[INFO] updating cached repository https://github.com/twinair/rustcask [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] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 54515a9105343aae88169a21fdd919c701bf4529 [INFO] checking twinair/rustcask against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwinair%2Frustcask" "/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/twinair/rustcask on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/twinair/rustcask [INFO] finished tweaking git repo https://github.com/twinair/rustcask [INFO] tweaked toml for git repo https://github.com/twinair/rustcask written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/twinair/rustcask already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 90511c18cb64c4b2e9dc51c0976a9ded5b4bff7ab1edc01a4aabe3ee182f72dc [INFO] running `"docker" "start" "-a" "90511c18cb64c4b2e9dc51c0976a9ded5b4bff7ab1edc01a4aabe3ee182f72dc"` [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking getrandom v0.1.12 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking backtrace v0.3.37 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stderr] Checking kvs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `crate::RustCaskError` [INFO] [stderr] --> src/kv.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::RustCaskError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `path` [INFO] [stderr] --> src/kv.rs:39:17 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn open(path: &Path) -> Result { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_path` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::RustCaskError` [INFO] [stderr] --> src/kv.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::RustCaskError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `path` [INFO] [stderr] --> src/kv.rs:39:17 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn open(path: &Path) -> Result { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_path` [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/bin/kvs.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | store.set(key.to_owned(), value.to_owned()); [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/bin/kvs.rs:38:9 [INFO] [stderr] | [INFO] [stderr] 38 | store.set(key.to_owned(), value.to_owned()); [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: variable does not need to be mutable [INFO] [stderr] --> tests/tests.rs:194:9 [INFO] [stderr] | [INFO] [stderr] 194 | let mut store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/tests.rs:233:9 [INFO] [stderr] | [INFO] [stderr] 233 | let mut store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/tests.rs:292:13 [INFO] [stderr] | [INFO] [stderr] 292 | let mut store = KvStore::open(temp_dir.path())?; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.64s [INFO] running `"docker" "inspect" "90511c18cb64c4b2e9dc51c0976a9ded5b4bff7ab1edc01a4aabe3ee182f72dc"` [INFO] running `"docker" "rm" "-f" "90511c18cb64c4b2e9dc51c0976a9ded5b4bff7ab1edc01a4aabe3ee182f72dc"` [INFO] [stdout] 90511c18cb64c4b2e9dc51c0976a9ded5b4bff7ab1edc01a4aabe3ee182f72dc