[INFO] cloning repository https://github.com/xStFtx/RRPG
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xStFtx/RRPG" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxStFtx%2FRRPG", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxStFtx%2FRRPG'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b168b89d33e35cb22f47506e94af3832ec58b891
[INFO] building xStFtx/RRPG against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FxStFtx%2FRRPG" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xStFtx/RRPG on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xStFtx/RRPG
[INFO] finished tweaking git repo https://github.com/xStFtx/RRPG
[INFO] tweaked toml for git repo https://github.com/xStFtx/RRPG written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xStFtx/RRPG 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3af1ccbc51b4058f4a0850cd873744006a2b58d5036f22fef03ca8ce6dd0c2d
[INFO] running `Command { std: "docker" "start" "-a" "e3af1ccbc51b4058f4a0850cd873744006a2b58d5036f22fef03ca8ce6dd0c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3af1ccbc51b4058f4a0850cd873744006a2b58d5036f22fef03ca8ce6dd0c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3af1ccbc51b4058f4a0850cd873744006a2b58d5036f22fef03ca8ce6dd0c2d", kill_on_drop: false }`
[INFO] [stdout] e3af1ccbc51b4058f4a0850cd873744006a2b58d5036f22fef03ca8ce6dd0c2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dc9320ff7a56236fcbc0b15f48d263322011db2de620de0f4a0909125ab8332
[INFO] running `Command { std: "docker" "start" "-a" "4dc9320ff7a56236fcbc0b15f48d263322011db2de620de0f4a0909125ab8332", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rrpg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `damage_increase`
[INFO] [stdout]    --> src/main.rs:133:40
[INFO] [stdout]     |
[INFO] [stdout] 133 |             ItemEffect::DamageIncrease(damage_increase) => {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_damage_increase`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Mage` and `Rogue` are never constructed
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum CharacterClass {
[INFO] [stdout]   |      -------------- variants in this enum
[INFO] [stdout] 6 |     Warrior,
[INFO] [stdout] 7 |     Mage,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     Rogue,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CharacterClass` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Common`, `Rare`, and `Epic` are never constructed
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum ItemRarity {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 13 |     Common,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     Rare,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     Epic,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ItemRarity` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HealthPotion`, `MagicPotion`, and `DamageBoost` are never constructed
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum ItemType {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 20 |     HealthPotion,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 21 |     MagicPotion,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 22 |     DamageBoost,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ItemType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Heal`, `RestoreMagicPoints`, and `DamageIncrease` are never constructed
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum ItemEffect {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 27 |     Heal(u32),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 28 |     RestoreMagicPoints(u32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     DamageIncrease(u32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ItemEffect` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `experience_points` and `experience_to_level_up` are never read
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Character {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 46 |     experience_points: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |     experience_to_level_up: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuestObjective` is never constructed
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct QuestObjective {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Quest` is never constructed
[INFO] [stdout]   --> src/main.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Quest {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "4dc9320ff7a56236fcbc0b15f48d263322011db2de620de0f4a0909125ab8332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dc9320ff7a56236fcbc0b15f48d263322011db2de620de0f4a0909125ab8332", kill_on_drop: false }`
[INFO] [stdout] 4dc9320ff7a56236fcbc0b15f48d263322011db2de620de0f4a0909125ab8332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 675db56b03dd52866e59fb9760ffa4a9b94392bcea8188a134cc374ea78ffcc5
[INFO] running `Command { std: "docker" "start" "-a" "675db56b03dd52866e59fb9760ffa4a9b94392bcea8188a134cc374ea78ffcc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rrpg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `damage_increase`
[INFO] [stdout]    --> src/main.rs:133:40
[INFO] [stdout]     |
[INFO] [stdout] 133 |             ItemEffect::DamageIncrease(damage_increase) => {
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_damage_increase`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Mage` and `Rogue` are never constructed
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum CharacterClass {
[INFO] [stdout]   |      -------------- variants in this enum
[INFO] [stdout] 6 |     Warrior,
[INFO] [stdout] 7 |     Mage,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     Rogue,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CharacterClass` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Common`, `Rare`, and `Epic` are never constructed
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum ItemRarity {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 13 |     Common,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     Rare,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     Epic,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ItemRarity` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HealthPotion`, `MagicPotion`, and `DamageBoost` are never constructed
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | enum ItemType {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 20 |     HealthPotion,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 21 |     MagicPotion,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 22 |     DamageBoost,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ItemType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Heal`, `RestoreMagicPoints`, and `DamageIncrease` are never constructed
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum ItemEffect {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 27 |     Heal(u32),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 28 |     RestoreMagicPoints(u32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     DamageIncrease(u32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ItemEffect` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `experience_points` and `experience_to_level_up` are never read
[INFO] [stdout]   --> src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Character {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 46 |     experience_points: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 47 |     experience_to_level_up: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuestObjective` is never constructed
[INFO] [stdout]   --> src/main.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct QuestObjective {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Quest` is never constructed
[INFO] [stdout]   --> src/main.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Quest {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "675db56b03dd52866e59fb9760ffa4a9b94392bcea8188a134cc374ea78ffcc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675db56b03dd52866e59fb9760ffa4a9b94392bcea8188a134cc374ea78ffcc5", kill_on_drop: false }`
[INFO] [stdout] 675db56b03dd52866e59fb9760ffa4a9b94392bcea8188a134cc374ea78ffcc5