[INFO] fetching crate intovec 0.0.6...
[INFO] checking intovec-0.0.6 against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] extracting crate intovec 0.0.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate intovec 0.0.6 on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate intovec 0.0.6
[INFO] finished tweaking crates.io crate intovec 0.0.6
[INFO] tweaked toml for crates.io crate intovec 0.0.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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] 9c9e6dbb1574debce863c619da4566d6765f84dcf90af64f279a4bee9272257d
[INFO] running `"docker" "start" "-a" "9c9e6dbb1574debce863c619da4566d6765f84dcf90af64f279a4bee9272257d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking intovec v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `SliceExt` in `slice`
[INFO] [stderr]   --> src/lib.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |         std::slice::SliceExt::into_vec(self)
[INFO] [stderr]    |                     ^^^^^^^^ could not find `SliceExt` in `slice`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `SliceExt` in `slice`
[INFO] [stderr]   --> src/lib.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |         std::slice::SliceExt::into_vec(self)
[INFO] [stderr]    |                     ^^^^^^^^ could not find `SliceExt` in `slice`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `intovec`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `intovec`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9c9e6dbb1574debce863c619da4566d6765f84dcf90af64f279a4bee9272257d"`
[INFO] running `"docker" "rm" "-f" "9c9e6dbb1574debce863c619da4566d6765f84dcf90af64f279a4bee9272257d"`
[INFO] [stdout] 9c9e6dbb1574debce863c619da4566d6765f84dcf90af64f279a4bee9272257d