[INFO] cloning repository https://github.com/jacobjonsson/writing-an-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobjonsson/writing-an-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobjonsson%2Fwriting-an-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobjonsson%2Fwriting-an-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7bcf72bba7ea42a326f0a2368ab5e3695109e06
[INFO] testing jacobjonsson/writing-an-interpreter against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobjonsson%2Fwriting-an-interpreter" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacobjonsson/writing-an-interpreter on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jacobjonsson/writing-an-interpreter
[INFO] finished tweaking git repo https://github.com/jacobjonsson/writing-an-interpreter
[INFO] tweaked toml for git repo https://github.com/jacobjonsson/writing-an-interpreter written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/jacobjonsson/writing-an-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 528e9ea3eab1a07aaafa8a64e0a3f8906ab412a5e4dfb06a0395ba14825728dc
[INFO] running `Command { std: "docker" "start" "-a" "528e9ea3eab1a07aaafa8a64e0a3f8906ab412a5e4dfb06a0395ba14825728dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528e9ea3eab1a07aaafa8a64e0a3f8906ab412a5e4dfb06a0395ba14825728dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528e9ea3eab1a07aaafa8a64e0a3f8906ab412a5e4dfb06a0395ba14825728dc", kill_on_drop: false }`
[INFO] [stdout] 528e9ea3eab1a07aaafa8a64e0a3f8906ab412a5e4dfb06a0395ba14825728dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf4455787b7cedbfe502c0ca08c5f8f49b2e566b8cd2534de70ea438242c197a
[INFO] running `Command { std: "docker" "start" "-a" "cf4455787b7cedbfe502c0ca08c5f8f49b2e566b8cd2534de70ea438242c197a", kill_on_drop: false }`
[INFO] [stderr]    Compiling writing-an-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "cf4455787b7cedbfe502c0ca08c5f8f49b2e566b8cd2534de70ea438242c197a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4455787b7cedbfe502c0ca08c5f8f49b2e566b8cd2534de70ea438242c197a", kill_on_drop: false }`
[INFO] [stdout] cf4455787b7cedbfe502c0ca08c5f8f49b2e566b8cd2534de70ea438242c197a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20ef668971e27105dceb69354c0c798e6b8c21600c79643fc720364035f02357
[INFO] running `Command { std: "docker" "start" "-a" "20ef668971e27105dceb69354c0c798e6b8c21600c79643fc720364035f02357", kill_on_drop: false }`
[INFO] [stderr]    Compiling writing-an-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "20ef668971e27105dceb69354c0c798e6b8c21600c79643fc720364035f02357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ef668971e27105dceb69354c0c798e6b8c21600c79643fc720364035f02357", kill_on_drop: false }`
[INFO] [stdout] 20ef668971e27105dceb69354c0c798e6b8c21600c79643fc720364035f02357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d43296c189ecfbe4345009c0719bbdf63bfbc85b440ed28055d9300dd7e443a
[INFO] running `Command { std: "docker" "start" "-a" "1d43296c189ecfbe4345009c0719bbdf63bfbc85b440ed28055d9300dd7e443a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/writing_an_interpreter-0c86d8848e8365b8)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test parser::tests::test_if_else_expression ... ok
[INFO] [stdout] test parser::tests::test_let_statements ... ok
[INFO] [stdout] test parser::tests::test_function_parameter_parsing ... ok
[INFO] [stdout] test parser::tests::test_boolean_expression ... ok
[INFO] [stdout] test parser::tests::test_identifier_expression ... ok
[INFO] [stdout] test parser::tests::test_infix_expressions ... ok
[INFO] [stdout] test parser::tests::test_return_statements ... ok
[INFO] [stdout] test parser::tests::test_if_expression ... ok
[INFO] [stdout] test parser::tests::test_integer_literal_expression ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test parser::tests::test_prefix_expression ... ok
[INFO] [stdout] test parser::tests::test_function_literal_parsing ... ok
[INFO] [stdout] test parser::tests::test_operator_precedence_parsing ... ok
[INFO] [stdout] test parser::tests::test_call_expression_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d43296c189ecfbe4345009c0719bbdf63bfbc85b440ed28055d9300dd7e443a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d43296c189ecfbe4345009c0719bbdf63bfbc85b440ed28055d9300dd7e443a", kill_on_drop: false }`
[INFO] [stdout] 1d43296c189ecfbe4345009c0719bbdf63bfbc85b440ed28055d9300dd7e443a