[INFO] cloning repository https://github.com/nelsongillo/link-meta-via-macro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nelsongillo/link-meta-via-macro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelsongillo%2Flink-meta-via-macro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelsongillo%2Flink-meta-via-macro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae2ee00a635eae6ca0dc4d8d89a96b64102d68d2
[INFO] testing nelsongillo/link-meta-via-macro against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnelsongillo%2Flink-meta-via-macro" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/nelsongillo/link-meta-via-macro
[INFO] finished tweaking git repo https://github.com/nelsongillo/link-meta-via-macro
[INFO] tweaked toml for git repo https://github.com/nelsongillo/link-meta-via-macro written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nelsongillo/link-meta-via-macro on toolchain c066bf6804adc55193b71afdff6a56922f4a8689
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nelsongillo/link-meta-via-macro 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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56e58d4638a5c5c271b7f8e9275b6ff376ab9a0dc34ea47454fda8946b905b76
[INFO] running `Command { std: "docker" "start" "-a" "56e58d4638a5c5c271b7f8e9275b6ff376ab9a0dc34ea47454fda8946b905b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56e58d4638a5c5c271b7f8e9275b6ff376ab9a0dc34ea47454fda8946b905b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e58d4638a5c5c271b7f8e9275b6ff376ab9a0dc34ea47454fda8946b905b76", kill_on_drop: false }`
[INFO] [stdout] 56e58d4638a5c5c271b7f8e9275b6ff376ab9a0dc34ea47454fda8946b905b76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3141155d589aa4f9f7eb6b197fef5ddf7732bf9ff0f29012062dbbc6758b8c41
[INFO] running `Command { std: "docker" "start" "-a" "3141155d589aa4f9f7eb6b197fef5ddf7732bf9ff0f29012062dbbc6758b8c41", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling candy-wrapper v0.1.0 (/opt/rustwide/workdir/candy-wrapper)
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling macros v0.1.0 (/opt/rustwide/workdir/candy-wrapper/macros)
[INFO] [stderr]    Compiling link-meta-via-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `foo` is never used
[INFO] [stdout]  --> src/main.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn foo();
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/rcrt1.o" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crti.o" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtbeginS.o" "/tmp/rustcldQwmI/symbols.o" "<1 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{libcandy_wrapper-34e111eef9ce2cfa.rlib}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/{libcore-*,libcompiler_builtins-*}.rlib" "-L" "/tmp/rustcldQwmI/raw-dylibs" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-nostartfiles" "-L" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/candy-wrapper-5a974f875a5ee431/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/link_meta_via_macro-b475dcada291bc90" "-Wl,--gc-sections" "-static-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtendS.o" "<sysroot>/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtn.o"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/link_meta_via_macro-b475dcada291bc90.link_meta_via_macro.ea0edf2197373b91-cgu.0.rcgu.o: in function `_start':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:15: multiple definition of `_start'; /opt/rustwide/rustup-home/toolchains/c066bf6804adc55193b71afdff6a56922f4a8689/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/rcrt1.o:rcrt1.c:(.text+0x0): first defined here
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/rustup-home/toolchains/c066bf6804adc55193b71afdff6a56922f4a8689/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/rcrt1.o: in function `__dls2':
[INFO] [stdout]           /build/musl-cross-make/build/local/x86_64-linux-musl/obj_musl/../src_musl/crt/rcrt1.c:13:(.text.__dls2+0x1b): undefined reference to `main'
[INFO] [stdout]           /usr/bin/ld: /build/musl-cross-make/build/local/x86_64-linux-musl/obj_musl/../src_musl/crt/rcrt1.c:13:(.text.__dls2+0x20): 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] [stderr] error: could not compile `link-meta-via-macro` (bin "link-meta-via-macro") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3141155d589aa4f9f7eb6b197fef5ddf7732bf9ff0f29012062dbbc6758b8c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3141155d589aa4f9f7eb6b197fef5ddf7732bf9ff0f29012062dbbc6758b8c41", kill_on_drop: false }`
[INFO] [stdout] 3141155d589aa4f9f7eb6b197fef5ddf7732bf9ff0f29012062dbbc6758b8c41