[INFO] updating cached repository mzumi/writing-an-interpreter-in-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mzumi/writing-an-interpreter-in-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mzumi/writing-an-interpreter-in-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/mzumi/writing-an-interpreter-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mzumi/writing-an-interpreter-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mzumi/writing-an-interpreter-in-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mzumi/writing-an-interpreter-in-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mzumi/writing-an-interpreter-in-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6b5d30edd90e7dfb45d75ed744c330db355fa562
[INFO] sha for GitHub repo mzumi/writing-an-interpreter-in-rust: 6b5d30edd90e7dfb45d75ed744c330db355fa562
[INFO] validating manifest of mzumi/writing-an-interpreter-in-rust 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 mzumi/writing-an-interpreter-in-rust 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 mzumi/writing-an-interpreter-in-rust
[INFO] finished frobbing mzumi/writing-an-interpreter-in-rust
[INFO] frobbed toml for mzumi/writing-an-interpreter-in-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/mzumi/writing-an-interpreter-in-rust/Cargo.toml
[INFO] started frobbing mzumi/writing-an-interpreter-in-rust
[INFO] finished frobbing mzumi/writing-an-interpreter-in-rust
[INFO] frobbed toml for mzumi/writing-an-interpreter-in-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mzumi/writing-an-interpreter-in-rust/Cargo.toml
[INFO] crate mzumi/writing-an-interpreter-in-rust 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mzumi/writing-an-interpreter-in-rust 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mzumi/writing-an-interpreter-in-rust:/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] 941ffc1146d7dc44c741ace1605c2ea7f761ea5d4b17f0a7790c555d60c204f1
[INFO] running `"docker" "start" "-a" "941ffc1146d7dc44c741ace1605c2ea7f761ea5d4b17f0a7790c555d60c204f1"`
[INFO] [stderr]    Compiling writing-an-interpreter-in-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "941ffc1146d7dc44c741ace1605c2ea7f761ea5d4b17f0a7790c555d60c204f1"`
[INFO] running `"docker" "rm" "-f" "941ffc1146d7dc44c741ace1605c2ea7f761ea5d4b17f0a7790c555d60c204f1"`
[INFO] [stdout] 941ffc1146d7dc44c741ace1605c2ea7f761ea5d4b17f0a7790c555d60c204f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mzumi/writing-an-interpreter-in-rust:/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] 250f6132f19e284df2929d88b12e14a2a7fae83ba84ce9a8c2ce981e54dff3ea
[INFO] running `"docker" "start" "-a" "250f6132f19e284df2929d88b12e14a2a7fae83ba84ce9a8c2ce981e54dff3ea"`
[INFO] [stderr]    Compiling writing-an-interpreter-in-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "250f6132f19e284df2929d88b12e14a2a7fae83ba84ce9a8c2ce981e54dff3ea"`
[INFO] running `"docker" "rm" "-f" "250f6132f19e284df2929d88b12e14a2a7fae83ba84ce9a8c2ce981e54dff3ea"`
[INFO] [stdout] 250f6132f19e284df2929d88b12e14a2a7fae83ba84ce9a8c2ce981e54dff3ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mzumi/writing-an-interpreter-in-rust:/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] c5081faace83871f7e4c3898f309c98f298fa17bafd3af8f7fc1769cb93847f3
[INFO] running `"docker" "start" "-a" "c5081faace83871f7e4c3898f309c98f298fa17bafd3af8f7fc1769cb93847f3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/writing_an_interpreter_in_rust-470903c1144c2ea5
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test ast::ast::test::test_to_stirng ... ok
[INFO] [stdout] test parser::parser::test_return_statement ... ok
[INFO] [stdout] test token::token_type::parse_test ... ok
[INFO] [stdout] test parser::parser::test_let_statement ... ok
[INFO] [stdout] test parser::parser::test_invalid_let_statement ... ok
[INFO] [stdout] test token::token_type::fail_parse ... ok
[INFO] [stdout] test lexer::lexer::test_next_token ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/writing_an_interpreter_in_rust-0e2bbc63ce264bf6
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests writing-an-interpreter-in-rust
[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] [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" "c5081faace83871f7e4c3898f309c98f298fa17bafd3af8f7fc1769cb93847f3"`
[INFO] running `"docker" "rm" "-f" "c5081faace83871f7e4c3898f309c98f298fa17bafd3af8f7fc1769cb93847f3"`
[INFO] [stdout] c5081faace83871f7e4c3898f309c98f298fa17bafd3af8f7fc1769cb93847f3