[INFO] fetching crate libsvm 0.2.1...
[INFO] testing libsvm-0.2.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate libsvm 0.2.1 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate libsvm 0.2.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsvm 0.2.1
[INFO] finished tweaking crates.io crate libsvm 0.2.1
[INFO] tweaked toml for crates.io crate libsvm 0.2.1 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3c3edd0485ef5b3b5a55ae48c0a9fd33d91770a614d0614bb47b3bc35522bb3
[INFO] running `Command { std: "docker" "start" "-a" "c3c3edd0485ef5b3b5a55ae48c0a9fd33d91770a614d0614bb47b3bc35522bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3c3edd0485ef5b3b5a55ae48c0a9fd33d91770a614d0614bb47b3bc35522bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c3edd0485ef5b3b5a55ae48c0a9fd33d91770a614d0614bb47b3bc35522bb3", kill_on_drop: false }`
[INFO] [stdout] c3c3edd0485ef5b3b5a55ae48c0a9fd33d91770a614d0614bb47b3bc35522bb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8e4e614e04892e35b14f71eb77ee9a49c32d79b198fc27126663563533103cc
[INFO] running `Command { std: "docker" "start" "-a" "c8e4e614e04892e35b14f71eb77ee9a49c32d79b198fc27126663563533103cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling libsvm-sys v3.24.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling libsvm v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::array::FixedSizeArray`
[INFO] [stdout]  --> src/data.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     array::FixedSizeArray,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no `FixedSizeArray` in `array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libsvm` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "c8e4e614e04892e35b14f71eb77ee9a49c32d79b198fc27126663563533103cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e4e614e04892e35b14f71eb77ee9a49c32d79b198fc27126663563533103cc", kill_on_drop: false }`
[INFO] [stdout] c8e4e614e04892e35b14f71eb77ee9a49c32d79b198fc27126663563533103cc