[INFO] crate stackdriver-logging-utils 0.1.0 is already in cache
[INFO] extracting crate stackdriver-logging-utils 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/stackdriver-logging-utils/0.1.0
[INFO] extracting crate stackdriver-logging-utils 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stackdriver-logging-utils/0.1.0
[INFO] validating manifest of stackdriver-logging-utils-0.1.0 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-logging-utils-0.1.0 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-logging-utils-0.1.0
[INFO] finished frobbing stackdriver-logging-utils-0.1.0
[INFO] frobbed toml for stackdriver-logging-utils-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/stackdriver-logging-utils/0.1.0/Cargo.toml
[INFO] started frobbing stackdriver-logging-utils-0.1.0
[INFO] finished frobbing stackdriver-logging-utils-0.1.0
[INFO] frobbed toml for stackdriver-logging-utils-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stackdriver-logging-utils/0.1.0/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] [stderr]     Blocking waiting for file lock on package cache
[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-logging-utils-0.1.0 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-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/stackdriver-logging-utils/0.1.0:/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] 9cec50b01300ab99d5f2a425f25fe56e0ba8e8792b19d4f376e9c5ab7868984a
[INFO] running `"docker" "start" "-a" "9cec50b01300ab99d5f2a425f25fe56e0ba8e8792b19d4f376e9c5ab7868984a"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling stackdriver-logging-utils v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "9cec50b01300ab99d5f2a425f25fe56e0ba8e8792b19d4f376e9c5ab7868984a"`
[INFO] running `"docker" "rm" "-f" "9cec50b01300ab99d5f2a425f25fe56e0ba8e8792b19d4f376e9c5ab7868984a"`
[INFO] [stdout] 9cec50b01300ab99d5f2a425f25fe56e0ba8e8792b19d4f376e9c5ab7868984a
[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/stackdriver-logging-utils/0.1.0:/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] 3303596d7dba0ed64e764028faededa23828eb6e2355beab8fa266d692b23a2d
[INFO] running `"docker" "start" "-a" "3303596d7dba0ed64e764028faededa23828eb6e2355beab8fa266d692b23a2d"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling stackdriver-logging-utils v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "3303596d7dba0ed64e764028faededa23828eb6e2355beab8fa266d692b23a2d"`
[INFO] running `"docker" "rm" "-f" "3303596d7dba0ed64e764028faededa23828eb6e2355beab8fa266d692b23a2d"`
[INFO] [stdout] 3303596d7dba0ed64e764028faededa23828eb6e2355beab8fa266d692b23a2d
[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/stackdriver-logging-utils/0.1.0:/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] 0de466389ebc47a79dec40b4f38f52f47bd3ba6157d644119f3c117e07a4604e
[INFO] running `"docker" "start" "-a" "0de466389ebc47a79dec40b4f38f52f47bd3ba6157d644119f3c117e07a4604e"`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stackdriver_logging_utils-fb8731a1bc6dcb80
[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-logging-utils
[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" "0de466389ebc47a79dec40b4f38f52f47bd3ba6157d644119f3c117e07a4604e"`
[INFO] running `"docker" "rm" "-f" "0de466389ebc47a79dec40b4f38f52f47bd3ba6157d644119f3c117e07a4604e"`
[INFO] [stdout] 0de466389ebc47a79dec40b4f38f52f47bd3ba6157d644119f3c117e07a4604e