[INFO] cloning repository https://github.com/leizongmin/study-rust-osdev
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leizongmin/study-rust-osdev" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleizongmin%2Fstudy-rust-osdev", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleizongmin%2Fstudy-rust-osdev'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44dbe02aea1b88bc9d26ba254d4d718684a3737e
[INFO] checking leizongmin/study-rust-osdev against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleizongmin%2Fstudy-rust-osdev" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leizongmin/study-rust-osdev on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leizongmin/study-rust-osdev
[INFO] finished tweaking git repo https://github.com/leizongmin/study-rust-osdev
[INFO] tweaked toml for git repo https://github.com/leizongmin/study-rust-osdev written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/leizongmin/study-rust-osdev already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f2bb98f7614f1bbc98f0abe7bdc84742cb9c90fe06834a34f84ad7ac3c40b3a
[INFO] running `Command { std: "docker" "start" "-a" "0f2bb98f7614f1bbc98f0abe7bdc84742cb9c90fe06834a34f84ad7ac3c40b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f2bb98f7614f1bbc98f0abe7bdc84742cb9c90fe06834a34f84ad7ac3c40b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2bb98f7614f1bbc98f0abe7bdc84742cb9c90fe06834a34f84ad7ac3c40b3a", kill_on_drop: false }`
[INFO] [stdout] 0f2bb98f7614f1bbc98f0abe7bdc84742cb9c90fe06834a34f84ad7ac3c40b3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63d5441e13f373eb63435d13935483c69b3cf7d2ed4d207c86ad506152d037c0
[INFO] running `Command { std: "docker" "start" "-a" "63d5441e13f373eb63435d13935483c69b3cf7d2ed4d207c86ad506152d037c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking leios v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lang_items)] // required for defining the panic handler
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_fmt`
[INFO] [stdout]   --> src/main.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub extern "C" fn rust_begin_panic(
[INFO] [stdout] 8  | |     _msg: core::fmt::Arguments,
[INFO] [stdout] 9  | |     _file: &'static str,
[INFO] [stdout] 10 | |     _line: u32,
[INFO] [stdout] 11 | |     _column: u32,
[INFO] [stdout] 12 | | ) -> ! {
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `core` (which `leios` depends on)
[INFO] [stdout]    = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/beta-2021-10-15-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib
[INFO] [stdout]    = note: second definition in the local crate (`leios`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leios` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lang_items)] // required for defining the panic handler
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_fmt`
[INFO] [stdout]   --> src/main.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / pub extern "C" fn rust_begin_panic(
[INFO] [stdout] 8  | |     _msg: core::fmt::Arguments,
[INFO] [stdout] 9  | |     _file: &'static str,
[INFO] [stdout] 10 | |     _line: u32,
[INFO] [stdout] 11 | |     _column: u32,
[INFO] [stdout] 12 | | ) -> ! {
[INFO] [stdout]    | |______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the lang item is first defined in crate `core` (which `leios` depends on)
[INFO] [stdout]    = note: first definition in `core` loaded from /opt/rustwide/rustup-home/toolchains/beta-2021-10-15-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib
[INFO] [stdout]    = note: second definition in the local crate (`leios`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0152, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "63d5441e13f373eb63435d13935483c69b3cf7d2ed4d207c86ad506152d037c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d5441e13f373eb63435d13935483c69b3cf7d2ed4d207c86ad506152d037c0", kill_on_drop: false }`
[INFO] [stdout] 63d5441e13f373eb63435d13935483c69b3cf7d2ed4d207c86ad506152d037c0
