[INFO] crate rustofi 0.2.2 is already in cache
[INFO] checking rustofi-0.2.2 against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] extracting crate rustofi 0.2.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rustofi 0.2.2 on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustofi 0.2.2
[INFO] finished tweaking crates.io crate rustofi 0.2.2
[INFO] tweaked toml for crates.io crate rustofi 0.2.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rustofi 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88f39519848c9e96535a5ae20346045615c90657c35e1ac619d36f54c1b73c64
[INFO] running `"docker" "start" "-a" "88f39519848c9e96535a5ae20346045615c90657c35e1ac619d36f54c1b73c64"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]     Checking subprocess v0.1.18
[INFO] [stderr]     Checking rustofi v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking pickledb v0.4.0
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/simple_action.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let mut p = Person {
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/simple_window.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Window::new("FizzBuzz in Rofi!").lines(8).show(fizzbuzz());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.96s
[INFO] running `"docker" "inspect" "88f39519848c9e96535a5ae20346045615c90657c35e1ac619d36f54c1b73c64"`
[INFO] running `"docker" "rm" "-f" "88f39519848c9e96535a5ae20346045615c90657c35e1ac619d36f54c1b73c64"`
[INFO] [stdout] 88f39519848c9e96535a5ae20346045615c90657c35e1ac619d36f54c1b73c64