[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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/minus3theta/copl-solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/minus3theta/copl-solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/minus3theta/copl-solver" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/minus3theta/copl-solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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 master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of minus3theta/copl-solver on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "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/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/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/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking minus3theta/copl-solver against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/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=forbid" "-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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 31f900169b547f79ee3eb188a04e1f3587320b608f9c778f5a8b9b4b9465bf75
[INFO] running `"docker" "start" "-a" "31f900169b547f79ee3eb188a04e1f3587320b608f9c778f5a8b9b4b9465bf75"`
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling pulldown-cmark v0.0.8
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]     Checking combine v3.6.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling skeptic v0.9.0
[INFO] [stderr]    Compiling combine-language v3.0.1
[INFO] [stderr]     Checking 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] 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 30.23s
[INFO] running `"docker" "inspect" "31f900169b547f79ee3eb188a04e1f3587320b608f9c778f5a8b9b4b9465bf75"`
[INFO] running `"docker" "rm" "-f" "31f900169b547f79ee3eb188a04e1f3587320b608f9c778f5a8b9b4b9465bf75"`
[INFO] [stdout] 31f900169b547f79ee3eb188a04e1f3587320b608f9c778f5a8b9b4b9465bf75