[INFO] updating cached repository PhdTrollSlayer/crab-db
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PhdTrollSlayer/crab-db
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PhdTrollSlayer/crab-db" "work/ex/beta-1.37-6/sources/1.36.0/gh/PhdTrollSlayer/crab-db"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/PhdTrollSlayer/crab-db'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PhdTrollSlayer/crab-db" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PhdTrollSlayer/crab-db"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PhdTrollSlayer/crab-db'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09f95e2c3115b09d8657ae94d2e713960eafd74f
[INFO] sha for GitHub repo PhdTrollSlayer/crab-db: 09f95e2c3115b09d8657ae94d2e713960eafd74f
[INFO] validating manifest of PhdTrollSlayer/crab-db 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 PhdTrollSlayer/crab-db 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 PhdTrollSlayer/crab-db
[INFO] finished frobbing PhdTrollSlayer/crab-db
[INFO] frobbed toml for PhdTrollSlayer/crab-db written to work/ex/beta-1.37-6/sources/1.36.0/gh/PhdTrollSlayer/crab-db/Cargo.toml
[INFO] started frobbing PhdTrollSlayer/crab-db
[INFO] finished frobbing PhdTrollSlayer/crab-db
[INFO] frobbed toml for PhdTrollSlayer/crab-db written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PhdTrollSlayer/crab-db/Cargo.toml
[INFO] crate PhdTrollSlayer/crab-db already has a lockfile, it will not be regenerated
[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 PhdTrollSlayer/crab-db 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-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PhdTrollSlayer/crab-db:/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] c5c291f5684d29886473f7ca9d396e53ecd347e8b635054929813db086813d99
[INFO] running `"docker" "start" "-a" "c5c291f5684d29886473f7ca9d396e53ecd347e8b635054929813db086813d99"`
[INFO] [stderr]    Compiling crab-db v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let mut b = db(&set);
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |     let mut t_def = table_def(&t);
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "c5c291f5684d29886473f7ca9d396e53ecd347e8b635054929813db086813d99"`
[INFO] running `"docker" "rm" "-f" "c5c291f5684d29886473f7ca9d396e53ecd347e8b635054929813db086813d99"`
[INFO] [stdout] c5c291f5684d29886473f7ca9d396e53ecd347e8b635054929813db086813d99
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PhdTrollSlayer/crab-db:/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] 638044c52b6fb03e33b25d0b889406dcd148360ed6508b26e438024d326047e2
[INFO] running `"docker" "start" "-a" "638044c52b6fb03e33b25d0b889406dcd148360ed6508b26e438024d326047e2"`
[INFO] [stderr]    Compiling crab-db v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let mut b = db(&set);
[INFO] [stderr]     |         ----^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |     let mut t_def = table_def(&t);
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "638044c52b6fb03e33b25d0b889406dcd148360ed6508b26e438024d326047e2"`
[INFO] running `"docker" "rm" "-f" "638044c52b6fb03e33b25d0b889406dcd148360ed6508b26e438024d326047e2"`
[INFO] [stdout] 638044c52b6fb03e33b25d0b889406dcd148360ed6508b26e438024d326047e2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/PhdTrollSlayer/crab-db:/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] 248e1d0c9e4fb70d421be8b971859827cc679d3c66369ce9395217cf41f570d0
[INFO] running `"docker" "start" "-a" "248e1d0c9e4fb70d421be8b971859827cc679d3c66369ce9395217cf41f570d0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/crab_db-d6e4ce2c64b7bfa9
[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" "248e1d0c9e4fb70d421be8b971859827cc679d3c66369ce9395217cf41f570d0"`
[INFO] running `"docker" "rm" "-f" "248e1d0c9e4fb70d421be8b971859827cc679d3c66369ce9395217cf41f570d0"`
[INFO] [stdout] 248e1d0c9e4fb70d421be8b971859827cc679d3c66369ce9395217cf41f570d0