigran/rust-os against try#707d6562f55b55a7aab4ab3a904997116b358314 for pr-122470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyetigran%2Frust-os" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hyetigran/rust-os on toolchain 707d6562f55b55a7aab4ab3a904997116b358314
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/hyetigran/rust-os
[INFO] finished tweaking git repo https://github.com/hyetigran/rust-os
[INFO] tweaked toml for git repo https://github.com/hyetigran/rust-os written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hyetigran/rust-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" "+707d6562f55b55a7aab4ab3a904997116b358314" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader v0.9.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dce85710923f08ac2df324a2c38ce60c6451b5f61c02714f1befbce0e9253860
[INFO] running `Command { std: "docker" "start" "-a" "dce85710923f08ac2df324a2c38ce60c6451b5f61c02714f1befbce0e9253860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dce85710923f08ac2df324a2c38ce60c6451b5f61c02714f1befbce0e9253860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce85710923f08ac2df324a2c38ce60c6451b5f61c02714f1befbce0e9253860", kill_on_drop: false }`
[INFO] [stdout] dce85710923f08ac2df324a2c38ce60c6451b5f61c02714f1befbce0e9253860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+707d6562f55b55a7aab4ab3a904997116b358314" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f00dbbc0f74d2a9f1b6d0301f22e591a585d799372603693d1fb8151e2cfc97c
[INFO] running `Command { std: "docker" "start" "-a" "f00dbbc0f74d2a9f1b6d0301f22e591a585d799372603693d1fb8151e2cfc97c", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader v0.9.22
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking volatile v0.2.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking r_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(asm)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout] 31 | |     loop {}
[INFO] [stdout] 32 | | }
[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/707d6562f55b55a7aab4ab3a904997116b358314/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6183181fa671dc5b.rlib
[INFO] [stdout]    = note: second definition in the local crate (`r_os`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `r_os` (bin "r_os" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: static `HELLO` is never used
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | static HELLO: &[u8] = b"Hello World!";
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f00dbbc0f74d2a9f1b6d0301f22e591a585d799372603693d1fb8151e2cfc97c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00dbbc0f74d2a9f1b6d0301f22e591a585d799372603693d1fb8151e2cfc97c", kill_on_drop: false }`
[INFO] [stdout] f00dbbc0f74d2a9f1b6d0301f22e591a585d799372603693d1fb8151e2cfc97c