[INFO] cloning 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" "clone" "--bare" "https://github.com/rchaser53/llvm-ir-lt-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fllvm-ir-lt-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fllvm-ir-lt-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 891fdde99c192a4c9ae7081d024df513240ae097
[INFO] checking rchaser53/llvm-ir-lt-sample against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fllvm-ir-lt-sample" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/llvm-ir-lt-sample on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "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-2/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 45f90811e79851f35531ca85043c9b5372fe7e1d3d260bd06d5208f344315e22
[INFO] running `Command { std: "docker" "start" "-a" "45f90811e79851f35531ca85043c9b5372fe7e1d3d260bd06d5208f344315e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45f90811e79851f35531ca85043c9b5372fe7e1d3d260bd06d5208f344315e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f90811e79851f35531ca85043c9b5372fe7e1d3d260bd06d5208f344315e22", kill_on_drop: false }`
[INFO] [stdout] 45f90811e79851f35531ca85043c9b5372fe7e1d3d260bd06d5208f344315e22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b8d1830f11bced3982e582edf2cd58968105e278e3338b018bc6e027e6075a5
[INFO] running `Command { std: "docker" "start" "-a" "6b8d1830f11bced3982e582edf2cd58968105e278e3338b018bc6e027e6075a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling llvm-ir-lt-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex v0.2.11
[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: 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: 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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.62s
[INFO] running `Command { std: "docker" "inspect" "6b8d1830f11bced3982e582edf2cd58968105e278e3338b018bc6e027e6075a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b8d1830f11bced3982e582edf2cd58968105e278e3338b018bc6e027e6075a5", kill_on_drop: false }`
[INFO] [stdout] 6b8d1830f11bced3982e582edf2cd58968105e278e3338b018bc6e027e6075a5