[INFO] cloning repository https://github.com/brook-bang/blog_os [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brook-bang/blog_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrook-bang%2Fblog_os", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrook-bang%2Fblog_os'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 70ed468b723c4938abfd8abd16e6a3818dd6efd5 [INFO] testing brook-bang/blog_os against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrook-bang%2Fblog_os" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/brook-bang/blog_os [INFO] finished tweaking git repo https://github.com/brook-bang/blog_os [INFO] tweaked toml for git repo https://github.com/brook-bang/blog_os written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/brook-bang/blog_os 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/brook-bang/blog_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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: unstable [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7981cb24e97d80c5f964f259949b14abf630db4c63978bea6993b9ada7d39c60 [INFO] running `Command { std: "docker" "start" "-a" "7981cb24e97d80c5f964f259949b14abf630db4c63978bea6993b9ada7d39c60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7981cb24e97d80c5f964f259949b14abf630db4c63978bea6993b9ada7d39c60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7981cb24e97d80c5f964f259949b14abf630db4c63978bea6993b9ada7d39c60", kill_on_drop: false }` [INFO] [stdout] 7981cb24e97d80c5f964f259949b14abf630db4c63978bea6993b9ada7d39c60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 377a7f75e1cc695118759c94edcced19143fc7f459e23e4db5b35f16b60ef486 [INFO] running `Command { std: "docker" "start" "-a" "377a7f75e1cc695118759c94edcced19143fc7f459e23e4db5b35f16b60ef486", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: unstable [INFO] [stderr] Compiling bootloader v0.9.29 [INFO] [stderr] Compiling blog_os v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `blog_os` (bin "blog_os") due to 1 previous error [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcKcpy9T/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/rustcKcpy9T/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/blog_os-391811db8e6b3236" "-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:14 (src/main.rs:14) [INFO] [stdout] >>> /opt/rustwide/target/debug/deps/blog_os-391811db8e6b3236.blog_os.86b7b230cc2d1a81-cgu.0.rcgu.o:(.text._start+0x0) [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "377a7f75e1cc695118759c94edcced19143fc7f459e23e4db5b35f16b60ef486", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "377a7f75e1cc695118759c94edcced19143fc7f459e23e4db5b35f16b60ef486", kill_on_drop: false }` [INFO] [stdout] 377a7f75e1cc695118759c94edcced19143fc7f459e23e4db5b35f16b60ef486