[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-1.37-6/sources/1.36.0/reg/slog-env-cfg/0.1.4
[INFO] extracting crate slog-env-cfg 0.1.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/slog-env-cfg/0.1.4
[INFO] validating manifest of slog-env-cfg-0.1.4 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of slog-env-cfg-0.1.4 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/slog-env-cfg/0.1.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing slog-env-cfg-0.1.4 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 9fda1ac7a513fc1aa9f0f30b8e2f03dab3ebf854442e8aff479684d3e5ac0fd3
[INFO] running `"docker" "start" "-a" "9fda1ac7a513fc1aa9f0f30b8e2f03dab3ebf854442e8aff479684d3e5ac0fd3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[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 1.85s
[INFO] running `"docker" "inspect" "9fda1ac7a513fc1aa9f0f30b8e2f03dab3ebf854442e8aff479684d3e5ac0fd3"`
[INFO] running `"docker" "rm" "-f" "9fda1ac7a513fc1aa9f0f30b8e2f03dab3ebf854442e8aff479684d3e5ac0fd3"`
[INFO] [stdout] 9fda1ac7a513fc1aa9f0f30b8e2f03dab3ebf854442e8aff479684d3e5ac0fd3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2eb9def2171a9770fb5b96d1cea69103c1b51da10624ca201e3479bb81c45eac
[INFO] running `"docker" "start" "-a" "2eb9def2171a9770fb5b96d1cea69103c1b51da10624ca201e3479bb81c45eac"`
[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 5.36s
[INFO] running `"docker" "inspect" "2eb9def2171a9770fb5b96d1cea69103c1b51da10624ca201e3479bb81c45eac"`
[INFO] running `"docker" "rm" "-f" "2eb9def2171a9770fb5b96d1cea69103c1b51da10624ca201e3479bb81c45eac"`
[INFO] [stdout] 2eb9def2171a9770fb5b96d1cea69103c1b51da10624ca201e3479bb81c45eac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b2af2e4a6f81614fe6ed12da91252210fdf90dc9fa4c6c294e0fc251926f7d61
[INFO] running `"docker" "start" "-a" "b2af2e4a6f81614fe6ed12da91252210fdf90dc9fa4c6c294e0fc251926f7d61"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slog_env_cfg-ef1580d305e351b5
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test env::test::log_format_unset ... ok
[INFO] [stdout] test env::test::log_format_json ... ok
[INFO] [stdout] test config::build_test_terminal ... ok
[INFO] [stdout] test env::test::log_format_term ... ok
[INFO] [stdout] test env::test::log_format_empty ... ok
[INFO] [stdout] test env::test::log_format_invalid ... ok
[INFO] [stdout] test config::build_test_json ... ok
[INFO] [stderr]    Doc-tests slog-env-cfg
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "b2af2e4a6f81614fe6ed12da91252210fdf90dc9fa4c6c294e0fc251926f7d61"`
[INFO] running `"docker" "rm" "-f" "b2af2e4a6f81614fe6ed12da91252210fdf90dc9fa4c6c294e0fc251926f7d61"`
[INFO] [stdout] b2af2e4a6f81614fe6ed12da91252210fdf90dc9fa4c6c294e0fc251926f7d61