[INFO] cloning repository https://github.com/allends/aiproject3 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/allends/aiproject3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallends%2Faiproject3", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fallends%2Faiproject3'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da673ee07b5b71e4b2db52eacb9a6bdf50956b00 [INFO] testing allends/aiproject3 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%2Fallends%2Faiproject3" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/allends/aiproject3 [INFO] finished tweaking git repo https://github.com/allends/aiproject3 [INFO] tweaked toml for git repo https://github.com/allends/aiproject3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/allends/aiproject3 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/allends/aiproject3 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 73934af0d91151e9448be559e7a35b5ca5e4370b1ac4a11343d77160bafc695c [INFO] running `Command { std: "docker" "start" "-a" "73934af0d91151e9448be559e7a35b5ca5e4370b1ac4a11343d77160bafc695c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73934af0d91151e9448be559e7a35b5ca5e4370b1ac4a11343d77160bafc695c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73934af0d91151e9448be559e7a35b5ca5e4370b1ac4a11343d77160bafc695c", kill_on_drop: false }` [INFO] [stdout] 73934af0d91151e9448be559e7a35b5ca5e4370b1ac4a11343d77160bafc695c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9a2b7afe934bf1b53a287ed2c239bcda4e1689814e92ad662b3dc8c96f401506 [INFO] running `Command { std: "docker" "start" "-a" "9a2b7afe934bf1b53a287ed2c239bcda4e1689814e92ad662b3dc8c96f401506", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling serde_derive v1.0.143 [INFO] [stderr] Compiling libc v0.2.128 [INFO] [stderr] Compiling serde v1.0.143 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde_json v1.0.83 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling ryu v1.0.11 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling itoa v1.0.3 [INFO] [stderr] Compiling queues v1.1.0 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling getrandom v0.2.7 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling project3 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ops::RangeInclusive` [INFO] [stdout] --> src/math.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::RangeInclusive; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::make_distance_map_sheep` [INFO] [stdout] --> src/simulations.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::make_distance_map_sheep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::math::model_1` [INFO] [stdout] --> src/simulations.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use crate::math::model_1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hash::Hash` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::hash::Hash; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `load_distance_data`, `load_partitioned_data`, and `save_distance_data` [INFO] [stdout] --> src/main.rs:12:19 [INFO] [stdout] | [INFO] [stdout] 12 | use crate::data::{load_partitioned_data, load_distance_data, save_distance_data}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Field` [INFO] [stdout] --> src/main.rs:13:25 [INFO] [stdout] | [INFO] [stdout] 13 | use crate::field::{Dog, Field, Sheep}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `loss` and `model_1` [INFO] [stdout] --> src/main.rs:18:18 [INFO] [stdout] | [INFO] [stdout] 18 | dot_product, loss, model_1, model_2, scalar_multiple, vector_subtraction, weighted_loss, bfs_dog, [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sheep_square` [INFO] [stdout] --> src/math.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let sheep_square = sheep_to_center * sheep_to_center; [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sheep_square` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/solve_markov.rs:36:26 [INFO] [stdout] | [INFO] [stdout] 36 | Some(e) => (), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data_file` [INFO] [stdout] --> src/main.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 145 | let data_file = "partitioned_data"; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_file` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `stochastic_gradient_descent` is never used [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn stochastic_gradient_descent( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_distance_map_dog` is never used [INFO] [stdout] --> src/main.rs:101:4 [INFO] [stdout] | [INFO] [stdout] 101 | fn make_distance_map_dog() -> HashMap<(Sheep, Dog), f32> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `to_key` is never used [INFO] [stdout] --> src/data.rs:23:15 [INFO] [stdout] | [INFO] [stdout] 23 | pub(crate) fn to_key(key: (Sheep, Dog)) -> String { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `save_utility_map` is never used [INFO] [stdout] --> src/data.rs:31:15 [INFO] [stdout] | [INFO] [stdout] 31 | pub(crate) fn save_utility_map>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `partition_data` is never used [INFO] [stdout] --> src/data.rs:77:15 [INFO] [stdout] | [INFO] [stdout] 77 | pub(crate) fn partition_data( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `save_partitioned_data` is never used [INFO] [stdout] --> src/data.rs:106:15 [INFO] [stdout] | [INFO] [stdout] 106 | pub(crate) fn save_partitioned_data>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `load_partitioned_data` is never used [INFO] [stdout] --> src/data.rs:127:15 [INFO] [stdout] | [INFO] [stdout] 127 | pub(crate) fn load_partitioned_data>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `save_distance_data` is never used [INFO] [stdout] --> src/data.rs:146:15 [INFO] [stdout] | [INFO] [stdout] 146 | pub(crate) fn save_distance_data>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `load_distance_data` is never used [INFO] [stdout] --> src/data.rs:166:15 [INFO] [stdout] | [INFO] [stdout] 166 | pub(crate) fn load_distance_data>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `loss` is never used [INFO] [stdout] --> src/math.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | pub(crate) fn loss(data: &Vec<((Sheep, Dog), f32)>, model: (f32, f32, f32, f32, f32)) -> f32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `weighted_loss` is never used [INFO] [stdout] --> src/math.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) fn weighted_loss( [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `model_1` is never used [INFO] [stdout] --> src/math.rs:32:15 [INFO] [stdout] | [INFO] [stdout] 32 | pub(crate) fn model_1(state: (Sheep, Dog)) -> (f32, f32, f32, f32, f32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `scalar_multiple` is never used [INFO] [stdout] --> src/math.rs:162:15 [INFO] [stdout] | [INFO] [stdout] 162 | pub(crate) fn scalar_multiple( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vector_subtraction` is never used [INFO] [stdout] --> src/math.rs:175:15 [INFO] [stdout] | [INFO] [stdout] 175 | pub(crate) fn vector_subtraction( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_best_starting_location` is never used [INFO] [stdout] --> src/simulations.rs:15:15 [INFO] [stdout] | [INFO] [stdout] 15 | pub(crate) fn find_best_starting_location(map: &HashMap<(Sheep, Dog), f32>) -> Field { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run_simulation` is never used [INFO] [stdout] --> src/simulations.rs:55:15 [INFO] [stdout] | [INFO] [stdout] 55 | pub(crate) fn run_simulation(map: &HashMap<(Sheep, Dog), f32>) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/math.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | queue.add(field.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 62 | let _ = queue.add(field.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/math.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | queue.add(child.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 77 | let _ = queue.add(child.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/math.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 97 | queue.add(field.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 97 | let _ = queue.add(field.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/math.rs:121:17 [INFO] [stdout] | [INFO] [stdout] 121 | queue.add(child.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 121 | let _ = queue.add(child.clone()); [INFO] [stdout] | +++++++ [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/rustcNsUPaa/symbols.o" "<7 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{libcsv-034ac636fc3ec184.rlib,libitoa-7c9a83f6047c872a.rlib,libcsv_core-73b52fcff2108016.rlib,libbstr-bfe20c864ba6796d.rlib,liblazy_static-4b136fc9bfbd2c4b.rlib,libregex_automata-2f772042de7a2dcd.rlib,libmemchr-b6b881c91ed2f84b.rlib,libserde_json-767438a1bc0e5d5b.rlib,libryu-d13899e55c17b23e.rlib,libitoa-10e0d0f6ad8ac545.rlib,libserde-ee9987e28c339391.rlib,librand-23f2ddc2234b61c4.rlib,librand_chacha-9c8a8f11bf7fe356.rlib,libppv_lite86-a9f3c9ee76597f1e.rlib,librand_core-2f2905cd9e778221.rlib,libgetrandom-33ee25a91e040dcb.rlib,liblibc-f4e1f33013722607.rlib,libcfg_if-66d55f6b302e88c8.rlib,libqueues-86858d30c1738b2a.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/rustcNsUPaa/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/deps/project3-4f47a34ee79e2e34" "-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-33ee25a91e040dcb.rlib(getrandom-33ee25a91e040dcb.getrandom.b4c7fef40df01989-cgu.0.rcgu.o): in function `getrandom::util_libc::open_readonly': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.2.7/src/util_libc.rs:150:(.text._ZN9getrandom9util_libc13open_readonly17h4db8c8837ae423baE+0xbc): 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 `project3` (bin "project3") due to 1 previous error; 31 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9a2b7afe934bf1b53a287ed2c239bcda4e1689814e92ad662b3dc8c96f401506", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a2b7afe934bf1b53a287ed2c239bcda4e1689814e92ad662b3dc8c96f401506", kill_on_drop: false }` [INFO] [stdout] 9a2b7afe934bf1b53a287ed2c239bcda4e1689814e92ad662b3dc8c96f401506