[INFO] cloning repository https://github.com/Supersonic2510/rust-minimal-monster-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Supersonic2510/rust-minimal-monster-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSupersonic2510%2Frust-minimal-monster-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSupersonic2510%2Frust-minimal-monster-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dc50efb4f53491ff589608b96e7b585375cdc05
[INFO] checking Supersonic2510/rust-minimal-monster-game/9dc50efb4f53491ff589608b96e7b585375cdc05 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSupersonic2510%2Frust-minimal-monster-game" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Supersonic2510/rust-minimal-monster-game on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Supersonic2510/rust-minimal-monster-game
[INFO] finished tweaking git repo https://github.com/Supersonic2510/rust-minimal-monster-game
[INFO] tweaked toml for git repo https://github.com/Supersonic2510/rust-minimal-monster-game written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Supersonic2510/rust-minimal-monster-game 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dddc0ab6851c609e7ca1ed7c9a385714398d88ef3d361c078cf00afa64f0e454
[INFO] running `Command { std: "docker" "start" "-a" "dddc0ab6851c609e7ca1ed7c9a385714398d88ef3d361c078cf00afa64f0e454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dddc0ab6851c609e7ca1ed7c9a385714398d88ef3d361c078cf00afa64f0e454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dddc0ab6851c609e7ca1ed7c9a385714398d88ef3d361c078cf00afa64f0e454", kill_on_drop: false }`
[INFO] [stdout] dddc0ab6851c609e7ca1ed7c9a385714398d88ef3d361c078cf00afa64f0e454
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43adc44984380156345d988b0de06454315a03b7abd0f1e31f9e70242625abd3
[INFO] running `Command { std: "docker" "start" "-a" "43adc44984380156345d988b0de06454315a03b7abd0f1e31f9e70242625abd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.74
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking demotest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RefCell` and `RefMut`
[INFO] [stdout]  --> src/monster/goblin.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     cell::{RefCell, RefMut},
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell` and `RefMut`
[INFO] [stdout]  --> src/monster/orc.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     cell::{RefCell, RefMut},
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RefMut`
[INFO] [stdout]  --> src/monster.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cell::{RefCell, RefMut},
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell` and `RefMut`
[INFO] [stdout]  --> src/weapon/sword.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cell::{RefCell, RefMut},
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RefMut`
[INFO] [stdout]  --> src/weapon.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |     cell::{RefCell, RefMut},
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell` and `RefMut`
[INFO] [stdout]  --> src/monster/goblin.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     cell::{RefCell, RefMut},
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell` and `RefMut`
[INFO] [stdout]  --> src/monster/orc.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     cell::{RefCell, RefMut},
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RefMut`
[INFO] [stdout]  --> src/monster.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 |     cell::{RefCell, RefMut},
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell` and `RefMut`
[INFO] [stdout]  --> src/weapon/sword.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     cell::{RefCell, RefMut},
[INFO] [stdout]   |            ^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RefMut`
[INFO] [stdout]  --> src/weapon.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 |     cell::{RefCell, RefMut},
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_no_crit` is never used
[INFO] [stdout]   --> src/distributions/damage.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl DamageDistribution {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn new_no_crit(damage_low: i8, damage_center: i8, damage_high: i8) -> Result<Self, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `defend` is never used
[INFO] [stdout]   --> src/monster.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Monster: Debug {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn defend(&self) -> &str;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Goblin` and `Orc` are never constructed
[INFO] [stdout]   --> src/monster.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum MonsterFactory {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] 27 |     Goblin,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     Orc,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MonsterFactory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_name` and `get_damage` are never used
[INFO] [stdout]   --> src/weapon.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Weapon: Debug {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] 13 |     fn get_name(&self) -> Rc<str>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 14 |     fn get_damage(&self) -> i8;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random` is never used
[INFO] [stdout]   --> src/weapon.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl WeaponFactory {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 24 |     pub fn random() -> Rc<RefCell<dyn Weapon>> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_no_crit` is never used
[INFO] [stdout]   --> src/distributions/damage.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl DamageDistribution {
[INFO] [stdout]    | ----------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn new_no_crit(damage_low: i8, damage_center: i8, damage_high: i8) -> Result<Self, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `defend` is never used
[INFO] [stdout]   --> src/monster.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Monster: Debug {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn defend(&self) -> &str;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Goblin` and `Orc` are never constructed
[INFO] [stdout]   --> src/monster.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub enum MonsterFactory {
[INFO] [stdout]    |          -------------- variants in this enum
[INFO] [stdout] 27 |     Goblin,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 28 |     Orc,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MonsterFactory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_name` and `get_damage` are never used
[INFO] [stdout]   --> src/weapon.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Weapon: Debug {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] 13 |     fn get_name(&self) -> Rc<str>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 14 |     fn get_damage(&self) -> i8;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `random` is never used
[INFO] [stdout]   --> src/weapon.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl WeaponFactory {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 24 |     pub fn random() -> Rc<RefCell<dyn Weapon>> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `Command { std: "docker" "inspect" "43adc44984380156345d988b0de06454315a03b7abd0f1e31f9e70242625abd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43adc44984380156345d988b0de06454315a03b7abd0f1e31f9e70242625abd3", kill_on_drop: false }`
[INFO] [stdout] 43adc44984380156345d988b0de06454315a03b7abd0f1e31f9e70242625abd3