[INFO] fetching crate uvm_core 0.3.1... [INFO] checking uvm_core-0.3.1 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] extracting crate uvm_core 0.3.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate uvm_core 0.3.1 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate uvm_core 0.3.1 [INFO] finished tweaking crates.io crate uvm_core 0.3.1 [INFO] tweaked toml for crates.io crate uvm_core 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cluFlock v0.1.5 [INFO] running `"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" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] a79ac54cf3cec44bcdbb90785db8217e10310e770c3806444e28c1962203835b [INFO] running `"docker" "start" "-a" "a79ac54cf3cec44bcdbb90785db8217e10310e770c3806444e28c1962203835b"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling plist v0.3.0 [INFO] [stderr] Checking result v1.0.0 [INFO] [stderr] Checking transformation-pipeline v0.1.0 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking dirs-2 v1.1.0 [INFO] [stderr] Checking cluFlock v0.1.5 [INFO] [stderr] Checking publicsuffix v1.5.3 [INFO] [stderr] Checking hex-serde v0.1.0 [INFO] [stderr] Checking md-5 v0.8.0 [INFO] [stderr] Checking unzip v0.1.0 [INFO] [stderr] Checking serde_ini v0.2.0 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking proptest v0.8.7 [INFO] [stderr] Checking reqwest v0.9.22 [INFO] [stderr] Checking uvm_core v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `OsString` [INFO] [stderr] --> src/install/installer/linux.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::ffi::{OsString, OsStr}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/install/installer/linux.rs:152:17 [INFO] [stderr] | [INFO] [stderr] 152 | }).map_err(|err| { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/install/installer/linux.rs:218:17 [INFO] [stderr] | [INFO] [stderr] 218 | let mut stdin = cpio.stdin.as_mut().expect("stdin"); [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] --> src/install/installer/linux.rs:238:21 [INFO] [stderr] | [INFO] [stderr] 238 | let mut stdin = cpio.stdin.as_mut().expect("stdin"); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/install/installer/linux.rs:239:21 [INFO] [stderr] | [INFO] [stderr] 239 | let mut gzipStdOut = gzip.stdout.as_mut().expect("stdout"); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable `gzipStdOut` should have a snake case name [INFO] [stderr] --> src/install/installer/linux.rs:239:25 [INFO] [stderr] | [INFO] [stderr] 239 | let mut gzipStdOut = gzip.stdout.as_mut().expect("stdout"); [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `gzip_std_out` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `cleanDirectory` should have a snake case name [INFO] [stderr] --> src/install/installer/linux.rs:261:4 [INFO] [stderr] | [INFO] [stderr] 261 | fn cleanDirectory(path: &PathBuf) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `clean_directory` [INFO] [stderr] [INFO] [stderr] warning: unused import: `uvm_core::install` [INFO] [stderr] --> tests/download_unity_installer.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use uvm_core::install; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `uvm_core::unity` [INFO] [stderr] --> tests/download_unity_installer.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use uvm_core::unity; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `OsString` [INFO] [stderr] --> src/install/installer/linux.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::ffi::{OsString, OsStr}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/unity/version/manifest/mod.rs:168:9 [INFO] [stderr] | [INFO] [stderr] 168 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tempfile` [INFO] [stderr] --> src/unity/version/manifest/mod.rs:169:9 [INFO] [stderr] | [INFO] [stderr] 169 | use tempfile; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err` [INFO] [stderr] --> src/install/installer/linux.rs:152:17 [INFO] [stderr] | [INFO] [stderr] 152 | }).map_err(|err| { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_err` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/install/installer/linux.rs:218:17 [INFO] [stderr] | [INFO] [stderr] 218 | let mut stdin = cpio.stdin.as_mut().expect("stdin"); [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] --> src/install/installer/linux.rs:238:21 [INFO] [stderr] | [INFO] [stderr] 238 | let mut stdin = cpio.stdin.as_mut().expect("stdin"); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/install/installer/linux.rs:239:21 [INFO] [stderr] | [INFO] [stderr] 239 | let mut gzipStdOut = gzip.stdout.as_mut().expect("stdout"); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable `gzipStdOut` should have a snake case name [INFO] [stderr] --> src/install/installer/linux.rs:239:25 [INFO] [stderr] | [INFO] [stderr] 239 | let mut gzipStdOut = gzip.stdout.as_mut().expect("stdout"); [INFO] [stderr] | ^^^^^^^^^^ help: convert the identifier to snake case: `gzip_std_out` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `cleanDirectory` should have a snake case name [INFO] [stderr] --> src/install/installer/linux.rs:261:4 [INFO] [stderr] | [INFO] [stderr] 261 | fn cleanDirectory(path: &PathBuf) -> io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `clean_directory` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::result::Result::::is_ok` that must be used [INFO] [stderr] --> src/unity/version/mod.rs:510:13 [INFO] [stderr] | [INFO] [stderr] 510 | Version::from_str(s).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/unity/mod.rs:294:5 [INFO] [stderr] | [INFO] [stderr] 294 | / proptest! { [INFO] [stderr] 295 | | #[test] [INFO] [stderr] 296 | | fn doesnt_crash(ref s in "\\PC*") { [INFO] [stderr] 297 | | Installations::new(Path::new(s)) [INFO] [stderr] ... | [INFO] [stderr] 308 | | } [INFO] [stderr] 309 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.52s [INFO] running `"docker" "inspect" "a79ac54cf3cec44bcdbb90785db8217e10310e770c3806444e28c1962203835b"` [INFO] running `"docker" "rm" "-f" "a79ac54cf3cec44bcdbb90785db8217e10310e770c3806444e28c1962203835b"` [INFO] [stdout] a79ac54cf3cec44bcdbb90785db8217e10310e770c3806444e28c1962203835b