[INFO] updating cached repository pzmarzly/ffserver-daemon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pzmarzly/ffserver-daemon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pzmarzly/ffserver-daemon" "work/ex/beta-1.37-6/sources/1.36.0/gh/pzmarzly/ffserver-daemon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/pzmarzly/ffserver-daemon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pzmarzly/ffserver-daemon" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pzmarzly/ffserver-daemon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pzmarzly/ffserver-daemon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1da703bfde9571e378475fd1e25b89318d7f744a
[INFO] sha for GitHub repo pzmarzly/ffserver-daemon: 1da703bfde9571e378475fd1e25b89318d7f744a
[INFO] validating manifest of pzmarzly/ffserver-daemon on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pzmarzly/ffserver-daemon on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pzmarzly/ffserver-daemon
[INFO] finished frobbing pzmarzly/ffserver-daemon
[INFO] frobbed toml for pzmarzly/ffserver-daemon written to work/ex/beta-1.37-6/sources/1.36.0/gh/pzmarzly/ffserver-daemon/Cargo.toml
[INFO] started frobbing pzmarzly/ffserver-daemon
[INFO] finished frobbing pzmarzly/ffserver-daemon
[INFO] frobbed toml for pzmarzly/ffserver-daemon written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pzmarzly/ffserver-daemon/Cargo.toml
[INFO] crate pzmarzly/ffserver-daemon already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing pzmarzly/ffserver-daemon against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pzmarzly/ffserver-daemon:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] e6d5ecc45bcd3fbd21316c1a7aef603bb812ade84e90c50906d8447b70396257
[INFO] running `"docker" "start" "-a" "e6d5ecc45bcd3fbd21316c1a7aef603bb812ade84e90c50906d8447b70396257"`
[INFO] [stderr]    Compiling ffserver-daemon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |             if let Ok(mut remote) = remote {
[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 1.14s
[INFO] running `"docker" "inspect" "e6d5ecc45bcd3fbd21316c1a7aef603bb812ade84e90c50906d8447b70396257"`
[INFO] running `"docker" "rm" "-f" "e6d5ecc45bcd3fbd21316c1a7aef603bb812ade84e90c50906d8447b70396257"`
[INFO] [stdout] e6d5ecc45bcd3fbd21316c1a7aef603bb812ade84e90c50906d8447b70396257
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pzmarzly/ffserver-daemon:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] bd54c131fa3d0fc5eeb5cf5470e8c45ca2e8482b041495473122a834ae9ddd49
[INFO] running `"docker" "start" "-a" "bd54c131fa3d0fc5eeb5cf5470e8c45ca2e8482b041495473122a834ae9ddd49"`
[INFO] [stderr]    Compiling ffserver-daemon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:84:23
[INFO] [stderr]    |
[INFO] [stderr] 84 |             if let Ok(mut remote) = remote {
[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 0.78s
[INFO] running `"docker" "inspect" "bd54c131fa3d0fc5eeb5cf5470e8c45ca2e8482b041495473122a834ae9ddd49"`
[INFO] running `"docker" "rm" "-f" "bd54c131fa3d0fc5eeb5cf5470e8c45ca2e8482b041495473122a834ae9ddd49"`
[INFO] [stdout] bd54c131fa3d0fc5eeb5cf5470e8c45ca2e8482b041495473122a834ae9ddd49
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/pzmarzly/ffserver-daemon:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4b17934825f4e62cd459d8915116f3ab1c03e0feb9eaa4bb3d1b842a21da1cad
[INFO] running `"docker" "start" "-a" "4b17934825f4e62cd459d8915116f3ab1c03e0feb9eaa4bb3d1b842a21da1cad"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ffserver_daemon-f22d6c1c827706ff
[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" "4b17934825f4e62cd459d8915116f3ab1c03e0feb9eaa4bb3d1b842a21da1cad"`
[INFO] running `"docker" "rm" "-f" "4b17934825f4e62cd459d8915116f3ab1c03e0feb9eaa4bb3d1b842a21da1cad"`
[INFO] [stdout] 4b17934825f4e62cd459d8915116f3ab1c03e0feb9eaa4bb3d1b842a21da1cad