[INFO] fetching crate zbar 0.1.0...
[INFO] testing zbar-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate zbar 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate zbar 0.1.0
[INFO] finished tweaking crates.io crate zbar 0.1.0
[INFO] tweaked toml for crates.io crate zbar 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zbar 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding png v0.11.0 (available: v0.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80f15fa5c2928d112ba676cd8743c7b4ba88e703e94585693e8bac7500ea1cb9
[INFO] running `Command { std: "docker" "start" "-a" "80f15fa5c2928d112ba676cd8743c7b4ba88e703e94585693e8bac7500ea1cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80f15fa5c2928d112ba676cd8743c7b4ba88e703e94585693e8bac7500ea1cb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f15fa5c2928d112ba676cd8743c7b4ba88e703e94585693e8bac7500ea1cb9", kill_on_drop: false }`
[INFO] [stdout] 80f15fa5c2928d112ba676cd8743c7b4ba88e703e94585693e8bac7500ea1cb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dadd725f53297b42ed3849e67bf16c6f103a77acc53b42ef4d14d619866ac6a7
[INFO] running `Command { std: "docker" "start" "-a" "dadd725f53297b42ed3849e67bf16c6f103a77acc53b42ef4d14d619866ac6a7", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling zbar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/zbar.rs:141:56
[INFO] [stdout]     |
[INFO] [stdout] 141 | ...                   cleanup_handler: unsafe extern fn(*mut zbar_image_t));
[INFO] [stdout]     |                                               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/zbar.rs:217:47
[INFO] [stdout]     |
[INFO] [stdout] 217 |                       cleanup_handler: unsafe extern fn(*mut zbar_image_t)) -> bool {
[INFO] [stdout]     |                                               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "dadd725f53297b42ed3849e67bf16c6f103a77acc53b42ef4d14d619866ac6a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dadd725f53297b42ed3849e67bf16c6f103a77acc53b42ef4d14d619866ac6a7", kill_on_drop: false }`
[INFO] [stdout] dadd725f53297b42ed3849e67bf16c6f103a77acc53b42ef4d14d619866ac6a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa5c124457f1930ed4964e454e1cffa19b5fd3fb2d27b4e23f2f4b60272250d8
[INFO] running `Command { std: "docker" "start" "-a" "fa5c124457f1930ed4964e454e1cffa19b5fd3fb2d27b4e23f2f4b60272250d8", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/zbar.rs:141:56
[INFO] [stdout]     |
[INFO] [stdout] 141 | ...                   cleanup_handler: unsafe extern fn(*mut zbar_image_t));
[INFO] [stdout]     |                                               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zbar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/zbar.rs:217:47
[INFO] [stdout]     |
[INFO] [stdout] 217 |                       cleanup_handler: unsafe extern fn(*mut zbar_image_t)) -> bool {
[INFO] [stdout]     |                                               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/zbar.rs:141:56
[INFO] [stdout]     |
[INFO] [stdout] 141 | ...                   cleanup_handler: unsafe extern fn(*mut zbar_image_t));
[INFO] [stdout]     |                                               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/zbar.rs:217:47
[INFO] [stdout]     |
[INFO] [stdout] 217 |                       cleanup_handler: unsafe extern fn(*mut zbar_image_t)) -> bool {
[INFO] [stdout]     |                                               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::null`
[INFO] [stdout]    --> src/zbar.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     use std::ptr::null;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/zbar.rs:276:22
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let format = mem::transmute::<[u8; 4], u32>([format_arr[0], format_arr[1], format_arr[2], format_arr[3]]);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 276 -         let format = mem::transmute::<[u8; 4], u32>([format_arr[0], format_arr[1], format_arr[2], format_arr[3]]);
[INFO] [stdout] 276 +         let format = u32::from_ne_bytes([format_arr[0], format_arr[1], format_arr[2], format_arr[3]]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zbar` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcmVcYld/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bdynamic" "-lzbar" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libpng-7a7084254f9230db,libdeflate-9912d49dde91fe2e,libbyteorder-0d5229b4099d70a3,libinflate-2630b5f96d615a57,libadler32-4d27df5f28e6a708,libnum_iter-4f0f7fc9df83f91f,libnum_integer-e7e9b29b9dc7cb2f,libnum_traits-9038bb459b9a0748,libbitflags-a9851ebd0ab18f47,liblibc-f156089d62a796e8}.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" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustcmVcYld/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/zbar-227c4d00e3f12452" "-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 -lzbar
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa5c124457f1930ed4964e454e1cffa19b5fd3fb2d27b4e23f2f4b60272250d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5c124457f1930ed4964e454e1cffa19b5fd3fb2d27b4e23f2f4b60272250d8", kill_on_drop: false }`
[INFO] [stdout] fa5c124457f1930ed4964e454e1cffa19b5fd3fb2d27b4e23f2f4b60272250d8
