[INFO] cloning repository https://github.com/Akatsuki-py/flowchart.gb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Akatsuki-py/flowchart.gb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkatsuki-py%2Fflowchart.gb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkatsuki-py%2Fflowchart.gb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5490db2e47484879628de5b6c222672a4f9d271f
[INFO] checking Akatsuki-py/flowchart.gb against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkatsuki-py%2Fflowchart.gb" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Akatsuki-py/flowchart.gb on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Akatsuki-py/flowchart.gb
[INFO] finished tweaking git repo https://github.com/Akatsuki-py/flowchart.gb
[INFO] tweaked toml for git repo https://github.com/Akatsuki-py/flowchart.gb written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Akatsuki-py/flowchart.gb 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/saurvs/nfd-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/mlabbe/nativefiledialog`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d5a27425b48c93c63a4ead7cb4369d69ffe9fb39d3e48b8317718a06db8fb92
[INFO] running `Command { std: "docker" "start" "-a" "7d5a27425b48c93c63a4ead7cb4369d69ffe9fb39d3e48b8317718a06db8fb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d5a27425b48c93c63a4ead7cb4369d69ffe9fb39d3e48b8317718a06db8fb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5a27425b48c93c63a4ead7cb4369d69ffe9fb39d3e48b8317718a06db8fb92", kill_on_drop: false }`
[INFO] [stdout] 7d5a27425b48c93c63a4ead7cb4369d69ffe9fb39d3e48b8317718a06db8fb92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a331b50c40636eeb0e9908c13b1d2d4a1cbeeaaaf78e2f3e44a9a1706f20ba53
[INFO] running `Command { std: "docker" "start" "-a" "a331b50c40636eeb0e9908c13b1d2d4a1cbeeaaaf78e2f3e44a9a1706f20ba53", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling nfd v0.0.4 (https://github.com/saurvs/nfd-rs.git#07578c5f)
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking flowchartgb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nfd v0.0.4 (https://github.com/saurvs/nfd-rs.git#07578c5f)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "a331b50c40636eeb0e9908c13b1d2d4a1cbeeaaaf78e2f3e44a9a1706f20ba53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a331b50c40636eeb0e9908c13b1d2d4a1cbeeaaaf78e2f3e44a9a1706f20ba53", kill_on_drop: false }`
[INFO] [stdout] a331b50c40636eeb0e9908c13b1d2d4a1cbeeaaaf78e2f3e44a9a1706f20ba53
[INFO] checking Akatsuki-py/flowchart.gb against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAkatsuki-py%2Fflowchart.gb" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Akatsuki-py/flowchart.gb on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Akatsuki-py/flowchart.gb
[INFO] finished tweaking git repo https://github.com/Akatsuki-py/flowchart.gb
[INFO] tweaked toml for git repo https://github.com/Akatsuki-py/flowchart.gb written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Akatsuki-py/flowchart.gb 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fc78409faa580c0d77e62ff31a658511dea8d48f64822a40eb306047a80c992
[INFO] running `Command { std: "docker" "start" "-a" "6fc78409faa580c0d77e62ff31a658511dea8d48f64822a40eb306047a80c992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fc78409faa580c0d77e62ff31a658511dea8d48f64822a40eb306047a80c992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc78409faa580c0d77e62ff31a658511dea8d48f64822a40eb306047a80c992", kill_on_drop: false }`
[INFO] [stdout] 6fc78409faa580c0d77e62ff31a658511dea8d48f64822a40eb306047a80c992
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88102d8fb1c236a53bc338ffc0e957a507ef6f61d1de6a23bae82f2041ce96f2
[INFO] running `Command { std: "docker" "start" "-a" "88102d8fb1c236a53bc338ffc0e957a507ef6f61d1de6a23bae82f2041ce96f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling nfd v0.0.4 (https://github.com/saurvs/nfd-rs.git#07578c5f)
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking flowchartgb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/analyzer.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 | /             match parser::get_node(&nodes, label) {
[INFO] [stdout] 150 | |                 Some(node) => return Some(node),
[INFO] [stdout] 151 | |                 None => continue,
[INFO] [stdout] 152 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/analyzer.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 | /             match parser::get_node(&nodes, label) {
[INFO] [stdout] 150 | |                 Some(node) => return Some(node),
[INFO] [stdout] 151 | |                 None => continue,
[INFO] [stdout] 152 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flowchartgb` (bin "flowchartgb") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `flowchartgb` (bin "flowchartgb" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "88102d8fb1c236a53bc338ffc0e957a507ef6f61d1de6a23bae82f2041ce96f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88102d8fb1c236a53bc338ffc0e957a507ef6f61d1de6a23bae82f2041ce96f2", kill_on_drop: false }`
[INFO] [stdout] 88102d8fb1c236a53bc338ffc0e957a507ef6f61d1de6a23bae82f2041ce96f2