[INFO] updating cached repository https://github.com/rchaser53/llvm-ir-lt-sample
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 891fdde99c192a4c9ae7081d024df513240ae097
[INFO] checking rchaser53/llvm-ir-lt-sample against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fllvm-ir-lt-sample" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/llvm-ir-lt-sample on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rchaser53/llvm-ir-lt-sample
[INFO] finished tweaking git repo https://github.com/rchaser53/llvm-ir-lt-sample
[INFO] tweaked toml for git repo https://github.com/rchaser53/llvm-ir-lt-sample written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/rchaser53/llvm-ir-lt-sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4a903bd72f450468d4b8803dc098ef49131848f1c12e064b3d330dbf5779bc0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a4a903bd72f450468d4b8803dc098ef49131848f1c12e064b3d330dbf5779bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4a903bd72f450468d4b8803dc098ef49131848f1c12e064b3d330dbf5779bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a903bd72f450468d4b8803dc098ef49131848f1c12e064b3d330dbf5779bc0", kill_on_drop: false }`
[INFO] [stdout] a4a903bd72f450468d4b8803dc098ef49131848f1c12e064b3d330dbf5779bc0
[INFO] running `Command { std: "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9043ad7c3a4c11fb3427f3fd28e73d24a260bb4f8820b48bf0cc340d9413887d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9043ad7c3a4c11fb3427f3fd28e73d24a260bb4f8820b48bf0cc340d9413887d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling llvm-ir-lt-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling llvm-sys v60.2.0
[INFO] [stdout] warning: unused import: `loop_struct::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use loop_struct::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `loop_struct::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use loop_struct::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `loop_struct`
[INFO] [stdout]   --> src/loop_struct.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn loop_struct(lb: &mut LlvmBuilder) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_printf_int`
[INFO] [stdout]   --> src/utils.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn create_printf_int(module: *mut LLVMModule) -> *mut LLVMValue {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_field_value`
[INFO] [stdout]   --> src/utils.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn get_field_value(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_field_value`
[INFO] [stdout]   --> src/utils.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn set_field_value(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `loop_struct`
[INFO] [stdout]   --> src/loop_struct.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn loop_struct(lb: &mut LlvmBuilder) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_printf_int`
[INFO] [stdout]   --> src/utils.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn create_printf_int(module: *mut LLVMModule) -> *mut LLVMValue {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_field_value`
[INFO] [stdout]   --> src/utils.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn get_field_value(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_field_value`
[INFO] [stdout]   --> src/utils.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub fn set_field_value(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.22s
[INFO] running `Command { std: "docker" "inspect" "9043ad7c3a4c11fb3427f3fd28e73d24a260bb4f8820b48bf0cc340d9413887d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9043ad7c3a4c11fb3427f3fd28e73d24a260bb4f8820b48bf0cc340d9413887d", kill_on_drop: false }`
[INFO] [stdout] 9043ad7c3a4c11fb3427f3fd28e73d24a260bb4f8820b48bf0cc340d9413887d