[INFO] cloning repository https://github.com/jac3km4/latentspace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jac3km4/latentspace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac3km4%2Flatentspace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac3km4%2Flatentspace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7a52fbaa50aea72622d2e119e8fdc4c888be0c9
[INFO] checking jac3km4/latentspace against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac3km4%2Flatentspace" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/jac3km4/latentspace
[INFO] finished tweaking git repo https://github.com/jac3km4/latentspace
[INFO] tweaked toml for git repo https://github.com/jac3km4/latentspace written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jac3km4/latentspace 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/jac3km4/latentspace 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 git repository `https://github.com/jac3km4/ecow`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.159
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded filetime v0.2.20
[INFO] [stderr]   Downloaded ctor v0.1.26
[INFO] [stderr]   Downloaded matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.55
[INFO] [stderr]   Downloaded pretty_assertions v1.3.0
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded syn v2.0.13
[INFO] [stderr]   Downloaded serde_json v1.0.95
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded ureq v2.6.2
[INFO] [stderr]   Downloaded serde v1.0.159
[INFO] [stderr]   Downloaded xattr v0.2.3
[INFO] [stderr]   Downloaded vswhom-sys v0.1.2
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] [stderr]   Downloaded ort v1.14.3
[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] 9b885bde8f3a42ab332a57b1b38ee27c96858c7b13aa647438545b7ad797c7c3
[INFO] running `Command { std: "docker" "start" "-a" "9b885bde8f3a42ab332a57b1b38ee27c96858c7b13aa647438545b7ad797c7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b885bde8f3a42ab332a57b1b38ee27c96858c7b13aa647438545b7ad797c7c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b885bde8f3a42ab332a57b1b38ee27c96858c7b13aa647438545b7ad797c7c3", kill_on_drop: false }`
[INFO] [stdout] 9b885bde8f3a42ab332a57b1b38ee27c96858c7b13aa647438545b7ad797c7c3
[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] ca1bcf9f7a9f54a71cf64159e7eb3cba5f2244718efafa1d93ab1bcc3ecfeecf
[INFO] running `Command { std: "docker" "start" "-a" "ca1bcf9f7a9f54a71cf64159e7eb3cba5f2244718efafa1d93ab1bcc3ecfeecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.55
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.55/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]    Compiling log v0.4.17
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[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" "ca1bcf9f7a9f54a71cf64159e7eb3cba5f2244718efafa1d93ab1bcc3ecfeecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1bcf9f7a9f54a71cf64159e7eb3cba5f2244718efafa1d93ab1bcc3ecfeecf", kill_on_drop: false }`
[INFO] [stdout] ca1bcf9f7a9f54a71cf64159e7eb3cba5f2244718efafa1d93ab1bcc3ecfeecf