[INFO] fetching crate libarc2 0.6.0...
[INFO] testing libarc2-0.6.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate libarc2 0.6.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate libarc2 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate libarc2 0.6.0
[INFO] tweaked toml for crates.io crate libarc2 0.6.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libarc2 0.6.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr]       Adding serial_test v0.4.0 (available: v3.2.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test_derive v0.4.0
[INFO] [stderr]   Downloaded serial_test v0.4.0
[INFO] [stderr]   Downloaded beastlink v1.0.0
[INFO] [stderr]   Downloaded parking_lot_core v0.7.3
[INFO] [stderr]   Downloaded parking_lot v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b81969f468d951afb8052b197acdc2cabd70f7847a228558b349f108aac9526
[INFO] running `Command { std: "docker" "start" "-a" "9b81969f468d951afb8052b197acdc2cabd70f7847a228558b349f108aac9526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b81969f468d951afb8052b197acdc2cabd70f7847a228558b349f108aac9526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b81969f468d951afb8052b197acdc2cabd70f7847a228558b349f108aac9526", kill_on_drop: false }`
[INFO] [stdout] 9b81969f468d951afb8052b197acdc2cabd70f7847a228558b349f108aac9526
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43cc04b709c3d51ff2859c4d91c5c269ab5e233f757866032665ef74f27bd921
[INFO] running `Command { std: "docker" "start" "-a" "43cc04b709c3d51ff2859c4d91c5c269ab5e233f757866032665ef74f27bd921", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling beastlink v1.0.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling libarc2 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/instrument.rs:1364:54
[INFO] [stdout]      |
[INFO] [stdout] 1364 |             self.amp_prep(Some(&input.iter().map(|c| (c.0 as usize)).collect::<Vec<_>>()))?;
[INFO] [stdout]      |                                                      ^            ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1364 -             self.amp_prep(Some(&input.iter().map(|c| (c.0 as usize)).collect::<Vec<_>>()))?;
[INFO] [stdout] 1364 +             self.amp_prep(Some(&input.iter().map(|c| c.0 as usize).collect::<Vec<_>>()))?;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `dummy` is never used
[INFO] [stdout]   --> src/memory.rs:77:19
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Chunk {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub(crate) fn dummy() -> Self {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `total_blocks` is never read
[INFO] [stdout]    --> src/memory.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub(crate) struct MemMan {
[INFO] [stdout]     |                   ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 144 |     total_blocks: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]    --> src/memory.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | impl MemMan {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 170 |     fn next(&self) -> Option<u32> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_indices` is never used
[INFO] [stdout]     --> src/registers.rs:1702:19
[INFO] [stdout]      |
[INFO] [stdout] 1696 | impl DACVoltageMask {
[INFO] [stdout]      | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1702 |     pub(crate) fn from_indices(indices: &[usize]) -> Self {
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wx5` is never constructed
[INFO] [stdout]   --> src/registers.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub struct Wx5;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wx6` is never constructed
[INFO] [stdout]   --> src/registers.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub struct Wx6;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wx7` is never constructed
[INFO] [stdout]   --> src/registers.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub struct Wx7;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.51s
[INFO] running `Command { std: "docker" "inspect" "43cc04b709c3d51ff2859c4d91c5c269ab5e233f757866032665ef74f27bd921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43cc04b709c3d51ff2859c4d91c5c269ab5e233f757866032665ef74f27bd921", kill_on_drop: false }`
[INFO] [stdout] 43cc04b709c3d51ff2859c4d91c5c269ab5e233f757866032665ef74f27bd921
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3910a988f38c89a853fe435c152b5c258b16098aecd5e971dddd2c14a58b4492
[INFO] running `Command { std: "docker" "start" "-a" "3910a988f38c89a853fe435c152b5c258b16098aecd5e971dddd2c14a58b4492", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.3
[INFO] [stderr]    Compiling serial_test_derive v0.4.0
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/instrument.rs:1364:54
[INFO] [stdout]      |
[INFO] [stdout] 1364 |             self.amp_prep(Some(&input.iter().map(|c| (c.0 as usize)).collect::<Vec<_>>()))?;
[INFO] [stdout]      |                                                      ^            ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1364 -             self.amp_prep(Some(&input.iter().map(|c| (c.0 as usize)).collect::<Vec<_>>()))?;
[INFO] [stdout] 1364 +             self.amp_prep(Some(&input.iter().map(|c| c.0 as usize).collect::<Vec<_>>()))?;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `dummy` is never used
[INFO] [stdout]   --> src/memory.rs:77:19
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Chunk {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub(crate) fn dummy() -> Self {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `total_blocks` is never read
[INFO] [stdout]    --> src/memory.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub(crate) struct MemMan {
[INFO] [stdout]     |                   ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 144 |     total_blocks: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]    --> src/memory.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | impl MemMan {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 170 |     fn next(&self) -> Option<u32> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_indices` is never used
[INFO] [stdout]     --> src/registers.rs:1702:19
[INFO] [stdout]      |
[INFO] [stdout] 1696 | impl DACVoltageMask {
[INFO] [stdout]      | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1702 |     pub(crate) fn from_indices(indices: &[usize]) -> Self {
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wx5` is never constructed
[INFO] [stdout]   --> src/registers.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub struct Wx5;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wx6` is never constructed
[INFO] [stdout]   --> src/registers.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub struct Wx6;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wx7` is never constructed
[INFO] [stdout]   --> src/registers.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub struct Wx7;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling serial_test v0.4.0
[INFO] [stderr]    Compiling libarc2 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/instrument.rs:1364:54
[INFO] [stdout]      |
[INFO] [stdout] 1364 |             self.amp_prep(Some(&input.iter().map(|c| (c.0 as usize)).collect::<Vec<_>>()))?;
[INFO] [stdout]      |                                                      ^            ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1364 -             self.amp_prep(Some(&input.iter().map(|c| (c.0 as usize)).collect::<Vec<_>>()))?;
[INFO] [stdout] 1364 +             self.amp_prep(Some(&input.iter().map(|c| c.0 as usize).collect::<Vec<_>>()))?;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcrfXxF3/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libserial_test-825b6c5485c67f72,libparking_lot-c234dd4340a4f7c0,libparking_lot_core-b110bca9452cbfe9,libsmallvec-5cdc21786420a6a9,libcfg_if-58fd97f14b494f93,liblock_api-ef37968a4b09b522,libscopeguard-0e30e6315ecc2b6d,liblibarc2-955c29416adb0730,libbitflags-3333d968e5f279ee,libbitvec-8563d6e35b90002a,libwyz-e63a692084cdb0bf,libtap-396682a914e3df3c,libradium-5a1ebb3d3fa18ade,libfunty-429e06f0ec3e49e2,libspin_sleep-017d54ec7fb0055e,libthiserror-d715005aea3c67f2,libbeastlink-45f4584f1aefa244,liblibc-08aef465eb552f81,libnum_traits-a54c412c0a86aecc,liblazy_static-509a3481d98abb23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lbeastlink-1.0" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcrfXxF3/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/hardware-3681e08c8501745d" "-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: unable to find library -lbeastlink-1.0
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libarc2` (test "hardware") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/memory.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         for i in 0..u32::MAX {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `dummy` is never used
[INFO] [stdout]   --> src/memory.rs:77:19
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Chunk {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub(crate) fn dummy() -> Self {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_indices` is never used
[INFO] [stdout]     --> src/registers.rs:1702:19
[INFO] [stdout]      |
[INFO] [stdout] 1696 | impl DACVoltageMask {
[INFO] [stdout]      | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1702 |     pub(crate) fn from_indices(indices: &[usize]) -> Self {
[INFO] [stdout]      |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wx5` is never constructed
[INFO] [stdout]   --> src/registers.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub struct Wx5;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wx6` is never constructed
[INFO] [stdout]   --> src/registers.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub struct Wx6;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Wx7` is never constructed
[INFO] [stdout]   --> src/registers.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub struct Wx7;
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/memory.rs:305:9
[INFO] [stdout]     |
[INFO] [stdout] 305 |         manager.free_chunk(&mut chunk1);
[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] 305 |         let _ = manager.free_chunk(&mut chunk1);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustc0QHGgr/symbols.o" "<6 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libbitflags-3333d968e5f279ee,libbitvec-8563d6e35b90002a,libwyz-e63a692084cdb0bf,libtap-396682a914e3df3c,libradium-5a1ebb3d3fa18ade,libfunty-429e06f0ec3e49e2,libspin_sleep-017d54ec7fb0055e,libthiserror-d715005aea3c67f2,libbeastlink-45f4584f1aefa244,liblibc-08aef465eb552f81,libnum_traits-a54c412c0a86aecc,libassert_matches-59c02a1e206869a4,liblazy_static-509a3481d98abb23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lbeastlink-1.0" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustc0QHGgr/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/libarc2-7fc96f4ea0b30555" "-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: unable to find library -lbeastlink-1.0
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libarc2` (lib test) due to 1 previous error; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3910a988f38c89a853fe435c152b5c258b16098aecd5e971dddd2c14a58b4492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3910a988f38c89a853fe435c152b5c258b16098aecd5e971dddd2c14a58b4492", kill_on_drop: false }`
[INFO] [stdout] 3910a988f38c89a853fe435c152b5c258b16098aecd5e971dddd2c14a58b4492