[INFO] fetching crate google-dfareporting3d2 2.0.4+20190531...
[INFO] checking google-dfareporting3d2-2.0.4+20190531 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate google-dfareporting3d2 2.0.4+20190531 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate google-dfareporting3d2 2.0.4+20190531 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate google-dfareporting3d2 2.0.4+20190531
[INFO] finished tweaking crates.io crate google-dfareporting3d2 2.0.4+20190531
[INFO] tweaked toml for crates.io crate google-dfareporting3d2 2.0.4+20190531 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce6af759ee21064bb0c0b1367166b87c1e4eddcd0b0d0a448a72bf4c4973774b
[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" "ce6af759ee21064bb0c0b1367166b87c1e4eddcd0b0d0a448a72bf4c4973774b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce6af759ee21064bb0c0b1367166b87c1e4eddcd0b0d0a448a72bf4c4973774b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6af759ee21064bb0c0b1367166b87c1e4eddcd0b0d0a448a72bf4c4973774b", kill_on_drop: false }`
[INFO] [stdout] ce6af759ee21064bb0c0b1367166b87c1e4eddcd0b0d0a448a72bf4c4973774b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 484b0e9e1de6d8cd60cdeb47d52f1ba67a1a70ab63b456d926ee3d21709d15c4
[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" "484b0e9e1de6d8cd60cdeb47d52f1ba67a1a70ab63b456d926ee3d21709d15c4", kill_on_drop: false }`
[INFO] [stderr]     Checking google-dfareporting3d2 v2.0.4+20190531 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]      --> src/api.rs:31384:25
[INFO] [stdout]       |
[INFO] [stdout] 31384 |                     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:31384:25
[INFO] [stdout]       |
[INFO] [stdout] 31384 |                     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 48.04s
[INFO] running `Command { std: "docker" "inspect" "484b0e9e1de6d8cd60cdeb47d52f1ba67a1a70ab63b456d926ee3d21709d15c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484b0e9e1de6d8cd60cdeb47d52f1ba67a1a70ab63b456d926ee3d21709d15c4", kill_on_drop: false }`
[INFO] [stdout] 484b0e9e1de6d8cd60cdeb47d52f1ba67a1a70ab63b456d926ee3d21709d15c4