[INFO] cloning repository https://github.com/ukVee/tutorialhub_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ukVee/tutorialhub_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FukVee%2Ftutorialhub_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FukVee%2Ftutorialhub_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 228dddcda3e783f4085b3d1a88890d82f62d2a2d
[INFO] testing ukVee/tutorialhub_rust against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FukVee%2Ftutorialhub_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ukVee/tutorialhub_rust
[INFO] finished tweaking git repo https://github.com/ukVee/tutorialhub_rust
[INFO] tweaked toml for git repo https://github.com/ukVee/tutorialhub_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ukVee/tutorialhub_rust on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ukVee/tutorialhub_rust 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-2026-03-05" "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" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 342cc579a3e2446755cb4f25bfa55c732284d363a036aafc73af599b5247ad19
[INFO] running `Command { std: "docker" "start" "-a" "342cc579a3e2446755cb4f25bfa55c732284d363a036aafc73af599b5247ad19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "342cc579a3e2446755cb4f25bfa55c732284d363a036aafc73af599b5247ad19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342cc579a3e2446755cb4f25bfa55c732284d363a036aafc73af599b5247ad19", kill_on_drop: false }`
[INFO] [stdout] 342cc579a3e2446755cb4f25bfa55c732284d363a036aafc73af599b5247ad19
[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=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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32e26a9d43da0fd478e510f5f3fdc3559eb173754aaa5883640fe761d01ecbde
[INFO] running `Command { std: "docker" "start" "-a" "32e26a9d43da0fd478e510f5f3fdc3559eb173754aaa5883640fe761d01ecbde", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling find-msvc-tools v0.1.5
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling zerocopy v0.8.31
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling inlinable_string v0.1.15
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tracing v0.1.43
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling deranged v0.5.5
[INFO] [stderr]    Compiling cc v1.2.49
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.7
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling pest v2.8.4
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr] error: could not compile `futures-util` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-03-05-x86_64-unknown-linux-gnu/bin/rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-util-0.3.31/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --cfg 'feature="alloc"' --cfg 'feature="channel"' --cfg 'feature="futures-channel"' --cfg 'feature="futures-io"' --cfg 'feature="futures-sink"' --cfg 'feature="io"' --cfg 'feature="memchr"' --cfg 'feature="sink"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "async-await", "async-await-macro", "bilock", "cfg-target-has-atomic", "channel", "compat", "default", "futures-channel", "futures-io", "futures-macro", "futures-sink", "futures_01", "io", "io-compat", "memchr", "portable-atomic", "sink", "slab", "std", "tokio-io", "unstable", "write-all-vectored"))' -C metadata=207367a8fa2c82f4 -C extra-filename=-2a32fd88d98da553 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-3bb2db6cecc5bacb.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-3b920243fce8fec0.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-59d0071c9258d69f.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-ae1eb2d060de53a2.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-e09ab7898221cb97.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-9be7e24c0cc6f173.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-72bf04572caa1c84.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-3860774ad9b215b5.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-5629529544b2a983.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-2026-03-05-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --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="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", "test", "visit", "visit-mut"))' -C metadata=bbfc05483e7e445a -C extra-filename=-71218cae56924d37 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4bf3bfe6547a3e4b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f5dbb0604dbb422c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-3a00dd35274e822e.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "32e26a9d43da0fd478e510f5f3fdc3559eb173754aaa5883640fe761d01ecbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e26a9d43da0fd478e510f5f3fdc3559eb173754aaa5883640fe761d01ecbde", kill_on_drop: false }`
[INFO] [stdout] 32e26a9d43da0fd478e510f5f3fdc3559eb173754aaa5883640fe761d01ecbde
