[INFO] fetching crate google-playcustomapp1 2.0.4+20210331...
[INFO] checking google-playcustomapp1-2.0.4+20210331 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate google-playcustomapp1 2.0.4+20210331 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate google-playcustomapp1 2.0.4+20210331 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate google-playcustomapp1 2.0.4+20210331
[INFO] finished tweaking crates.io crate google-playcustomapp1 2.0.4+20210331
[INFO] tweaked toml for crates.io crate google-playcustomapp1 2.0.4+20210331 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 3de62c0fea4f16f0f64b93ff890b0c893d1727dd3098de5ed6465c40c76157ef
[INFO] running `Command { std: "docker" "start" "-a" "3de62c0fea4f16f0f64b93ff890b0c893d1727dd3098de5ed6465c40c76157ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3de62c0fea4f16f0f64b93ff890b0c893d1727dd3098de5ed6465c40c76157ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3de62c0fea4f16f0f64b93ff890b0c893d1727dd3098de5ed6465c40c76157ef", kill_on_drop: false }`
[INFO] [stdout] 3de62c0fea4f16f0f64b93ff890b0c893d1727dd3098de5ed6465c40c76157ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56105836ad5a188245155d2e87bfe05b8044757fdd93bb4551aac506745c8813
[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" "56105836ad5a188245155d2e87bfe05b8044757fdd93bb4551aac506745c8813", kill_on_drop: false }`
[INFO] [stderr]     Checking google-playcustomapp1 v2.0.4+20210331 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]    --> src/api.rs:414:25
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     let url = upload_url.as_ref().and_then(|s| Some(url::Url::parse(s).unwrap())).unwrap();
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]    --> src/api.rs:414:25
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     let url = upload_url.as_ref().and_then(|s| Some(url::Url::parse(s).unwrap())).unwrap();
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "56105836ad5a188245155d2e87bfe05b8044757fdd93bb4551aac506745c8813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56105836ad5a188245155d2e87bfe05b8044757fdd93bb4551aac506745c8813", kill_on_drop: false }`
[INFO] [stdout] 56105836ad5a188245155d2e87bfe05b8044757fdd93bb4551aac506745c8813