[INFO] updating cached repository viters/pioter-lang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/viters/pioter-lang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/viters/pioter-lang" "work/ex/beta-1.37-6/sources/1.36.0/gh/viters/pioter-lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/viters/pioter-lang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/viters/pioter-lang" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/viters/pioter-lang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/viters/pioter-lang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc8791c225f037d127f56fa34ee080a3f6bd1971
[INFO] sha for GitHub repo viters/pioter-lang: bc8791c225f037d127f56fa34ee080a3f6bd1971
[INFO] validating manifest of viters/pioter-lang 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 viters/pioter-lang 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 viters/pioter-lang
[INFO] finished frobbing viters/pioter-lang
[INFO] frobbed toml for viters/pioter-lang written to work/ex/beta-1.37-6/sources/1.36.0/gh/viters/pioter-lang/Cargo.toml
[INFO] started frobbing viters/pioter-lang
[INFO] finished frobbing viters/pioter-lang
[INFO] frobbed toml for viters/pioter-lang written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/viters/pioter-lang/Cargo.toml
[INFO] crate viters/pioter-lang 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 viters/pioter-lang against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/viters/pioter-lang:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] dbad253bb40f1f879e01004c1adc9c50a942508d0c13bfea2f74c7288b0e02dd
[INFO] running `"docker" "start" "-a" "dbad253bb40f1f879e01004c1adc9c50a942508d0c13bfea2f74c7288b0e02dd"`
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling pioter-lang v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `parser::debug_pair`
[INFO] [stderr]  --> src/parser/functions.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use parser::debug_pair;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.47s
[INFO] running `"docker" "inspect" "dbad253bb40f1f879e01004c1adc9c50a942508d0c13bfea2f74c7288b0e02dd"`
[INFO] running `"docker" "rm" "-f" "dbad253bb40f1f879e01004c1adc9c50a942508d0c13bfea2f74c7288b0e02dd"`
[INFO] [stdout] dbad253bb40f1f879e01004c1adc9c50a942508d0c13bfea2f74c7288b0e02dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/viters/pioter-lang:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] eb57e176063ca2431f983a19045e49ddf00dd7fc99f8d4f1bdf623d7e4f6dc03
[INFO] running `"docker" "start" "-a" "eb57e176063ca2431f983a19045e49ddf00dd7fc99f8d4f1bdf623d7e4f6dc03"`
[INFO] [stderr]    Compiling pioter-lang v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `parser::debug_pair`
[INFO] [stderr]  --> src/parser/functions.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use parser::debug_pair;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `"docker" "inspect" "eb57e176063ca2431f983a19045e49ddf00dd7fc99f8d4f1bdf623d7e4f6dc03"`
[INFO] running `"docker" "rm" "-f" "eb57e176063ca2431f983a19045e49ddf00dd7fc99f8d4f1bdf623d7e4f6dc03"`
[INFO] [stdout] eb57e176063ca2431f983a19045e49ddf00dd7fc99f8d4f1bdf623d7e4f6dc03
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/viters/pioter-lang:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] e4ad5119abdc10a5c0912ec5da3c7631ae0d9333ec696e656eceabb4d84a1fa7
[INFO] running `"docker" "start" "-a" "e4ad5119abdc10a5c0912ec5da3c7631ae0d9333ec696e656eceabb4d84a1fa7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pioter_lang-0efc256caa91111a
[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" "e4ad5119abdc10a5c0912ec5da3c7631ae0d9333ec696e656eceabb4d84a1fa7"`
[INFO] running `"docker" "rm" "-f" "e4ad5119abdc10a5c0912ec5da3c7631ae0d9333ec696e656eceabb4d84a1fa7"`
[INFO] [stdout] e4ad5119abdc10a5c0912ec5da3c7631ae0d9333ec696e656eceabb4d84a1fa7