[INFO] updating cached repository Gopiandcode/image-masker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Gopiandcode/image-masker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Gopiandcode/image-masker" "work/ex/beta-1.37-6/sources/1.36.0/gh/Gopiandcode/image-masker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Gopiandcode/image-masker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gopiandcode/image-masker" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Gopiandcode/image-masker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Gopiandcode/image-masker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7a85cc6658bd21d39a2dc90307e44d8e7fac22a6
[INFO] sha for GitHub repo Gopiandcode/image-masker: 7a85cc6658bd21d39a2dc90307e44d8e7fac22a6
[INFO] validating manifest of Gopiandcode/image-masker 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 Gopiandcode/image-masker 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 Gopiandcode/image-masker
[INFO] finished frobbing Gopiandcode/image-masker
[INFO] frobbed toml for Gopiandcode/image-masker written to work/ex/beta-1.37-6/sources/1.36.0/gh/Gopiandcode/image-masker/Cargo.toml
[INFO] started frobbing Gopiandcode/image-masker
[INFO] finished frobbing Gopiandcode/image-masker
[INFO] frobbed toml for Gopiandcode/image-masker written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Gopiandcode/image-masker/Cargo.toml
[INFO] crate Gopiandcode/image-masker 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 Gopiandcode/image-masker 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-0/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/Gopiandcode/image-masker:/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] 0e8a4131f3b8bdd8b512653df4a53ae08bf6aa5a60d617ed618d80a8d8e636f9
[INFO] running `"docker" "start" "-a" "0e8a4131f3b8bdd8b512653df4a53ae08bf6aa5a60d617ed618d80a8d8e636f9"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling argparse v0.2.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling image-masker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `dx` is never read
[INFO] [stderr]    --> src/main.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let mut dx : i32 = 0;
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `dy` is never read
[INFO] [stderr]    --> src/main.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |     let mut dy : i32 = 0;
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.02s
[INFO] running `"docker" "inspect" "0e8a4131f3b8bdd8b512653df4a53ae08bf6aa5a60d617ed618d80a8d8e636f9"`
[INFO] running `"docker" "rm" "-f" "0e8a4131f3b8bdd8b512653df4a53ae08bf6aa5a60d617ed618d80a8d8e636f9"`
[INFO] [stdout] 0e8a4131f3b8bdd8b512653df4a53ae08bf6aa5a60d617ed618d80a8d8e636f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/Gopiandcode/image-masker:/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] 8cc14e84338c098e078fe6a9dbb513ed2b79c87445fc91a01eef42c09caff70f
[INFO] running `"docker" "start" "-a" "8cc14e84338c098e078fe6a9dbb513ed2b79c87445fc91a01eef42c09caff70f"`
[INFO] [stderr]    Compiling image-masker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `dx` is never read
[INFO] [stderr]    --> src/main.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |     let mut dx : i32 = 0;
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `dy` is never read
[INFO] [stderr]    --> src/main.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 194 |     let mut dy : i32 = 0;
[INFO] [stderr]     |             ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "8cc14e84338c098e078fe6a9dbb513ed2b79c87445fc91a01eef42c09caff70f"`
[INFO] running `"docker" "rm" "-f" "8cc14e84338c098e078fe6a9dbb513ed2b79c87445fc91a01eef42c09caff70f"`
[INFO] [stdout] 8cc14e84338c098e078fe6a9dbb513ed2b79c87445fc91a01eef42c09caff70f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/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/Gopiandcode/image-masker:/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] 01514bc79c5bc8408f242b284742b0c44612459fb1121419e4dd8d1f7fbdaa87
[INFO] running `"docker" "start" "-a" "01514bc79c5bc8408f242b284742b0c44612459fb1121419e4dd8d1f7fbdaa87"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[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] [stderr]      Running /opt/crater/target/debug/deps/image_masker-c180d83d3ac6c600
[INFO] running `"docker" "inspect" "01514bc79c5bc8408f242b284742b0c44612459fb1121419e4dd8d1f7fbdaa87"`
[INFO] running `"docker" "rm" "-f" "01514bc79c5bc8408f242b284742b0c44612459fb1121419e4dd8d1f7fbdaa87"`
[INFO] [stdout] 01514bc79c5bc8408f242b284742b0c44612459fb1121419e4dd8d1f7fbdaa87