[INFO] cloning repository https://github.com/iasonliu/hi_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iasonliu/hi_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiasonliu%2Fhi_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiasonliu%2Fhi_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9a780ec0518e9a07cfa4d333437232c6d33db1b
[INFO] checking iasonliu/hi_os against 0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0 for pr-158915-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiasonliu%2Fhi_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] removed /workspace/builds/worker-0-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/iasonliu/hi_os
[INFO] finished tweaking git repo https://github.com/iasonliu/hi_os
[INFO] tweaked toml for git repo https://github.com/iasonliu/hi_os written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iasonliu/hi_os on toolchain 0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iasonliu/hi_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" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `hi_os` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-0-tc2/source/target/.../hi_os
[INFO] [stderr]    |                                                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `hi-os`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 - name = "hi_os"
[INFO] [stderr] 15 + name = "hi-os"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `hi-os`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 ~ panic = "abort"
[INFO] [stderr] 23 + [[bin]]
[INFO] [stderr] 24 + name = "hi-os"
[INFO] [stderr] 25 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `hi_os` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking iasonliu/hi_os against 0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0 for pr-158915-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiasonliu%2Fhi_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] removed /workspace/builds/worker-0-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/iasonliu/hi_os
[INFO] finished tweaking git repo https://github.com/iasonliu/hi_os
[INFO] tweaked toml for git repo https://github.com/iasonliu/hi_os written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iasonliu/hi_os on toolchain 0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iasonliu/hi_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" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `hi_os` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-0-tc2/source/target/.../hi_os
[INFO] [stderr]    |                                                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `hi-os`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 - name = "hi_os"
[INFO] [stderr] 15 + name = "hi-os"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `hi-os`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 ~ panic = "abort"
[INFO] [stderr] 23 + [[bin]]
[INFO] [stderr] 24 + name = "hi-os"
[INFO] [stderr] 25 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `hi_os` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.9.3
[INFO] [stderr]   Downloaded volatile v0.4.4
[INFO] [stderr]   Downloaded bootloader v0.9.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1f992f2836804af2bf9be20e7877108f8439f3deb4571bc80aa1910499f3d1f4
[INFO] running `Command { std: "docker" "start" "1f992f2836804af2bf9be20e7877108f8439f3deb4571bc80aa1910499f3d1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f992f2836804af2bf9be20e7877108f8439f3deb4571bc80aa1910499f3d1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1f992f2836804af2bf9be20e7877108f8439f3deb4571bc80aa1910499f3d1f4" "/opt/rustwide/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f992f2836804af2bf9be20e7877108f8439f3deb4571bc80aa1910499f3d1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1f992f2836804af2bf9be20e7877108f8439f3deb4571bc80aa1910499f3d1f4" "/opt/rustwide/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `hi_os` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../hi_os
[INFO] [stderr]    |                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `hi-os`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 - name = "hi_os"
[INFO] [stderr] 15 + name = "hi-os"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `hi-os`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 ~ panic = "abort"
[INFO] [stderr] 23 + [[bin]]
[INFO] [stderr] 24 + name = "hi-os"
[INFO] [stderr] 25 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `hi_os` (manifest) generated 1 warning
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling bootloader v0.9.22
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking volatile v0.4.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking hi_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]   --> src/main.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / fn panic(info: &PanicInfo) -> ! {
[INFO] [stdout] 12 | |     println!("{}", info);
[INFO] [stdout] 13 | |     loop {}
[INFO] [stdout] 14 | | }
[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/0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-453218b5e9634890.rmeta
[INFO] [stdout]    = note: second definition in the local crate (`hi_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 `hi_os` (bin "hi_os" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     panic!("Some panic message");
[INFO] [stdout]    |     ---------------------------- any code following this expression is unreachable
[INFO] [stdout] 20 |     loop {}
[INFO] [stdout]    |     ^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1f992f2836804af2bf9be20e7877108f8439f3deb4571bc80aa1910499f3d1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f992f2836804af2bf9be20e7877108f8439f3deb4571bc80aa1910499f3d1f4", kill_on_drop: false }`
[INFO] [stdout] 1f992f2836804af2bf9be20e7877108f8439f3deb4571bc80aa1910499f3d1f4
