[INFO] crate stackdriver_logger 0.5.0 is already in cache
[INFO] extracting crate stackdriver_logger 0.5.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/stackdriver_logger/0.5.0
[INFO] extracting crate stackdriver_logger 0.5.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stackdriver_logger/0.5.0
[INFO] validating manifest of stackdriver_logger-0.5.0 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 stackdriver_logger-0.5.0 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 stackdriver_logger-0.5.0
[INFO] finished frobbing stackdriver_logger-0.5.0
[INFO] frobbed toml for stackdriver_logger-0.5.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/stackdriver_logger/0.5.0/Cargo.toml
[INFO] started frobbing stackdriver_logger-0.5.0
[INFO] finished frobbing stackdriver_logger-0.5.0
[INFO] frobbed toml for stackdriver_logger-0.5.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stackdriver_logger/0.5.0/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 stackdriver_logger-0.5.0 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/stackdriver_logger/0.5.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0773f3264d15a984d028f8746a69b7bfe499ca8df42a51e95ac1c959152a0347
[INFO] running `"docker" "start" "-a" "0773f3264d15a984d028f8746a69b7bfe499ca8df42a51e95ac1c959152a0347"`
[INFO] [stderr]    Compiling pretty_env_logger v0.3.1
[INFO] [stderr]    Compiling stackdriver_logger v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'env_logger::Builder::parse': use `parse_filters` instead.
[INFO] [stderr]   --> src/lib.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |             builder.parse(&s);
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `"docker" "inspect" "0773f3264d15a984d028f8746a69b7bfe499ca8df42a51e95ac1c959152a0347"`
[INFO] running `"docker" "rm" "-f" "0773f3264d15a984d028f8746a69b7bfe499ca8df42a51e95ac1c959152a0347"`
[INFO] [stdout] 0773f3264d15a984d028f8746a69b7bfe499ca8df42a51e95ac1c959152a0347
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/stackdriver_logger/0.5.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a5302e97c5e7003fe192a650c9b198b0408f55edb1fc83dfa474394de2a8089d
[INFO] running `"docker" "start" "-a" "a5302e97c5e7003fe192a650c9b198b0408f55edb1fc83dfa474394de2a8089d"`
[INFO] [stderr]    Compiling stackdriver_logger v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'env_logger::Builder::parse': use `parse_filters` instead.
[INFO] [stderr]   --> src/lib.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |             builder.parse(&s);
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "a5302e97c5e7003fe192a650c9b198b0408f55edb1fc83dfa474394de2a8089d"`
[INFO] running `"docker" "rm" "-f" "a5302e97c5e7003fe192a650c9b198b0408f55edb1fc83dfa474394de2a8089d"`
[INFO] [stdout] a5302e97c5e7003fe192a650c9b198b0408f55edb1fc83dfa474394de2a8089d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/stackdriver_logger/0.5.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0f18afca67bb2406010c9eaf23597c109ebc6286785af8bee1549b5feb467197
[INFO] running `"docker" "start" "-a" "0f18afca67bb2406010c9eaf23597c109ebc6286785af8bee1549b5feb467197"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stackdriver_logger-992b6c929d88682a
[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 stackdriver_logger
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - init (line 41) ... ok
[INFO] [stdout] test src/macros.rs - init_with_cargo (line 10) ... ok
[INFO] [stdout] test src/lib.rs - init_with (line 72) ... ok
[INFO] [stdout] test src/macros.rs - init_with_cargo (line 19) ... ok
[INFO] [stdout] test src/lib.rs - init_with (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0f18afca67bb2406010c9eaf23597c109ebc6286785af8bee1549b5feb467197"`
[INFO] running `"docker" "rm" "-f" "0f18afca67bb2406010c9eaf23597c109ebc6286785af8bee1549b5feb467197"`
[INFO] [stdout] 0f18afca67bb2406010c9eaf23597c109ebc6286785af8bee1549b5feb467197