[INFO] cloning repository https://github.com/lesurp/kaleidoscope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lesurp/kaleidoscope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesurp%2Fkaleidoscope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesurp%2Fkaleidoscope'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9657c62c3190e3350016f1afcc7085f43d6cd90
[INFO] checking lesurp/kaleidoscope against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesurp%2Fkaleidoscope" "/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/lesurp/kaleidoscope on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lesurp/kaleidoscope
[INFO] finished tweaking git repo https://github.com/lesurp/kaleidoscope
[INFO] tweaked toml for git repo https://github.com/lesurp/kaleidoscope written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lesurp/kaleidoscope already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7455941a57964e5bad839c4bbdfa184edf875f91e3660d930a843a63561ddfd5
[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" "7455941a57964e5bad839c4bbdfa184edf875f91e3660d930a843a63561ddfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7455941a57964e5bad839c4bbdfa184edf875f91e3660d930a843a63561ddfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7455941a57964e5bad839c4bbdfa184edf875f91e3660d930a843a63561ddfd5", kill_on_drop: false }`
[INFO] [stdout] 7455941a57964e5bad839c4bbdfa184edf875f91e3660d930a843a63561ddfd5
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65af539014c7740527b76cdab52bfadb32b97cc1451e1d9a54da942fa47e0e4d
[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" "65af539014c7740527b76cdab52bfadb32b97cc1451e1d9a54da942fa47e0e4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling llvm-sys v100.0.1
[INFO] [stderr]     Checking kaleidoscope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/lexer.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn new(input: &'a mut R) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `execution`
[INFO] [stdout]  --> src/llvm_stuff.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     execution: llvm_sys::execution_engine::LLVMExecutionEngineRef,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_all_from_lexer`
[INFO] [stdout]   --> src/parser.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn try_all_from_lexer<'a, L: LexerTrait>(lexer: &mut L) -> Result<Vec<Self>, ParsingError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_all_from_str`
[INFO] [stdout]    --> src/parser.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn try_all_from_str(s: &str) -> Result<Vec<Self>, ParsingError> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `execution`
[INFO] [stdout]  --> src/llvm_stuff.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     execution: llvm_sys::execution_engine::LLVMExecutionEngineRef,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.04s
[INFO] running `Command { std: "docker" "inspect" "65af539014c7740527b76cdab52bfadb32b97cc1451e1d9a54da942fa47e0e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65af539014c7740527b76cdab52bfadb32b97cc1451e1d9a54da942fa47e0e4d", kill_on_drop: false }`
[INFO] [stdout] 65af539014c7740527b76cdab52bfadb32b97cc1451e1d9a54da942fa47e0e4d