[INFO] crate stream_stats 0.1.1 is already in cache
[INFO] extracting crate stream_stats 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/stream_stats/0.1.1
[INFO] extracting crate stream_stats 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stream_stats/0.1.1
[INFO] validating manifest of stream_stats-0.1.1 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 stream_stats-0.1.1 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 stream_stats-0.1.1
[INFO] finished frobbing stream_stats-0.1.1
[INFO] frobbed toml for stream_stats-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/stream_stats/0.1.1/Cargo.toml
[INFO] started frobbing stream_stats-0.1.1
[INFO] finished frobbing stream_stats-0.1.1
[INFO] frobbed toml for stream_stats-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stream_stats/0.1.1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing stream_stats-0.1.1 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/stream_stats/0.1.1:/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] 63ecfcc7c82de165cc223dc36cd182dbcf94f63fc23c717d02900ea8e06a57d9
[INFO] running `"docker" "start" "-a" "63ecfcc7c82de165cc223dc36cd182dbcf94f63fc23c717d02900ea8e06a57d9"`
[INFO] [stderr]    Compiling stream_stats v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:54:27
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn file_or_stdin() -> Box<io::Read> {
[INFO] [stderr]    |                           ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "63ecfcc7c82de165cc223dc36cd182dbcf94f63fc23c717d02900ea8e06a57d9"`
[INFO] running `"docker" "rm" "-f" "63ecfcc7c82de165cc223dc36cd182dbcf94f63fc23c717d02900ea8e06a57d9"`
[INFO] [stdout] 63ecfcc7c82de165cc223dc36cd182dbcf94f63fc23c717d02900ea8e06a57d9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/stream_stats/0.1.1:/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] 49a781c5b5041f55691827a7d697031101c4757ac31d8896f16b0f4e6ef4c9d7
[INFO] running `"docker" "start" "-a" "49a781c5b5041f55691827a7d697031101c4757ac31d8896f16b0f4e6ef4c9d7"`
[INFO] [stderr]    Compiling stream_stats v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:54:27
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn file_or_stdin() -> Box<io::Read> {
[INFO] [stderr]    |                           ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "49a781c5b5041f55691827a7d697031101c4757ac31d8896f16b0f4e6ef4c9d7"`
[INFO] running `"docker" "rm" "-f" "49a781c5b5041f55691827a7d697031101c4757ac31d8896f16b0f4e6ef4c9d7"`
[INFO] [stdout] 49a781c5b5041f55691827a7d697031101c4757ac31d8896f16b0f4e6ef4c9d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/stream_stats/0.1.1:/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] 1829dddfa1f7f8f43fbc171db45a6bd62a3e6bb1ee9508ba30bc29b3161495f2
[INFO] running `"docker" "start" "-a" "1829dddfa1f7f8f43fbc171db45a6bd62a3e6bb1ee9508ba30bc29b3161495f2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stream_stats-391e05da3da9a7d5
[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" "1829dddfa1f7f8f43fbc171db45a6bd62a3e6bb1ee9508ba30bc29b3161495f2"`
[INFO] running `"docker" "rm" "-f" "1829dddfa1f7f8f43fbc171db45a6bd62a3e6bb1ee9508ba30bc29b3161495f2"`
[INFO] [stdout] 1829dddfa1f7f8f43fbc171db45a6bd62a3e6bb1ee9508ba30bc29b3161495f2