[INFO] updating cached repository zymogen/zymogen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zymogen/zymogen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zymogen/zymogen" "work/ex/beta-1.38-1/sources/1.37.0/gh/zymogen/zymogen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/zymogen/zymogen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zymogen/zymogen" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zymogen/zymogen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zymogen/zymogen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 49c48d33e535ca8e2d6d9488680441ab0ac79515
[INFO] sha for GitHub repo zymogen/zymogen: 49c48d33e535ca8e2d6d9488680441ab0ac79515
[INFO] validating manifest of zymogen/zymogen 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 zymogen/zymogen 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 zymogen/zymogen
[INFO] finished frobbing zymogen/zymogen
[INFO] frobbed toml for zymogen/zymogen written to work/ex/beta-1.38-1/sources/1.37.0/gh/zymogen/zymogen/Cargo.toml
[INFO] started frobbing zymogen/zymogen
[INFO] finished frobbing zymogen/zymogen
[INFO] frobbed toml for zymogen/zymogen written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/zymogen/zymogen/Cargo.toml
[INFO] crate zymogen/zymogen 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 zymogen/zymogen 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/zymogen/zymogen:/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] bc2c8abf38830f77fe92c4eb2a531878177e4542cd34a590efad2c5fbbf971c0
[INFO] running `"docker" "start" "-a" "bc2c8abf38830f77fe92c4eb2a531878177e4542cd34a590efad2c5fbbf971c0"`
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling colored v1.7.0
[INFO] [stderr]    Compiling zymogen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `JumpNotEqual`
[INFO] [stderr]   --> src/compiler/ir/bytecode.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     JumpNotEqual(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `"docker" "inspect" "bc2c8abf38830f77fe92c4eb2a531878177e4542cd34a590efad2c5fbbf971c0"`
[INFO] running `"docker" "rm" "-f" "bc2c8abf38830f77fe92c4eb2a531878177e4542cd34a590efad2c5fbbf971c0"`
[INFO] [stdout] bc2c8abf38830f77fe92c4eb2a531878177e4542cd34a590efad2c5fbbf971c0
[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/zymogen/zymogen:/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] f33fffd6140cb5425359c06cbedd86307b3a2d426039fec9f3a22e61a2c2ff39
[INFO] running `"docker" "start" "-a" "f33fffd6140cb5425359c06cbedd86307b3a2d426039fec9f3a22e61a2c2ff39"`
[INFO] [stderr]    Compiling zymogen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `JumpNotEqual`
[INFO] [stderr]   --> src/compiler/ir/bytecode.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     JumpNotEqual(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `"docker" "inspect" "f33fffd6140cb5425359c06cbedd86307b3a2d426039fec9f3a22e61a2c2ff39"`
[INFO] running `"docker" "rm" "-f" "f33fffd6140cb5425359c06cbedd86307b3a2d426039fec9f3a22e61a2c2ff39"`
[INFO] [stdout] f33fffd6140cb5425359c06cbedd86307b3a2d426039fec9f3a22e61a2c2ff39
[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/zymogen/zymogen:/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] 1037d905cbde2ec522567729e8a51a9786833516b6b7948d93153659e467f363
[INFO] running `"docker" "start" "-a" "1037d905cbde2ec522567729e8a51a9786833516b6b7948d93153659e467f363"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zymogen-0f22ec0eb0a6f286
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test syntax::test::parse_and_iter ... ok
[INFO] [stdout] test syntax::parser::test::parse_keywords ... ok
[INFO] [stdout] test syntax::lexer::test::lex_unexpected_eof ... ok
[INFO] [stdout] test sexp::test::list_into_iter ... ok
[INFO] [stdout] test sexp::test::list_from_iter ... ok
[INFO] [stdout] test compiler::symbol::test::test_gensyms ... ok
[INFO] [stdout] test syntax::lexer::test::lex_keywords ... ok
[INFO] [stdout] test syntax::lexer::test::lex_list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [stderr]      Running /opt/crater/target/debug/deps/main-a84a4c42223665af
[INFO] [stderr]    Doc-tests zymogen
[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" "1037d905cbde2ec522567729e8a51a9786833516b6b7948d93153659e467f363"`
[INFO] running `"docker" "rm" "-f" "1037d905cbde2ec522567729e8a51a9786833516b6b7948d93153659e467f363"`
[INFO] [stdout] 1037d905cbde2ec522567729e8a51a9786833516b6b7948d93153659e467f363