[INFO] cloning repository https://github.com/n1k0der/games_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n1k0der/games_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn1k0der%2Fgames_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn1k0der%2Fgames_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 627a3a864bc687105093e083a507e39aac032b66
[INFO] checking n1k0der/games_in_rust against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn1k0der%2Fgames_in_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/n1k0der/games_in_rust
[INFO] finished tweaking git repo https://github.com/n1k0der/games_in_rust
[INFO] tweaked toml for git repo https://github.com/n1k0der/games_in_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/n1k0der/games_in_rust on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/n1k0der/games_in_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" "+95813608313bff49cfc1afc393a946a3c085b772" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking n1k0der/games_in_rust against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn1k0der%2Fgames_in_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/n1k0der/games_in_rust
[INFO] finished tweaking git repo https://github.com/n1k0der/games_in_rust
[INFO] tweaked toml for git repo https://github.com/n1k0der/games_in_rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/n1k0der/games_in_rust on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/n1k0der/games_in_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" "+95813608313bff49cfc1afc393a946a3c085b772" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01777e3a1f980db94aa6ef37aa9c351f6885a395d79644c2bcbb98396e1944b9
[INFO] running `Command { std: "docker" "start" "-a" "01777e3a1f980db94aa6ef37aa9c351f6885a395d79644c2bcbb98396e1944b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01777e3a1f980db94aa6ef37aa9c351f6885a395d79644c2bcbb98396e1944b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01777e3a1f980db94aa6ef37aa9c351f6885a395d79644c2bcbb98396e1944b9", kill_on_drop: false }`
[INFO] [stdout] 01777e3a1f980db94aa6ef37aa9c351f6885a395d79644c2bcbb98396e1944b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51ad0bb0fe534f578e97554fc0c9466d87c7cd7ee84257edb19e33d4f982a302
[INFO] running `Command { std: "docker" "start" "-a" "51ad0bb0fe534f578e97554fc0c9466d87c7cd7ee84257edb19e33d4f982a302", kill_on_drop: false }`
[INFO] [stderr]     Checking simulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |     use std::{collections::HashMap, fmt::Debug};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/lib.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use crate::citizen::{self, Citizen};
[INFO] [stdout]    |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 |     use std::{collections::HashMap, fmt::Debug};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/lib.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |     use crate::citizen::{self, Citizen};
[INFO] [stdout]    |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |         fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |         fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:183:27
[INFO] [stdout]     |
[INFO] [stdout] 183 |             fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/lib.rs:183:27
[INFO] [stdout]     |
[INFO] [stdout] 183 |             fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `political_options`, `government_performance`, `initial_distribution`, `year`, and `vote_age` are never read
[INFO] [stdout]   --> src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub struct Society {
[INFO] [stdout]    |                ------- fields in this struct
[INFO] [stdout] 43 |         pub citizens : Vec<Citizen>,
[INFO] [stdout] 44 |         political_options: PoliticalOptions,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |         government_performance: GovernmentPerformance,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 46 |         initial_distribution: InitialDistribution,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |         year: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 48 |         vote_age: VoteAge,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `political_options`, `government_performance`, `initial_distribution`, `year`, and `vote_age` are never read
[INFO] [stdout]   --> src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub struct Society {
[INFO] [stdout]    |                ------- fields in this struct
[INFO] [stdout] 43 |         pub citizens : Vec<Citizen>,
[INFO] [stdout] 44 |         political_options: PoliticalOptions,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 45 |         government_performance: GovernmentPerformance,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 46 |         initial_distribution: InitialDistribution,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |         year: u32,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 48 |         vote_age: VoteAge,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:53:22
[INFO] [stdout]    |
[INFO] [stdout] 53 |         ThreeOptions(u8),
[INFO] [stdout]    |         ------------ ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 -         ThreeOptions(u8),
[INFO] [stdout] 53 +         ThreeOptions(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:53:22
[INFO] [stdout]    |
[INFO] [stdout] 53 |         ThreeOptions(u8),
[INFO] [stdout]    |         ------------ ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 53 -         ThreeOptions(u8),
[INFO] [stdout] 53 +         ThreeOptions(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TwoOptions` is never constructed
[INFO] [stdout]   --> src/lib.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     enum PoliticalOptions {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] 53 |         ThreeOptions(u8),
[INFO] [stdout] 54 |         TwoOptions(u8),
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TwoOptions` is never constructed
[INFO] [stdout]   --> src/lib.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     enum PoliticalOptions {
[INFO] [stdout]    |          ---------------- variant in this enum
[INFO] [stdout] 53 |         ThreeOptions(u8),
[INFO] [stdout] 54 |         TwoOptions(u8),
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Fixed(u8),
[INFO] [stdout]    |         ----- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 58 -         Fixed(u8),
[INFO] [stdout] 58 +         Fixed(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |         Fixed(u8),
[INFO] [stdout]    |         ----- ^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 58 -         Fixed(u8),
[INFO] [stdout] 58 +         Fixed(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ranged` is never constructed
[INFO] [stdout]   --> src/lib.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     enum GovernmentPerformance {
[INFO] [stdout]    |          --------------------- variant in this enum
[INFO] [stdout] 58 |         Fixed(u8),
[INFO] [stdout] 59 |         Ranged(u8, u8),
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ranged` is never constructed
[INFO] [stdout]   --> src/lib.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     enum GovernmentPerformance {
[INFO] [stdout]    |          --------------------- variant in this enum
[INFO] [stdout] 58 |         Fixed(u8),
[INFO] [stdout] 59 |         Ranged(u8, u8),
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Seed` and `FixedPattern` are never constructed
[INFO] [stdout]   --> src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     enum InitialDistribution {
[INFO] [stdout]    |          ------------------- variants in this enum
[INFO] [stdout] 63 |         Random,
[INFO] [stdout] 64 |         Seed(Vec<u8>, u8),
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 65 |         FixedPattern(Vec<u8>),
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Seed` and `FixedPattern` are never constructed
[INFO] [stdout]   --> src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     enum InitialDistribution {
[INFO] [stdout]    |          ------------------- variants in this enum
[INFO] [stdout] 63 |         Random,
[INFO] [stdout] 64 |         Seed(Vec<u8>, u8),
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 65 |         FixedPattern(Vec<u8>),
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Eighteen` is never constructed
[INFO] [stdout]   --> src/lib.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     enum VoteAge {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] 69 |         TwentyOne,
[INFO] [stdout] 70 |         Eighteen,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Eighteen` is never constructed
[INFO] [stdout]   --> src/lib.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     enum VoteAge {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] 69 |         TwentyOne,
[INFO] [stdout] 70 |         Eighteen,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "51ad0bb0fe534f578e97554fc0c9466d87c7cd7ee84257edb19e33d4f982a302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ad0bb0fe534f578e97554fc0c9466d87c7cd7ee84257edb19e33d4f982a302", kill_on_drop: false }`
[INFO] [stdout] 51ad0bb0fe534f578e97554fc0c9466d87c7cd7ee84257edb19e33d4f982a302