[INFO] updating cached repository https://github.com/jedamzik/simple-interpreter-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d65f22eb48269ad446dcbcba5c13f6046e768f5
[INFO] testing jedamzik/simple-interpreter-in-rust against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjedamzik%2Fsimple-interpreter-in-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jedamzik/simple-interpreter-in-rust on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jedamzik/simple-interpreter-in-rust
[INFO] finished tweaking git repo https://github.com/jedamzik/simple-interpreter-in-rust
[INFO] tweaked toml for git repo https://github.com/jedamzik/simple-interpreter-in-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/jedamzik/simple-interpreter-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e139cf1303fec4a3d5aa6d3428d262cdfb4f816e647be872ca5f6b5343287e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3e139cf1303fec4a3d5aa6d3428d262cdfb4f816e647be872ca5f6b5343287e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e139cf1303fec4a3d5aa6d3428d262cdfb4f816e647be872ca5f6b5343287e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e139cf1303fec4a3d5aa6d3428d262cdfb4f816e647be872ca5f6b5343287e1", kill_on_drop: false }`
[INFO] [stdout] 3e139cf1303fec4a3d5aa6d3428d262cdfb4f816e647be872ca5f6b5343287e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f774064c86f82d2812b58ed4e9fd30def06d2a0ea670a8d4d0158efef4b769b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f774064c86f82d2812b58ed4e9fd30def06d2a0ea670a8d4d0158efef4b769b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling strcursor v0.2.5
[INFO] [stderr]    Compiling ast-interpreter v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "f774064c86f82d2812b58ed4e9fd30def06d2a0ea670a8d4d0158efef4b769b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f774064c86f82d2812b58ed4e9fd30def06d2a0ea670a8d4d0158efef4b769b5", kill_on_drop: false }`
[INFO] [stdout] f774064c86f82d2812b58ed4e9fd30def06d2a0ea670a8d4d0158efef4b769b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd2f5cc631234c47d396db8c4ce19ff85f8c2e4c10da25aeba66a4fb343d7c01
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd2f5cc631234c47d396db8c4ce19ff85f8c2e4c10da25aeba66a4fb343d7c01", kill_on_drop: false }`
[INFO] [stderr]    Compiling ast-interpreter v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "fd2f5cc631234c47d396db8c4ce19ff85f8c2e4c10da25aeba66a4fb343d7c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2f5cc631234c47d396db8c4ce19ff85f8c2e4c10da25aeba66a4fb343d7c01", kill_on_drop: false }`
[INFO] [stdout] fd2f5cc631234c47d396db8c4ce19ff85f8c2e4c10da25aeba66a4fb343d7c01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bdfdafa0ff0cada8964fbd174931f0a575aa117c7d77fc9a14e759892092a36
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4bdfdafa0ff0cada8964fbd174931f0a575aa117c7d77fc9a14e759892092a36", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ast_interpreter-7995b4387775af44
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test interpreter::division_gets_precedence_before_subtraction ... ok
[INFO] [stdout] test interpreter::multiplication_gets_precedence_before_addition ... ok
[INFO] [stdout] test interpreter::division_gets_precedence_before_addition ... ok
[INFO] [stdout] test interpreter::parenthesized_expressions_get_precedence_on_left_hand_of_operator ... ok
[INFO] [stdout] test lexer::parse_digits_handles_three_digit_integers ... ok
[INFO] [stdout] test lexer::tokenize_word_returns_add_operator ... ok
[INFO] [stdout] test lexer::tokenize_word_returns_div_operator ... ok
[INFO] [stdout] test interpreter::multiplication_gets_precedence_before_subtraction ... ok
[INFO] [stdout] test lexer::tokenize_word_returns_left_paren ... ok
[INFO] [stdout] test lexer::parse_digits_handles_two_digit_integers ... ok
[INFO] [stdout] test lexer::tokenize_word_returns_sub_operator ... ok
[INFO] [stdout] test parser::eat_returns_current_token_if_passed_token_matches ... ok
[INFO] [stdout] test lexer::is_integer_returns_correctly ... ok
[INFO] [stdout] test lexer::tokenize_word_returns_whitespace ... ok
[INFO] [stdout] test lexer::tokenize_returns_a_vector_of_tokens ... ok
[INFO] [stdout] test lexer::tokenize_word_returns_mul_operator ... ok
[INFO] [stdout] test parser::eat_advances_current_token_index ... ok
[INFO] [stdout] test lexer::parse_digits_handles_one_digit_integers ... ok
[INFO] [stdout] test lexer::tokenize_word_returns_integer_number ... ok
[INFO] [stdout] test interpreter::parenthesized_expressions_get_precedence_on_right_hand_of_operator ... ok
[INFO] [stdout] test parser::next_token_increments_current_token_index ... ok
[INFO] [stdout] test parser::next_token_increment_is_clamped_to_length_of_token_vector ... ok
[INFO] [stdout] test parser::factor_returns_number_token_as_node ... ok
[INFO] [stdout] test lexer::tokenize_word_returns_right_paren ... ok
[INFO] [stdout] test parser::factor_skips_whitespace_tokens ... ok
[INFO] [stdout] test lexer::lex_returns_a_vector_of_tokens ... ok
[INFO] [stdout] test parser::factor_consumes_the_token ... ok
[INFO] [stdout] test parser::eat_returns_error_if_the_passed_token_is_not_the_current_token ... ok
[INFO] [stdout] test parser::factor_throws_syntax_error_on_operator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bdfdafa0ff0cada8964fbd174931f0a575aa117c7d77fc9a14e759892092a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bdfdafa0ff0cada8964fbd174931f0a575aa117c7d77fc9a14e759892092a36", kill_on_drop: false }`
[INFO] [stdout] 4bdfdafa0ff0cada8964fbd174931f0a575aa117c7d77fc9a14e759892092a36