[INFO] cloning repository https://github.com/zaki-yama/monkey-interpreter-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zaki-yama/monkey-interpreter-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaki-yama%2Fmonkey-interpreter-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaki-yama%2Fmonkey-interpreter-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f81037c073d6120f38a4015949f8d06b390399e3 [INFO] checking zaki-yama/monkey-interpreter-rust against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzaki-yama%2Fmonkey-interpreter-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zaki-yama/monkey-interpreter-rust on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zaki-yama/monkey-interpreter-rust [INFO] finished tweaking git repo https://github.com/zaki-yama/monkey-interpreter-rust [INFO] tweaked toml for git repo https://github.com/zaki-yama/monkey-interpreter-rust written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/zaki-yama/monkey-interpreter-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d657449cfb2203125cb88554c132c013ea093453b7186adc03165ba637554206 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d657449cfb2203125cb88554c132c013ea093453b7186adc03165ba637554206", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d657449cfb2203125cb88554c132c013ea093453b7186adc03165ba637554206", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d657449cfb2203125cb88554c132c013ea093453b7186adc03165ba637554206", kill_on_drop: false }` [INFO] [stdout] d657449cfb2203125cb88554c132c013ea093453b7186adc03165ba637554206 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd29c8bece5a1c09cded94d2bc1177e2b7cdc273d0569f10827d5ee80ededc9c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cd29c8bece5a1c09cded94d2bc1177e2b7cdc273d0569f10827d5ee80ededc9c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking humantime v2.0.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking thread_local v1.1.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking env_logger v0.8.2 [INFO] [stderr] Compiling thiserror-impl v1.0.23 [INFO] [stderr] Checking thiserror v1.0.23 [INFO] [stderr] Checking monkey-interpreter-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `precedence` [INFO] [stdout] --> src/parser.rs:293:36 [INFO] [stdout] | [INFO] [stdout] 293 | fn parse_expression(&mut self, precedence: Precedence) -> Option { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precedence` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `precedence` [INFO] [stdout] --> src/parser.rs:293:36 [INFO] [stdout] | [INFO] [stdout] 293 | fn parse_expression(&mut self, precedence: Precedence) -> Option { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precedence` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / while let tok = lexer.next_token() { [INFO] [stdout] 20 | | if tok.token_type == TokenType::Eof { [INFO] [stdout] 21 | | break; [INFO] [stdout] 22 | | } [INFO] [stdout] 23 | | println!("{:?} ", tok); [INFO] [stdout] 24 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `while let` pattern [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / while let tok = lexer.next_token() { [INFO] [stdout] 20 | | if tok.token_type == TokenType::Eof { [INFO] [stdout] 21 | | break; [INFO] [stdout] 22 | | } [INFO] [stdout] 23 | | println!("{:?} ", tok); [INFO] [stdout] 24 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] = note: this pattern will always match, so the loop will never exit [INFO] [stdout] = help: consider instead using a `loop { ... }` with a `let` inside it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.09s [INFO] running `Command { std: "docker" "inspect" "cd29c8bece5a1c09cded94d2bc1177e2b7cdc273d0569f10827d5ee80ededc9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd29c8bece5a1c09cded94d2bc1177e2b7cdc273d0569f10827d5ee80ededc9c", kill_on_drop: false }` [INFO] [stdout] cd29c8bece5a1c09cded94d2bc1177e2b7cdc273d0569f10827d5ee80ededc9c