[INFO] crate slog-env-cfg 0.1.4 is already in cache
[INFO] extracting crate slog-env-cfg 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/slog-env-cfg/0.1.4
[INFO] extracting crate slog-env-cfg 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/slog-env-cfg/0.1.4
[INFO] validating manifest of slog-env-cfg-0.1.4 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-env-cfg-0.1.4 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-env-cfg-0.1.4
[INFO] finished frobbing slog-env-cfg-0.1.4
[INFO] frobbed toml for slog-env-cfg-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/slog-env-cfg/0.1.4/Cargo.toml
[INFO] started frobbing slog-env-cfg-0.1.4
[INFO] finished frobbing slog-env-cfg-0.1.4
[INFO] frobbed toml for slog-env-cfg-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/slog-env-cfg/0.1.4/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] [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 slog-env-cfg-0.1.4 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/slog-env-cfg/0.1.4:/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] f89b6c4a55c54ac4d5fc4d0195b651b64c7efb6d1eceace7a89f6963a273778d
[INFO] running `"docker" "start" "-a" "f89b6c4a55c54ac4d5fc4d0195b651b64c7efb6d1eceace7a89f6963a273778d"`
[INFO] [stderr]    Compiling slog-json v2.3.0
[INFO] [stderr]    Compiling slog-env-cfg v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "f89b6c4a55c54ac4d5fc4d0195b651b64c7efb6d1eceace7a89f6963a273778d"`
[INFO] running `"docker" "rm" "-f" "f89b6c4a55c54ac4d5fc4d0195b651b64c7efb6d1eceace7a89f6963a273778d"`
[INFO] [stdout] f89b6c4a55c54ac4d5fc4d0195b651b64c7efb6d1eceace7a89f6963a273778d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/slog-env-cfg/0.1.4:/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] 366ed414cb1696bd0da030f5512e461f3c89ed9e46b47f5c540dfefc1b7e37bc
[INFO] running `"docker" "start" "-a" "366ed414cb1696bd0da030f5512e461f3c89ed9e46b47f5c540dfefc1b7e37bc"`
[INFO] [stderr]    Compiling serial_test v0.2.0
[INFO] [stderr]    Compiling serial_test_derive v0.2.0
[INFO] [stderr]    Compiling slog-env-cfg v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `"docker" "inspect" "366ed414cb1696bd0da030f5512e461f3c89ed9e46b47f5c540dfefc1b7e37bc"`
[INFO] running `"docker" "rm" "-f" "366ed414cb1696bd0da030f5512e461f3c89ed9e46b47f5c540dfefc1b7e37bc"`
[INFO] [stdout] 366ed414cb1696bd0da030f5512e461f3c89ed9e46b47f5c540dfefc1b7e37bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/slog-env-cfg/0.1.4:/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] 63c7f5c9ae5492858c3b2e736d167d70a9e5cecdfb6bcb4652d8046a83264a3a
[INFO] running `"docker" "start" "-a" "63c7f5c9ae5492858c3b2e736d167d70a9e5cecdfb6bcb4652d8046a83264a3a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slog_env_cfg-59b9a9eba0d9c27f
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test env::test::log_format_empty ... ok
[INFO] [stdout] test env::test::log_format_invalid ... ok
[INFO] [stdout] test env::test::log_format_json ... ok
[INFO] [stdout] test env::test::log_format_term ... ok
[INFO] [stdout] test env::test::log_format_unset ... ok
[INFO] [stdout] test config::build_test_json ... ok
[INFO] [stdout] test config::build_test_terminal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slog-env-cfg
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 3) ... 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" "63c7f5c9ae5492858c3b2e736d167d70a9e5cecdfb6bcb4652d8046a83264a3a"`
[INFO] running `"docker" "rm" "-f" "63c7f5c9ae5492858c3b2e736d167d70a9e5cecdfb6bcb4652d8046a83264a3a"`
[INFO] [stdout] 63c7f5c9ae5492858c3b2e736d167d70a9e5cecdfb6bcb4652d8046a83264a3a