[INFO] cloning repository https://github.com/phreaknik/dice-mnemonics
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fdice-mnemonics'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1409e6e3ebd73f6debdf88c572df9abaa9210e19
[INFO] checking phreaknik/dice-mnemonics against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphreaknik%2Fdice-mnemonics" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phreaknik/dice-mnemonics on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/phreaknik/dice-mnemonics already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 542bb40e50874c67d015a8ab297384265fc8f0f7d96786e41246671a98f82202
[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" "542bb40e50874c67d015a8ab297384265fc8f0f7d96786e41246671a98f82202"`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking dicephrase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/monero.rs:134:30
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn prompt_user(msg: &str) -> (Result<String, String>) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/monero.rs:134:30
[INFO] [stderr]     |
[INFO] [stderr] 134 | fn prompt_user(msg: &str) -> (Result<String, String>) {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rolls` is never read
[INFO] [stderr]   --> src/monero.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let mut rolls: Vec<usize> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rolls` is never read
[INFO] [stderr]   --> src/monero.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let mut rolls: Vec<usize> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.72s
[INFO] running `"docker" "inspect" "542bb40e50874c67d015a8ab297384265fc8f0f7d96786e41246671a98f82202"`
[INFO] running `"docker" "rm" "-f" "542bb40e50874c67d015a8ab297384265fc8f0f7d96786e41246671a98f82202"`
[INFO] [stdout] 542bb40e50874c67d015a8ab297384265fc8f0f7d96786e41246671a98f82202