[INFO] updating cached repository https://github.com/archer884/raffle [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 058a93b3a9de5b4d80f322217274c60938051e1e [INFO] testing archer884/raffle against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fraffle" "/workspace/builds/worker-9/source", kill_on_drop: false }` [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 beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 74187421e30a07bc1454049142f883bdb0922acb160821971c74003ef639108f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "74187421e30a07bc1454049142f883bdb0922acb160821971c74003ef639108f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "74187421e30a07bc1454049142f883bdb0922acb160821971c74003ef639108f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74187421e30a07bc1454049142f883bdb0922acb160821971c74003ef639108f", kill_on_drop: false }` [INFO] [stdout] 74187421e30a07bc1454049142f883bdb0922acb160821971c74003ef639108f [INFO] running `Command { std: "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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aaaeaca720b91439707aa80879ba36d3cc656728028ba61f1a153fc13bcc476e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "aaaeaca720b91439707aa80879ba36d3cc656728028ba61f1a153fc13bcc476e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling getopts v0.2.21 [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 raffle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `rand::OsRng` [INFO] [stdout] --> src/main.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{ Rng, OsRng }; [INFO] [stdout] | ^^^^^ no `OsRng` in the root [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{ Rng, OsRng }; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `choose` found for struct `rand::prelude::ThreadRng` in the current scope [INFO] [stdout] --> src/main.rs:25:46 [INFO] [stdout] | [INFO] [stdout] 25 | Err(_) => rand::thread_rng().choose(&eligible), [INFO] [stdout] | ^^^^^^ method not found in `rand::prelude::ThreadRng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time [INFO] [stdout] --> src/main.rs:31:22 [INFO] [stdout] | [INFO] [stdout] 31 | Some(winner) => { [INFO] [stdout] | ^^^^^^ doesn't have a size known at compile-time [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::marker::Sized` is not implemented for `str` [INFO] [stdout] = note: to learn more, visit [INFO] [stdout] = note: all local variables must have a statically known size [INFO] [stdout] = help: unsized locals are gated as an unstable feature [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time [INFO] [stdout] --> src/main.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | Some(winner) => { [INFO] [stdout] | ^^^^^^^^^^^^ doesn't have a size known at compile-time [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::marker::Sized` is not implemented for `str` [INFO] [stdout] = note: to learn more, visit [INFO] [stdout] = note: required by `std::prelude::v1::Some` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time [INFO] [stdout] --> src/main.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | None => println!("no winner selected"), [INFO] [stdout] | ^^^^ doesn't have a size known at compile-time [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::marker::Sized` is not implemented for `str` [INFO] [stdout] = note: to learn more, visit [INFO] [stdout] = note: required by `std::prelude::v1::None` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time [INFO] [stdout] --> src/main.rs:33:21 [INFO] [stdout] | [INFO] [stdout] 33 | println!("{}", winner); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::marker::Sized` is not implemented for `str` [INFO] [stdout] = note: to learn more, visit [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `raffle`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "aaaeaca720b91439707aa80879ba36d3cc656728028ba61f1a153fc13bcc476e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aaaeaca720b91439707aa80879ba36d3cc656728028ba61f1a153fc13bcc476e", kill_on_drop: false }` [INFO] [stdout] aaaeaca720b91439707aa80879ba36d3cc656728028ba61f1a153fc13bcc476e