[INFO] cloning repository https://github.com/greenhandzpx/pascal-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/greenhandzpx/pascal-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenhandzpx%2Fpascal-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenhandzpx%2Fpascal-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3597f21d219b53e30ee45647f1983c22e66b34c5 [INFO] checking greenhandzpx/pascal-interpreter against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenhandzpx%2Fpascal-interpreter" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/greenhandzpx/pascal-interpreter on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/greenhandzpx/pascal-interpreter [INFO] finished tweaking git repo https://github.com/greenhandzpx/pascal-interpreter [INFO] tweaked toml for git repo https://github.com/greenhandzpx/pascal-interpreter written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/greenhandzpx/pascal-interpreter 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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "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 [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking greenhandzpx/pascal-interpreter against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenhandzpx%2Fpascal-interpreter" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/greenhandzpx/pascal-interpreter on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/greenhandzpx/pascal-interpreter [INFO] finished tweaking git repo https://github.com/greenhandzpx/pascal-interpreter [INFO] tweaked toml for git repo https://github.com/greenhandzpx/pascal-interpreter written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/greenhandzpx/pascal-interpreter 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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e6d28e4449aaf77cb956977e556a53be1aea79db968b04648707e418f68fced8 [INFO] running `Command { std: "docker" "start" "-a" "e6d28e4449aaf77cb956977e556a53be1aea79db968b04648707e418f68fced8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6d28e4449aaf77cb956977e556a53be1aea79db968b04648707e418f68fced8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6d28e4449aaf77cb956977e556a53be1aea79db968b04648707e418f68fced8", kill_on_drop: false }` [INFO] [stdout] e6d28e4449aaf77cb956977e556a53be1aea79db968b04648707e418f68fced8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b6a8acd503b19c6dbe2b6f602ab36484b8f6b37a6e5940a2fd5c84ae3e4252d [INFO] running `Command { std: "docker" "start" "-a" "9b6a8acd503b19c6dbe2b6f602ab36484b8f6b37a6e5940a2fd5c84ae3e4252d", kill_on_drop: false }` [INFO] [stderr] Checking caculator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: `let` expressions in this position are unstable [INFO] [stdout] --> src/main.rs:49:15 [INFO] [stdout] | [INFO] [stdout] 49 | while let Some(ch) = self.current_char && ch == ' ' { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-02-08; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are unstable [INFO] [stdout] --> src/main.rs:55:15 [INFO] [stdout] | [INFO] [stdout] 55 | while let Some(ch) = self.current_char && ch.is_digit(10) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-02-08; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are unstable [INFO] [stdout] --> src/ast/ast.rs:106:15 [INFO] [stdout] | [INFO] [stdout] 106 | while let Some(ch) = self.current_char && ch == ' ' { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-02-08; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are unstable [INFO] [stdout] --> src/ast/ast.rs:112:15 [INFO] [stdout] | [INFO] [stdout] 112 | while let Some(ch) = self.current_char && ch.is_digit(10) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-02-08; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are unstable [INFO] [stdout] --> src/main.rs:49:15 [INFO] [stdout] | [INFO] [stdout] 49 | while let Some(ch) = self.current_char && ch == ' ' { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-02-08; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are unstable [INFO] [stdout] --> src/main.rs:55:15 [INFO] [stdout] | [INFO] [stdout] 55 | while let Some(ch) = self.current_char && ch.is_digit(10) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-02-08; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are unstable [INFO] [stdout] --> src/ast/ast.rs:106:15 [INFO] [stdout] | [INFO] [stdout] 106 | while let Some(ch) = self.current_char && ch == ' ' { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-02-08; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: `let` expressions in this position are unstable [INFO] [stdout] --> src/ast/ast.rs:112:15 [INFO] [stdout] | [INFO] [stdout] 112 | while let Some(ch) = self.current_char && ch.is_digit(10) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] = help: add `#![feature(let_chains)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2024-02-08; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/ast/ast.rs:246:21 [INFO] [stdout] | [INFO] [stdout] 246 | fn visit(&self, node: Rc) -> i32 { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/ast/ast.rs:246:21 [INFO] [stdout] | [INFO] [stdout] 246 | fn visit(&self, node: Rc) -> i32 { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `caculator` (bin "caculator") due to 5 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `caculator` (bin "caculator" test) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "9b6a8acd503b19c6dbe2b6f602ab36484b8f6b37a6e5940a2fd5c84ae3e4252d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b6a8acd503b19c6dbe2b6f602ab36484b8f6b37a6e5940a2fd5c84ae3e4252d", kill_on_drop: false }` [INFO] [stdout] 9b6a8acd503b19c6dbe2b6f602ab36484b8f6b37a6e5940a2fd5c84ae3e4252d