[INFO] cloning repository https://github.com/buttercrab/hyeo-ung-lang [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buttercrab/hyeo-ung-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuttercrab%2Fhyeo-ung-lang"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuttercrab%2Fhyeo-ung-lang'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1a779078f3b631111a3f73fc76ea2907f00645e8 [INFO] checking buttercrab/hyeo-ung-lang against try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuttercrab%2Fhyeo-ung-lang" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/buttercrab/hyeo-ung-lang on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68 [INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/buttercrab/hyeo-ung-lang [INFO] finished tweaking git repo https://github.com/buttercrab/hyeo-ung-lang [INFO] tweaked toml for git repo https://github.com/buttercrab/hyeo-ung-lang written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Updating git repository `https://github.com/clap-rs/clap/` [INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "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] 95338097fa2a9de7b9b0e1d43a3b40cd3c4d5f7abb27d766a1ce4bfd451f64d4 [INFO] running `"docker" "start" "-a" "95338097fa2a9de7b9b0e1d43a3b40cd3c4d5f7abb27d766a1ce4bfd451f64d4"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.11 [INFO] [stderr] Compiling proc-macro-error v0.4.11 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking openssl-sys v0.9.54 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking openssl v0.10.28 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Checking native-tls v0.2.3 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Checking ctrlc v3.1.4 [INFO] [stderr] Checking tokio v0.2.13 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap/#3792941c) [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap/#3792941c) [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking tokio-tls v0.3.0 [INFO] [stderr] Checking h2 v0.2.2 [INFO] [stderr] Checking hyper v0.13.3 [INFO] [stderr] Checking hyper-tls v0.4.1 [INFO] [stderr] Checking reqwest v0.10.4 [INFO] [stderr] Checking hyeong v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `code` [INFO] [stderr] --> src/compile.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn optimize(code: Vec, level: usize) -> (code::OptState, Vec) { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_code` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `level` [INFO] [stderr] --> src/compile.rs:3:45 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn optimize(code: Vec, level: usize) -> (code::OptState, Vec) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_level` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `state` [INFO] [stderr] --> src/compile.rs:7:37 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn build_source(state: T, code: &Vec) -> String { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_state` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `code` [INFO] [stderr] --> src/compile.rs:7:47 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn build_source(state: T, code: &Vec) -> String { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_code` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `code` [INFO] [stderr] --> src/compile.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn optimize(code: Vec, level: usize) -> (code::OptState, Vec) { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_code` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `level` [INFO] [stderr] --> src/compile.rs:3:45 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn optimize(code: Vec, level: usize) -> (code::OptState, Vec) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_level` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `state` [INFO] [stderr] --> src/compile.rs:7:37 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn build_source(state: T, code: &Vec) -> String { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_state` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `code` [INFO] [stderr] --> src/compile.rs:7:47 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn build_source(state: T, code: &Vec) -> String { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_code` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/main.rs:127:13 [INFO] [stderr] | [INFO] [stderr] 127 | let source = if level >= 1 { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_source` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `code` [INFO] [stderr] --> src/main.rs:142:13 [INFO] [stderr] | [INFO] [stderr] 142 | let code = io::read_file(matches.value_of("input").unwrap()); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_code` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/main.rs:127:13 [INFO] [stderr] | [INFO] [stderr] 127 | let source = if level >= 1 { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_source` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `code` [INFO] [stderr] --> src/main.rs:142:13 [INFO] [stderr] | [INFO] [stderr] 142 | let code = io::read_file(matches.value_of("input").unwrap()); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_code` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 12s [INFO] running `"docker" "inspect" "95338097fa2a9de7b9b0e1d43a3b40cd3c4d5f7abb27d766a1ce4bfd451f64d4"` [INFO] running `"docker" "rm" "-f" "95338097fa2a9de7b9b0e1d43a3b40cd3c4d5f7abb27d766a1ce4bfd451f64d4"` [INFO] [stdout] 95338097fa2a9de7b9b0e1d43a3b40cd3c4d5f7abb27d766a1ce4bfd451f64d4