[INFO] crate tower-ready-service 0.0.0 is already in cache
[INFO] extracting crate tower-ready-service 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tower-ready-service/0.0.0
[INFO] extracting crate tower-ready-service 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-ready-service/0.0.0
[INFO] validating manifest of tower-ready-service-0.0.0 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 tower-ready-service-0.0.0 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 tower-ready-service-0.0.0
[INFO] finished frobbing tower-ready-service-0.0.0
[INFO] frobbed toml for tower-ready-service-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tower-ready-service/0.0.0/Cargo.toml
[INFO] started frobbing tower-ready-service-0.0.0
[INFO] finished frobbing tower-ready-service-0.0.0
[INFO] frobbed toml for tower-ready-service-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tower-ready-service/0.0.0/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 tower-ready-service-0.0.0 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tower-ready-service/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c8d33bb76b9cd159fb0ff6b716addf33d9272af497f69629cd85762930711e58
[INFO] running `"docker" "start" "-a" "c8d33bb76b9cd159fb0ff6b716addf33d9272af497f69629cd85762930711e58"`
[INFO] [stderr]    Compiling tower-ready-service v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `"docker" "inspect" "c8d33bb76b9cd159fb0ff6b716addf33d9272af497f69629cd85762930711e58"`
[INFO] running `"docker" "rm" "-f" "c8d33bb76b9cd159fb0ff6b716addf33d9272af497f69629cd85762930711e58"`
[INFO] [stdout] c8d33bb76b9cd159fb0ff6b716addf33d9272af497f69629cd85762930711e58
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tower-ready-service/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4c55f580688ce704b20855405a2acefb7d51bdbc18e9377ae367b44a4c200bef
[INFO] running `"docker" "start" "-a" "4c55f580688ce704b20855405a2acefb7d51bdbc18e9377ae367b44a4c200bef"`
[INFO] [stderr]    Compiling tower-ready-service v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "4c55f580688ce704b20855405a2acefb7d51bdbc18e9377ae367b44a4c200bef"`
[INFO] running `"docker" "rm" "-f" "4c55f580688ce704b20855405a2acefb7d51bdbc18e9377ae367b44a4c200bef"`
[INFO] [stdout] 4c55f580688ce704b20855405a2acefb7d51bdbc18e9377ae367b44a4c200bef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tower-ready-service/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] bdff73e8663dd98ab4210d685ee93ba7df202f838600f9a7e6cc5077a3e64899
[INFO] running `"docker" "start" "-a" "bdff73e8663dd98ab4210d685ee93ba7df202f838600f9a7e6cc5077a3e64899"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tower_ready_service-762c024180a7e3fe
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-ready-service
[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" "bdff73e8663dd98ab4210d685ee93ba7df202f838600f9a7e6cc5077a3e64899"`
[INFO] running `"docker" "rm" "-f" "bdff73e8663dd98ab4210d685ee93ba7df202f838600f9a7e6cc5077a3e64899"`
[INFO] [stdout] bdff73e8663dd98ab4210d685ee93ba7df202f838600f9a7e6cc5077a3e64899