[INFO] crate zr 0.7.2 is already in cache
[INFO] extracting crate zr 0.7.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/zr/0.7.2
[INFO] extracting crate zr 0.7.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zr/0.7.2
[INFO] validating manifest of zr-0.7.2 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 zr-0.7.2 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 zr-0.7.2
[INFO] finished frobbing zr-0.7.2
[INFO] frobbed toml for zr-0.7.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/zr/0.7.2/Cargo.toml
[INFO] started frobbing zr-0.7.2
[INFO] finished frobbing zr-0.7.2
[INFO] frobbed toml for zr-0.7.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zr/0.7.2/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 zr-0.7.2 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/zr/0.7.2:/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] 2b6f4d34db77e5fdce046c98a061435c3282b6a879887ef091b3a9469460e7a7
[INFO] running `"docker" "start" "-a" "2b6f4d34db77e5fdce046c98a061435c3282b6a879887ef091b3a9469460e7a7"`
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling zr v0.7.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.11s
[INFO] running `"docker" "inspect" "2b6f4d34db77e5fdce046c98a061435c3282b6a879887ef091b3a9469460e7a7"`
[INFO] running `"docker" "rm" "-f" "2b6f4d34db77e5fdce046c98a061435c3282b6a879887ef091b3a9469460e7a7"`
[INFO] [stdout] 2b6f4d34db77e5fdce046c98a061435c3282b6a879887ef091b3a9469460e7a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/zr/0.7.2:/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] e118011db2e8fb89f8274029e72cdd77998b78a1e32d61b87a73a476d6b826c0
[INFO] running `"docker" "start" "-a" "e118011db2e8fb89f8274029e72cdd77998b78a1e32d61b87a73a476d6b826c0"`
[INFO] [stderr]    Compiling zr v0.7.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "e118011db2e8fb89f8274029e72cdd77998b78a1e32d61b87a73a476d6b826c0"`
[INFO] running `"docker" "rm" "-f" "e118011db2e8fb89f8274029e72cdd77998b78a1e32d61b87a73a476d6b826c0"`
[INFO] [stdout] e118011db2e8fb89f8274029e72cdd77998b78a1e32d61b87a73a476d6b826c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/zr/0.7.2:/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] e25c1251d5dba1fd540a309fd83de34d58aae432dadc94056bccdf6aecf03a8f
[INFO] running `"docker" "start" "-a" "e25c1251d5dba1fd540a309fd83de34d58aae432dadc94056bccdf6aecf03a8f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zr-37dabb944cf635f6
[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" "e25c1251d5dba1fd540a309fd83de34d58aae432dadc94056bccdf6aecf03a8f"`
[INFO] running `"docker" "rm" "-f" "e25c1251d5dba1fd540a309fd83de34d58aae432dadc94056bccdf6aecf03a8f"`
[INFO] [stdout] e25c1251d5dba1fd540a309fd83de34d58aae432dadc94056bccdf6aecf03a8f