[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-1.38-1/sources/1.37.0/gh/Gopiandcode/image-masker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Gopiandcode/image-masker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Gopiandcode/image-masker" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Gopiandcode/image-masker"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Gopiandcode/image-masker 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 Gopiandcode/image-masker
[INFO] finished frobbing Gopiandcode/image-masker
[INFO] frobbed toml for Gopiandcode/image-masker written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 Gopiandcode/image-masker 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-6/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 58904e0c0b0e17cbd146593e93940a50598dd00c4bc6e03cd8e0c878147334f3
[INFO] running `"docker" "start" "-a" "58904e0c0b0e17cbd146593e93940a50598dd00c4bc6e03cd8e0c878147334f3"`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling argparse v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling inflate v0.4.3
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling gif v0.10.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[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 53.49s
[INFO] running `"docker" "inspect" "58904e0c0b0e17cbd146593e93940a50598dd00c4bc6e03cd8e0c878147334f3"`
[INFO] running `"docker" "rm" "-f" "58904e0c0b0e17cbd146593e93940a50598dd00c4bc6e03cd8e0c878147334f3"`
[INFO] [stdout] 58904e0c0b0e17cbd146593e93940a50598dd00c4bc6e03cd8e0c878147334f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] b662a244fa7d8ded9c4613af53e3e10cfeab5033ac5e09739253adceba221518
[INFO] running `"docker" "start" "-a" "b662a244fa7d8ded9c4613af53e3e10cfeab5033ac5e09739253adceba221518"`
[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 0.87s
[INFO] running `"docker" "inspect" "b662a244fa7d8ded9c4613af53e3e10cfeab5033ac5e09739253adceba221518"`
[INFO] running `"docker" "rm" "-f" "b662a244fa7d8ded9c4613af53e3e10cfeab5033ac5e09739253adceba221518"`
[INFO] [stdout] b662a244fa7d8ded9c4613af53e3e10cfeab5033ac5e09739253adceba221518
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] b084aa0ec2b5e7967dd6d037c20d86b0c6a60a2b63c6fda54c251504d514f1b7
[INFO] running `"docker" "start" "-a" "b084aa0ec2b5e7967dd6d037c20d86b0c6a60a2b63c6fda54c251504d514f1b7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/image_masker-a5cd2aa14df125a8
[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" "b084aa0ec2b5e7967dd6d037c20d86b0c6a60a2b63c6fda54c251504d514f1b7"`
[INFO] running `"docker" "rm" "-f" "b084aa0ec2b5e7967dd6d037c20d86b0c6a60a2b63c6fda54c251504d514f1b7"`
[INFO] [stdout] b084aa0ec2b5e7967dd6d037c20d86b0c6a60a2b63c6fda54c251504d514f1b7