[INFO] cloning repository https://github.com/alexander-novo/CS479-PA4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexander-novo/CS479-PA4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-novo%2FCS479-PA4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-novo%2FCS479-PA4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e16b7bf19247a6e7ea9a132d444c67eb9551c7d
[INFO] checking alexander-novo/CS479-PA4/5e16b7bf19247a6e7ea9a132d444c67eb9551c7d against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexander-novo%2FCS479-PA4" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexander-novo/CS479-PA4 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/alexander-novo/CS479-PA4
[INFO] finished tweaking git repo https://github.com/alexander-novo/CS479-PA4
[INFO] tweaked toml for git repo https://github.com/alexander-novo/CS479-PA4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alexander-novo/CS479-PA4 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-rand v0.14.0
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded ndarray-csv v0.5.1
[INFO] [stderr]   Downloaded intel-mkl-src v0.7.0+mkl2020.1
[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded libsvm v0.4.0
[INFO] [stderr]   Downloaded kdtree v0.6.0
[INFO] [stderr]   Downloaded libsvm-sys2 v4.0.0
[INFO] [stderr]   Downloaded linfa-bayes v0.6.1
[INFO] [stderr]   Downloaded linfa-datasets v0.6.1
[INFO] [stderr]   Downloaded ndarray-linalg v0.15.0
[INFO] [stderr]   Downloaded sprs v0.11.0
[INFO] [stderr]   Downloaded linfa v0.6.1
[INFO] [stderr]   Downloaded ndarray-stats v0.5.1
[INFO] [stderr]   Downloaded lapack v0.18.0
[INFO] [stderr]   Downloaded rustix v0.37.18
[INFO] [stderr]   Downloaded lapack-sys v0.12.1
[INFO] [stderr]   Downloaded noisy_float v0.2.0
[INFO] [stderr]   Downloaded intel-mkl-tool v0.3.2+mkl2020.1
[INFO] [stderr]   Downloaded lax v0.15.0
[INFO] [stderr]   Downloaded linfa-nn v0.6.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.6
[INFO] [stderr]   Downloaded curl-sys v0.4.61+curl-8.0.1
[INFO] [stderr]   Downloaded linfa-kernel v0.6.1
[INFO] [stderr]   Downloaded linfa-svm v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2a53a49f52a158b952c744d7ac1e4a45cdfb883d1a77a285e9f6fe4c3c8687a
[INFO] running `Command { std: "docker" "start" "-a" "d2a53a49f52a158b952c744d7ac1e4a45cdfb883d1a77a285e9f6fe4c3c8687a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2a53a49f52a158b952c744d7ac1e4a45cdfb883d1a77a285e9f6fe4c3c8687a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a53a49f52a158b952c744d7ac1e4a45cdfb883d1a77a285e9f6fe4c3c8687a", kill_on_drop: false }`
[INFO] [stdout] d2a53a49f52a158b952c744d7ac1e4a45cdfb883d1a77a285e9f6fe4c3c8687a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89a213cce11f658f33778e598ea504d595379b97048dd0eeb49e9242e6c2b3cb
[INFO] running `Command { std: "docker" "start" "-a" "89a213cce11f658f33778e598ea504d595379b97048dd0eeb49e9242e6c2b3cb", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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 proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustix v0.37.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking linux-raw-sys v0.3.6
[INFO] [stderr]    Compiling linfa v0.6.1
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking clap_lex v0.4.1
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "89a213cce11f658f33778e598ea504d595379b97048dd0eeb49e9242e6c2b3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a213cce11f658f33778e598ea504d595379b97048dd0eeb49e9242e6c2b3cb", kill_on_drop: false }`
[INFO] [stdout] 89a213cce11f658f33778e598ea504d595379b97048dd0eeb49e9242e6c2b3cb