[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-1.38-1/sources/1.37.0/gh/PhdTrollSlayer/crab-db"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/PhdTrollSlayer/crab-db'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PhdTrollSlayer/crab-db" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PhdTrollSlayer/crab-db"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of PhdTrollSlayer/crab-db 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 PhdTrollSlayer/crab-db
[INFO] finished frobbing PhdTrollSlayer/crab-db
[INFO] frobbed toml for PhdTrollSlayer/crab-db written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 PhdTrollSlayer/crab-db 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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2a340e69bf8cb476da190e8e4e4bc2839b96a5005d4ffaef351f9fff078faabe
[INFO] running `"docker" "start" "-a" "2a340e69bf8cb476da190e8e4e4bc2839b96a5005d4ffaef351f9fff078faabe"`
[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 1.70s
[INFO] running `"docker" "inspect" "2a340e69bf8cb476da190e8e4e4bc2839b96a5005d4ffaef351f9fff078faabe"`
[INFO] running `"docker" "rm" "-f" "2a340e69bf8cb476da190e8e4e4bc2839b96a5005d4ffaef351f9fff078faabe"`
[INFO] [stdout] 2a340e69bf8cb476da190e8e4e4bc2839b96a5005d4ffaef351f9fff078faabe
[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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 26ff9daf87e1489da17eba6b70e3fe9e0a1de0d5a91aeac974407ea558b49d84
[INFO] running `"docker" "start" "-a" "26ff9daf87e1489da17eba6b70e3fe9e0a1de0d5a91aeac974407ea558b49d84"`
[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 0.68s
[INFO] running `"docker" "inspect" "26ff9daf87e1489da17eba6b70e3fe9e0a1de0d5a91aeac974407ea558b49d84"`
[INFO] running `"docker" "rm" "-f" "26ff9daf87e1489da17eba6b70e3fe9e0a1de0d5a91aeac974407ea558b49d84"`
[INFO] [stdout] 26ff9daf87e1489da17eba6b70e3fe9e0a1de0d5a91aeac974407ea558b49d84
[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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 79a47e5088253a6f586ac564769c8b8b1b4a8692256b8dfdc75762276399d7a6
[INFO] running `"docker" "start" "-a" "79a47e5088253a6f586ac564769c8b8b1b4a8692256b8dfdc75762276399d7a6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/crab_db-89b328b4f834886c
[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" "79a47e5088253a6f586ac564769c8b8b1b4a8692256b8dfdc75762276399d7a6"`
[INFO] running `"docker" "rm" "-f" "79a47e5088253a6f586ac564769c8b8b1b4a8692256b8dfdc75762276399d7a6"`
[INFO] [stdout] 79a47e5088253a6f586ac564769c8b8b1b4a8692256b8dfdc75762276399d7a6