[INFO] crate contracts 0.3.0 is already in cache
[INFO] extracting crate contracts 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/contracts/0.3.0
[INFO] extracting crate contracts 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/contracts/0.3.0
[INFO] validating manifest of contracts-0.3.0 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 contracts-0.3.0 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 contracts-0.3.0
[INFO] finished frobbing contracts-0.3.0
[INFO] frobbed toml for contracts-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/contracts/0.3.0/Cargo.toml
[INFO] started frobbing contracts-0.3.0
[INFO] finished frobbing contracts-0.3.0
[INFO] frobbed toml for contracts-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/contracts/0.3.0/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 contracts-0.3.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/contracts/0.3.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5ac53f86c19502dd1a544efe90decc5dd208d222715ef3b2bf0edb29b2a18ffc
[INFO] running `"docker" "start" "-a" "5ac53f86c19502dd1a544efe90decc5dd208d222715ef3b2bf0edb29b2a18ffc"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling contracts v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.70s
[INFO] running `"docker" "inspect" "5ac53f86c19502dd1a544efe90decc5dd208d222715ef3b2bf0edb29b2a18ffc"`
[INFO] running `"docker" "rm" "-f" "5ac53f86c19502dd1a544efe90decc5dd208d222715ef3b2bf0edb29b2a18ffc"`
[INFO] [stdout] 5ac53f86c19502dd1a544efe90decc5dd208d222715ef3b2bf0edb29b2a18ffc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/contracts/0.3.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d74587068990def9b0c02839add9eb4526c4de2bc072a047e7a7b6db0e8bf977
[INFO] running `"docker" "start" "-a" "d74587068990def9b0c02839add9eb4526c4de2bc072a047e7a7b6db0e8bf977"`
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling contracts v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.95s
[INFO] running `"docker" "inspect" "d74587068990def9b0c02839add9eb4526c4de2bc072a047e7a7b6db0e8bf977"`
[INFO] running `"docker" "rm" "-f" "d74587068990def9b0c02839add9eb4526c4de2bc072a047e7a7b6db0e8bf977"`
[INFO] [stdout] d74587068990def9b0c02839add9eb4526c4de2bc072a047e7a7b6db0e8bf977
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/contracts/0.3.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 83a7dc59920eb85a3aafc30d18430cb43640b06e50400d29416d5d477d3709e9
[INFO] running `"docker" "start" "-a" "83a7dc59920eb85a3aafc30d18430cb43640b06e50400d29416d5d477d3709e9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/contracts-1063f6adc0101751
[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 4 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/functions-b60c0318293685a9
[INFO] [stdout] test test_a_thing ... ok
[INFO] [stdout] test test_invariant ... ok
[INFO] [stdout] test test_sort ... ok
[INFO] [stdout] test test_early_return ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/methods-f3eb8f78e8b9a4e0
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test methods ... ok
[INFO] [stdout] test impl_invariant ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/old-341c4fdf653929d3
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_old_simple ... ok
[INFO] [stdout] test test_old_nested ... ok
[INFO] [stdout] test test_violation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ranged_int-e32b32c00fec0af2
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test ranged_int_add_reassign ... ok
[INFO] [stdout] test ranged_int_add ... ok
[INFO] [stdout] test ranged_overflow ... ok
[INFO] [stdout] test construction_underflow ... ok
[INFO] [stdout] test construction_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/traits-ded298a6fbff8a92
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test adder_example ... ok
[INFO] [stdout] test interpolate_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests contracts
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - contract_trait (line 216) ... ok
[INFO] [stdout] test src/lib.rs -  (line 22) ... ok
[INFO] [stdout] test src/lib.rs - pre (line 57) ... ok
[INFO] [stdout] test src/lib.rs - invariant (line 156) ... ok
[INFO] [stdout] test src/lib.rs - invariant (line 145) ... ok
[INFO] [stdout] test src/lib.rs - post (line 106) ... ok
[INFO] [stdout] test src/lib.rs - post (line 98) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "83a7dc59920eb85a3aafc30d18430cb43640b06e50400d29416d5d477d3709e9"`
[INFO] running `"docker" "rm" "-f" "83a7dc59920eb85a3aafc30d18430cb43640b06e50400d29416d5d477d3709e9"`
[INFO] [stdout] 83a7dc59920eb85a3aafc30d18430cb43640b06e50400d29416d5d477d3709e9