[INFO] updating cached repository minus3theta/copl-solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/minus3theta/copl-solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/minus3theta/copl-solver" "work/ex/beta-1.38-1/sources/1.37.0/gh/minus3theta/copl-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/minus3theta/copl-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/minus3theta/copl-solver" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/minus3theta/copl-solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/minus3theta/copl-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5218d89f8fb26c47a8e272305c76ce16badce1b5
[INFO] sha for GitHub repo minus3theta/copl-solver: 5218d89f8fb26c47a8e272305c76ce16badce1b5
[INFO] validating manifest of minus3theta/copl-solver 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 minus3theta/copl-solver 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 minus3theta/copl-solver
[INFO] finished frobbing minus3theta/copl-solver
[INFO] frobbed toml for minus3theta/copl-solver written to work/ex/beta-1.38-1/sources/1.37.0/gh/minus3theta/copl-solver/Cargo.toml
[INFO] started frobbing minus3theta/copl-solver
[INFO] finished frobbing minus3theta/copl-solver
[INFO] frobbed toml for minus3theta/copl-solver written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/minus3theta/copl-solver/Cargo.toml
[INFO] crate minus3theta/copl-solver 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing minus3theta/copl-solver against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/minus3theta/copl-solver:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 23ed88e9757c4f4a9ec21c982418050a87e88695112fe4f974d314b141d843dd
[INFO] running `"docker" "start" "-a" "23ed88e9757c4f4a9ec21c982418050a87e88695112fe4f974d314b141d843dd"`
[INFO] [stderr]    Compiling ascii v0.9.1
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling pulldown-cmark v0.0.8
[INFO] [stderr]    Compiling combine v3.6.3
[INFO] [stderr]    Compiling skeptic v0.9.0
[INFO] [stderr]    Compiling combine-language v3.0.1
[INFO] [stderr]    Compiling copl-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `calc_env_env`
[INFO] [stderr]   --> src/main.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | / fn calc_env_env<'a, I>() -> LanguageEnv<'a, I>
[INFO] [stderr] 54 | |   where
[INFO] [stderr] 55 | |     I: 'a,
[INFO] [stderr] 56 | |     I: Stream<Item=char>,
[INFO] [stderr] ...  |
[INFO] [stderr] 73 | |   })
[INFO] [stderr] 74 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.94s
[INFO] running `"docker" "inspect" "23ed88e9757c4f4a9ec21c982418050a87e88695112fe4f974d314b141d843dd"`
[INFO] running `"docker" "rm" "-f" "23ed88e9757c4f4a9ec21c982418050a87e88695112fe4f974d314b141d843dd"`
[INFO] [stdout] 23ed88e9757c4f4a9ec21c982418050a87e88695112fe4f974d314b141d843dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/minus3theta/copl-solver:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 72b567758cb0410642eb468ed4e4cbfee0396b6dc3279be2f9edcd3e2167e769
[INFO] running `"docker" "start" "-a" "72b567758cb0410642eb468ed4e4cbfee0396b6dc3279be2f9edcd3e2167e769"`
[INFO] [stderr]    Compiling combine-language v3.0.1
[INFO] [stderr]    Compiling copl-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `calc_env_env`
[INFO] [stderr]   --> src/main.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | / fn calc_env_env<'a, I>() -> LanguageEnv<'a, I>
[INFO] [stderr] 54 | |   where
[INFO] [stderr] 55 | |     I: 'a,
[INFO] [stderr] 56 | |     I: Stream<Item=char>,
[INFO] [stderr] ...  |
[INFO] [stderr] 73 | |   })
[INFO] [stderr] 74 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `"docker" "inspect" "72b567758cb0410642eb468ed4e4cbfee0396b6dc3279be2f9edcd3e2167e769"`
[INFO] running `"docker" "rm" "-f" "72b567758cb0410642eb468ed4e4cbfee0396b6dc3279be2f9edcd3e2167e769"`
[INFO] [stdout] 72b567758cb0410642eb468ed4e4cbfee0396b6dc3279be2f9edcd3e2167e769
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/minus3theta/copl-solver:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] fc76b4829b2b9c0a45d234fe4a23c59caf2f1ef2b8bec8bf7f89d63b05b986f4
[INFO] running `"docker" "start" "-a" "fc76b4829b2b9c0a45d234fe4a23c59caf2f1ef2b8bec8bf7f89d63b05b986f4"`
[INFO] [stderr]    Compiling combine-language v3.0.1
[INFO] [stderr]    Compiling copl-solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `calc_env_env`
[INFO] [stderr]   --> src/main.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | / fn calc_env_env<'a, I>() -> LanguageEnv<'a, I>
[INFO] [stderr] 54 | |   where
[INFO] [stderr] 55 | |     I: 'a,
[INFO] [stderr] 56 | |     I: Stream<Item=char>,
[INFO] [stderr] ...  |
[INFO] [stderr] 73 | |   })
[INFO] [stderr] 74 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/copl_solver-d602f7fe57415575
[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" "fc76b4829b2b9c0a45d234fe4a23c59caf2f1ef2b8bec8bf7f89d63b05b986f4"`
[INFO] running `"docker" "rm" "-f" "fc76b4829b2b9c0a45d234fe4a23c59caf2f1ef2b8bec8bf7f89d63b05b986f4"`
[INFO] [stdout] fc76b4829b2b9c0a45d234fe4a23c59caf2f1ef2b8bec8bf7f89d63b05b986f4