[INFO] fetching crate rdfox-rs 0.1.9...
[INFO] testing rdfox-rs-0.1.9 against 1.75.0 for beta-1.76-1
[INFO] extracting crate rdfox-rs 0.1.9 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rdfox-rs 0.1.9 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rdfox-rs 0.1.9
[INFO] finished tweaking crates.io crate rdfox-rs 0.1.9
[INFO] tweaked toml for crates.io crate rdfox-rs 0.1.9 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unique_id v0.1.5
[INFO] [stderr]   Downloaded utf8-decode v1.0.1
[INFO] [stderr]   Downloaded pct-str v1.2.0
[INFO] [stderr]   Downloaded blob-uuid v0.5.0
[INFO] [stderr]   Downloaded iref v2.2.3
[INFO] [stderr]   Downloaded rdftk_iri v0.1.9
[INFO] [stderr]   Downloaded supports-color v1.3.1
[INFO] [stderr]   Downloaded rdf-store-rs v0.0.9
[INFO] [stderr]   Downloaded iri-string v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4550552ac947529269e66af838b6465322e15162f125640bcbce609e4defaa43
[INFO] running `Command { std: "docker" "start" "-a" "4550552ac947529269e66af838b6465322e15162f125640bcbce609e4defaa43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4550552ac947529269e66af838b6465322e15162f125640bcbce609e4defaa43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4550552ac947529269e66af838b6465322e15162f125640bcbce609e4defaa43", kill_on_drop: false }`
[INFO] [stdout] 4550552ac947529269e66af838b6465322e15162f125640bcbce609e4defaa43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c4ee154c80115223cad204c61041b379ee30b04d790ad500e91f085e7065d20
[INFO] running `Command { std: "docker" "start" "-a" "6c4ee154c80115223cad204c61041b379ee30b04d790ad500e91f085e7065d20", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling prettyplease v0.2.16
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling toml_datetime v0.6.3
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[INFO] [stderr]    Compiling cc v1.0.83
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[INFO] [stderr]    Compiling memchr v2.7.1
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[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling indexmap v2.1.0
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[INFO] [stderr]    Compiling phf_shared v0.11.2
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[INFO] [stderr]    Compiling parking_lot v0.12.1
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[INFO] [stderr]    Compiling libz-sys v1.1.12
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[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling overload v0.1.1
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[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling bit-vec v0.6.3
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[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
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[INFO] [stderr]    Compiling is-terminal v0.4.10
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.4
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.7
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling is_ci v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling supports-color v1.3.1
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling r2d2 v0.8.10
[INFO] [stderr]    Compiling iref v2.2.3
[INFO] [stderr]    Compiling proc-macro-crate v2.0.1
[INFO] [stderr]    Compiling iri-string v0.7.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling urlencoding v2.1.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling globset v0.4.14
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling num_enum_derive v0.7.1
[INFO] [stderr]    Compiling ignore v0.4.21
[INFO] [stderr]    Compiling fancy-regex v0.11.0
[INFO] [stderr]    Compiling env_logger v0.10.1
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling num_enum v0.7.1
[INFO] [stderr]    Compiling rdf-store-rs v0.0.9
[INFO] [stderr]    Compiling zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]    Compiling zip v0.6.6
[INFO] [stderr]    Compiling rdfox-rs v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> build.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(absolute_path)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rdfox-rs` (build script) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6c4ee154c80115223cad204c61041b379ee30b04d790ad500e91f085e7065d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4ee154c80115223cad204c61041b379ee30b04d790ad500e91f085e7065d20", kill_on_drop: false }`
[INFO] [stdout] 6c4ee154c80115223cad204c61041b379ee30b04d790ad500e91f085e7065d20
