[INFO] crate mpeg_encoder 0.2.1 is already in cache
[INFO] extracting crate mpeg_encoder 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/mpeg_encoder/0.2.1
[INFO] extracting crate mpeg_encoder 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mpeg_encoder/0.2.1
[INFO] validating manifest of mpeg_encoder-0.2.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mpeg_encoder-0.2.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mpeg_encoder-0.2.1
[INFO] finished frobbing mpeg_encoder-0.2.1
[INFO] frobbed toml for mpeg_encoder-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mpeg_encoder/0.2.1/Cargo.toml
[INFO] started frobbing mpeg_encoder-0.2.1
[INFO] finished frobbing mpeg_encoder-0.2.1
[INFO] frobbed toml for mpeg_encoder-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mpeg_encoder/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mpeg_encoder-0.2.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mpeg_encoder/0.2.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] ed88f3d2954d2e7b3e6e805e0292fbe808014abfb3589331b4906d0647431138
[INFO] running `"docker" "start" "-a" "ed88f3d2954d2e7b3e6e805e0292fbe808014abfb3589331b4906d0647431138"`
[INFO] [stderr]    Compiling ffmpeg-sys v2.8.9
[INFO] [stderr]    Compiling mpeg_encoder v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `avformat_init` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | static mut avformat_init: Once = ONCE_INIT;
[INFO] [stderr]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `AVFORMAT_INIT`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:7:9
[INFO] [stderr]    |
[INFO] [stderr] 7  | #![deny(non_upper_case_globals)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `"docker" "inspect" "ed88f3d2954d2e7b3e6e805e0292fbe808014abfb3589331b4906d0647431138"`
[INFO] running `"docker" "rm" "-f" "ed88f3d2954d2e7b3e6e805e0292fbe808014abfb3589331b4906d0647431138"`
[INFO] [stdout] ed88f3d2954d2e7b3e6e805e0292fbe808014abfb3589331b4906d0647431138
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mpeg_encoder/0.2.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0f18d91a285eab9e83d46ea1607793a26c2eedb012883e85727b3c0992907299
[INFO] running `"docker" "start" "-a" "0f18d91a285eab9e83d46ea1607793a26c2eedb012883e85727b3c0992907299"`
[INFO] [stderr]    Compiling mpeg_encoder v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `avformat_init` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | static mut avformat_init: Once = ONCE_INIT;
[INFO] [stderr]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `AVFORMAT_INIT`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:7:9
[INFO] [stderr]    |
[INFO] [stderr] 7  | #![deny(non_upper_case_globals)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "0f18d91a285eab9e83d46ea1607793a26c2eedb012883e85727b3c0992907299"`
[INFO] running `"docker" "rm" "-f" "0f18d91a285eab9e83d46ea1607793a26c2eedb012883e85727b3c0992907299"`
[INFO] [stdout] 0f18d91a285eab9e83d46ea1607793a26c2eedb012883e85727b3c0992907299
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mpeg_encoder/0.2.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b0e4f6a83297a3f2fc574fcabc7ce500517b8a1cab558be88fd2abb81b8d4c78
[INFO] running `"docker" "start" "-a" "b0e4f6a83297a3f2fc574fcabc7ce500517b8a1cab558be88fd2abb81b8d4c78"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mpeg_encoder-d2b208ed083c6b3e
[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 mpeg_encoder
[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" "b0e4f6a83297a3f2fc574fcabc7ce500517b8a1cab558be88fd2abb81b8d4c78"`
[INFO] running `"docker" "rm" "-f" "b0e4f6a83297a3f2fc574fcabc7ce500517b8a1cab558be88fd2abb81b8d4c78"`
[INFO] [stdout] b0e4f6a83297a3f2fc574fcabc7ce500517b8a1cab558be88fd2abb81b8d4c78