[INFO] cloning repository https://github.com/yuk1ty/learning-systems-programming-in-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuk1ty/learning-systems-programming-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Flearning-systems-programming-in-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuk1ty%2Flearning-systems-programming-in-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ecae58c5a18ee0dcd33f602218de0b88e7570950 [INFO] testing yuk1ty/learning-systems-programming-in-rust 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%2Fyuk1ty%2Flearning-systems-programming-in-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/yuk1ty/learning-systems-programming-in-rust [INFO] finished tweaking git repo https://github.com/yuk1ty/learning-systems-programming-in-rust [INFO] tweaked toml for git repo https://github.com/yuk1ty/learning-systems-programming-in-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/yuk1ty/learning-systems-programming-in-rust 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/yuk1ty/learning-systems-programming-in-rust 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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8c10de721f8250ac3daa3a05b25f894a62474a9edac89ff66e5148c5018ca28b [INFO] running `Command { std: "docker" "start" "-a" "8c10de721f8250ac3daa3a05b25f894a62474a9edac89ff66e5148c5018ca28b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c10de721f8250ac3daa3a05b25f894a62474a9edac89ff66e5148c5018ca28b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c10de721f8250ac3daa3a05b25f894a62474a9edac89ff66e5148c5018ca28b", kill_on_drop: false }` [INFO] [stdout] 8c10de721f8250ac3daa3a05b25f894a62474a9edac89ff66e5148c5018ca28b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 370e4b2ee518007d6efeda90194ba87c00581f53ef91b7d6fdc244af2e015a5a [INFO] running `Command { std: "docker" "start" "-a" "370e4b2ee518007d6efeda90194ba87c00581f53ef91b7d6fdc244af2e015a5a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling httparse v1.4.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling sysinfo v0.18.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling tokio v1.6.0 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling flate2 v1.0.20 [INFO] [stderr] Compiling bzip2-sys v0.1.10+1.0.8 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling nix v0.21.0 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling filetime v0.2.14 [INFO] [stderr] Compiling nix v0.20.0 [INFO] [stderr] Compiling memmap2 v0.2.2 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling lib v0.1.0 (/opt/rustwide/workdir/lib) [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling chapter7 v0.1.0 (/opt/rustwide/workdir/chapter7) [INFO] [stderr] Compiling chapter17 v0.1.0 (/opt/rustwide/workdir/chapter17) [INFO] [stderr] Compiling chapter6 v0.1.0 (/opt/rustwide/workdir/chapter6) [INFO] [stderr] Compiling chapter9 v0.1.0 (/opt/rustwide/workdir/chapter9) [INFO] [stderr] Compiling appendix v0.1.0 (/opt/rustwide/workdir/appendix) [INFO] [stderr] Compiling chapter8 v0.1.0 (/opt/rustwide/workdir/chapter8) [INFO] [stderr] Compiling chapter1 v0.1.0 (/opt/rustwide/workdir/chapter1) [INFO] [stderr] Compiling chapter15 v0.1.0 (/opt/rustwide/workdir/chapter15) [INFO] [stderr] Compiling chapter13 v0.1.0 (/opt/rustwide/workdir/chapter13) [INFO] [stderr] Compiling chapter12 v0.1.0 (/opt/rustwide/workdir/chapter12) [INFO] [stderr] Compiling chapter16 v0.1.0 (/opt/rustwide/workdir/chapter16) [INFO] [stderr] Compiling chapter14 v0.1.0 (/opt/rustwide/workdir/chapter14) [INFO] [stderr] Compiling chapter5 v0.1.0 (/opt/rustwide/workdir/chapter5) [INFO] [stderr] Compiling chapter2 v0.1.0 (/opt/rustwide/workdir/chapter2) [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> chapter2/src/2_4_3/main.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | IoError(std::io::Error), [INFO] [stdout] | ------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `BufferError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 6 - IoError(std::io::Error), [INFO] [stdout] 6 + IoError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> chapter2/src/2_4_3/main.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | StrError(str::Utf8Error), [INFO] [stdout] | -------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `BufferError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 - StrError(str::Utf8Error), [INFO] [stdout] 7 + StrError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling chapter11 v0.1.0 (/opt/rustwide/workdir/chapter11) [INFO] [stderr] Compiling chapter10 v0.1.0 (/opt/rustwide/workdir/chapter10) [INFO] [stderr] Compiling thiserror v1.0.24 [INFO] [stderr] Compiling zip v0.5.12 [INFO] [stderr] Compiling chapter3 v0.1.0 (/opt/rustwide/workdir/chapter3) [INFO] [stdout] warning: fields `name` and `value` are never read [INFO] [stdout] --> chapter3/src/3_4_3/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct HeaderOwn { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 8 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 9 | value: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HeaderOwn` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/rcrt1.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crti.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtbeginS.o" "/tmp/rustcUhZw1q/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{librand-54156fd5631bda37.rlib,librand_chacha-1a82b066d5c8f13a.rlib,libppv_lite86-5a92c3ab26105205.rlib,librand_core-f17b93bd349a8551.rlib,libgetrandom-1727e1830751962d.rlib,liblibc-f6abbb864a407479.rlib,libcfg_if-66d55f6b302e88c8.rlib}.rlib" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*}.rlib" "-lunwind" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libcfg_if-*,liblibc-*}.rlib" "-lc" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/tmp/rustcUhZw1q/raw-dylibs" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-nostartfiles" "-L" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/build/bzip2-sys-ccc0ecd55905d2f6/out/lib" "-L" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained" "-L" "/lib/rustlib/x86_64-unknown-linux-musl/lib" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/3_9_2-602a269660491a3e" "-Wl,--gc-sections" "-static-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtendS.o" "/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/libgetrandom-1727e1830751962d.rlib(getrandom-1727e1830751962d.getrandom.110b74a4c206dc07-cgu.0.rcgu.o): in function `getrandom::util_libc::open_readonly': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.2.2/src/util_libc.rs:110:(.text._ZN9getrandom9util_libc13open_readonly17hcd1e288ec93ebf62E+0xb6): undefined reference to `open64' [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 `chapter3` (bin "3_9_2") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "370e4b2ee518007d6efeda90194ba87c00581f53ef91b7d6fdc244af2e015a5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "370e4b2ee518007d6efeda90194ba87c00581f53ef91b7d6fdc244af2e015a5a", kill_on_drop: false }` [INFO] [stdout] 370e4b2ee518007d6efeda90194ba87c00581f53ef91b7d6fdc244af2e015a5a