[INFO] updating cached repository mhn1991/dpll
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mhn1991/dpll
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mhn1991/dpll" "work/ex/beta-1.38-1/sources/1.37.0/gh/mhn1991/dpll"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mhn1991/dpll'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mhn1991/dpll" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mhn1991/dpll"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mhn1991/dpll'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90d057d58e92863dbdf0cecda8a5982e068b993d
[INFO] sha for GitHub repo mhn1991/dpll: 90d057d58e92863dbdf0cecda8a5982e068b993d
[INFO] validating manifest of mhn1991/dpll 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 mhn1991/dpll 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 mhn1991/dpll
[INFO] finished frobbing mhn1991/dpll
[INFO] frobbed toml for mhn1991/dpll written to work/ex/beta-1.38-1/sources/1.37.0/gh/mhn1991/dpll/Cargo.toml
[INFO] started frobbing mhn1991/dpll
[INFO] finished frobbing mhn1991/dpll
[INFO] frobbed toml for mhn1991/dpll written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mhn1991/dpll/Cargo.toml
[INFO] crate mhn1991/dpll 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 mhn1991/dpll 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-7/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/mhn1991/dpll:/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] bbb96cda3b9090170df8f80e0608040eb75292e2cbaca052e3772a3b6495ddcd
[INFO] running `"docker" "start" "-a" "bbb96cda3b9090170df8f80e0608040eb75292e2cbaca052e3772a3b6495ddcd"`
[INFO] [stderr]    Compiling dpll v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `int`
[INFO] [stderr]   --> src/dimacs.rs:20:26
[INFO] [stderr]    |
[INFO] [stderr] 20 |                                Ok(int) =>{
[INFO] [stderr]    |                                   ^^^ help: consider prefixing with an underscore: `_int`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "bbb96cda3b9090170df8f80e0608040eb75292e2cbaca052e3772a3b6495ddcd"`
[INFO] running `"docker" "rm" "-f" "bbb96cda3b9090170df8f80e0608040eb75292e2cbaca052e3772a3b6495ddcd"`
[INFO] [stdout] bbb96cda3b9090170df8f80e0608040eb75292e2cbaca052e3772a3b6495ddcd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/mhn1991/dpll:/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] 77bf4931fb829e8c1fb4657c27e55e1f1a05fff2ef0ae9b918d5962e0be0851f
[INFO] running `"docker" "start" "-a" "77bf4931fb829e8c1fb4657c27e55e1f1a05fff2ef0ae9b918d5962e0be0851f"`
[INFO] [stderr]    Compiling dpll v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `int`
[INFO] [stderr]   --> src/dimacs.rs:20:26
[INFO] [stderr]    |
[INFO] [stderr] 20 |                                Ok(int) =>{
[INFO] [stderr]    |                                   ^^^ help: consider prefixing with an underscore: `_int`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "77bf4931fb829e8c1fb4657c27e55e1f1a05fff2ef0ae9b918d5962e0be0851f"`
[INFO] running `"docker" "rm" "-f" "77bf4931fb829e8c1fb4657c27e55e1f1a05fff2ef0ae9b918d5962e0be0851f"`
[INFO] [stdout] 77bf4931fb829e8c1fb4657c27e55e1f1a05fff2ef0ae9b918d5962e0be0851f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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/mhn1991/dpll:/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] 83ddc1f187b5ecbb2b082e5d32358ad7c558e579e36022848727456330b69c4c
[INFO] running `"docker" "start" "-a" "83ddc1f187b5ecbb2b082e5d32358ad7c558e579e36022848727456330b69c4c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dpll-80f2aebf88807a53
[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" "83ddc1f187b5ecbb2b082e5d32358ad7c558e579e36022848727456330b69c4c"`
[INFO] running `"docker" "rm" "-f" "83ddc1f187b5ecbb2b082e5d32358ad7c558e579e36022848727456330b69c4c"`
[INFO] [stdout] 83ddc1f187b5ecbb2b082e5d32358ad7c558e579e36022848727456330b69c4c