[INFO] crate rdb_tool 0.1.0 is already in cache
[INFO] extracting crate rdb_tool 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rdb_tool/0.1.0
[INFO] extracting crate rdb_tool 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rdb_tool/0.1.0
[INFO] validating manifest of rdb_tool-0.1.0 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 rdb_tool-0.1.0 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 rdb_tool-0.1.0
[INFO] finished frobbing rdb_tool-0.1.0
[INFO] frobbed toml for rdb_tool-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rdb_tool/0.1.0/Cargo.toml
[INFO] started frobbing rdb_tool-0.1.0
[INFO] finished frobbing rdb_tool-0.1.0
[INFO] frobbed toml for rdb_tool-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rdb_tool/0.1.0/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 rdb_tool-0.1.0 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-3/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/rdb_tool/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3315e5c57c6c48689906a9b663b024ee1c68aaffb2eba1b56afc1cc12ccd3138
[INFO] running `"docker" "start" "-a" "3315e5c57c6c48689906a9b663b024ee1c68aaffb2eba1b56afc1cc12ccd3138"`
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling rdb_tool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 | type Error = Box<std::error::Error>;
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `"docker" "inspect" "3315e5c57c6c48689906a9b663b024ee1c68aaffb2eba1b56afc1cc12ccd3138"`
[INFO] running `"docker" "rm" "-f" "3315e5c57c6c48689906a9b663b024ee1c68aaffb2eba1b56afc1cc12ccd3138"`
[INFO] [stdout] 3315e5c57c6c48689906a9b663b024ee1c68aaffb2eba1b56afc1cc12ccd3138
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/rdb_tool/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] f1b21c771c32eb096280a36f4c17dbd8eb1410ffcea5a443a11f133f63cd6898
[INFO] running `"docker" "start" "-a" "f1b21c771c32eb096280a36f4c17dbd8eb1410ffcea5a443a11f133f63cd6898"`
[INFO] [stderr]    Compiling rdb_tool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/main.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 | type Error = Box<std::error::Error>;
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "f1b21c771c32eb096280a36f4c17dbd8eb1410ffcea5a443a11f133f63cd6898"`
[INFO] running `"docker" "rm" "-f" "f1b21c771c32eb096280a36f4c17dbd8eb1410ffcea5a443a11f133f63cd6898"`
[INFO] [stdout] f1b21c771c32eb096280a36f4c17dbd8eb1410ffcea5a443a11f133f63cd6898
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/rdb_tool/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 1de47692f187d9cae050c2ba0ef13e825da675663ba7cb336862547daeb1d54d
[INFO] running `"docker" "start" "-a" "1de47692f187d9cae050c2ba0ef13e825da675663ba7cb336862547daeb1d54d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rdb-61237451f7aedfbf
[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" "1de47692f187d9cae050c2ba0ef13e825da675663ba7cb336862547daeb1d54d"`
[INFO] running `"docker" "rm" "-f" "1de47692f187d9cae050c2ba0ef13e825da675663ba7cb336862547daeb1d54d"`
[INFO] [stdout] 1de47692f187d9cae050c2ba0ef13e825da675663ba7cb336862547daeb1d54d