[INFO] fetching crate libarc2 0.6.0...
[INFO] testing libarc2-0.6.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate libarc2 0.6.0 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libarc2 0.6.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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: v2.11.0)
[INFO] [stderr]       Adding serial_test v0.4.0 (available: v3.4.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec63e2f0a03dbb977ac9ff61d8b178f2839d962d4e44e3abf94c136c469fa2ff
[INFO] running `Command { std: "docker" "start" "-a" "ec63e2f0a03dbb977ac9ff61d8b178f2839d962d4e44e3abf94c136c469fa2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec63e2f0a03dbb977ac9ff61d8b178f2839d962d4e44e3abf94c136c469fa2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec63e2f0a03dbb977ac9ff61d8b178f2839d962d4e44e3abf94c136c469fa2ff", kill_on_drop: false }`
[INFO] [stdout] ec63e2f0a03dbb977ac9ff61d8b178f2839d962d4e44e3abf94c136c469fa2ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ff96c037e5f4a667280369d376a504174f9fa4e3bd8b7e76d90e1fdf564b407
[INFO] running `Command { std: "docker" "start" "-a" "5ff96c037e5f4a667280369d376a504174f9fa4e3bd8b7e76d90e1fdf564b407", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling beastlink v1.0.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling spin_sleep v1.3.3
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling num-derive v0.3.3
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 12.46s
[INFO] running `Command { std: "docker" "inspect" "5ff96c037e5f4a667280369d376a504174f9fa4e3bd8b7e76d90e1fdf564b407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff96c037e5f4a667280369d376a504174f9fa4e3bd8b7e76d90e1fdf564b407", kill_on_drop: false }`
[INFO] [stdout] 5ff96c037e5f4a667280369d376a504174f9fa4e3bd8b7e76d90e1fdf564b407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90ba58dce9fbc2592d90b01e1a1638eec0e42170f3f8e08f59d1078d97077a24
[INFO] running `Command { std: "docker" "start" "-a" "90ba58dce9fbc2592d90b01e1a1638eec0e42170f3f8e08f59d1078d97077a24", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.3.4
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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" "/opt/rustwide/target/debug/deps/rustc6c0mgI/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libserial_test-2786d0cc6c7e73fd,libparking_lot-d575728eb99662e3,libparking_lot_core-62e7eb0884f8e46f,libsmallvec-45f6e3b8047adea1,libcfg_if-7e9efee4241be1ca,liblock_api-50c4197098cbfabb,libscopeguard-d52bd00767847e44,liblibarc2-2cbfc263cddbeeec,libbitflags-e2b4db6c651223da,libbitvec-7b6d799c6dcd1507,libwyz-13ba7a1c3ba60555,libtap-a03b11bfa148d0b2,libradium-adfcc51556c325ed,libfunty-e395759ffae18036,libspin_sleep-18d6d8e3f88324d8,libthiserror-e43cb042734bed80,libbeastlink-353fb7f967f5c841,liblibc-9017ff0c40a5fc6a,libnum_traits-300c5186abf3804c,liblazy_static-b3603208c0de2608}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lbeastlink-1.0" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustc6c0mgI/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-d8fe4a603e384003" "-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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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" "/opt/rustwide/target/debug/deps/rustcTUfDt4/symbols.o" "<6 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libbitflags-e2b4db6c651223da,libbitvec-7b6d799c6dcd1507,libwyz-13ba7a1c3ba60555,libtap-a03b11bfa148d0b2,libradium-adfcc51556c325ed,libfunty-e395759ffae18036,libspin_sleep-18d6d8e3f88324d8,libthiserror-e43cb042734bed80,libbeastlink-353fb7f967f5c841,liblibc-9017ff0c40a5fc6a,libnum_traits-300c5186abf3804c,libassert_matches-58327a20575d53ab,liblazy_static-b3603208c0de2608}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lbeastlink-1.0" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustcTUfDt4/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-d27dce85736763ab" "-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" "90ba58dce9fbc2592d90b01e1a1638eec0e42170f3f8e08f59d1078d97077a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ba58dce9fbc2592d90b01e1a1638eec0e42170f3f8e08f59d1078d97077a24", kill_on_drop: false }`
[INFO] [stdout] 90ba58dce9fbc2592d90b01e1a1638eec0e42170f3f8e08f59d1078d97077a24