[INFO] cloning repository https://github.com/JunSuzukiJapan/rust_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/JunSuzukiJapan/rust_llvm_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJunSuzukiJapan%2Frust_llvm_sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJunSuzukiJapan%2Frust_llvm_sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca9ca67cf19e2a41907f24dde5c4ac19ff7a237e
[INFO] checking JunSuzukiJapan/rust_llvm_sample against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJunSuzukiJapan%2Frust_llvm_sample" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JunSuzukiJapan/rust_llvm_sample on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JunSuzukiJapan/rust_llvm_sample
[INFO] finished tweaking git repo https://github.com/JunSuzukiJapan/rust_llvm_sample
[INFO] tweaked toml for git repo https://github.com/JunSuzukiJapan/rust_llvm_sample written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JunSuzukiJapan/rust_llvm_sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v0.2.7
[INFO] [stderr]   Downloaded regex-syntax v0.5.0
[INFO] [stderr]   Downloaded llvm-sys v60.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 4d725d39cf1b9e00f0c6b0eb64bb3e13f9efb52043ae88daca928baeb9884367
[INFO] running `Command { std: "docker" "start" "-a" "4d725d39cf1b9e00f0c6b0eb64bb3e13f9efb52043ae88daca928baeb9884367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d725d39cf1b9e00f0c6b0eb64bb3e13f9efb52043ae88daca928baeb9884367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d725d39cf1b9e00f0c6b0eb64bb3e13f9efb52043ae88daca928baeb9884367", kill_on_drop: false }`
[INFO] [stdout] 4d725d39cf1b9e00f0c6b0eb64bb3e13f9efb52043ae88daca928baeb9884367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 788f7a75caf40c1c5b2c443cb6aec85bd3e9b777a80a02582c76c8aec64512ad
[INFO] running `Command { std: "docker" "start" "-a" "788f7a75caf40c1c5b2c443cb6aec85bd3e9b777a80a02582c76c8aec64512ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling llvm_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.5.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.7
[INFO] [stderr]    Compiling llvm-sys v60.0.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.41s
[INFO] running `Command { std: "docker" "inspect" "788f7a75caf40c1c5b2c443cb6aec85bd3e9b777a80a02582c76c8aec64512ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788f7a75caf40c1c5b2c443cb6aec85bd3e9b777a80a02582c76c8aec64512ad", kill_on_drop: false }`
[INFO] [stdout] 788f7a75caf40c1c5b2c443cb6aec85bd3e9b777a80a02582c76c8aec64512ad