[INFO] cloning repository https://github.com/dandelion-blanc/practice15_asynchronous [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dandelion-blanc/practice15_asynchronous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdandelion-blanc%2Fpractice15_asynchronous'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e770e3b496e208856dd9605fa3bc88aff9f66bd0 [INFO] testing dandelion-blanc/practice15_asynchronous 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%2Fdandelion-blanc%2Fpractice15_asynchronous" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/dandelion-blanc/practice15_asynchronous [INFO] finished tweaking git repo https://github.com/dandelion-blanc/practice15_asynchronous [INFO] tweaked toml for git repo https://github.com/dandelion-blanc/practice15_asynchronous written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/dandelion-blanc/practice15_asynchronous 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/dandelion-blanc/practice15_asynchronous 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fe0449f1847e85b5c8d32df81d31b45c7e4123aa332c3458ae36fbdbe651b209 [INFO] running `Command { std: "docker" "start" "-a" "fe0449f1847e85b5c8d32df81d31b45c7e4123aa332c3458ae36fbdbe651b209", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fe0449f1847e85b5c8d32df81d31b45c7e4123aa332c3458ae36fbdbe651b209", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe0449f1847e85b5c8d32df81d31b45c7e4123aa332c3458ae36fbdbe651b209", kill_on_drop: false }` [INFO] [stdout] fe0449f1847e85b5c8d32df81d31b45c7e4123aa332c3458ae36fbdbe651b209 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b99bf59c8a6cca51f64d9289a126c7ebf205b3e90c5dcdd760213a13e91b2aa3 [INFO] running `Command { std: "docker" "start" "-a" "b99bf59c8a6cca51f64d9289a126c7ebf205b3e90c5dcdd760213a13e91b2aa3", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling lock_api v0.4.4 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling pin-project-lite v0.2.6 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.4 [INFO] [stderr] Compiling memoffset v0.6.3 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.4 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling async-recursion v0.3.2 [INFO] [stderr] Compiling tokio-stream v0.1.6 [INFO] [stderr] Compiling practice15_asynchronous v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.40s [INFO] running `Command { std: "docker" "inspect" "b99bf59c8a6cca51f64d9289a126c7ebf205b3e90c5dcdd760213a13e91b2aa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b99bf59c8a6cca51f64d9289a126c7ebf205b3e90c5dcdd760213a13e91b2aa3", kill_on_drop: false }` [INFO] [stdout] b99bf59c8a6cca51f64d9289a126c7ebf205b3e90c5dcdd760213a13e91b2aa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 57668fb4d6297fac47869df3142581781a98a3497d56da47d35da1076021faf8 [INFO] running `Command { std: "docker" "start" "-a" "57668fb4d6297fac47869df3142581781a98a3497d56da47d35da1076021faf8", kill_on_drop: false }` [INFO] [stderr] Compiling practice15_asynchronous v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tokio::runtime` [INFO] [stdout] --> examples/short_asynchronous.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use tokio::runtime; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread::sleep` [INFO] [stdout] --> examples/rayon_tokio.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> examples/rayon_tokio.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `oneshot` [INFO] [stdout] --> examples/tokio_channel.rs:4:25 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::sync::{mpsc, oneshot}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> examples/tokio_channel.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `thread::sleep` [INFO] [stdout] --> examples/rayon_iter.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> examples/rayon_iter.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `some_palallel_once` is never used [INFO] [stdout] --> examples/short_asynchronous.rs:10:10 [INFO] [stdout] | [INFO] [stdout] 10 | async fn some_palallel_once() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `some_palallel` is never used [INFO] [stdout] --> examples/short_asynchronous.rs:30:10 [INFO] [stdout] | [INFO] [stdout] 30 | async fn some_palallel() [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_once` is never used [INFO] [stdout] --> examples/short_rayon.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn spawn_once() [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_parallel` is never used [INFO] [stdout] --> examples/short_rayon.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn spawn_parallel() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `par_iter` is never used [INFO] [stdout] --> examples/short_rayon.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn par_iter() [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sphere` is never used [INFO] [stdout] --> examples/small_multi_task.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | async fn sphere(x :&[f64]) -> f64 [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sig_arc` [INFO] [stdout] --> examples/tokio_channel.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let sig_arc = Arc::new(&sig); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sig_arc` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/tokio_channel.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut sig = false; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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/rustcgXo7TK/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{librand-3ffc37da138bd9fc.rlib,librand_chacha-22fab3f0a5224659.rlib,libppv_lite86-5a92c3ab26105205.rlib,librand_core-f15f93f857b81b8a.rlib,libgetrandom-64ee75073cd41be2.rlib,librayon-2c3e9497e501bcd5.rlib,librayon_core-c4a7cf9cb21fc2e3.rlib,libnum_cpus-7d9b79468643db10.rlib,liblibc-c091619168bee0d3.rlib,libcrossbeam_deque-cab33a3f07ea02b8.rlib,libcrossbeam_epoch-9f287bf2b645626d.rlib,libmemoffset-032d12bb14e01a4e.rlib,libscopeguard-73056285f12cb829.rlib,libcrossbeam_channel-ffe84ad7e4d4f2eb.rlib,libcrossbeam_utils-3a4b85d899178166.rlib,liblazy_static-4b136fc9bfbd2c4b.rlib,libcfg_if-66d55f6b302e88c8.rlib,libeither-e8a0ef7222037a64.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/rustcgXo7TK/raw-dylibs" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-nostartfiles" "-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/examples/rayon_iter-7b08824b6f7fa6ac" "-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-64ee75073cd41be2.rlib(getrandom-64ee75073cd41be2.getrandom.46ce0837886ffc2d-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_readonly17h85eda29b0406c2bcE+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 `practice15_asynchronous` (example "rayon_iter") due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/rustcxXLHAO/symbols.o" "<5 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{librand-3ffc37da138bd9fc.rlib,librand_chacha-22fab3f0a5224659.rlib,libppv_lite86-5a92c3ab26105205.rlib,librand_core-f15f93f857b81b8a.rlib,libgetrandom-64ee75073cd41be2.rlib,libtokio-de8afe45e751d023.rlib,libsignal_hook_registry-1cfc2137a0014dcd.rlib,libmemchr-fc6b316872a7c794.rlib,libonce_cell-a3308e77ab1abc42.rlib,libbytes-f5f6908afbf67346.rlib,libmio-256508db99cc89a4.rlib,liblog-2fa663e3959e676f.rlib,libpin_project_lite-4390088538166d84.rlib,libparking_lot-3f7fda0ef03b9843.rlib,libparking_lot_core-3c40a3d805896796.rlib,libsmallvec-a0b9fe2bb61c7c93.rlib,liblock_api-8a3a9ae637979500.rlib,libinstant-96e83b871cb6a3bd.rlib,librayon-2c3e9497e501bcd5.rlib,librayon_core-c4a7cf9cb21fc2e3.rlib,libnum_cpus-7d9b79468643db10.rlib,liblibc-c091619168bee0d3.rlib,libcrossbeam_deque-cab33a3f07ea02b8.rlib,libcrossbeam_epoch-9f287bf2b645626d.rlib,libmemoffset-032d12bb14e01a4e.rlib,libscopeguard-73056285f12cb829.rlib,libcrossbeam_channel-ffe84ad7e4d4f2eb.rlib,libcrossbeam_utils-3a4b85d899178166.rlib,liblazy_static-4b136fc9bfbd2c4b.rlib,libcfg_if-66d55f6b302e88c8.rlib,libeither-e8a0ef7222037a64.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/rustcxXLHAO/raw-dylibs" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-nostartfiles" "-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/examples/rayon_tokio-f779ea8fec50d23b" "-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-64ee75073cd41be2.rlib(getrandom-64ee75073cd41be2.getrandom.46ce0837886ffc2d-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_readonly17h85eda29b0406c2bcE+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 `practice15_asynchronous` (example "rayon_tokio") due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "57668fb4d6297fac47869df3142581781a98a3497d56da47d35da1076021faf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57668fb4d6297fac47869df3142581781a98a3497d56da47d35da1076021faf8", kill_on_drop: false }` [INFO] [stdout] 57668fb4d6297fac47869df3142581781a98a3497d56da47d35da1076021faf8