[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] checking hannomalie/htlispinterpreter against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhannomalie%2Fhtlispinterpreter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hannomalie/htlispinterpreter on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "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-4-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 342c80b881c70ee6306304cc4bafe08e1e1f51effde1c48e466e0a98d13af9aa
[INFO] running `Command { std: "docker" "start" "-a" "342c80b881c70ee6306304cc4bafe08e1e1f51effde1c48e466e0a98d13af9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "342c80b881c70ee6306304cc4bafe08e1e1f51effde1c48e466e0a98d13af9aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342c80b881c70ee6306304cc4bafe08e1e1f51effde1c48e466e0a98d13af9aa", kill_on_drop: false }`
[INFO] [stdout] 342c80b881c70ee6306304cc4bafe08e1e1f51effde1c48e466e0a98d13af9aa
[INFO] checking hannomalie/htlispinterpreter against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhannomalie%2Fhtlispinterpreter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hannomalie/htlispinterpreter on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "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-4-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e02861e9abe30fb6723720618f89f15b15a857657d991163f4471a56048ccf4
[INFO] running `Command { std: "docker" "start" "-a" "2e02861e9abe30fb6723720618f89f15b15a857657d991163f4471a56048ccf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e02861e9abe30fb6723720618f89f15b15a857657d991163f4471a56048ccf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e02861e9abe30fb6723720618f89f15b15a857657d991163f4471a56048ccf4", kill_on_drop: false }`
[INFO] [stdout] 2e02861e9abe30fb6723720618f89f15b15a857657d991163f4471a56048ccf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01b6e2fa98bf2d4a2a2f3e877b78e9909bc74607387f7a70d63bbe18d35c549f
[INFO] running `Command { std: "docker" "start" "-a" "01b6e2fa98bf2d4a2a2f3e877b78e9909bc74607387f7a70d63bbe18d35c549f", kill_on_drop: false }`
[INFO] [stderr]     Checking htlispinterpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `tokens` and `expected_brace_after_token` are never read
[INFO] [stdout]   --> src/ast.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 |     UnbalancedBraces { tokens: Vec<Ast>, expected_brace_after_token: usize }
[INFO] [stdout]    |     ----------------   ^^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let _ = std::io::stdin().read_line(&mut input);
[INFO] [stdout]    |         +++++++
[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] ...  |
[INFO] [stdout] 26 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let _ = std::panic::catch_unwind(|| {
[INFO] [stdout]    |         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Leaf(token) => { let _ = f.write_str(&token.to_string()); }
[INFO] [stdout]    |                              +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Node(tokens) => { let _ = f.write_str(&tokens.first().unwrap().to_string()); }
[INFO] [stdout]    |                               +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let _ = std::io::stdin().read_line(&mut input);
[INFO] [stdout]    |         +++++++
[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] ...  |
[INFO] [stdout] 26 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let _ = std::panic::catch_unwind(|| {
[INFO] [stdout]    |         +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 16 |             Leaf(token) => { let _ = f.write_str(&token.to_string()); }
[INFO] [stdout]    |                              +++++++
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |             Node(tokens) => { let _ = f.write_str(&tokens.first().unwrap().to_string()); }
[INFO] [stdout]    |                               +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "01b6e2fa98bf2d4a2a2f3e877b78e9909bc74607387f7a70d63bbe18d35c549f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b6e2fa98bf2d4a2a2f3e877b78e9909bc74607387f7a70d63bbe18d35c549f", kill_on_drop: false }`
[INFO] [stdout] 01b6e2fa98bf2d4a2a2f3e877b78e9909bc74607387f7a70d63bbe18d35c549f