[INFO] crate rev_buf_reader 0.1.1 is already in cache
[INFO] extracting crate rev_buf_reader 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/rev_buf_reader/0.1.1
[INFO] extracting crate rev_buf_reader 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rev_buf_reader/0.1.1
[INFO] validating manifest of rev_buf_reader-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 rev_buf_reader-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 rev_buf_reader-0.1.1
[INFO] finished frobbing rev_buf_reader-0.1.1
[INFO] frobbed toml for rev_buf_reader-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rev_buf_reader/0.1.1/Cargo.toml
[INFO] started frobbing rev_buf_reader-0.1.1
[INFO] finished frobbing rev_buf_reader-0.1.1
[INFO] frobbed toml for rev_buf_reader-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rev_buf_reader/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] [stderr]     Blocking waiting for file lock on package cache
[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 rev_buf_reader-0.1.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rev_buf_reader/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] d2d4842b7eeaac27247ad3186fb3e9200d2b15dc7b4fc1ee661fc19c97f94dfd
[INFO] running `"docker" "start" "-a" "d2d4842b7eeaac27247ad3186fb3e9200d2b15dc7b4fc1ee661fc19c97f94dfd"`
[INFO] [stderr]    Compiling rev_buf_reader v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "d2d4842b7eeaac27247ad3186fb3e9200d2b15dc7b4fc1ee661fc19c97f94dfd"`
[INFO] running `"docker" "rm" "-f" "d2d4842b7eeaac27247ad3186fb3e9200d2b15dc7b4fc1ee661fc19c97f94dfd"`
[INFO] [stdout] d2d4842b7eeaac27247ad3186fb3e9200d2b15dc7b4fc1ee661fc19c97f94dfd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rev_buf_reader/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 04ecae86468b7dbd1debb36b738326d7ccc589857581fbe99a0dd714dee7d2b0
[INFO] running `"docker" "start" "-a" "04ecae86468b7dbd1debb36b738326d7ccc589857581fbe99a0dd714dee7d2b0"`
[INFO] [stderr]    Compiling rev_buf_reader v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "04ecae86468b7dbd1debb36b738326d7ccc589857581fbe99a0dd714dee7d2b0"`
[INFO] running `"docker" "rm" "-f" "04ecae86468b7dbd1debb36b738326d7ccc589857581fbe99a0dd714dee7d2b0"`
[INFO] [stdout] 04ecae86468b7dbd1debb36b738326d7ccc589857581fbe99a0dd714dee7d2b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rev_buf_reader/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 50d8d2dd7875527250153b9b095d7642e49ac78c632198b42ab0619b4b86664d
[INFO] running `"docker" "start" "-a" "50d8d2dd7875527250153b9b095d7642e49ac78c632198b42ab0619b4b86664d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rev_buf_reader-958697ee5850e9c9
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_buffered_reader_invalidated_after_read ... ok
[INFO] [stdout] test tests::test_buffered_reader_seek ... ok
[INFO] [stdout] test tests::test_buffered_reader_invalidated_after_seek ... ok
[INFO] [stdout] test tests::test_buffered_reader ... ok
[INFO] [stdout] test tests::test_buffered_reader_seek_relative ... ok
[INFO] [stdout] test tests::test_lines ... ok
[INFO] [stdout] test tests::test_read_line ... ok
[INFO] [stdout] test tests::test_read_until ... ok
[INFO] [stdout] test tests::test_buffered_reader_seek_underflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rev_buf_reader
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::into_inner (line 366) ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::new (line 211) ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::get_ref (line 296) ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::get_mut (line 318) ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader (line 183) ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::buffer (line 340) ... ok
[INFO] [stdout] test src/lib.rs - RevBufReader<R>::with_capacity (line 231) ... ok
[INFO] [stdout] test src/lib.rs -  (line 10) ... ok
[INFO] [stdout] test src/lib.rs -  (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "50d8d2dd7875527250153b9b095d7642e49ac78c632198b42ab0619b4b86664d"`
[INFO] running `"docker" "rm" "-f" "50d8d2dd7875527250153b9b095d7642e49ac78c632198b42ab0619b4b86664d"`
[INFO] [stdout] 50d8d2dd7875527250153b9b095d7642e49ac78c632198b42ab0619b4b86664d