[INFO] cloning repository https://github.com/mkaydin/rust-linfa-decision-tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkaydin/rust-linfa-decision-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaydin%2Frust-linfa-decision-tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaydin%2Frust-linfa-decision-tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bf35063a5b4a31d722359830c070dfa775cc18f8 [INFO] checking mkaydin/rust-linfa-decision-tree against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkaydin%2Frust-linfa-decision-tree" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mkaydin/rust-linfa-decision-tree [INFO] finished tweaking git repo https://github.com/mkaydin/rust-linfa-decision-tree [INFO] tweaked toml for git repo https://github.com/mkaydin/rust-linfa-decision-tree written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mkaydin/rust-linfa-decision-tree on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/mkaydin/rust-linfa-decision-tree 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ndarray-csv v0.5.1 [INFO] [stderr] Downloaded linfa-linalg v0.1.0 [INFO] [stderr] Downloaded noisy_float v0.2.0 [INFO] [stderr] Downloaded ndarray-stats v0.5.1 [INFO] [stderr] Downloaded linfa-preprocessing v0.6.1 [INFO] [stderr] Downloaded linfa v0.6.1 [INFO] [stderr] Downloaded sprs v0.11.0 [INFO] [stderr] Downloaded ndarray-rand v0.14.0 [INFO] [stderr] Downloaded linfa-trees v0.6.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c03fa75fc68b150960ed0cde41024f532e4bd7aeef424086f6f970d058439c8 [INFO] running `Command { std: "docker" "start" "-a" "3c03fa75fc68b150960ed0cde41024f532e4bd7aeef424086f6f970d058439c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c03fa75fc68b150960ed0cde41024f532e4bd7aeef424086f6f970d058439c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c03fa75fc68b150960ed0cde41024f532e4bd7aeef424086f6f970d058439c8", kill_on_drop: false }` [INFO] [stdout] 3c03fa75fc68b150960ed0cde41024f532e4bd7aeef424086f6f970d058439c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6192576fe7dd5474bc51fbff680083e6cf566f8de4f31ece692bd3902e864a2c [INFO] running `Command { std: "docker" "start" "-a" "6192576fe7dd5474bc51fbff680083e6cf566f8de4f31ece692bd3902e864a2c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.142 [INFO] [stderr] Compiling libm v0.2.6 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling crossbeam-utils v0.8.15 [INFO] [stderr] Compiling memoffset v0.8.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.14 [INFO] [stderr] Compiling rayon-core v1.11.0 [INFO] [stderr] Compiling matrixmultiply v0.3.7 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Compiling proc-macro2 v1.0.56 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling thiserror v1.0.40 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling linfa v0.6.1 [INFO] [stderr] Compiling serde v1.0.160 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking aho-corasick v1.0.1 [INFO] [stderr] Checking crossbeam-channel v0.5.8 [INFO] [stderr] Checking ryu v1.0.13 [INFO] [stderr] Checking regex-syntax v0.7.1 [INFO] [stderr] Checking itoa v1.0.6 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking miniz_oxide v0.7.1 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "6192576fe7dd5474bc51fbff680083e6cf566f8de4f31ece692bd3902e864a2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6192576fe7dd5474bc51fbff680083e6cf566f8de4f31ece692bd3902e864a2c", kill_on_drop: false }` [INFO] [stdout] 6192576fe7dd5474bc51fbff680083e6cf566f8de4f31ece692bd3902e864a2c