[INFO] cloning repository https://github.com/phreaknik/dice-mnemonics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phreaknik/dice-mnemonics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fdice-mnemonics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fdice-mnemonics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1409e6e3ebd73f6debdf88c572df9abaa9210e19
[INFO] checking phreaknik/dice-mnemonics against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fdice-mnemonics" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phreaknik/dice-mnemonics on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phreaknik/dice-mnemonics
[INFO] finished tweaking git repo https://github.com/phreaknik/dice-mnemonics
[INFO] tweaked toml for git repo https://github.com/phreaknik/dice-mnemonics written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/phreaknik/dice-mnemonics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e83b33cbdc1c79a51ffeab78547dc87226d362f976b60e79ec86d2b9fb3a0a69
[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" "e83b33cbdc1c79a51ffeab78547dc87226d362f976b60e79ec86d2b9fb3a0a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e83b33cbdc1c79a51ffeab78547dc87226d362f976b60e79ec86d2b9fb3a0a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83b33cbdc1c79a51ffeab78547dc87226d362f976b60e79ec86d2b9fb3a0a69", kill_on_drop: false }`
[INFO] [stdout] e83b33cbdc1c79a51ffeab78547dc87226d362f976b60e79ec86d2b9fb3a0a69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d96e21f4bd1b4a3b297d9b8fa4c802b625891e296a64c8858ad48c969ff8f5c
[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" "2d96e21f4bd1b4a3b297d9b8fa4c802b625891e296a64c8858ad48c969ff8f5c", kill_on_drop: false }`
[INFO] [stderr]     Checking dicephrase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/monero.rs:134:30
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn prompt_user(msg: &str) -> (Result<String, String>) {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/monero.rs:134:30
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn prompt_user(msg: &str) -> (Result<String, String>) {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rolls` is never read
[INFO] [stdout]   --> src/monero.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut rolls: Vec<usize> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rolls` is never read
[INFO] [stdout]   --> src/monero.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut rolls: Vec<usize> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d96e21f4bd1b4a3b297d9b8fa4c802b625891e296a64c8858ad48c969ff8f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d96e21f4bd1b4a3b297d9b8fa4c802b625891e296a64c8858ad48c969ff8f5c", kill_on_drop: false }`
[INFO] [stdout] 2d96e21f4bd1b4a3b297d9b8fa4c802b625891e296a64c8858ad48c969ff8f5c