[INFO] crate log_buffer 1.2.0 is already in cache
[INFO] extracting crate log_buffer 1.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/log_buffer/1.2.0
[INFO] extracting crate log_buffer 1.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/log_buffer/1.2.0
[INFO] validating manifest of log_buffer-1.2.0 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 log_buffer-1.2.0 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 log_buffer-1.2.0
[INFO] finished frobbing log_buffer-1.2.0
[INFO] frobbed toml for log_buffer-1.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/log_buffer/1.2.0/Cargo.toml
[INFO] started frobbing log_buffer-1.2.0
[INFO] finished frobbing log_buffer-1.2.0
[INFO] frobbed toml for log_buffer-1.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/log_buffer/1.2.0/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 log_buffer-1.2.0 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-4/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/log_buffer/1.2.0:/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] befad0ea8d29b50bde5f43efcf8df83e34c2fa1cc394f987d7ac818c69d9c92c
[INFO] running `"docker" "start" "-a" "befad0ea8d29b50bde5f43efcf8df83e34c2fa1cc394f987d7ac818c69d9c92c"`
[INFO] [stderr]    Compiling log_buffer v1.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `"docker" "inspect" "befad0ea8d29b50bde5f43efcf8df83e34c2fa1cc394f987d7ac818c69d9c92c"`
[INFO] running `"docker" "rm" "-f" "befad0ea8d29b50bde5f43efcf8df83e34c2fa1cc394f987d7ac818c69d9c92c"`
[INFO] [stdout] befad0ea8d29b50bde5f43efcf8df83e34c2fa1cc394f987d7ac818c69d9c92c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/log_buffer/1.2.0:/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] 7b68ef2357d554b1e05b703d6c7638fda25a5defb00031b5ad5038ad312b394d
[INFO] running `"docker" "start" "-a" "7b68ef2357d554b1e05b703d6c7638fda25a5defb00031b5ad5038ad312b394d"`
[INFO] [stderr]    Compiling log_buffer v1.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "7b68ef2357d554b1e05b703d6c7638fda25a5defb00031b5ad5038ad312b394d"`
[INFO] running `"docker" "rm" "-f" "7b68ef2357d554b1e05b703d6c7638fda25a5defb00031b5ad5038ad312b394d"`
[INFO] [stdout] 7b68ef2357d554b1e05b703d6c7638fda25a5defb00031b5ad5038ad312b394d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/log_buffer/1.2.0:/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] 1e72a8a51d2d35373ab8297c0f62d0b4fcf9e6667f578c7dc8a976bde3ebbd88
[INFO] running `"docker" "start" "-a" "1e72a8a51d2d35373ab8297c0f62d0b4fcf9e6667f578c7dc8a976bde3ebbd88"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/log_buffer-79a4dbb1a81c5583
[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]      Running /opt/crater/target/debug/deps/log_buffer-8c3a0f85b43faa28
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test cut_off_utf8 ... ok
[INFO] [stdout] test lines ... ok
[INFO] [stdout] test exhaustive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests log_buffer
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 31) ... ok
[INFO] [stdout] test src/lib.rs -  (line 38) ... ok
[INFO] [stdout] test src/lib.rs -  (line 25) ... ok
[INFO] [stdout] test src/lib.rs -  (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1e72a8a51d2d35373ab8297c0f62d0b4fcf9e6667f578c7dc8a976bde3ebbd88"`
[INFO] running `"docker" "rm" "-f" "1e72a8a51d2d35373ab8297c0f62d0b4fcf9e6667f578c7dc8a976bde3ebbd88"`
[INFO] [stdout] 1e72a8a51d2d35373ab8297c0f62d0b4fcf9e6667f578c7dc8a976bde3ebbd88