[INFO] cloning repository https://github.com/Shin0kari/durak_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shin0kari/durak_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShin0kari%2Fdurak_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShin0kari%2Fdurak_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e11b15c985d470099ddc0d4b347bca891dbc65ed
[INFO] checking Shin0kari/durak_rust against try#6757d700f93f6d16c8b39cf79e96b019bd570e7d for pr-155299
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShin0kari%2Fdurak_rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Shin0kari/durak_rust
[INFO] finished tweaking git repo https://github.com/Shin0kari/durak_rust
[INFO] tweaked toml for git repo https://github.com/Shin0kari/durak_rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Shin0kari/durak_rust on toolchain 6757d700f93f6d16c8b39cf79e96b019bd570e7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Shin0kari/durak_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "fetch" "--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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ed82a320953a35ee97894ee20754fae8ad4b0a3e0f49004ecdf42d73988ecc3
[INFO] running `Command { std: "docker" "start" "-a" "3ed82a320953a35ee97894ee20754fae8ad4b0a3e0f49004ecdf42d73988ecc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ed82a320953a35ee97894ee20754fae8ad4b0a3e0f49004ecdf42d73988ecc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed82a320953a35ee97894ee20754fae8ad4b0a3e0f49004ecdf42d73988ecc3", kill_on_drop: false }`
[INFO] [stdout] 3ed82a320953a35ee97894ee20754fae8ad4b0a3e0f49004ecdf42d73988ecc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 114c9ed0f5ad86e8e3375353eaaa7b887de8a1faf6a8adc848ff5db80ebfe741
[INFO] running `Command { std: "docker" "start" "-a" "114c9ed0f5ad86e8e3375353eaaa7b887de8a1faf6a8adc848ff5db80ebfe741", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking durak_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:450:48
[INFO] [stdout]     |
[INFO] [stdout] 450 |                         .map(|(card_value, _)| (*card_value))
[INFO] [stdout]     |                                                ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 450 -                         .map(|(card_value, _)| (*card_value))
[INFO] [stdout] 450 +                         .map(|(card_value, _)| *card_value )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:450:48
[INFO] [stdout]     |
[INFO] [stdout] 450 |                         .map(|(card_value, _)| (*card_value))
[INFO] [stdout]     |                                                ^           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 450 -                         .map(|(card_value, _)| (*card_value))
[INFO] [stdout] 450 +                         .map(|(card_value, _)| *card_value )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:602:24
[INFO] [stdout]     |
[INFO] [stdout] 602 |     .map(|card_volume| (card_volume % div_from_volume))
[INFO] [stdout]     |                        ^                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 602 -     .map(|card_volume| (card_volume % div_from_volume))
[INFO] [stdout] 602 +     .map(|card_volume| card_volume % div_from_volume )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/main.rs:602:24
[INFO] [stdout]     |
[INFO] [stdout] 602 |     .map(|card_volume| (card_volume % div_from_volume))
[INFO] [stdout]     |                        ^                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 602 -     .map(|card_volume| (card_volume % div_from_volume))
[INFO] [stdout] 602 +     .map(|card_volume| card_volume % div_from_volume )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `num_throwable_cards` is never read
[INFO] [stdout]    --> src/main.rs:651:17
[INFO] [stdout]     |
[INFO] [stdout] 651 |                 num_throwable_cards -= 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `num_throwable_cards` is never read
[INFO] [stdout]    --> src/main.rs:651:17
[INFO] [stdout]     |
[INFO] [stdout] 651 |                 num_throwable_cards -= 1;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `suit` is never read
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Card {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 35 |     suit: char,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Card` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `suit` is never read
[INFO] [stdout]   --> src/main.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Card {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 35 |     suit: char,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Card` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "114c9ed0f5ad86e8e3375353eaaa7b887de8a1faf6a8adc848ff5db80ebfe741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114c9ed0f5ad86e8e3375353eaaa7b887de8a1faf6a8adc848ff5db80ebfe741", kill_on_drop: false }`
[INFO] [stdout] 114c9ed0f5ad86e8e3375353eaaa7b887de8a1faf6a8adc848ff5db80ebfe741