[INFO] cloning repository https://github.com/acanoe/element
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acanoe/element" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facanoe%2Felement", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facanoe%2Felement'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c5cd12d48c4e2a9f19e496e8ded86599867156d
[INFO] testing acanoe/element against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facanoe%2Felement" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/acanoe/element
[INFO] finished tweaking git repo https://github.com/acanoe/element
[INFO] tweaked toml for git repo https://github.com/acanoe/element written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/acanoe/element 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] crate git repo https://github.com/acanoe/element already has a lockfile, it will not be regenerated
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 48b5e3638867f615858c3edb7836cdd9a4300d7708c84ea11e61c1a727d69df9
[INFO] running `Command { std: "docker" "start" "-a" "48b5e3638867f615858c3edb7836cdd9a4300d7708c84ea11e61c1a727d69df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48b5e3638867f615858c3edb7836cdd9a4300d7708c84ea11e61c1a727d69df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b5e3638867f615858c3edb7836cdd9a4300d7708c84ea11e61c1a727d69df9", kill_on_drop: false }`
[INFO] [stdout] 48b5e3638867f615858c3edb7836cdd9a4300d7708c84ea11e61c1a727d69df9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b7cae8d71c771d3ae05fa92d5eef53f9a9c171e5d40923f2e709ec4fd4ef01a4
[INFO] running `Command { std: "docker" "start" "-a" "b7cae8d71c771d3ae05fa92d5eef53f9a9c171e5d40923f2e709ec4fd4ef01a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling toml_datetime v0.5.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling futures-io v0.3.26
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling concurrent-queue v2.1.0
[INFO] [stderr]    Compiling nom8 v0.2.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling ttf-parser v0.18.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling toml_edit v0.18.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling owned_ttf_parser v0.18.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling ab_glyph v0.2.20
[INFO] [stderr]    Compiling futures-sink v0.3.26
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling async-executor v1.5.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.0
[INFO] [stderr] error: could not compile `nix` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/nix-0.24.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=2 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --cfg 'feature="acct"' --cfg 'feature="aio"' --cfg 'feature="default"' --cfg 'feature="dir"' --cfg 'feature="env"' --cfg 'feature="event"' --cfg 'feature="feature"' --cfg 'feature="fs"' --cfg 'feature="hostname"' --cfg 'feature="inotify"' --cfg 'feature="ioctl"' --cfg 'feature="kmod"' --cfg 'feature="memoffset"' --cfg 'feature="mman"' --cfg 'feature="mount"' --cfg 'feature="mqueue"' --cfg 'feature="net"' --cfg 'feature="personality"' --cfg 'feature="poll"' --cfg 'feature="process"' --cfg 'feature="pthread"' --cfg 'feature="ptrace"' --cfg 'feature="quota"' --cfg 'feature="reboot"' --cfg 'feature="resource"' --cfg 'feature="sched"' --cfg 'feature="signal"' --cfg 'feature="socket"' --cfg 'feature="term"' --cfg 'feature="time"' --cfg 'feature="ucontext"' --cfg 'feature="uio"' --cfg 'feature="user"' --cfg 'feature="zerocopy"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("acct", "aio", "default", "dir", "env", "event", "feature", "fs", "hostname", "inotify", "ioctl", "kmod", "memoffset", "mman", "mount", "mqueue", "net", "personality", "poll", "process", "pthread", "ptrace", "quota", "reboot", "resource", "sched", "signal", "socket", "term", "time", "ucontext", "uio", "user", "zerocopy"))' -C metadata=3d1d2b6432fbc387 -C extra-filename=-75c8426fd3bedab5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-64aa4af0bd9f3e9a.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-f2648d58a01c3980.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0dbfce87b65a1e41.rmeta --extern memoffset=/opt/rustwide/target/debug/deps/libmemoffset-0fbc77836592ae1d.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.107/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=2 -C embed-bitcode=no -C debug-assertions=on --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=60707b81bd278c79 -C extra-filename=-a058ab69bd0d7895 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d1be94289d12dc81.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e63f1bc49e57411c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8d1d82b615c0faeb.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b7cae8d71c771d3ae05fa92d5eef53f9a9c171e5d40923f2e709ec4fd4ef01a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7cae8d71c771d3ae05fa92d5eef53f9a9c171e5d40923f2e709ec4fd4ef01a4", kill_on_drop: false }`
[INFO] [stdout] b7cae8d71c771d3ae05fa92d5eef53f9a9c171e5d40923f2e709ec4fd4ef01a4
