[INFO] cloning repository https://github.com/hannomalie/htlispinterpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hannomalie/htlispinterpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhannomalie%2Fhtlispinterpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhannomalie%2Fhtlispinterpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2651453438973967492d56f9647a888820ade57b
[INFO] testing hannomalie/htlispinterpreter 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%2Fhannomalie%2Fhtlispinterpreter" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hannomalie/htlispinterpreter 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/hannomalie/htlispinterpreter
[INFO] finished tweaking git repo https://github.com/hannomalie/htlispinterpreter
[INFO] tweaked toml for git repo https://github.com/hannomalie/htlispinterpreter written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/hannomalie/htlispinterpreter 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ff83f1bd73067521dbf22b3ee9f6f4397d6040b8569327c9e573a3fd2a83463d
[INFO] running `Command { std: "docker" "start" "-a" "ff83f1bd73067521dbf22b3ee9f6f4397d6040b8569327c9e573a3fd2a83463d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff83f1bd73067521dbf22b3ee9f6f4397d6040b8569327c9e573a3fd2a83463d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff83f1bd73067521dbf22b3ee9f6f4397d6040b8569327c9e573a3fd2a83463d", kill_on_drop: false }`
[INFO] [stdout] ff83f1bd73067521dbf22b3ee9f6f4397d6040b8569327c9e573a3fd2a83463d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 2d42a0a4a6cf2b0c05c9922b5686af6f42849c3f813033da0036029ae8d2f46e
[INFO] running `Command { std: "docker" "start" "-a" "2d42a0a4a6cf2b0c05c9922b5686af6f42849c3f813033da0036029ae8d2f46e", kill_on_drop: false }`
[INFO] [stderr]    Compiling htlispinterpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         std::io::stdin().read_line(&mut input);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | /         std::panic::catch_unwind(|| {
[INFO] [stdout] 20 | |             let tokens = input_trimmed.tokenize();
[INFO] [stdout] 21 | |             let asts = &tokens.to_ast().ok().unwrap();
[INFO] [stdout] 22 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |             }
[INFO] [stdout] 26 | |         });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ast.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Leaf(token) => { f.write_str(&token.to_string()); }
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ast.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Node(tokens) => { f.write_str(&tokens.first().unwrap().to_string()); }
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "2d42a0a4a6cf2b0c05c9922b5686af6f42849c3f813033da0036029ae8d2f46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d42a0a4a6cf2b0c05c9922b5686af6f42849c3f813033da0036029ae8d2f46e", kill_on_drop: false }`
[INFO] [stdout] 2d42a0a4a6cf2b0c05c9922b5686af6f42849c3f813033da0036029ae8d2f46e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3d447a0f4f73b28d79329a44e98567b9580e45c60c954cbefb3c01cacc5aca04
[INFO] running `Command { std: "docker" "start" "-a" "3d447a0f4f73b28d79329a44e98567b9580e45c60c954cbefb3c01cacc5aca04", kill_on_drop: false }`
[INFO] [stderr]    Compiling htlispinterpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         std::io::stdin().read_line(&mut input);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | /         std::panic::catch_unwind(|| {
[INFO] [stdout] 20 | |             let tokens = input_trimmed.tokenize();
[INFO] [stdout] 21 | |             let asts = &tokens.to_ast().ok().unwrap();
[INFO] [stdout] 22 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | |             }
[INFO] [stdout] 26 | |         });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ast.rs:16:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Leaf(token) => { f.write_str(&token.to_string()); }
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/ast.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Node(tokens) => { f.write_str(&tokens.first().unwrap().to_string()); }
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "3d447a0f4f73b28d79329a44e98567b9580e45c60c954cbefb3c01cacc5aca04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d447a0f4f73b28d79329a44e98567b9580e45c60c954cbefb3c01cacc5aca04", kill_on_drop: false }`
[INFO] [stdout] 3d447a0f4f73b28d79329a44e98567b9580e45c60c954cbefb3c01cacc5aca04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] bc67c9ce753edc5b772567636d11c6005d7a2234358aaec465c3cf51569ea20d
[INFO] running `Command { std: "docker" "start" "-a" "bc67c9ce753edc5b772567636d11c6005d7a2234358aaec465c3cf51569ea20d", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         std::io::stdin().read_line(&mut input);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | /         std::panic::catch_unwind(|| {
[INFO] [stderr] 20 | |             let tokens = input_trimmed.tokenize();
[INFO] [stderr] 21 | |             let asts = &tokens.to_ast().ok().unwrap();
[INFO] [stderr] 22 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 25 | |             }
[INFO] [stderr] 26 | |         });
[INFO] [stderr]    | |___________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/ast.rs:16:30
[INFO] [stderr]    |
[INFO] [stderr] 16 |             Leaf(token) => { f.write_str(&token.to_string()); }
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/ast.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 |             Node(tokens) => { f.write_str(&tokens.first().unwrap().to_string()); }
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `htlispinterpreter` (bin "htlispinterpreter" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/htlispinterpreter-8e844db11855dc38)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test ast::tests::simple_ast_is_parsed_correctly ... ok
[INFO] [stdout] test interpreter::tests::simple_ast_is_interpreted_correctly ... ok
[INFO] [stdout] test tokens::tests::simple_tokenizing_works ... ok
[INFO] [stdout] test ast::tests::unequal_braces_are_recognized_correctly ... ok
[INFO] [stdout] test tokens::tests::complex_tokenizing_works ... ok
[INFO] [stdout] test ast::tests::complex_ast_is_parsed_correctly ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc67c9ce753edc5b772567636d11c6005d7a2234358aaec465c3cf51569ea20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc67c9ce753edc5b772567636d11c6005d7a2234358aaec465c3cf51569ea20d", kill_on_drop: false }`
[INFO] [stdout] bc67c9ce753edc5b772567636d11c6005d7a2234358aaec465c3cf51569ea20d