[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-1.37-6/sources/1.36.0/gh/mhn1991/dpll"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mhn1991/dpll'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mhn1991/dpll" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mhn1991/dpll"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mhn1991/dpll 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 mhn1991/dpll
[INFO] finished frobbing mhn1991/dpll
[INFO] frobbed toml for mhn1991/dpll written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 mhn1991/dpll 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-4/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/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ceafdf0bacc4bb3e5b77f3be89b9d78c2c9f787fb1b6d4eb74883b5b409a2fce
[INFO] running `"docker" "start" "-a" "ceafdf0bacc4bb3e5b77f3be89b9d78c2c9f787fb1b6d4eb74883b5b409a2fce"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.77s
[INFO] running `"docker" "inspect" "ceafdf0bacc4bb3e5b77f3be89b9d78c2c9f787fb1b6d4eb74883b5b409a2fce"`
[INFO] running `"docker" "rm" "-f" "ceafdf0bacc4bb3e5b77f3be89b9d78c2c9f787fb1b6d4eb74883b5b409a2fce"`
[INFO] [stdout] ceafdf0bacc4bb3e5b77f3be89b9d78c2c9f787fb1b6d4eb74883b5b409a2fce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2a8fc25a7d3a66b1c3aa87a6fb912e741f89174b1cd974f35fe7dae8c0ab75ed
[INFO] running `"docker" "start" "-a" "2a8fc25a7d3a66b1c3aa87a6fb912e741f89174b1cd974f35fe7dae8c0ab75ed"`
[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 0.59s
[INFO] running `"docker" "inspect" "2a8fc25a7d3a66b1c3aa87a6fb912e741f89174b1cd974f35fe7dae8c0ab75ed"`
[INFO] running `"docker" "rm" "-f" "2a8fc25a7d3a66b1c3aa87a6fb912e741f89174b1cd974f35fe7dae8c0ab75ed"`
[INFO] [stdout] 2a8fc25a7d3a66b1c3aa87a6fb912e741f89174b1cd974f35fe7dae8c0ab75ed
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 366597bf21ae99d06e263c135a14134897c8ba691cdb1fcc859a604bf4d2d024
[INFO] running `"docker" "start" "-a" "366597bf21ae99d06e263c135a14134897c8ba691cdb1fcc859a604bf4d2d024"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/dpll-06bb450f573c69e7
[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" "366597bf21ae99d06e263c135a14134897c8ba691cdb1fcc859a604bf4d2d024"`
[INFO] running `"docker" "rm" "-f" "366597bf21ae99d06e263c135a14134897c8ba691cdb1fcc859a604bf4d2d024"`
[INFO] [stdout] 366597bf21ae99d06e263c135a14134897c8ba691cdb1fcc859a604bf4d2d024