[INFO] cloning repository https://github.com/kashan16/RogueLike
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kashan16/RogueLike" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkashan16%2FRogueLike", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkashan16%2FRogueLike'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38070945cc4e8f1d86a76bbaced671cb5eeca17c
[INFO] checking kashan16/RogueLike against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkashan16%2FRogueLike" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kashan16/RogueLike on toolchain 121a90d34197f711021eeb158e7f4184b8be8ceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kashan16/RogueLike
[INFO] finished tweaking git repo https://github.com/kashan16/RogueLike
[INFO] tweaked toml for git repo https://github.com/kashan16/RogueLike written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kashan16/RogueLike 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" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v0.1.1
[INFO] [stderr]       Adding cc v1.2.20
[INFO] [stderr]       Adding lazy_static v0.1.16
[INFO] [stderr]       Adding pkg-config v0.3.32
[INFO] [stderr]       Adding shlex v1.3.0
[INFO] [stderr]       Adding tcod v0.15.0
[INFO] [stderr]       Adding tcod-sys v5.0.1
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cb580a16b12ec955ca99efd5c1a012a382452afef6d191ea519d3eb5991b65b
[INFO] running `Command { std: "docker" "start" "-a" "2cb580a16b12ec955ca99efd5c1a012a382452afef6d191ea519d3eb5991b65b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cb580a16b12ec955ca99efd5c1a012a382452afef6d191ea519d3eb5991b65b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb580a16b12ec955ca99efd5c1a012a382452afef6d191ea519d3eb5991b65b", kill_on_drop: false }`
[INFO] [stdout] 2cb580a16b12ec955ca99efd5c1a012a382452afef6d191ea519d3eb5991b65b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7738a510503215fde9692c6b9a16ad55e166c576f5f3b40826c2ac90778a1c18
[INFO] running `Command { std: "docker" "start" "-a" "7738a510503215fde9692c6b9a16ad55e166c576f5f3b40826c2ac90778a1c18", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]    Compiling cc v1.2.20
[INFO] [stderr]    Compiling tcod-sys v5.0.1
[INFO] [stderr]     Checking tcod v0.15.0
[INFO] [stderr]     Checking roguelike v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::Rng;
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1010:9
[INFO] [stdout]      |
[INFO] [stdout] 1010 |     use rand::distributions::{IndependentSample, Weighted, WeightedChoice};
[INFO] [stdout]      |         ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `serde`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde`, use `cargo add serde` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::Rng;
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1010:9
[INFO] [stdout]      |
[INFO] [stdout] 1010 |     use rand::distributions::{IndependentSample, Weighted, WeightedChoice};
[INFO] [stdout]      |         ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |     ^^^^^ use of unresolved module or unlinked crate `serde`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde`, use `cargo add serde` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:559:13
[INFO] [stdout]     |
[INFO] [stdout] 559 |             rand::thread_rng().gen_range(-1, 2),
[INFO] [stdout]     |             ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:560:13
[INFO] [stdout]     |
[INFO] [stdout] 560 |             rand::thread_rng().gen_range(-1, 2),
[INFO] [stdout]     |             ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:559:13
[INFO] [stdout]     |
[INFO] [stdout] 559 |             rand::thread_rng().gen_range(-1, 2),
[INFO] [stdout]     |             ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:560:13
[INFO] [stdout]     |
[INFO] [stdout] 560 |             rand::thread_rng().gen_range(-1, 2),
[INFO] [stdout]     |             ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:933:17
[INFO] [stdout]     |
[INFO] [stdout] 933 |         let w = rand::thread_rng().gen_range(ROOM_MIN_SIZE, ROOM_MAX_SIZE + 1);
[INFO] [stdout]     |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:934:17
[INFO] [stdout]     |
[INFO] [stdout] 934 |         let h = rand::thread_rng().gen_range(ROOM_MIN_SIZE, ROOM_MAX_SIZE + 1);
[INFO] [stdout]     |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:936:17
[INFO] [stdout]     |
[INFO] [stdout] 936 |         let x = rand::thread_rng().gen_range(0, MAP_WIDTH - w);
[INFO] [stdout]     |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:937:17
[INFO] [stdout]     |
[INFO] [stdout] 937 |         let y = rand::thread_rng().gen_range(0, MAP_HEIGHT - h);
[INFO] [stdout]     |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:933:17
[INFO] [stdout]     |
[INFO] [stdout] 933 |         let w = rand::thread_rng().gen_range(ROOM_MIN_SIZE, ROOM_MAX_SIZE + 1);
[INFO] [stdout]     |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:969:20
[INFO] [stdout]     |
[INFO] [stdout] 969 |                 if rand::random() {
[INFO] [stdout]     |                    ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:934:17
[INFO] [stdout]     |
[INFO] [stdout] 934 |         let h = rand::thread_rng().gen_range(ROOM_MIN_SIZE, ROOM_MAX_SIZE + 1);
[INFO] [stdout]     |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:936:17
[INFO] [stdout]     |
[INFO] [stdout] 936 |         let x = rand::thread_rng().gen_range(0, MAP_WIDTH - w);
[INFO] [stdout]     |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:937:17
[INFO] [stdout]     |
[INFO] [stdout] 937 |         let y = rand::thread_rng().gen_range(0, MAP_HEIGHT - h);
[INFO] [stdout]     |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]    --> src/main.rs:969:20
[INFO] [stdout]     |
[INFO] [stdout] 969 |                 if rand::random() {
[INFO] [stdout]     |                    ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1023:24
[INFO] [stdout]      |
[INFO] [stdout] 1023 |     let num_monsters = rand::thread_rng().gen_range(0, max_monsters + 1);
[INFO] [stdout]      |                        ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1121:17
[INFO] [stdout]      |
[INFO] [stdout] 1121 |         let x = rand::thread_rng().gen_range(room.x1 + 1, room.x2);
[INFO] [stdout]      |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1122:17
[INFO] [stdout]      |
[INFO] [stdout] 1122 |         let y = rand::thread_rng().gen_range(room.y1 + 1, room.y2);
[INFO] [stdout]      |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1126:68
[INFO] [stdout]      |
[INFO] [stdout] 1126 |             let mut monster = match monster_choice.ind_sample(&mut rand::thread_rng()) {
[INFO] [stdout]      |                                                                    ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1163:21
[INFO] [stdout]      |
[INFO] [stdout] 1163 |     let num_items = rand::thread_rng().gen_range(0, max_items + 1);
[INFO] [stdout]      |                     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1023:24
[INFO] [stdout]      |
[INFO] [stdout] 1023 |     let num_monsters = rand::thread_rng().gen_range(0, max_monsters + 1);
[INFO] [stdout]      |                        ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1121:17
[INFO] [stdout]      |
[INFO] [stdout] 1121 |         let x = rand::thread_rng().gen_range(room.x1 + 1, room.x2);
[INFO] [stdout]      |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1122:17
[INFO] [stdout]      |
[INFO] [stdout] 1122 |         let y = rand::thread_rng().gen_range(room.y1 + 1, room.y2);
[INFO] [stdout]      |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1126:68
[INFO] [stdout]      |
[INFO] [stdout] 1126 |             let mut monster = match monster_choice.ind_sample(&mut rand::thread_rng()) {
[INFO] [stdout]      |                                                                    ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1163:21
[INFO] [stdout]      |
[INFO] [stdout] 1163 |     let num_items = rand::thread_rng().gen_range(0, max_items + 1);
[INFO] [stdout]      |                     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1167:17
[INFO] [stdout]      |
[INFO] [stdout] 1167 |         let x = rand::thread_rng().gen_range(room.x1 + 1, room.x2);
[INFO] [stdout]      |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1168:17
[INFO] [stdout]      |
[INFO] [stdout] 1168 |         let y = rand::thread_rng().gen_range(room.y1 + 1, room.y2);
[INFO] [stdout]      |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1172:62
[INFO] [stdout]      |
[INFO] [stdout] 1172 |             let mut item = match item_choice.ind_sample(&mut rand::thread_rng()) {
[INFO] [stdout]      |                                                              ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1167:17
[INFO] [stdout]      |
[INFO] [stdout] 1167 |         let x = rand::thread_rng().gen_range(room.x1 + 1, room.x2);
[INFO] [stdout]      |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1168:17
[INFO] [stdout]      |
[INFO] [stdout] 1168 |         let y = rand::thread_rng().gen_range(room.y1 + 1, room.y2);
[INFO] [stdout]      |                 ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]     --> src/main.rs:1172:62
[INFO] [stdout]      |
[INFO] [stdout] 1172 |             let mut item = match item_choice.ind_sample(&mut rand::thread_rng()) {
[INFO] [stdout]      |                                                              ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     --> src/main.rs:1869:21
[INFO] [stdout]      |
[INFO] [stdout] 1869 |     let save_data = serde_json::to_string(&(game, objects))?;
[INFO] [stdout]      |                     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     --> src/main.rs:1879:18
[INFO] [stdout]      |
[INFO] [stdout] 1879 |     let result = serde_json::from_str::<(Game, Vec<Object>)>(&json_save_state)?;
[INFO] [stdout]      |                  ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     --> src/main.rs:1869:21
[INFO] [stdout]      |
[INFO] [stdout] 1869 |     let save_data = serde_json::to_string(&(game, objects))?;
[INFO] [stdout]      |                     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     --> src/main.rs:1879:18
[INFO] [stdout]      |
[INFO] [stdout] 1879 |     let result = serde_json::from_str::<(Game, Vec<Object>)>(&json_save_state)?;
[INFO] [stdout]      |                  ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]      |
[INFO] [stdout]      = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `roguelike` (bin "roguelike") due to 20 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `roguelike` (bin "roguelike" test) due to 20 previous errors
[INFO] running `Command { std: "docker" "inspect" "7738a510503215fde9692c6b9a16ad55e166c576f5f3b40826c2ac90778a1c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7738a510503215fde9692c6b9a16ad55e166c576f5f3b40826c2ac90778a1c18", kill_on_drop: false }`
[INFO] [stdout] 7738a510503215fde9692c6b9a16ad55e166c576f5f3b40826c2ac90778a1c18