[INFO] cloning repository https://github.com/Chronum94/Knight_vs_Dragon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Chronum94/Knight_vs_Dragon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChronum94%2FKnight_vs_Dragon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChronum94%2FKnight_vs_Dragon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cf0501b6aa34f6ca54fb7077c501c54a969fb79
[INFO] checking Chronum94/Knight_vs_Dragon against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChronum94%2FKnight_vs_Dragon" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chronum94/Knight_vs_Dragon on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Chronum94/Knight_vs_Dragon
[INFO] finished tweaking git repo https://github.com/Chronum94/Knight_vs_Dragon
[INFO] tweaked toml for git repo https://github.com/Chronum94/Knight_vs_Dragon written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Chronum94/Knight_vs_Dragon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f658f90ccb2d03ab0d5fbcd06d48c035a8ae656909444faa7a0632fde75799df
[INFO] running `Command { std: "docker" "start" "-a" "f658f90ccb2d03ab0d5fbcd06d48c035a8ae656909444faa7a0632fde75799df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f658f90ccb2d03ab0d5fbcd06d48c035a8ae656909444faa7a0632fde75799df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f658f90ccb2d03ab0d5fbcd06d48c035a8ae656909444faa7a0632fde75799df", kill_on_drop: false }`
[INFO] [stdout] f658f90ccb2d03ab0d5fbcd06d48c035a8ae656909444faa7a0632fde75799df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e2cb253ecdea4a8f259a00a24dbc3e65ae1a3cdf50f2f80a5780ec93f312230
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8e2cb253ecdea4a8f259a00a24dbc3e65ae1a3cdf50f2f80a5780ec93f312230", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking Knights_vs_Dragons v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dfn_f2`
[INFO] [stdout]   --> src/main.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |         fn attack(&self, dfn_f2: i32, dodge: f32) -> f32 {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_dfn_f2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let mut knight_dmg: f32 = knight.attack(dragon.dfn, dragon.dodge);
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut dragon_dmg: f32 = dragon.attack(knight.dfn, knight.dodge);
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut acc = rand::thread_rng().gen::<f32>();
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 let mut crit = rand::thread_rng().gen::<f32>();
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Knights_vs_Dragons` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `knights_vs_dragons`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dfn_f2`
[INFO] [stdout]   --> src/main.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |         fn attack(&self, dfn_f2: i32, dodge: f32) -> f32 {
[INFO] [stdout]    |                          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_dfn_f2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let mut knight_dmg: f32 = knight.attack(dragon.dfn, dragon.dodge);
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:51:17
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let mut dragon_dmg: f32 = dragon.attack(knight.dfn, knight.dodge);
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |             let mut acc = rand::thread_rng().gen::<f32>();
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:24:21
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 let mut crit = rand::thread_rng().gen::<f32>();
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Knights_vs_Dragons` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `knights_vs_dragons`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "8e2cb253ecdea4a8f259a00a24dbc3e65ae1a3cdf50f2f80a5780ec93f312230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e2cb253ecdea4a8f259a00a24dbc3e65ae1a3cdf50f2f80a5780ec93f312230", kill_on_drop: false }`
[INFO] [stdout] 8e2cb253ecdea4a8f259a00a24dbc3e65ae1a3cdf50f2f80a5780ec93f312230
