[INFO] cloning repository https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayphelps%2Fusing-llvm-from-rust-to-generate-webassembly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayphelps%2Fusing-llvm-from-rust-to-generate-webassembly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 410ff2d39392ca81728bbc3bf853f10ed3de2580
[INFO] checking jayphelps/using-llvm-from-rust-to-generate-webassembly against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayphelps%2Fusing-llvm-from-rust-to-generate-webassembly" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly
[INFO] finished tweaking git repo https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly
[INFO] tweaked toml for git repo https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jayphelps/using-llvm-from-rust-to-generate-webassembly already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a05caddcae3e092a33255151c3c408aee3e492c369f3d65e6af198128a1256f
[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" "6a05caddcae3e092a33255151c3c408aee3e492c369f3d65e6af198128a1256f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a05caddcae3e092a33255151c3c408aee3e492c369f3d65e6af198128a1256f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a05caddcae3e092a33255151c3c408aee3e492c369f3d65e6af198128a1256f", kill_on_drop: false }`
[INFO] [stdout] 6a05caddcae3e092a33255151c3c408aee3e492c369f3d65e6af198128a1256f
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a31ed5b3c4626a2dc16b7518a24824f8c56173b508afe7a3c59d84ba22179c82
[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" "a31ed5b3c4626a2dc16b7518a24824f8c56173b508afe7a3c59d84ba22179c82", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling llvm-sys v60.0.2
[INFO] [stderr]     Checking repo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]  --> main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ffi::CString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]  --> main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ffi::CString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.66s
[INFO] running `Command { std: "docker" "inspect" "a31ed5b3c4626a2dc16b7518a24824f8c56173b508afe7a3c59d84ba22179c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a31ed5b3c4626a2dc16b7518a24824f8c56173b508afe7a3c59d84ba22179c82", kill_on_drop: false }`
[INFO] [stdout] a31ed5b3c4626a2dc16b7518a24824f8c56173b508afe7a3c59d84ba22179c82