[INFO] cloning repository https://github.com/Harry-Hopkinson/rust-kernel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Harry-Hopkinson/rust-kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarry-Hopkinson%2Frust-kernel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarry-Hopkinson%2Frust-kernel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1021ed350551b961d21b898f303d03ef07c605d5
[INFO] testing Harry-Hopkinson/rust-kernel/1021ed350551b961d21b898f303d03ef07c605d5 against beta-2024-09-05 for beta-1.82-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHarry-Hopkinson%2Frust-kernel" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Harry-Hopkinson/rust-kernel on toolchain beta-2024-09-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-09-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Harry-Hopkinson/rust-kernel
[INFO] finished tweaking git repo https://github.com/Harry-Hopkinson/rust-kernel
[INFO] tweaked toml for git repo https://github.com/Harry-Hopkinson/rust-kernel written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Harry-Hopkinson/rust-kernel 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" "+beta-2024-09-05" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-09-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e77effbf36f04ef52e9da586e60fd7402b0094d0687896ede45aad1dbc7bf8ee
[INFO] running `Command { std: "docker" "start" "-a" "e77effbf36f04ef52e9da586e60fd7402b0094d0687896ede45aad1dbc7bf8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e77effbf36f04ef52e9da586e60fd7402b0094d0687896ede45aad1dbc7bf8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77effbf36f04ef52e9da586e60fd7402b0094d0687896ede45aad1dbc7bf8ee", kill_on_drop: false }`
[INFO] [stdout] e77effbf36f04ef52e9da586e60fd7402b0094d0687896ede45aad1dbc7bf8ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-09-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96e888771e6c300658d762a1e939e69093be58f8b74fa1380101e15bddf35e8a
[INFO] running `Command { std: "docker" "start" "-a" "96e888771e6c300658d762a1e939e69093be58f8b74fa1380101e15bddf35e8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-kernel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/beta-2024-09-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/beta-2024-09-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/beta-2024-09-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcJMbz1y/symbols.o" "/opt/rustwide/target/debug/deps/rust_kernel-734bfcd0d0132272.rust_kernel.1b5c5a0fc7e8790b-cgu.0.rcgu.o" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/beta-2024-09-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-4cf833632aafa84c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-09-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-65c2c6d2d6ae570b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-09-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-aa3eb6fd597e79f5.rlib" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2024-09-05-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_kernel-734bfcd0d0132272" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rust_kernel-734bfcd0d0132272.rust_kernel.1b5c5a0fc7e8790b-cgu.0.rcgu.o: in function `_start':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:13: multiple definition of `_start'; /usr/lib/gcc/x86_64-linux-gnu/11/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stdout]           /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/11/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
[INFO] [stdout]           (.text+0x1b): undefined reference to `main'
[INFO] [stdout]           /usr/bin/ld: (.text+0x21): undefined reference to `__libc_start_main'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-kernel` (bin "rust-kernel") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "96e888771e6c300658d762a1e939e69093be58f8b74fa1380101e15bddf35e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e888771e6c300658d762a1e939e69093be58f8b74fa1380101e15bddf35e8a", kill_on_drop: false }`
[INFO] [stdout] 96e888771e6c300658d762a1e939e69093be58f8b74fa1380101e15bddf35e8a