[INFO] cloning repository https://github.com/nbrendler/rust-breakout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nbrendler/rust-breakout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbrendler%2Frust-breakout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbrendler%2Frust-breakout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb27b6be31cdc7c076cf97c2aa325eac59f133c4
[INFO] checking nbrendler/rust-breakout against try#163937523761cc0def32f1ba9ed63fdf65ad3478 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnbrendler%2Frust-breakout" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nbrendler/rust-breakout
[INFO] finished tweaking git repo https://github.com/nbrendler/rust-breakout
[INFO] tweaked toml for git repo https://github.com/nbrendler/rust-breakout written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nbrendler/rust-breakout on toolchain 163937523761cc0def32f1ba9ed63fdf65ad3478
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nbrendler/rust-breakout 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" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a2267b4b6c5101c99fde1f589079aae5fd4749431b701465f3ff7fdcfa22c4e3
[INFO] running `Command { std: "docker" "start" "a2267b4b6c5101c99fde1f589079aae5fd4749431b701465f3ff7fdcfa22c4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a2267b4b6c5101c99fde1f589079aae5fd4749431b701465f3ff7fdcfa22c4e3" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2267b4b6c5101c99fde1f589079aae5fd4749431b701465f3ff7fdcfa22c4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a2267b4b6c5101c99fde1f589079aae5fd4749431b701465f3ff7fdcfa22c4e3" "/opt/rustwide/cargo-home/bin/cargo" "+163937523761cc0def32f1ba9ed63fdf65ad3478" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling glfw-sys v3.3.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling luminance-derive v0.5.2
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling derivative v1.0.3
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking shred v0.9.4
[INFO] [stderr]     Checking luminance v0.38.0
[INFO] [stderr]     Checking glfw v0.34.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking specs v0.15.1
[INFO] [stderr]     Checking luminance-windowing v0.8.1
[INFO] [stderr]     Checking image v0.22.4
[INFO] [stderr]     Checking luminance-glfw v0.12.0
[INFO] [stderr]     Checking breakout-clone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/systems/ball.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for (t, mut b, hb, e) in (&mut transforms, &mut balls, &sprites, &entities).join() {
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/systems/ball.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |             for (t, mut b, hb, e) in (&mut transforms, &mut balls, &sprites, &entities).join() {
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.38s
[INFO] running `Command { std: "docker" "inspect" "a2267b4b6c5101c99fde1f589079aae5fd4749431b701465f3ff7fdcfa22c4e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2267b4b6c5101c99fde1f589079aae5fd4749431b701465f3ff7fdcfa22c4e3", kill_on_drop: false }`
[INFO] [stdout] a2267b4b6c5101c99fde1f589079aae5fd4749431b701465f3ff7fdcfa22c4e3
