[INFO] updating cached repository https://github.com/archer884/shuffle
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d16eeb8e3c8a6ebe3f44633c920986facd6c2cd3
[INFO] checking archer884/shuffle against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fshuffle" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/shuffle on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/archer884/shuffle
[INFO] finished tweaking git repo https://github.com/archer884/shuffle
[INFO] tweaked toml for git repo https://github.com/archer884/shuffle written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/shuffle already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] e8c7a3147f0f85f93611bba3febad253a7859c0143a4a526806299325ca39f29
[INFO] running `"docker" "start" "-a" "e8c7a3147f0f85f93611bba3febad253a7859c0143a4a526806299325ca39f29"`
[INFO] [stderr]     Checking shuffle v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `push_all` found for struct `std::vec::Vec<_>` in the current scope
[INFO] [stderr]   --> src/nshuffle.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     vec.push_all(s);
[INFO] [stderr]    |         ^^^^^^^^ method not found in `std::vec::Vec<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shuffle` found for mutable reference `&mut R` in the current scope
[INFO] [stderr]   --> src/nshuffle.rs:52:11
[INFO] [stderr]    |
[INFO] [stderr] 52 |         r.shuffle(&mut vec);
[INFO] [stderr]    |           ^^^^^^^ method not found in `&mut R`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the type parameter is bounded by the trait
[INFO] [stderr] help: the following trait defines an item `shuffle`, perhaps you need to restrict type parameter `R` with it:
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn shuffle<R: rand::prelude::SliceRandom + Rng, T: PartialEq + Clone>(r: &mut R, s: &[T]) -> Vec<T> {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `push_all` found for struct `std::vec::Vec<_>` in the current scope
[INFO] [stderr]   --> src/nshuffle.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     vec.push_all(s);
[INFO] [stderr]    |         ^^^^^^^^ method not found in `std::vec::Vec<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `push_all` found for struct `std::vec::Vec<_>` in the current scope
[INFO] [stderr]   --> src/nshuffle.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     vec.push_all(s);
[INFO] [stderr]    |         ^^^^^^^^ method not found in `std::vec::Vec<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shuffle` found for mutable reference `&mut R` in the current scope
[INFO] [stderr]   --> src/nshuffle.rs:62:11
[INFO] [stderr]    |
[INFO] [stderr] 62 |         r.shuffle(&mut vec)
[INFO] [stderr]    |           ^^^^^^^ method not found in `&mut R`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the type parameter is bounded by the trait
[INFO] [stderr] help: the following trait defines an item `shuffle`, perhaps you need to restrict type parameter `R` with it:
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn extended_shuffle<R: rand::prelude::SliceRandom + Rng, T: PartialEq + Clone>(r: &mut R, s: &[T], p: &[T]) -> Vec<T> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shuffle` found for mutable reference `&mut R` in the current scope
[INFO] [stderr]   --> src/nshuffle.rs:52:11
[INFO] [stderr]    |
[INFO] [stderr] 52 |         r.shuffle(&mut vec);
[INFO] [stderr]    |           ^^^^^^^ method not found in `&mut R`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the type parameter is bounded by the trait
[INFO] [stderr] help: the following trait defines an item `shuffle`, perhaps you need to restrict type parameter `R` with it:
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn shuffle<R: rand::prelude::SliceRandom + Rng, T: PartialEq + Clone>(r: &mut R, s: &[T]) -> Vec<T> {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error[E0599]: no method named `push_all` found for struct `std::vec::Vec<_>` in the current scope
[INFO] [stderr]   --> src/nshuffle.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     vec.push_all(s);
[INFO] [stderr]    |         ^^^^^^^^ method not found in `std::vec::Vec<_>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shuffle` found for mutable reference `&mut R` in the current scope
[INFO] [stderr]   --> src/nshuffle.rs:62:11
[INFO] [stderr]    |
[INFO] [stderr] 62 |         r.shuffle(&mut vec)
[INFO] [stderr]    |           ^^^^^^^ method not found in `&mut R`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the type parameter is bounded by the trait
[INFO] [stderr] help: the following trait defines an item `shuffle`, perhaps you need to restrict type parameter `R` with it:
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub fn extended_shuffle<R: rand::prelude::SliceRandom + Rng, T: PartialEq + Clone>(r: &mut R, s: &[T], p: &[T]) -> Vec<T> {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `shuffle`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `shuffle`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e8c7a3147f0f85f93611bba3febad253a7859c0143a4a526806299325ca39f29"`
[INFO] running `"docker" "rm" "-f" "e8c7a3147f0f85f93611bba3febad253a7859c0143a4a526806299325ca39f29"`
[INFO] [stdout] e8c7a3147f0f85f93611bba3febad253a7859c0143a4a526806299325ca39f29
