[INFO] fetching crate rocket-multipart-form-data 0.7.0...
[INFO] checking rocket-multipart-form-data-0.7.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate rocket-multipart-form-data 0.7.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rocket-multipart-form-data 0.7.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rocket-multipart-form-data 0.7.0
[INFO] finished tweaking crates.io crate rocket-multipart-form-data 0.7.0
[INFO] tweaked toml for crates.io crate rocket-multipart-form-data 0.7.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a24ddf82a32cdf892f61e49f2b645c5bbf2b7441a7c7a2f46daad91b987c9437
[INFO] running `"docker" "start" "-a" "a24ddf82a32cdf892f61e49f2b645c5bbf2b7441a7c7a2f46daad91b987c9437"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking debug-helper v0.3.8
[INFO] [stderr]     Checking crc-any v1.1.3
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking rocket-etag-if-none-match v0.3.3
[INFO] [stderr]     Checking rc-u8-reader v2.0.10
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking rocket-include-static-resources v0.8.5
[INFO] [stderr]     Checking nickel v0.11.0
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking rocket-multipart-form-data v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling educe v0.4.2
[INFO] [stderr]     Checking rocket-raw-response v0.4.8
[INFO] [stderr] error[E0635]: unknown feature `const_vec_new`
[INFO] [stderr]  --> examples/image_uploader.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(const_vec_new)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: could not compile `rocket-multipart-form-data`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a24ddf82a32cdf892f61e49f2b645c5bbf2b7441a7c7a2f46daad91b987c9437"`
[INFO] running `"docker" "rm" "-f" "a24ddf82a32cdf892f61e49f2b645c5bbf2b7441a7c7a2f46daad91b987c9437"`
[INFO] [stdout] a24ddf82a32cdf892f61e49f2b645c5bbf2b7441a7c7a2f46daad91b987c9437