[INFO] fetching crate rrc 0.1.8... [INFO] checking rrc-0.1.8 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331 [INFO] extracting crate rrc 0.1.8 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate rrc 0.1.8 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112 [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate rrc 0.1.8 [INFO] finished tweaking crates.io crate rrc 0.1.8 [INFO] tweaked toml for crates.io crate rrc 0.1.8 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate rrc 0.1.8 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] cbaef46020760022f6fb706c2f991a9dd4e3dd9441762e068bb232484f534088 [INFO] running `"docker" "start" "-a" "cbaef46020760022f6fb706c2f991a9dd4e3dd9441762e068bb232484f534088"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Checking regex-syntax v0.6.14 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking futures-core v0.3.3 [INFO] [stderr] Checking futures-io v0.3.3 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking once_cell v1.3.1 [INFO] [stderr] Checking futures-timer v2.0.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking aho-corasick v0.7.8 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking async-task v1.3.1 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking async-std v1.5.0 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking rrc v0.1.8 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/config.rs:13:48 [INFO] [stderr] | [INFO] [stderr] 13 | pub static ref DEFAULT_REPO_ROOT: String = { default_root() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `PathBuf` [INFO] [stderr] --> src/remote.rs:10:23 [INFO] [stderr] | [INFO] [stderr] 10 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/main.rs:14:42 [INFO] [stderr] | [INFO] [stderr] 14 | pub static ref CONFIG_PATH: String = { config::get_config_path() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/config.rs:13:48 [INFO] [stderr] | [INFO] [stderr] 13 | pub static ref DEFAULT_REPO_ROOT: String = { default_root() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `PathBuf` [INFO] [stderr] --> src/remote.rs:10:23 [INFO] [stderr] | [INFO] [stderr] 10 | use std::path::{Path, PathBuf}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/remote.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around block return value [INFO] [stderr] --> src/main.rs:14:42 [INFO] [stderr] | [INFO] [stderr] 14 | pub static ref CONFIG_PATH: String = { config::get_config_path() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `as_str` [INFO] [stderr] --> src/local.rs:19:12 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn as_str(&self) -> &str { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/local.rs:290:12 [INFO] [stderr] | [INFO] [stderr] 290 | pub fn new() -> FuzzyVec { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `len` [INFO] [stderr] --> src/local.rs:303:12 [INFO] [stderr] | [INFO] [stderr] 303 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `clear` [INFO] [stderr] --> src/local.rs:308:12 [INFO] [stderr] | [INFO] [stderr] 308 | pub fn clear(&mut self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `append` [INFO] [stderr] --> src/local.rs:313:12 [INFO] [stderr] | [INFO] [stderr] 313 | pub fn append(&mut self, entry: LocalRepository) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `user` [INFO] [stderr] --> src/remote.rs:27:12 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn user(&self) -> &str { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `as_str` [INFO] [stderr] --> src/local.rs:19:12 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn as_str(&self) -> &str { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/local.rs:290:12 [INFO] [stderr] | [INFO] [stderr] 290 | pub fn new() -> FuzzyVec { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `len` [INFO] [stderr] --> src/local.rs:303:12 [INFO] [stderr] | [INFO] [stderr] 303 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `clear` [INFO] [stderr] --> src/local.rs:308:12 [INFO] [stderr] | [INFO] [stderr] 308 | pub fn clear(&mut self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `append` [INFO] [stderr] --> src/local.rs:313:12 [INFO] [stderr] | [INFO] [stderr] 313 | pub fn append(&mut self, entry: LocalRepository) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `user` [INFO] [stderr] --> src/remote.rs:27:12 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn user(&self) -> &str { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.28s [INFO] running `"docker" "inspect" "cbaef46020760022f6fb706c2f991a9dd4e3dd9441762e068bb232484f534088"` [INFO] running `"docker" "rm" "-f" "cbaef46020760022f6fb706c2f991a9dd4e3dd9441762e068bb232484f534088"` [INFO] [stdout] cbaef46020760022f6fb706c2f991a9dd4e3dd9441762e068bb232484f534088