[INFO] crate zlog 0.1.0 is already in cache
[INFO] extracting crate zlog 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/zlog/0.1.0
[INFO] extracting crate zlog 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zlog/0.1.0
[INFO] validating manifest of zlog-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 zlog-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 zlog-0.1.0
[INFO] finished frobbing zlog-0.1.0
[INFO] frobbed toml for zlog-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/zlog/0.1.0/Cargo.toml
[INFO] started frobbing zlog-0.1.0
[INFO] finished frobbing zlog-0.1.0
[INFO] frobbed toml for zlog-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zlog/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] 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 zlog-0.1.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/zlog/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5191495744d6cb3c8af32d41ff6b883f7654f158ed44fa8a4e399023c711f3cc
[INFO] running `"docker" "start" "-a" "5191495744d6cb3c8af32d41ff6b883f7654f158ed44fa8a4e399023c711f3cc"`
[INFO] [stderr]    Compiling zlog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "5191495744d6cb3c8af32d41ff6b883f7654f158ed44fa8a4e399023c711f3cc"`
[INFO] running `"docker" "rm" "-f" "5191495744d6cb3c8af32d41ff6b883f7654f158ed44fa8a4e399023c711f3cc"`
[INFO] [stdout] 5191495744d6cb3c8af32d41ff6b883f7654f158ed44fa8a4e399023c711f3cc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/zlog/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5f11c580548420762281faf849c2a57a8868359e9f9eab610defd890120103f1
[INFO] running `"docker" "start" "-a" "5f11c580548420762281faf849c2a57a8868359e9f9eab610defd890120103f1"`
[INFO] [stderr]    Compiling zlog v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "5f11c580548420762281faf849c2a57a8868359e9f9eab610defd890120103f1"`
[INFO] running `"docker" "rm" "-f" "5f11c580548420762281faf849c2a57a8868359e9f9eab610defd890120103f1"`
[INFO] [stdout] 5f11c580548420762281faf849c2a57a8868359e9f9eab610defd890120103f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/zlog/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 484c1550441bb78c676231e3487d802d4dea910290d885f1405386c8872831bb
[INFO] running `"docker" "start" "-a" "484c1550441bb78c676231e3487d802d4dea910290d885f1405386c8872831bb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zlog-62afb9078c36ecf4
[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 zlog
[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" "484c1550441bb78c676231e3487d802d4dea910290d885f1405386c8872831bb"`
[INFO] running `"docker" "rm" "-f" "484c1550441bb78c676231e3487d802d4dea910290d885f1405386c8872831bb"`
[INFO] [stdout] 484c1550441bb78c676231e3487d802d4dea910290d885f1405386c8872831bb