[INFO] updating cached repository https://github.com/P1start/753 [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] a8665b11724bba0bed27fdabecefe850480d4f85 [INFO] checking P1start/753 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FP1start%2F753" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/P1start/753 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/P1start/753 [INFO] finished tweaking git repo https://github.com/P1start/753 [INFO] tweaked toml for git repo https://github.com/P1start/753 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/P1start/753 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d48bae80a2143495a2318741ccdee7128a7c51bec56683eabb1a0c2062686816 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "d48bae80a2143495a2318741ccdee7128a7c51bec56683eabb1a0c2062686816"` [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling lazy_static v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.4.1 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling gcc v0.3.54 [INFO] [stderr] Checking rand v0.4.1 [INFO] [stderr] Compiling semver v0.6.0 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling regex v0.2.3 [INFO] [stderr] Compiling llvm-sys v40.0.5 [INFO] [stderr] Checking _753 v0.0.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/llvm.rs:163:13 [INFO] [stderr] | [INFO] [stderr] 163 | try!(write!(f, "{}", c_str.to_str().unwrap())); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/llvm.rs:163:13 [INFO] [stderr] | [INFO] [stderr] 163 | try!(write!(f, "{}", c_str.to_str().unwrap())); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parse.rs:136:17 [INFO] [stderr] | [INFO] [stderr] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parse.rs:136:31 [INFO] [stderr] | [INFO] [stderr] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parse.rs:136:45 [INFO] [stderr] | [INFO] [stderr] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/llvm.rs:138:26 [INFO] [stderr] | [INFO] [stderr] 138 | let mut ee = mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/llvm.rs:304:34 [INFO] [stderr] | [INFO] [stderr] 304 | let mut out_module = mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parse.rs:136:17 [INFO] [stderr] | [INFO] [stderr] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parse.rs:136:31 [INFO] [stderr] | [INFO] [stderr] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/parse.rs:136:45 [INFO] [stderr] | [INFO] [stderr] 136 | '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/llvm.rs:138:26 [INFO] [stderr] | [INFO] [stderr] 138 | let mut ee = mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/llvm.rs:304:34 [INFO] [stderr] | [INFO] [stderr] 304 | let mut out_module = mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/compile.rs:321:25 [INFO] [stderr] | [INFO] [stderr] 321 | let mut new_mir = MirBuilder::new(new_name, expr); [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/compile.rs:321:25 [INFO] [stderr] | [INFO] [stderr] 321 | let mut new_mir = MirBuilder::new(new_name, expr); [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/compile.rs:408:21 [INFO] [stderr] | [INFO] [stderr] 408 | let mut predecessors = mir.bbs.iter().enumerate().filter_map(|(i, x)| match x.terminator { [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/compile.rs:408:21 [INFO] [stderr] | [INFO] [stderr] 408 | let mut predecessors = mir.bbs.iter().enumerate().filter_map(|(i, x)| match x.terminator { [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.14s [INFO] running `"docker" "inspect" "d48bae80a2143495a2318741ccdee7128a7c51bec56683eabb1a0c2062686816"` [INFO] running `"docker" "rm" "-f" "d48bae80a2143495a2318741ccdee7128a7c51bec56683eabb1a0c2062686816"` [INFO] [stdout] d48bae80a2143495a2318741ccdee7128a7c51bec56683eabb1a0c2062686816