[INFO] crate ffmpeg-screen-recorder 1.0.7 is already in cache
[INFO] checking ffmpeg-screen-recorder-1.0.7 against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] extracting crate ffmpeg-screen-recorder 1.0.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ffmpeg-screen-recorder 1.0.7 on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ffmpeg-screen-recorder 1.0.7
[INFO] finished tweaking crates.io crate ffmpeg-screen-recorder 1.0.7
[INFO] tweaked toml for crates.io crate ffmpeg-screen-recorder 1.0.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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] 2b51df63f2024a724cf679bf2186c7999747225c73a560294051f9408afcf6a6
[INFO] running `"docker" "start" "-a" "2b51df63f2024a724cf679bf2186c7999747225c73a560294051f9408afcf6a6"`
[INFO] [stderr]     Checking subprocess v0.1.18
[INFO] [stderr]     Checking ffmpeg-screen-recorder v1.0.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:87:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let mut path = Path::new(ffmpeg_path);
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:87:17
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let mut path = Path::new(ffmpeg_path);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `"docker" "inspect" "2b51df63f2024a724cf679bf2186c7999747225c73a560294051f9408afcf6a6"`
[INFO] running `"docker" "rm" "-f" "2b51df63f2024a724cf679bf2186c7999747225c73a560294051f9408afcf6a6"`
[INFO] [stdout] 2b51df63f2024a724cf679bf2186c7999747225c73a560294051f9408afcf6a6