[INFO] cloning repository https://github.com/beoboo/ruscheme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beoboo/ruscheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeoboo%2Fruscheme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeoboo%2Fruscheme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4c2c5374c0fa4139b9b555f1a3e4e443f7a3cd4
[INFO] testing beoboo/ruscheme against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeoboo%2Fruscheme" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/beoboo/ruscheme on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/beoboo/ruscheme
[INFO] finished tweaking git repo https://github.com/beoboo/ruscheme
[INFO] tweaked toml for git repo https://github.com/beoboo/ruscheme written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/beoboo/ruscheme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v1.8.0
[INFO] [stderr]   Downloaded rgb v0.8.14
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded winconsole v0.10.0
[INFO] [stderr]   Downloaded crossterm v0.12.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded cgmath v0.16.1
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.3.0
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded hamcrest2 v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10efaf6c77dcf2fb206b58874f0dfe2c550b7906c49674931ebf683f62bf8cc9
[INFO] running `Command { std: "docker" "start" "-a" "10efaf6c77dcf2fb206b58874f0dfe2c550b7906c49674931ebf683f62bf8cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10efaf6c77dcf2fb206b58874f0dfe2c550b7906c49674931ebf683f62bf8cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10efaf6c77dcf2fb206b58874f0dfe2c550b7906c49674931ebf683f62bf8cc9", kill_on_drop: false }`
[INFO] [stdout] 10efaf6c77dcf2fb206b58874f0dfe2c550b7906c49674931ebf683f62bf8cc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb60f77c7916882afa420561eed4b0955d93e53f8ed038cb8f4171e4ae153995
[INFO] running `Command { std: "docker" "start" "-a" "eb60f77c7916882afa420561eed4b0955d93e53f8ed038cb8f4171e4ae153995", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling rgb v0.8.14
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling crossterm v0.12.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling ruscheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/compiler.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/environment.rs:188:6
[INFO] [stdout]     |
[INFO] [stdout] 188 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `print` are never used
[INFO] [stdout]   --> src/printer.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Printer {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 10 |     pub fn new() -> Printer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn print(&self, tokens: Vec<Token>) -> Result<String, Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_eof` is never used
[INFO] [stdout]   --> src/token.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Token {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn is_eof(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "eb60f77c7916882afa420561eed4b0955d93e53f8ed038cb8f4171e4ae153995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb60f77c7916882afa420561eed4b0955d93e53f8ed038cb8f4171e4ae153995", kill_on_drop: false }`
[INFO] [stdout] eb60f77c7916882afa420561eed4b0955d93e53f8ed038cb8f4171e4ae153995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a4690b4dacc53cf673a6cd5d650cd7dc69a2cc9fbaa324a01482b2842c6fd6a
[INFO] running `Command { std: "docker" "start" "-a" "6a4690b4dacc53cf673a6cd5d650cd7dc69a2cc9fbaa324a01482b2842c6fd6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling hamcrest2 v0.2.6
[INFO] [stderr]    Compiling ruscheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/environment.rs:188:6
[INFO] [stdout]     |
[INFO] [stdout] 188 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.13s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "6a4690b4dacc53cf673a6cd5d650cd7dc69a2cc9fbaa324a01482b2842c6fd6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4690b4dacc53cf673a6cd5d650cd7dc69a2cc9fbaa324a01482b2842c6fd6a", kill_on_drop: false }`
[INFO] [stdout] 6a4690b4dacc53cf673a6cd5d650cd7dc69a2cc9fbaa324a01482b2842c6fd6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8cc30c586c6c477cac0c9cb8459026b361bf49d7db88c932867922b88d5ad6fe
[INFO] running `Command { std: "docker" "start" "-a" "8cc30c586c6c477cac0c9cb8459026b361bf49d7db88c932867922b88d5ad6fe", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/environment.rs:188:6
[INFO] [stderr]     |
[INFO] [stderr] 188 |     };
[INFO] [stderr]     |      ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ruscheme` (bin "ruscheme" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ruscheme-b582c840aad9eb52)
[INFO] [stdout] 
[INFO] [stdout] running 55 tests
[INFO] [stdout] test compiler::tests::compile_numbers ... ok
[INFO] [stdout] test compiler::tests::compile_expressions ... ok
[INFO] [stdout] test environment::tests::define_identifier ... ok
[INFO] [stdout] test environment::tests::check_empty ... ok
[INFO] [stdout] test desugarizer::tests::desugar_empty ... ok
[INFO] [stdout] test desugarizer::tests::desugar_quote ... ok
[INFO] [stdout] test environment::tests::enclosing ... ok
[INFO] [stdout] test compiler::tests::compile_empty ... ok
[INFO] [stdout] test environment::tests::define_number ... ok
[INFO] [stdout] test evaluator::tests::eval_conditions ... ok
[INFO] [stdout] test evaluator::tests::eval_identifiers ... ok
[INFO] [stdout] test evaluator::tests::eval_primitives ... ok
[INFO] [stdout] test environment::tests::test_functions ... ok
[INFO] [stdout] test lexer::tests::lex_compound ... ok
[INFO] [stdout] test expr::tests::test_fn ... ok
[INFO] [stdout] test evaluator::tests::eval_callable ... ok
[INFO] [stdout] test evaluator::tests::eval_expressions ... ok
[INFO] [stdout] test evaluator::tests::eval_invalid ... ok
[INFO] [stdout] test lexer::tests::lex_identifiers ... ok
[INFO] [stdout] test lexer::tests::lex_booleans ... ok
[INFO] [stdout] test lexer::tests::lex_keywords ... ok
[INFO] [stdout] test lexer::tests::lex_numbers ... ok
[INFO] [stdout] test lexer::tests::lex_comment ... ok
[INFO] [stdout] test evaluator::tests::eval_symbols ... ok
[INFO] [stdout] test lexer::tests::lex_strings ... ok
[INFO] [stdout] test parser::tests::parse_comment ... ok
[INFO] [stdout] test evaluator::tests::eval_quotes ... ok
[INFO] [stdout] test environment::tests::test_invalid ... ok
[INFO] [stdout] test lexer::tests::lex_quote ... ok
[INFO] [stdout] test lexer::tests::lex_invalid ... ok
[INFO] [stdout] test evaluator::tests::eval_ifs ... ok
[INFO] [stdout] test evaluator::tests::eval_outputs ... ok
[INFO] [stdout] test evaluator::tests::eval_lambdas ... ok
[INFO] [stdout] test evaluator::tests::eval_definitions ... ok
[INFO] [stdout] test evaluator::tests::eval_lets ... ok
[INFO] [stdout] test parser::tests::parse_conditions ... ok
[INFO] [stdout] test parser::tests::parse_empty_list ... ok
[INFO] [stdout] test parser::tests::parse_invalid ... ok
[INFO] [stdout] test parser::tests::parse_lambdas ... ok
[INFO] [stdout] test parser::tests::parse_empty ... ok
[INFO] [stdout] test parser::tests::parse_operations ... ok
[INFO] [stdout] test parser::tests::parse_expressions ... ok
[INFO] [stdout] test parser::tests::parse_primitives ... ok
[INFO] [stdout] test lexer::tests::lex_paren ... ok
[INFO] [stdout] test parser::tests::parse_quotes ... ok
[INFO] [stdout] test printer::tests::print_tests ... ok
[INFO] [stdout] test virtual_machine::tests::exec_sub ... ok
[INFO] [stdout] test lexer::tests::lex_empty ... ok
[INFO] [stdout] test parser::tests::parse_ifs ... ok
[INFO] [stdout] test virtual_machine::tests::exec_add ... ok
[INFO] [stdout] test parser::tests::parse_lets ... ok
[INFO] [stdout] test parser::tests::parse_unterminated ... ok
[INFO] [stdout] test virtual_machine::tests::exec_constant ... ok
[INFO] [stdout] test virtual_machine::tests::exec_empty ... ok
[INFO] [stdout] test parser::tests::parse_definitions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 55 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8cc30c586c6c477cac0c9cb8459026b361bf49d7db88c932867922b88d5ad6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc30c586c6c477cac0c9cb8459026b361bf49d7db88c932867922b88d5ad6fe", kill_on_drop: false }`
[INFO] [stdout] 8cc30c586c6c477cac0c9cb8459026b361bf49d7db88c932867922b88d5ad6fe