[INFO] updating cached repository https://github.com/archer884/raffle
[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] 058a93b3a9de5b4d80f322217274c60938051e1e
[INFO] checking archer884/raffle against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fraffle" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/raffle 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/raffle
[INFO] finished tweaking git repo https://github.com/archer884/raffle
[INFO] tweaked toml for git repo https://github.com/archer884/raffle written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/raffle 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] error: the lock file /workspace/builds/worker-9/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[INFO] the lockfile is outdated, regenerating it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] 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] ae8504d95af51792b42ae0d892cba9e6cc5231ebc245c82c21493d0fde1793d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ae8504d95af51792b42ae0d892cba9e6cc5231ebc245c82c21493d0fde1793d4"`
[INFO] [stderr]     Checking raffle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `rand::OsRng`
[INFO] [stderr]  --> src/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::{ Rng, OsRng };
[INFO] [stderr]   |                  ^^^^^ no `OsRng` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/main.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::{ Rng, OsRng };
[INFO] [stderr]   |             ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `choose` found for struct `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/main.rs:25:46
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 Err(_) => rand::thread_rng().choose(&eligible),
[INFO] [stderr]    |                                              ^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stderr]   --> src/main.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 Some(winner) => {
[INFO] [stderr]    |                      ^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `str`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = note: all local variables must have a statically known size
[INFO] [stderr]    = help: unsized locals are gated as an unstable feature
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stderr]   --> src/main.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 Some(winner) => {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `str`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = note: required by `std::prelude::v1::Some`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stderr]   --> src/main.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 None => println!("no winner selected"),
[INFO] [stderr]    |                 ^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `str`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = note: required by `std::prelude::v1::None`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stderr]    --> src/main.rs:33:21
[INFO] [stderr]     |
[INFO] [stderr] 33  |                     println!("{}", winner);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::marker::Sized` is not implemented for `str`
[INFO] [stderr]     = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `raffle`.
[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[E0432]: unresolved import `rand::OsRng`
[INFO] [stderr]  --> src/main.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::{ Rng, OsRng };
[INFO] [stderr]   |                  ^^^^^ no `OsRng` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/main.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::{ Rng, OsRng };
[INFO] [stderr]   |             ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `choose` found for struct `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/main.rs:25:46
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 Err(_) => rand::thread_rng().choose(&eligible),
[INFO] [stderr]    |                                              ^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stderr]   --> src/main.rs:31:22
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 Some(winner) => {
[INFO] [stderr]    |                      ^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `str`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = note: all local variables must have a statically known size
[INFO] [stderr]    = help: unsized locals are gated as an unstable feature
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stderr]   --> src/main.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 Some(winner) => {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `str`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = note: required by `std::prelude::v1::Some`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stderr]   --> src/main.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 None => println!("no winner selected"),
[INFO] [stderr]    |                 ^^^^ doesn't have a size known at compile-time
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::marker::Sized` is not implemented for `str`
[INFO] [stderr]    = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]    = note: required by `std::prelude::v1::None`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stderr]    --> src/main.rs:33:21
[INFO] [stderr]     |
[INFO] [stderr] 33  |                     println!("{}", winner);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::marker::Sized` is not implemented for `str`
[INFO] [stderr]     = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `raffle`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ae8504d95af51792b42ae0d892cba9e6cc5231ebc245c82c21493d0fde1793d4"`
[INFO] running `"docker" "rm" "-f" "ae8504d95af51792b42ae0d892cba9e6cc5231ebc245c82c21493d0fde1793d4"`
[INFO] [stdout] ae8504d95af51792b42ae0d892cba9e6cc5231ebc245c82c21493d0fde1793d4
