[INFO] cloning repository https://github.com/technetos/kernel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/technetos/kernel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnetos%2Fkernel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnetos%2Fkernel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e67f5b6df7093b3981abb9b8a0ca2c2483fc9767 [INFO] testing technetos/kernel against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnetos%2Fkernel" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/technetos/kernel [INFO] finished tweaking git repo https://github.com/technetos/kernel [INFO] tweaked toml for git repo https://github.com/technetos/kernel written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/technetos/kernel on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/technetos/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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88fa44d11ebbc15e7444b9dc08d15f215a7c8007718323525e61072e78e07a99 [INFO] running `Command { std: "docker" "start" "-a" "88fa44d11ebbc15e7444b9dc08d15f215a7c8007718323525e61072e78e07a99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88fa44d11ebbc15e7444b9dc08d15f215a7c8007718323525e61072e78e07a99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88fa44d11ebbc15e7444b9dc08d15f215a7c8007718323525e61072e78e07a99", kill_on_drop: false }` [INFO] [stdout] 88fa44d11ebbc15e7444b9dc08d15f215a7c8007718323525e61072e78e07a99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca2898fd8ce09fcaaeae169c1db2358cccd15d5114207b767cf64bc6ba7504c9 [INFO] running `Command { std: "docker" "start" "-a" "ca2898fd8ce09fcaaeae169c1db2358cccd15d5114207b767cf64bc6ba7504c9", kill_on_drop: false }` [INFO] [stderr] Compiling bootloader v0.8.9 [INFO] [stderr] Compiling operating_system v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `ColorCode` is never constructed [INFO] [stdout] --> src/vga_buffer.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct ColorCode(u8); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/vga_buffer.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 27 | impl ColorCode { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 28 | fn new(foreground: Color, background: Color) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ScreenChar` is never constructed [INFO] [stdout] --> src/vga_buffer.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | struct ScreenChar { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcloCRu4/symbols.o" "<1 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libcore-*,libcompiler_builtins-*}.rlib" "-L" "/tmp/rustcloCRu4/raw-dylibs" "-Wl,-Bdynamic" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/operating_system-c144bcdde0f0204f" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: rust-lld: error: duplicate symbol: _start [INFO] [stdout] >>> defined at /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start) [INFO] [stdout] >>> defined at main.rs:18 (src/main.rs:18) [INFO] [stdout] >>> /opt/rustwide/target/debug/deps/operating_system-c144bcdde0f0204f.operating_system.3b99817b2ddf55ae-cgu.0.rcgu.o:(.text._start+0x0) [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `operating_system` (bin "operating_system") due to 1 previous error; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ca2898fd8ce09fcaaeae169c1db2358cccd15d5114207b767cf64bc6ba7504c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca2898fd8ce09fcaaeae169c1db2358cccd15d5114207b767cf64bc6ba7504c9", kill_on_drop: false }` [INFO] [stdout] ca2898fd8ce09fcaaeae169c1db2358cccd15d5114207b767cf64bc6ba7504c9