[INFO] updating cached repository https://github.com/sisshiki1969/ruruby [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] [stderr] From https://github.com/sisshiki1969/ruruby [INFO] [stderr] * [new branch] gc -> gc [INFO] [stderr] 00e1c17..08d5195 master -> master [INFO] [stderr] * [new branch] static_gc -> static_gc [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 08d51956d59b8cfbd475ee4abc3f4d75755ee69b [INFO] checking sisshiki1969/ruruby against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsisshiki1969%2Fruruby" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sisshiki1969/ruruby on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6 [INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sisshiki1969/ruruby [INFO] finished tweaking git repo https://github.com/sisshiki1969/ruruby [INFO] tweaked toml for git repo https://github.com/sisshiki1969/ruruby written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/sisshiki1969/ruruby already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 02292be80dd3478d8cbee9bfebd96f1dfda392edf01ab14126d52335e89021c0 [INFO] running `"docker" "start" "-a" "02292be80dd3478d8cbee9bfebd96f1dfda392edf01ab14126d52335e89021c0"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking bit-vec v0.5.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking divrem v0.1.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bit-set v0.5.1 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking fancy-regex v0.3.3 [INFO] [stderr] Checking rustyline v5.0.4 [INFO] [stderr] Checking ruruby v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/builtin/string.rs:33:21 [INFO] [stderr] | [INFO] [stderr] 33 | std::mem::replace(unsafe { &mut *mut_rstring }, RString::Str(s)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/vm/args.rs:136:21 [INFO] [stderr] | [INFO] [stderr] 136 | std::mem::replace(self, ArgsArray::Vec(ary)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/builtin/string.rs:33:21 [INFO] [stderr] | [INFO] [stderr] 33 | std::mem::replace(unsafe { &mut *mut_rstring }, RString::Str(s)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/vm/args.rs:136:21 [INFO] [stderr] | [INFO] [stderr] 136 | std::mem::replace(self, ArgsArray::Vec(ary)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.52s [INFO] running `"docker" "inspect" "02292be80dd3478d8cbee9bfebd96f1dfda392edf01ab14126d52335e89021c0"` [INFO] running `"docker" "rm" "-f" "02292be80dd3478d8cbee9bfebd96f1dfda392edf01ab14126d52335e89021c0"` [INFO] [stdout] 02292be80dd3478d8cbee9bfebd96f1dfda392edf01ab14126d52335e89021c0