[INFO] fetching crate keeshond_treats 0.13.0...
[INFO] checking keeshond_treats-0.13.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate keeshond_treats 0.13.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate keeshond_treats 0.13.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keeshond_treats 0.13.0
[INFO] finished tweaking crates.io crate keeshond_treats 0.13.0
[INFO] tweaked toml for crates.io crate keeshond_treats 0.13.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate keeshond_treats 0.13.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d03457bbb83364c02aa4dd0ae7f4281d278e5dda305fd653063474e5045dece
[INFO] running `Command { std: "docker" "start" "-a" "1d03457bbb83364c02aa4dd0ae7f4281d278e5dda305fd653063474e5045dece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d03457bbb83364c02aa4dd0ae7f4281d278e5dda305fd653063474e5045dece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d03457bbb83364c02aa4dd0ae7f4281d278e5dda305fd653063474e5045dece", kill_on_drop: false }`
[INFO] [stdout] 1d03457bbb83364c02aa4dd0ae7f4281d278e5dda305fd653063474e5045dece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9719d7bca778b8260363bd93764ed28bdc2adee2c65f04214cc09b55fd099b8f
[INFO] running `Command { std: "docker" "start" "-a" "9719d7bca778b8260363bd93764ed28bdc2adee2c65f04214cc09b55fd099b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
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[INFO] [stderr]    Compiling rental-impl v0.5.5
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[INFO] [stderr]     Checking zip v0.5.13
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[INFO] [stderr]     Checking keeshond_audio v0.25.0
[INFO] [stderr]     Checking keeshond v0.27.0
[INFO] [stderr]     Checking keeshond_treats v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/level.rs:366:17
[INFO] [stdout]     |
[INFO] [stdout] 366 |             let mut camera = camera_store.singleton_mut();
[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/world.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut camera = camera_store.singleton_mut();
[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/level.rs:366:17
[INFO] [stdout]     |
[INFO] [stdout] 366 |             let mut camera = camera_store.singleton_mut();
[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/world.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let mut camera = camera_store.singleton_mut();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.59s
[INFO] running `Command { std: "docker" "inspect" "9719d7bca778b8260363bd93764ed28bdc2adee2c65f04214cc09b55fd099b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9719d7bca778b8260363bd93764ed28bdc2adee2c65f04214cc09b55fd099b8f", kill_on_drop: false }`
[INFO] [stdout] 9719d7bca778b8260363bd93764ed28bdc2adee2c65f04214cc09b55fd099b8f