[INFO] fetching crate van-core 0.2.1...
[INFO] testing van-core-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate van-core 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate van-core 0.2.1
[INFO] finished tweaking crates.io crate van-core 0.2.1
[INFO] tweaked toml for crates.io crate van-core 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate van-core 0.2.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 79 packages to latest compatible versions
[INFO] [stderr]       Adding cursive v0.18.0 (available: v0.21.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d7d10732c8bec7317a5acfb1ba0d3394d15a83b8f480e61415759e00b06f716
[INFO] running `Command { std: "docker" "start" "-a" "7d7d10732c8bec7317a5acfb1ba0d3394d15a83b8f480e61415759e00b06f716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d7d10732c8bec7317a5acfb1ba0d3394d15a83b8f480e61415759e00b06f716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7d10732c8bec7317a5acfb1ba0d3394d15a83b8f480e61415759e00b06f716", kill_on_drop: false }`
[INFO] [stdout] 7d7d10732c8bec7317a5acfb1ba0d3394d15a83b8f480e61415759e00b06f716
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c6666a6df1d541fef760832340d32bff9de893a7d2cd1183e42efd73ddfa69a
[INFO] running `Command { std: "docker" "start" "-a" "5c6666a6df1d541fef760832340d32bff9de893a7d2cd1183e42efd73ddfa69a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling libmpv-sys v3.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling libmpv v2.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling enum-map-derive v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling enum-map v2.7.3
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling enumset_derive v0.14.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling enumset v1.1.10
[INFO] [stderr]    Compiling cursive_core v0.3.7
[INFO] [stderr]    Compiling cursive v0.18.0
[INFO] [stderr]    Compiling van-core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `current`, `playing`, and `id` are never read
[INFO] [stdout]   --> src/mpv.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct PlayListItem {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 37 |     pub filename: String,
[INFO] [stdout] 38 |     pub current: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 39 |     pub playing: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 40 |     pub id: i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlayListItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.50s
[INFO] running `Command { std: "docker" "inspect" "5c6666a6df1d541fef760832340d32bff9de893a7d2cd1183e42efd73ddfa69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c6666a6df1d541fef760832340d32bff9de893a7d2cd1183e42efd73ddfa69a", kill_on_drop: false }`
[INFO] [stdout] 5c6666a6df1d541fef760832340d32bff9de893a7d2cd1183e42efd73ddfa69a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbd91b2b44ba8192eafd241047b49bf09b343dd07441fa421e81807180184d83
[INFO] running `Command { std: "docker" "start" "-a" "bbd91b2b44ba8192eafd241047b49bf09b343dd07441fa421e81807180184d83", kill_on_drop: false }`
[INFO] [stderr]    Compiling van-core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `current`, `playing`, and `id` are never read
[INFO] [stdout]   --> src/mpv.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct PlayListItem {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 37 |     pub filename: String,
[INFO] [stdout] 38 |     pub current: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 39 |     pub playing: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 40 |     pub id: i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlayListItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `current`, `playing`, and `id` are never read
[INFO] [stdout]   --> src/mpv.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct PlayListItem {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 37 |     pub filename: String,
[INFO] [stdout] 38 |     pub current: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 39 |     pub playing: Option<bool>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 40 |     pub id: i32,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PlayListItem` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcNlm95t/symbols.o" "<17 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libserde_json-ac88e2c590f14e66,libmemchr-60b408e76a46f254,libryu-a7164637bc4900ee,libcrossbeam-18a1ebf46735e39d,libcrossbeam_deque-3ac6784ac69db859,libcrossbeam_queue-61685dce9e51d53a,libcrossbeam_epoch-bd51de1fb2e91121}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libcursive-88457e94bbcf066a,libahash-b5ba433bd2b1e138,libgetrandom-4cfbf89a4fe9ac31,libncurses-c7e9a4cd5cf6b2dc,libmaplit-f141af93a08d6c7e,libsignal_hook-73987ab9cae85779,libsignal_hook_registry-741d383cddcee45f,libcursive_core-c0430bf997151d16,libnum-ddff16527cf85a66,libnum_iter-dcf5d8ec192231be,libnum_rational-74577e00a0b09253,libnum_integer-064f4845270aa396,libnum_complex-b8180304e1cb1015,libnum_traits-a18c4d9bed406b85,libenum_map-2a66f0a4b1c2c126,liblazy_static-3674be3f4245d19b,libowning_ref-20a1d50904cdf78d,libstable_deref_trait-a9f42b1d2f15127d,libxi_unicode-9c20d94e86934312,libunicode_width-b1bc0d6c10c00ecc,libunicode_segmentation-421de088ab714999,libenumset-a0cae3caff0d5060,libcrossbeam_channel-c92d5dc59887942d,libcrossbeam_utils-02f58a81c9899c97,libahash-2189ec99900eb82b,libgetrandom-6b930f5f7ced0839,libonce_cell-fec8baa7cd08812b,libcfg_if-ae1e883b62e8dab7,libzerocopy-669dcbe6b59e8934,libtime-347db0ab456bbf8b,libnum_threads-4b51ca944679bcba,liblibc-7a54cdb917ea7291,libitoa-ef40fa516293a9d3,libtime_core-18c82ab596674382,libnum_conv-d3297905cfb69f59,libderanged-2d53c78464e1991d,libpowerfmt-f6019a2766e431f7,libserde-e137592f1acfe11c,libserde_core-b6917df4d3e6d1df,liblog-40ebd7d040175aeb,liblibmpv-7f80f4659a3a5b2d,liblibmpv_sys-7b03982aaff48c41,libanyhow-eb07bcfe9a52a357}.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" "-lncursesw" "-ltinfo" "-lmpv" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcNlm95t/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" "/usr/lib/x86_64-linux-gnu" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/van_core-928a2d20741c27ee" "-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 -lmpv
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `van-core` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "bbd91b2b44ba8192eafd241047b49bf09b343dd07441fa421e81807180184d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbd91b2b44ba8192eafd241047b49bf09b343dd07441fa421e81807180184d83", kill_on_drop: false }`
[INFO] [stdout] bbd91b2b44ba8192eafd241047b49bf09b343dd07441fa421e81807180184d83