[INFO] fetching crate rujag 0.1.0...
[INFO] checking rujag-0.1.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate rujag 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rujag 0.1.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rujag 0.1.0
[INFO] finished tweaking crates.io crate rujag 0.1.0
[INFO] tweaked toml for crates.io crate rujag 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 476f1e9875be9157226578a810de882a4ad9cbeca2b5e8b3beeac9ef5a9bbac7
[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" "476f1e9875be9157226578a810de882a4ad9cbeca2b5e8b3beeac9ef5a9bbac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "476f1e9875be9157226578a810de882a4ad9cbeca2b5e8b3beeac9ef5a9bbac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476f1e9875be9157226578a810de882a4ad9cbeca2b5e8b3beeac9ef5a9bbac7", kill_on_drop: false }`
[INFO] [stdout] 476f1e9875be9157226578a810de882a4ad9cbeca2b5e8b3beeac9ef5a9bbac7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4b8d1d69dc930faec96dd4d7acdf4a651adbdaa28eb96892da3b8624affcc94
[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" "b4b8d1d69dc930faec96dd4d7acdf4a651adbdaa28eb96892da3b8624affcc94", kill_on_drop: false }`
[INFO] [stderr]     Checking rujag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/java/generatable.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |           Ok((format!(
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 48 | | "package {};
[INFO] [stdout] 49 | |
[INFO] [stdout] 50 | | {}
[INFO] [stdout] 51 | |
[INFO] [stdout] 52 | | {}
[INFO] [stdout] 53 | | }}", self.package(), head, body)))
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 |         Ok(format!(
[INFO] [stdout] 48 | "package {};
[INFO] [stdout] 49 | 
[INFO] [stdout] 50 | {}
[INFO] [stdout] 51 | 
[INFO] [stdout] 52 | {}
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/java/generatable.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |           Ok((format!(
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 48 | | "package {};
[INFO] [stdout] 49 | |
[INFO] [stdout] 50 | | {}
[INFO] [stdout] 51 | |
[INFO] [stdout] 52 | | {}
[INFO] [stdout] 53 | | }}", self.package(), head, body)))
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 |         Ok(format!(
[INFO] [stdout] 48 | "package {};
[INFO] [stdout] 49 | 
[INFO] [stdout] 50 | {}
[INFO] [stdout] 51 | 
[INFO] [stdout] 52 | {}
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::java::*`
[INFO] [stdout]   --> src/java/generatable.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use crate::java::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "b4b8d1d69dc930faec96dd4d7acdf4a651adbdaa28eb96892da3b8624affcc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b8d1d69dc930faec96dd4d7acdf4a651adbdaa28eb96892da3b8624affcc94", kill_on_drop: false }`
[INFO] [stdout] b4b8d1d69dc930faec96dd4d7acdf4a651adbdaa28eb96892da3b8624affcc94