[INFO] updating cached repository JohnMurray/recog-api
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JohnMurray/recog-api
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JohnMurray/recog-api" "work/ex/beta-1.38-1/sources/1.37.0/gh/JohnMurray/recog-api"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JohnMurray/recog-api'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JohnMurray/recog-api" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JohnMurray/recog-api"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JohnMurray/recog-api'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 40c7402e5b1370f902b10555608c6c4c92660f2b
[INFO] sha for GitHub repo JohnMurray/recog-api: 40c7402e5b1370f902b10555608c6c4c92660f2b
[INFO] validating manifest of JohnMurray/recog-api 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 JohnMurray/recog-api 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 JohnMurray/recog-api
[INFO] finished frobbing JohnMurray/recog-api
[INFO] frobbed toml for JohnMurray/recog-api written to work/ex/beta-1.38-1/sources/1.37.0/gh/JohnMurray/recog-api/Cargo.toml
[INFO] started frobbing JohnMurray/recog-api
[INFO] finished frobbing JohnMurray/recog-api
[INFO] frobbed toml for JohnMurray/recog-api written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JohnMurray/recog-api/Cargo.toml
[INFO] crate JohnMurray/recog-api 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JohnMurray/recog-api/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/iron/logger.git`
[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] [stderr]     Updating git repository `https://github.com/iron/logger.git`
[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 JohnMurray/recog-api 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/gh/JohnMurray/recog-api:/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] 75d0a1e0cff31c10c3eb4524435c43c3e3815d7ac80ef8c8deec1ab9f5e087a1
[INFO] running `"docker" "start" "-a" "75d0a1e0cff31c10c3eb4524435c43c3e3815d7ac80ef8c8deec1ab9f5e087a1"`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling mysql v16.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.3
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling bigdecimal v0.1.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rust_decimal v1.0.2
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling mysql_common v0.18.0
[INFO] [stderr]    Compiling router v0.6.0
[INFO] [stderr]    Compiling logger v0.4.0 (https://github.com/iron/logger.git#59873ba2)
[INFO] [stderr]    Compiling recog-api v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0603]: module `conn` is private
[INFO] [stderr]  --> src/middleware/mysqlpool.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use mysql::conn::pool::Pool;
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0603`.
[INFO] [stderr] error: Could not compile `recog-api`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "75d0a1e0cff31c10c3eb4524435c43c3e3815d7ac80ef8c8deec1ab9f5e087a1"`
[INFO] running `"docker" "rm" "-f" "75d0a1e0cff31c10c3eb4524435c43c3e3815d7ac80ef8c8deec1ab9f5e087a1"`
[INFO] [stdout] 75d0a1e0cff31c10c3eb4524435c43c3e3815d7ac80ef8c8deec1ab9f5e087a1