[INFO] cloning repository https://github.com/sscherfke/rust-vcprompt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sscherfke/rust-vcprompt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsscherfke%2Frust-vcprompt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsscherfke%2Frust-vcprompt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0bf0ff4a995e123fb037fea30e3f55616754afbf
[INFO] checking sscherfke/rust-vcprompt against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsscherfke%2Frust-vcprompt" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sscherfke/rust-vcprompt on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sscherfke/rust-vcprompt
[INFO] finished tweaking git repo https://github.com/sscherfke/rust-vcprompt
[INFO] tweaked toml for git repo https://github.com/sscherfke/rust-vcprompt written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sscherfke/rust-vcprompt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ab16cfbc08bf23d06f199180f1dd42a1b1f737a892a20d313d3ea82ce250e9a
[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" "6ab16cfbc08bf23d06f199180f1dd42a1b1f737a892a20d313d3ea82ce250e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ab16cfbc08bf23d06f199180f1dd42a1b1f737a892a20d313d3ea82ce250e9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab16cfbc08bf23d06f199180f1dd42a1b1f737a892a20d313d3ea82ce250e9a", kill_on_drop: false }`
[INFO] [stdout] 6ab16cfbc08bf23d06f199180f1dd42a1b1f737a892a20d313d3ea82ce250e9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4840a87b2160a56e72d0139fd72622978459900710c572ca4df94742b4e71328
[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" "4840a87b2160a56e72d0139fd72622978459900710c572ca4df94742b4e71328", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking vcprompt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/util.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         (self.staged == 0 &&
[INFO] [stdout] 47 | |          self.conflicts == 0 &&
[INFO] [stdout] 48 | |          self.changed == 0 &&
[INFO] [stdout] 49 | |          self.untracked == 0)
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.staged == 0 &&
[INFO] [stdout] 47 |          self.conflicts == 0 &&
[INFO] [stdout] 48 |          self.changed == 0 &&
[INFO] [stdout] 49 |          self.untracked == 0
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/util.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         (self.staged == 0 &&
[INFO] [stdout] 47 | |          self.conflicts == 0 &&
[INFO] [stdout] 48 | |          self.changed == 0 &&
[INFO] [stdout] 49 | |          self.untracked == 0)
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.staged == 0 &&
[INFO] [stdout] 47 |          self.conflicts == 0 &&
[INFO] [stdout] 48 |          self.changed == 0 &&
[INFO] [stdout] 49 |          self.untracked == 0
[INFO] [stdout]    |
[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 0.92s
[INFO] running `Command { std: "docker" "inspect" "4840a87b2160a56e72d0139fd72622978459900710c572ca4df94742b4e71328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4840a87b2160a56e72d0139fd72622978459900710c572ca4df94742b4e71328", kill_on_drop: false }`
[INFO] [stdout] 4840a87b2160a56e72d0139fd72622978459900710c572ca4df94742b4e71328