[INFO] crate slog-scope 4.1.2 is already in cache
[INFO] extracting crate slog-scope 4.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/slog-scope/4.1.2
[INFO] extracting crate slog-scope 4.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/slog-scope/4.1.2
[INFO] validating manifest of slog-scope-4.1.2 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 slog-scope-4.1.2 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 slog-scope-4.1.2
[INFO] finished frobbing slog-scope-4.1.2
[INFO] frobbed toml for slog-scope-4.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/slog-scope/4.1.2/Cargo.toml
[INFO] started frobbing slog-scope-4.1.2
[INFO] finished frobbing slog-scope-4.1.2
[INFO] frobbed toml for slog-scope-4.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/slog-scope/4.1.2/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 slog-scope-4.1.2 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/slog-scope/4.1.2:/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] ff4e0a46dadc9dacabb518d2078b3b21903260700225b133636bfa42fe339e3f
[INFO] running `"docker" "start" "-a" "ff4e0a46dadc9dacabb518d2078b3b21903260700225b133636bfa42fe339e3f"`
[INFO] [stderr]    Compiling slog-scope v4.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `"docker" "inspect" "ff4e0a46dadc9dacabb518d2078b3b21903260700225b133636bfa42fe339e3f"`
[INFO] running `"docker" "rm" "-f" "ff4e0a46dadc9dacabb518d2078b3b21903260700225b133636bfa42fe339e3f"`
[INFO] [stdout] ff4e0a46dadc9dacabb518d2078b3b21903260700225b133636bfa42fe339e3f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/slog-scope/4.1.2:/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] 72378bff12a04e3f592dd3a9b538076024c67c5cdf2e6ba7a48dbafd71595371
[INFO] running `"docker" "start" "-a" "72378bff12a04e3f592dd3a9b538076024c67c5cdf2e6ba7a48dbafd71595371"`
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling slog-term v2.4.1
[INFO] [stderr]    Compiling slog-scope v4.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `"docker" "inspect" "72378bff12a04e3f592dd3a9b538076024c67c5cdf2e6ba7a48dbafd71595371"`
[INFO] running `"docker" "rm" "-f" "72378bff12a04e3f592dd3a9b538076024c67c5cdf2e6ba7a48dbafd71595371"`
[INFO] [stdout] 72378bff12a04e3f592dd3a9b538076024c67c5cdf2e6ba7a48dbafd71595371
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/slog-scope/4.1.2:/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] 2b102b9417da88701f22bd9310bc90c13f7eb056322dcfc315f463cc6f57eb91
[INFO] running `"docker" "start" "-a" "2b102b9417da88701f22bd9310bc90c13f7eb056322dcfc315f463cc6f57eb91"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slog_scope-ce8fe185d34a72c3
[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 slog-scope
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib.rs -  (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2b102b9417da88701f22bd9310bc90c13f7eb056322dcfc315f463cc6f57eb91"`
[INFO] running `"docker" "rm" "-f" "2b102b9417da88701f22bd9310bc90c13f7eb056322dcfc315f463cc6f57eb91"`
[INFO] [stdout] 2b102b9417da88701f22bd9310bc90c13f7eb056322dcfc315f463cc6f57eb91