[INFO] updating cached repository https://github.com/lesurp/kaleidoscope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9657c62c3190e3350016f1afcc7085f43d6cd90
[INFO] checking lesurp/kaleidoscope against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flesurp%2Fkaleidoscope" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lesurp/kaleidoscope on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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-8/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" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2f95810aecea9ef6755e8fc808891cc51bc8c2341828fc7b0ebcbe7b2e77b42
[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" "b2f95810aecea9ef6755e8fc808891cc51bc8c2341828fc7b0ebcbe7b2e77b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2f95810aecea9ef6755e8fc808891cc51bc8c2341828fc7b0ebcbe7b2e77b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f95810aecea9ef6755e8fc808891cc51bc8c2341828fc7b0ebcbe7b2e77b42", kill_on_drop: false }`
[INFO] [stdout] b2f95810aecea9ef6755e8fc808891cc51bc8c2341828fc7b0ebcbe7b2e77b42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 623acf72f50fb42a0d6569aa9a29e61e09298db2f7011de9d91c0ab75c32104c
[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" "623acf72f50fb42a0d6569aa9a29e61e09298db2f7011de9d91c0ab75c32104c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.7
[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 26.20s
[INFO] running `Command { std: "docker" "inspect" "623acf72f50fb42a0d6569aa9a29e61e09298db2f7011de9d91c0ab75c32104c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623acf72f50fb42a0d6569aa9a29e61e09298db2f7011de9d91c0ab75c32104c", kill_on_drop: false }`
[INFO] [stdout] 623acf72f50fb42a0d6569aa9a29e61e09298db2f7011de9d91c0ab75c32104c