[INFO] cloning repository https://github.com/swordsmanluke/fluxr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swordsmanluke/fluxr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswordsmanluke%2Ffluxr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswordsmanluke%2Ffluxr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d813c035db0793f4fbefb474267131eb6d457a88
[INFO] checking swordsmanluke/fluxr against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswordsmanluke%2Ffluxr" "/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/swordsmanluke/fluxr 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/swordsmanluke/fluxr
[INFO] finished tweaking git repo https://github.com/swordsmanluke/fluxr
[INFO] tweaked toml for git repo https://github.com/swordsmanluke/fluxr written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/swordsmanluke/fluxr 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] warning: unused manifest key: package.debug
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded simplelog v0.7.6
[INFO] [stderr]   Downloaded crossterm v0.17.5
[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] e60b970c0f0cafb43f74534428ea35bc9f58aa5592aa167fbda2d21a3b9d7481
[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" "e60b970c0f0cafb43f74534428ea35bc9f58aa5592aa167fbda2d21a3b9d7481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e60b970c0f0cafb43f74534428ea35bc9f58aa5592aa167fbda2d21a3b9d7481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60b970c0f0cafb43f74534428ea35bc9f58aa5592aa167fbda2d21a3b9d7481", kill_on_drop: false }`
[INFO] [stdout] e60b970c0f0cafb43f74534428ea35bc9f58aa5592aa167fbda2d21a3b9d7481
[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] 1e46d1ce3b9dadef2556fae6430d4d6bfff9f54bfc3c61e425bf14209c2fc90c
[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" "1e46d1ce3b9dadef2556fae6430d4d6bfff9f54bfc3c61e425bf14209c2fc90c", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.debug
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.17.5
[INFO] [stderr]     Checking simplelog v0.7.6
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking fluxr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/crossterm_backend/mod.rs:75:47
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 self.reinflate_ui().unwrap_or({trace!("Failed to reinflate ui!")});
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/crossterm_backend/mod.rs:76:42
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 self.draw_ui().unwrap_or({trace!("Failed to draw ui!")});
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/crossterm_backend/mod.rs:75:47
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 self.reinflate_ui().unwrap_or({trace!("Failed to reinflate ui!")});
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/crossterm_backend/mod.rs:76:42
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 self.draw_ui().unwrap_or({trace!("Failed to draw ui!")});
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.68s
[INFO] running `Command { std: "docker" "inspect" "1e46d1ce3b9dadef2556fae6430d4d6bfff9f54bfc3c61e425bf14209c2fc90c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e46d1ce3b9dadef2556fae6430d4d6bfff9f54bfc3c61e425bf14209c2fc90c", kill_on_drop: false }`
[INFO] [stdout] 1e46d1ce3b9dadef2556fae6430d4d6bfff9f54bfc3c61e425bf14209c2fc90c