[INFO] fetching crate van-core 0.2.1...
[INFO] testing van-core-0.2.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate van-core 0.2.1 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate van-core 0.2.1 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 81 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 69549598b60ec810a428c3e156faf3fcf662e776bbc6de67d42d170d7ee600bd
[INFO] running `Command { std: "docker" "start" "-a" "69549598b60ec810a428c3e156faf3fcf662e776bbc6de67d42d170d7ee600bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69549598b60ec810a428c3e156faf3fcf662e776bbc6de67d42d170d7ee600bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69549598b60ec810a428c3e156faf3fcf662e776bbc6de67d42d170d7ee600bd", kill_on_drop: false }`
[INFO] [stdout] 69549598b60ec810a428c3e156faf3fcf662e776bbc6de67d42d170d7ee600bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 930b8355f059becda571dfe22ac3c64f0a5808463ee6b23388bf219f59c50a19
[INFO] running `Command { std: "docker" "start" "-a" "930b8355f059becda571dfe22ac3c64f0a5808463ee6b23388bf219f59c50a19", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling num-conv v0.2.1
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling libmpv-sys v3.1.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling libmpv v2.0.1
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling time v0.3.47
[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 32.50s
[INFO] running `Command { std: "docker" "inspect" "930b8355f059becda571dfe22ac3c64f0a5808463ee6b23388bf219f59c50a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "930b8355f059becda571dfe22ac3c64f0a5808463ee6b23388bf219f59c50a19", kill_on_drop: false }`
[INFO] [stdout] 930b8355f059becda571dfe22ac3c64f0a5808463ee6b23388bf219f59c50a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7636f1f52f12f31a6d21c4445c72859e5c484405eb6c22a5b3b4438e0c834bac
[INFO] running `Command { std: "docker" "start" "-a" "7636f1f52f12f31a6d21c4445c72859e5c484405eb6c22a5b3b4438e0c834bac", kill_on_drop: false }`
[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]    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] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustccoTrFl/symbols.o" "<11 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libserde_json-b0c4678edd0e6349,libmemchr-9c99a16d1eb4a64c,libzmij-32087f229b5896fd,libcrossbeam-9937a8c2bb417576,libcrossbeam_deque-a3c9e813f09d7794,libcrossbeam_queue-e5a056467129b4b6,libcrossbeam_epoch-93ec3c80ffdb9594}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libcursive-398df67f4a9b7455,libahash-1be4b4de33a6ffd5,libgetrandom-bcdccc1d09992735,libncurses-6aec4fd7748823a6,libmaplit-6de24883bab0b321,libsignal_hook-ddf9e6ffdb49ce45,libsignal_hook_registry-54e0d432348876a8,liberrno-cb8b2298ade35459,libcursive_core-354f121e80d314e7,libnum-95bb775a6db864ab,libnum_iter-45a3b738b1e464b5,libnum_rational-d1af77e8ed8b6bbf,libnum_integer-dab613191bb5727d,libnum_complex-57a1a5dc791dfec7,libnum_traits-793711aa49318edf,libenum_map-caa1e8df85f4c7d8,liblazy_static-58edaf41543212f3,libowning_ref-db7a441c403dda19,libstable_deref_trait-f0222816cc594333,libxi_unicode-1c0bd2168f698ce0,libunicode_width-4f088c2c392af6be,libunicode_segmentation-104fa2bc10933852,libenumset-ab2f6ef4905f85a1,libcrossbeam_channel-048ffa2fb09a6176,libcrossbeam_utils-dbe6faacf78f7a1d,libahash-7055d6460ea16726,libgetrandom-8f782ca655f7340b,libonce_cell-22653fb4c21519d3,libcfg_if-73907a425b6e514e,libzerocopy-654b66278cc68e2a,libtime-425cc94d2b7e2341,libnum_threads-238319798a8b2281,liblibc-f156089d62a796e8,libitoa-c3f3678fd0b86a79,libtime_core-b3b7d29315fab097,libnum_conv-1d9284b45dc154ae,libderanged-d0420a20de7d12ff,libpowerfmt-dcf4c7392d25d790,libserde-f39d0a0182e22cb3,libserde_core-6504fde8f3d6c9d3,liblog-b4877c6cda7d43ee,liblibmpv-22e4134df4501071,liblibmpv_sys-4a9c3a430833ba4e,libanyhow-b0726fbe6d61d750}.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" "/opt/rustwide/target/debug/deps/rustccoTrFl/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-95f4589efd5cccb2" "-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" "7636f1f52f12f31a6d21c4445c72859e5c484405eb6c22a5b3b4438e0c834bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7636f1f52f12f31a6d21c4445c72859e5c484405eb6c22a5b3b4438e0c834bac", kill_on_drop: false }`
[INFO] [stdout] 7636f1f52f12f31a6d21c4445c72859e5c484405eb6c22a5b3b4438e0c834bac
