[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] testing archer884/shuffle against 1.44.0 for beta-1.45-1 [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 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [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 [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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=warn" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7f969ad773f556e600403b9523c671255c651bbfdcb551ad540590786989dd5b [INFO] running `"docker" "start" "-a" "7f969ad773f556e600403b9523c671255c651bbfdcb551ad540590786989dd5b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling shuffle v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/nshuffle.rs:42:1 [INFO] [stderr] | [INFO] [stderr] 42 | #![feature(collections)] [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: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: &mut R, s: &[T]) -> Vec { [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 `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: &mut R, s: &[T], p: &[T]) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0554, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0554`. [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: build failed [INFO] running `"docker" "inspect" "7f969ad773f556e600403b9523c671255c651bbfdcb551ad540590786989dd5b"` [INFO] running `"docker" "rm" "-f" "7f969ad773f556e600403b9523c671255c651bbfdcb551ad540590786989dd5b"` [INFO] [stdout] 7f969ad773f556e600403b9523c671255c651bbfdcb551ad540590786989dd5b