[INFO] crate cdchunking 0.2.1 is already in cache
[INFO] extracting crate cdchunking 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/cdchunking/0.2.1
[INFO] extracting crate cdchunking 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cdchunking/0.2.1
[INFO] validating manifest of cdchunking-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 cdchunking-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 cdchunking-0.2.1
[INFO] finished frobbing cdchunking-0.2.1
[INFO] frobbed toml for cdchunking-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cdchunking/0.2.1/Cargo.toml
[INFO] started frobbing cdchunking-0.2.1
[INFO] finished frobbing cdchunking-0.2.1
[INFO] frobbed toml for cdchunking-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cdchunking/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing cdchunking-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/cdchunking/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] ac338b92273bb959bee53fd8d0a29c848854c4227de91a07f666cea3189a73bd
[INFO] running `"docker" "start" "-a" "ac338b92273bb959bee53fd8d0a29c848854c4227de91a07f666cea3189a73bd"`
[INFO] [stderr]    Compiling cdchunking v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "ac338b92273bb959bee53fd8d0a29c848854c4227de91a07f666cea3189a73bd"`
[INFO] running `"docker" "rm" "-f" "ac338b92273bb959bee53fd8d0a29c848854c4227de91a07f666cea3189a73bd"`
[INFO] [stdout] ac338b92273bb959bee53fd8d0a29c848854c4227de91a07f666cea3189a73bd
[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/cdchunking/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] 45a4116b793152c439d2d2ae7c7077eff6bd96934c27d96d0ec46b0e104ec152
[INFO] running `"docker" "start" "-a" "45a4116b793152c439d2d2ae7c7077eff6bd96934c27d96d0ec46b0e104ec152"`
[INFO] [stderr]    Compiling cdchunking v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `chunk`
[INFO] [stderr]    --> src/lib.rs:661:13
[INFO] [stderr]     |
[INFO] [stderr] 661 |         for chunk in chunker.whole_chunks(random) {
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_chunk`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "45a4116b793152c439d2d2ae7c7077eff6bd96934c27d96d0ec46b0e104ec152"`
[INFO] running `"docker" "rm" "-f" "45a4116b793152c439d2d2ae7c7077eff6bd96934c27d96d0ec46b0e104ec152"`
[INFO] [stdout] 45a4116b793152c439d2d2ae7c7077eff6bd96934c27d96d0ec46b0e104ec152
[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/cdchunking/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] df788f735ef51b22f53512b3afbcc71217075c7e0a17b12e3ab8e20caf30dd7b
[INFO] running `"docker" "start" "-a" "df788f735ef51b22f53512b3afbcc71217075c7e0a17b12e3ab8e20caf30dd7b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cdchunking-7af388674cb159c6
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_slices ... ok
[INFO] [stdout] test tests::test_all_chunks ... ok
[INFO] [stdout] test tests::test_stream ... ok
[INFO] [stdout] test tests::test_max_size ... ok
[INFO] [stdout] test tests::test_chunks ... ok
[INFO] [stdout] test tests::test_whole_chunks ... ok
[INFO] [stdout] test tests::test_random ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cdchunking
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs -  (line 28) ... ok
[INFO] [stdout] test src/lib.rs -  (line 35) ... ok
[INFO] [stdout] test src/lib.rs -  (line 49) ... ok
[INFO] [stdout] test src/lib.rs -  (line 102) ... ok
[INFO] [stdout] test src/lib.rs - Chunker<I>::stream (line 196) ... ok
[INFO] [stdout] test src/lib.rs -  (line 64) ... ok
[INFO] [stdout] test src/lib.rs -  (line 78) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "df788f735ef51b22f53512b3afbcc71217075c7e0a17b12e3ab8e20caf30dd7b"`
[INFO] running `"docker" "rm" "-f" "df788f735ef51b22f53512b3afbcc71217075c7e0a17b12e3ab8e20caf30dd7b"`
[INFO] [stdout] df788f735ef51b22f53512b3afbcc71217075c7e0a17b12e3ab8e20caf30dd7b