[INFO] cloning repository https://github.com/mrLSD/llvm-sample [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrLSD/llvm-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmrLSD%2Fllvm-sample", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmrLSD%2Fllvm-sample'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e3677474457a1548d53598c7c8b11c120d0beb0f [INFO] checking mrLSD/llvm-sample against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmrLSD%2Fllvm-sample" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mrLSD/llvm-sample on toolchain 4a04890980766cc79878135f5ade8c0c4321e943 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mrLSD/llvm-sample [INFO] finished tweaking git repo https://github.com/mrLSD/llvm-sample [INFO] tweaked toml for git repo https://github.com/mrLSD/llvm-sample written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/mrLSD/llvm-sample already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/TheDan64/inkwell` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded instant v0.1.7 [INFO] [stderr] Downloaded proc-macro2 v1.0.23 [INFO] [stderr] Downloaded llvm-sys v100.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] 715539c6743a6cdc8162aa29a1531871086b548c89c04a06998c068f3b6d7bef [INFO] running `Command { std: "docker" "start" "-a" "715539c6743a6cdc8162aa29a1531871086b548c89c04a06998c068f3b6d7bef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "715539c6743a6cdc8162aa29a1531871086b548c89c04a06998c068f3b6d7bef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "715539c6743a6cdc8162aa29a1531871086b548c89c04a06998c068f3b6d7bef", kill_on_drop: false }` [INFO] [stdout] 715539c6743a6cdc8162aa29a1531871086b548c89c04a06998c068f3b6d7bef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] 72cb04f5a2625c3795167b56be0b4d2b8dd56b71cb2fea33e2f8cfca3da2f035 [INFO] running `Command { std: "docker" "start" "-a" "72cb04f5a2625c3795167b56be0b4d2b8dd56b71cb2fea33e2f8cfca3da2f035", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?rev=7b2e20f#7b2e20f9) [INFO] [stderr] Checking cc v1.0.61 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking instant v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.23 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling llvm-sys v100.2.0 [INFO] [stderr] Compiling inkwell_internals v0.2.0 (https://github.com/TheDan64/inkwell?rev=7b2e20f#7b2e20f9) [INFO] [stderr] Checking llvm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:66:2 [INFO] [stdout] | [INFO] [stdout] 66 | std::fs::create_dir("bin"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:70:2 [INFO] [stdout] | [INFO] [stdout] 70 | / Command::new("ar") [INFO] [stdout] 71 | | .args(&["crs", "bin/libap.a", "bin/app.o"]) [INFO] [stdout] 72 | | .spawn() [INFO] [stdout] 73 | | .expect("Expect success") [INFO] [stdout] 74 | | .wait(); [INFO] [stdout] | |________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:84:2 [INFO] [stdout] | [INFO] [stdout] 84 | / Command::new("ld") [INFO] [stdout] 85 | | .args(&[ [INFO] [stdout] 86 | | "-o", "bin/ap", [INFO] [stdout] 87 | | "-dynamic-linker", [INFO] [stdout] ... | [INFO] [stdout] 95 | | .expect("Expect success") [INFO] [stdout] 96 | | .wait(); [INFO] [stdout] | |________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:97:2 [INFO] [stdout] | [INFO] [stdout] 97 | std::fs::remove_file(Path::new("bin/app.o")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:66:2 [INFO] [stdout] | [INFO] [stdout] 66 | std::fs::create_dir("bin"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:70:2 [INFO] [stdout] | [INFO] [stdout] 70 | / Command::new("ar") [INFO] [stdout] 71 | | .args(&["crs", "bin/libap.a", "bin/app.o"]) [INFO] [stdout] 72 | | .spawn() [INFO] [stdout] 73 | | .expect("Expect success") [INFO] [stdout] 74 | | .wait(); [INFO] [stdout] | |________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:84:2 [INFO] [stdout] | [INFO] [stdout] 84 | / Command::new("ld") [INFO] [stdout] 85 | | .args(&[ [INFO] [stdout] 86 | | "-o", "bin/ap", [INFO] [stdout] 87 | | "-dynamic-linker", [INFO] [stdout] ... | [INFO] [stdout] 95 | | .expect("Expect success") [INFO] [stdout] 96 | | .wait(); [INFO] [stdout] | |________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:97:2 [INFO] [stdout] | [INFO] [stdout] 97 | std::fs::remove_file(Path::new("bin/app.o")); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.77s [INFO] running `Command { std: "docker" "inspect" "72cb04f5a2625c3795167b56be0b4d2b8dd56b71cb2fea33e2f8cfca3da2f035", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72cb04f5a2625c3795167b56be0b4d2b8dd56b71cb2fea33e2f8cfca3da2f035", kill_on_drop: false }` [INFO] [stdout] 72cb04f5a2625c3795167b56be0b4d2b8dd56b71cb2fea33e2f8cfca3da2f035