[INFO] updating cached repository koto-bank/kocaptcha
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/koto-bank/kocaptcha
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/koto-bank/kocaptcha" "work/ex/beta-1.37-6/sources/1.36.0/gh/koto-bank/kocaptcha"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/koto-bank/kocaptcha'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/koto-bank/kocaptcha" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/koto-bank/kocaptcha"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/koto-bank/kocaptcha'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 14f8958db2f30a3a2c8146abb2df31f4f88f0db2
[INFO] sha for GitHub repo koto-bank/kocaptcha: 14f8958db2f30a3a2c8146abb2df31f4f88f0db2
[INFO] validating manifest of koto-bank/kocaptcha 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 koto-bank/kocaptcha 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 koto-bank/kocaptcha
[INFO] finished frobbing koto-bank/kocaptcha
[INFO] frobbed toml for koto-bank/kocaptcha written to work/ex/beta-1.37-6/sources/1.36.0/gh/koto-bank/kocaptcha/Cargo.toml
[INFO] started frobbing koto-bank/kocaptcha
[INFO] finished frobbing koto-bank/kocaptcha
[INFO] frobbed toml for koto-bank/kocaptcha written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/koto-bank/kocaptcha/Cargo.toml
[INFO] crate koto-bank/kocaptcha 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 koto-bank/kocaptcha against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/koto-bank/kocaptcha:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 9625a87dd2609d37a81b502b8cfd17675cc08ba87bfdd2bc849558c30b7bb400
[INFO] running `"docker" "start" "-a" "9625a87dd2609d37a81b502b8cfd17675cc08ba87bfdd2bc849558c30b7bb400"`
[INFO] [stderr]    Compiling arrayvec v0.4.9
[INFO] [stderr]    Compiling assert_approx_eq v1.0.0
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling actix-web v0.7.16
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling resolv-conf v0.6.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.14
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rusttype v0.7.3
[INFO] [stderr]    Compiling parking_lot v0.7.0
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling crossbeam-channel v0.3.4
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling cookie v0.11.0
[INFO] [stderr]    Compiling trust-dns-proto v0.6.1
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.1
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling actix v0.7.9
[INFO] [stderr]    Compiling actix-net v0.2.5
[INFO] [stderr]    Compiling imageproc v0.17.0
[INFO] [stderr]    Compiling servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling font-loader v0.7.0
[INFO] [stderr]    Compiling kocaptcha v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `captchas_generated` should have an upper case name
[INFO] [stderr]  --> src/generated_captchas_stat.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     static ref captchas_generated: RwLock<i64> = RwLock::new(0);
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `CAPTCHAS_GENERATED`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 34s
[INFO] running `"docker" "inspect" "9625a87dd2609d37a81b502b8cfd17675cc08ba87bfdd2bc849558c30b7bb400"`
[INFO] running `"docker" "rm" "-f" "9625a87dd2609d37a81b502b8cfd17675cc08ba87bfdd2bc849558c30b7bb400"`
[INFO] [stdout] 9625a87dd2609d37a81b502b8cfd17675cc08ba87bfdd2bc849558c30b7bb400
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/koto-bank/kocaptcha:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] be57cedcf88cdcfbf3a0f1354c93527878d40ed305994e24ab5735aeef61d7ff
[INFO] running `"docker" "start" "-a" "be57cedcf88cdcfbf3a0f1354c93527878d40ed305994e24ab5735aeef61d7ff"`
[INFO] [stderr]    Compiling kocaptcha v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `captchas_generated` should have an upper case name
[INFO] [stderr]  --> src/generated_captchas_stat.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     static ref captchas_generated: RwLock<i64> = RwLock::new(0);
[INFO] [stderr]   |                ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `CAPTCHAS_GENERATED`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `"docker" "inspect" "be57cedcf88cdcfbf3a0f1354c93527878d40ed305994e24ab5735aeef61d7ff"`
[INFO] running `"docker" "rm" "-f" "be57cedcf88cdcfbf3a0f1354c93527878d40ed305994e24ab5735aeef61d7ff"`
[INFO] [stdout] be57cedcf88cdcfbf3a0f1354c93527878d40ed305994e24ab5735aeef61d7ff
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/koto-bank/kocaptcha:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 79757f9625f3e5a0a0027e4df8b956fac9aefd3bf21e7ec1397f449eb8e6fadf
[INFO] running `"docker" "start" "-a" "79757f9625f3e5a0a0027e4df8b956fac9aefd3bf21e7ec1397f449eb8e6fadf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/kocaptcha-d85d299b8d12426c
[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" "79757f9625f3e5a0a0027e4df8b956fac9aefd3bf21e7ec1397f449eb8e6fadf"`
[INFO] running `"docker" "rm" "-f" "79757f9625f3e5a0a0027e4df8b956fac9aefd3bf21e7ec1397f449eb8e6fadf"`
[INFO] [stdout] 79757f9625f3e5a0a0027e4df8b956fac9aefd3bf21e7ec1397f449eb8e6fadf