[INFO] fetching crate rujag 0.1.0...
[INFO] checking rujag-0.1.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate rujag 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rujag 0.1.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 152f6af741d256450538814c744108c9ffd6845093b7ecc7482ab04945fbdc88
[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" "152f6af741d256450538814c744108c9ffd6845093b7ecc7482ab04945fbdc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "152f6af741d256450538814c744108c9ffd6845093b7ecc7482ab04945fbdc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152f6af741d256450538814c744108c9ffd6845093b7ecc7482ab04945fbdc88", kill_on_drop: false }`
[INFO] [stdout] 152f6af741d256450538814c744108c9ffd6845093b7ecc7482ab04945fbdc88
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a9df4484c5b208892290712d4fbf80d736f40b17de739e4eb9d2e968f7005c7
[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" "3a9df4484c5b208892290712d4fbf80d736f40b17de739e4eb9d2e968f7005c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "3a9df4484c5b208892290712d4fbf80d736f40b17de739e4eb9d2e968f7005c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9df4484c5b208892290712d4fbf80d736f40b17de739e4eb9d2e968f7005c7", kill_on_drop: false }`
[INFO] [stdout] 3a9df4484c5b208892290712d4fbf80d736f40b17de739e4eb9d2e968f7005c7