[INFO] crate ffmpeg-screen-recorder 1.0.7 is already in cache
[INFO] testing ffmpeg-screen-recorder-1.0.7 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate ffmpeg-screen-recorder 1.0.7 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate ffmpeg-screen-recorder 1.0.7 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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 work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 9e3236c6d0a0f8b8dba53ad73304e05c935ad99de06def9e90328e70c2ebf622
[INFO] running `"docker" "start" "-a" "9e3236c6d0a0f8b8dba53ad73304e05c935ad99de06def9e90328e70c2ebf622"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 4.78s
[INFO] running `"docker" "inspect" "9e3236c6d0a0f8b8dba53ad73304e05c935ad99de06def9e90328e70c2ebf622"`
[INFO] running `"docker" "rm" "-f" "9e3236c6d0a0f8b8dba53ad73304e05c935ad99de06def9e90328e70c2ebf622"`
[INFO] [stdout] 9e3236c6d0a0f8b8dba53ad73304e05c935ad99de06def9e90328e70c2ebf622
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1d9f8ac646f6a6114f40425a6ce33117d3d35b2d94d53f74ba76d3025bd1f390
[INFO] running `"docker" "start" "-a" "1d9f8ac646f6a6114f40425a6ce33117d3d35b2d94d53f74ba76d3025bd1f390"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "1d9f8ac646f6a6114f40425a6ce33117d3d35b2d94d53f74ba76d3025bd1f390"`
[INFO] running `"docker" "rm" "-f" "1d9f8ac646f6a6114f40425a6ce33117d3d35b2d94d53f74ba76d3025bd1f390"`
[INFO] [stdout] 1d9f8ac646f6a6114f40425a6ce33117d3d35b2d94d53f74ba76d3025bd1f390
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 1419f646aacd1bf12f17f78321f945ccad9948c781794d361c2b4a5a5b16a42e
[INFO] running `"docker" "start" "-a" "1419f646aacd1bf12f17f78321f945ccad9948c781794d361c2b4a5a5b16a42e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ffmpeg_screen_recorder-c40ae7d905d1da67
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ffmpeg_screen_recorder-6fe1db245f77d033
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ffmpeg-screen-recorder
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1419f646aacd1bf12f17f78321f945ccad9948c781794d361c2b4a5a5b16a42e"`
[INFO] running `"docker" "rm" "-f" "1419f646aacd1bf12f17f78321f945ccad9948c781794d361c2b4a5a5b16a42e"`
[INFO] [stdout] 1419f646aacd1bf12f17f78321f945ccad9948c781794d361c2b4a5a5b16a42e