[INFO] crate modifier 0.1.0 is already in cache
[INFO] extracting crate modifier 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/modifier/0.1.0
[INFO] extracting crate modifier 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/modifier/0.1.0
[INFO] validating manifest of modifier-0.1.0 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 modifier-0.1.0 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 modifier-0.1.0
[INFO] finished frobbing modifier-0.1.0
[INFO] frobbed toml for modifier-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/modifier/0.1.0/Cargo.toml
[INFO] started frobbing modifier-0.1.0
[INFO] finished frobbing modifier-0.1.0
[INFO] frobbed toml for modifier-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/modifier/0.1.0/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 modifier-0.1.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/modifier/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 65f82a9dd821f3e30828a72c4961cbf82b69cf6afdf790541ecf3c751d921a84
[INFO] running `"docker" "start" "-a" "65f82a9dd821f3e30828a72c4961cbf82b69cf6afdf790541ecf3c751d921a84"`
[INFO] [stderr]    Compiling modifier v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `"docker" "inspect" "65f82a9dd821f3e30828a72c4961cbf82b69cf6afdf790541ecf3c751d921a84"`
[INFO] running `"docker" "rm" "-f" "65f82a9dd821f3e30828a72c4961cbf82b69cf6afdf790541ecf3c751d921a84"`
[INFO] [stdout] 65f82a9dd821f3e30828a72c4961cbf82b69cf6afdf790541ecf3c751d921a84
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/modifier/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4c021a2071fb5d09c238a12245c84e267e530dedbc6247492e9ade23aeac1b0b
[INFO] running `"docker" "start" "-a" "4c021a2071fb5d09c238a12245c84e267e530dedbc6247492e9ade23aeac1b0b"`
[INFO] [stderr]    Compiling modifier v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "4c021a2071fb5d09c238a12245c84e267e530dedbc6247492e9ade23aeac1b0b"`
[INFO] running `"docker" "rm" "-f" "4c021a2071fb5d09c238a12245c84e267e530dedbc6247492e9ade23aeac1b0b"`
[INFO] [stdout] 4c021a2071fb5d09c238a12245c84e267e530dedbc6247492e9ade23aeac1b0b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/modifier/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c9db1e4c223df0d0e15e1da06ea88a82310405928f5631ba9eb2e5bbd33bcaf4
[INFO] running `"docker" "start" "-a" "c9db1e4c223df0d0e15e1da06ea88a82310405928f5631ba9eb2e5bbd33bcaf4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/modifier-26da7b8527f56001
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_tuple_chains ... ok
[INFO] [stdout] test test::test_set_and_set_mut ... 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 modifier
[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" "c9db1e4c223df0d0e15e1da06ea88a82310405928f5631ba9eb2e5bbd33bcaf4"`
[INFO] running `"docker" "rm" "-f" "c9db1e4c223df0d0e15e1da06ea88a82310405928f5631ba9eb2e5bbd33bcaf4"`
[INFO] [stdout] c9db1e4c223df0d0e15e1da06ea88a82310405928f5631ba9eb2e5bbd33bcaf4