[INFO] cloning repository https://github.com/nikitavbv/ml-labs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikitavbv/ml-labs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitavbv%2Fml-labs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitavbv%2Fml-labs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f59a51933ea7c1ea9e24b604876fdeaf6ff67865
[INFO] checking nikitavbv/ml-labs against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikitavbv%2Fml-labs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nikitavbv/ml-labs
[INFO] finished tweaking git repo https://github.com/nikitavbv/ml-labs
[INFO] tweaked toml for git repo https://github.com/nikitavbv/ml-labs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nikitavbv/ml-labs on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nikitavbv/ml-labs 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded pest_generator v2.5.3
[INFO] [stderr]   Downloaded pest_derive v2.5.3
[INFO] [stderr]   Downloaded anyhow v1.0.68
[INFO] [stderr]   Downloaded py_literal v0.4.0
[INFO] [stderr]   Downloaded base64ct v1.5.3
[INFO] [stderr]   Downloaded ndarray-npy v0.8.1
[INFO] [stderr]   Downloaded pest_meta v2.5.3
[INFO] [stderr]   Downloaded torch-sys v0.10.0
[INFO] [stderr]   Downloaded zip v0.6.3
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded pest v2.5.3
[INFO] [stderr]   Downloaded curl v0.4.44
[INFO] [stderr]   Downloaded zstd-sys v2.0.5+zstd.1.5.2
[INFO] [stderr]   Downloaded tch v0.10.1
[INFO] [stderr]   Downloaded curl-sys v0.4.59+curl-7.86.0
[INFO] [stderr]   Downloaded npyz v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15864b4eaab3d4890bd7bc911688245c205ca4b62660b8e3f5e666968be19e6a
[INFO] running `Command { std: "docker" "start" "-a" "15864b4eaab3d4890bd7bc911688245c205ca4b62660b8e3f5e666968be19e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15864b4eaab3d4890bd7bc911688245c205ca4b62660b8e3f5e666968be19e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15864b4eaab3d4890bd7bc911688245c205ca4b62660b8e3f5e666968be19e6a", kill_on_drop: false }`
[INFO] [stdout] 15864b4eaab3d4890bd7bc911688245c205ca4b62660b8e3f5e666968be19e6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a9cf69f9f102143d44bd4d70ccc4578ab07fa5a1d3b616aa59f9578f4139699
[INFO] running `Command { std: "docker" "start" "-a" "9a9cf69f9f102143d44bd4d70ccc4578ab07fa5a1d3b616aa59f9578f4139699", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling base64ct v1.5.3
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling password-hash v0.4.2
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9a9cf69f9f102143d44bd4d70ccc4578ab07fa5a1d3b616aa59f9578f4139699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9cf69f9f102143d44bd4d70ccc4578ab07fa5a1d3b616aa59f9578f4139699", kill_on_drop: false }`
[INFO] [stdout] 9a9cf69f9f102143d44bd4d70ccc4578ab07fa5a1d3b616aa59f9578f4139699