[INFO] updating cached repository https://github.com/kumojan/rnc [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/kumojan/rnc [INFO] [stderr] 284ba47..f028938 master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f028938d7999c107b14a7d9e81208934f75f1fe3 [INFO] checking kumojan/rnc against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkumojan%2Frnc" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kumojan/rnc on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/kumojan/rnc [INFO] finished tweaking git repo https://github.com/kumojan/rnc [INFO] tweaked toml for git repo https://github.com/kumojan/rnc written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/kumojan/rnc already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cb17721f7603a276a8dcfdedc4ef2923ce111982ff1c9679630aa0eee99093b0 [INFO] running `"docker" "start" "-a" "cb17721f7603a276a8dcfdedc4ef2923ce111982ff1c9679630aa0eee99093b0"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking rnc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `HashMap` [INFO] [stderr] --> src/tokenize.rs:2:24 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::{HashMap, VecDeque}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `HashMap` [INFO] [stderr] --> src/tokenize.rs:2:24 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::{HashMap, VecDeque}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/codegen.rs:154:21 [INFO] [stderr] | [INFO] [stderr] 154 | _ => unimplemented!(), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/codegen.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | _ => Err(CodeGenError::new(node))?, [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `returns` [INFO] [stderr] --> src/parse.rs:111:28 [INFO] [stderr] | [INFO] [stderr] 111 | Node::Return { returns } => write!(f, "return"), [INFO] [stderr] | ^^^^^^^ help: try ignoring the field: `returns: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/codegen.rs:154:21 [INFO] [stderr] | [INFO] [stderr] 154 | _ => unimplemented!(), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/codegen.rs:159:13 [INFO] [stderr] | [INFO] [stderr] 159 | _ => Err(CodeGenError::new(node))?, [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `returns` [INFO] [stderr] --> src/parse.rs:111:28 [INFO] [stderr] | [INFO] [stderr] 111 | Node::Return { returns } => write!(f, "return"), [INFO] [stderr] | ^^^^^^^ help: try ignoring the field: `returns: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | print_graph(&nodes); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/codegen.rs:132:21 [INFO] [stderr] | [INFO] [stderr] 132 | self.gen(stmt); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parse.rs:245:13 [INFO] [stderr] | [INFO] [stderr] 245 | self.expect("}"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parse.rs:265:13 [INFO] [stderr] | [INFO] [stderr] 265 | self.expect("("); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parse.rs:270:17 [INFO] [stderr] | [INFO] [stderr] 270 | self.expect(";"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parse.rs:277:17 [INFO] [stderr] | [INFO] [stderr] 277 | self.expect(";"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parse.rs:284:17 [INFO] [stderr] | [INFO] [stderr] 284 | self.expect(")"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parse.rs:516:17 [INFO] [stderr] | [INFO] [stderr] 516 | self.expect(")"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | print_graph(&nodes); [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 `std::result::Result` that must be used [INFO] [stderr] --> src/codegen.rs:132:21 [INFO] [stderr] | [INFO] [stderr] 132 | self.gen(stmt); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parse.rs:245:13 [INFO] [stderr] | [INFO] [stderr] 245 | self.expect("}"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parse.rs:265:13 [INFO] [stderr] | [INFO] [stderr] 265 | self.expect("("); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parse.rs:270:17 [INFO] [stderr] | [INFO] [stderr] 270 | self.expect(";"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parse.rs:277:17 [INFO] [stderr] | [INFO] [stderr] 277 | self.expect(";"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parse.rs:284:17 [INFO] [stderr] | [INFO] [stderr] 284 | self.expect(")"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/parse.rs:516:17 [INFO] [stderr] | [INFO] [stderr] 516 | self.expect(")"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.00s [INFO] running `"docker" "inspect" "cb17721f7603a276a8dcfdedc4ef2923ce111982ff1c9679630aa0eee99093b0"` [INFO] running `"docker" "rm" "-f" "cb17721f7603a276a8dcfdedc4ef2923ce111982ff1c9679630aa0eee99093b0"` [INFO] [stdout] cb17721f7603a276a8dcfdedc4ef2923ce111982ff1c9679630aa0eee99093b0