[INFO] crate mazing 0.0.0 is already in cache
[INFO] extracting crate mazing 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/mazing/0.0.0
[INFO] extracting crate mazing 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mazing/0.0.0
[INFO] validating manifest of mazing-0.0.0 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 mazing-0.0.0 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 mazing-0.0.0
[INFO] finished frobbing mazing-0.0.0
[INFO] frobbed toml for mazing-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/mazing/0.0.0/Cargo.toml
[INFO] started frobbing mazing-0.0.0
[INFO] finished frobbing mazing-0.0.0
[INFO] frobbed toml for mazing-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/mazing/0.0.0/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 mazing-0.0.0 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/mazing/0.0.0:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 4e9b72008c16fb014dbc030ed9c0c1a9d10a1b013d66b8d703933f8ce664b1af
[INFO] running `"docker" "start" "-a" "4e9b72008c16fb014dbc030ed9c0c1a9d10a1b013d66b8d703933f8ce664b1af"`
[INFO] [stderr]    Compiling mazing v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `"docker" "inspect" "4e9b72008c16fb014dbc030ed9c0c1a9d10a1b013d66b8d703933f8ce664b1af"`
[INFO] running `"docker" "rm" "-f" "4e9b72008c16fb014dbc030ed9c0c1a9d10a1b013d66b8d703933f8ce664b1af"`
[INFO] [stdout] 4e9b72008c16fb014dbc030ed9c0c1a9d10a1b013d66b8d703933f8ce664b1af
[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/mazing/0.0.0:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f6491a6985ed41df583cd7543b02f202cd343c3ac29002131b2159c25695d8de
[INFO] running `"docker" "start" "-a" "f6491a6985ed41df583cd7543b02f202cd343c3ac29002131b2159c25695d8de"`
[INFO] [stderr]    Compiling mazing v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "f6491a6985ed41df583cd7543b02f202cd343c3ac29002131b2159c25695d8de"`
[INFO] running `"docker" "rm" "-f" "f6491a6985ed41df583cd7543b02f202cd343c3ac29002131b2159c25695d8de"`
[INFO] [stdout] f6491a6985ed41df583cd7543b02f202cd343c3ac29002131b2159c25695d8de
[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/mazing/0.0.0:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f200e6b2cc225531a7396887a4baaaa988793c79a45e105283c30ce326395887
[INFO] running `"docker" "start" "-a" "f200e6b2cc225531a7396887a4baaaa988793c79a45e105283c30ce326395887"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mazing-3e75f14fff2f59f3
[INFO] [stderr]    Doc-tests mazing
[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] [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" "f200e6b2cc225531a7396887a4baaaa988793c79a45e105283c30ce326395887"`
[INFO] running `"docker" "rm" "-f" "f200e6b2cc225531a7396887a4baaaa988793c79a45e105283c30ce326395887"`
[INFO] [stdout] f200e6b2cc225531a7396887a4baaaa988793c79a45e105283c30ce326395887