[INFO] cloning repository https://github.com/kunai-lang/kunai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kunai-lang/kunai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunai-lang%2Fkunai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunai-lang%2Fkunai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 223227e8991a452a036baad23d237ba2e8c01b26
[INFO] checking kunai-lang/kunai against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunai-lang%2Fkunai" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kunai-lang/kunai on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kunai-lang/kunai
[INFO] finished tweaking git repo https://github.com/kunai-lang/kunai
[INFO] tweaked toml for git repo https://github.com/kunai-lang/kunai written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/kunai-lang/kunai already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a2028126d337010a988c967c9b5178701ac30489cbe2eb46866934f0e1bdb02
[INFO] running `Command { std: "docker" "start" "-a" "6a2028126d337010a988c967c9b5178701ac30489cbe2eb46866934f0e1bdb02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a2028126d337010a988c967c9b5178701ac30489cbe2eb46866934f0e1bdb02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2028126d337010a988c967c9b5178701ac30489cbe2eb46866934f0e1bdb02", kill_on_drop: false }`
[INFO] [stdout] 6a2028126d337010a988c967c9b5178701ac30489cbe2eb46866934f0e1bdb02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc6be1f60b3a0947b582c166df9fe4b9bbbbc8721ecd2ce7ac7be66568e9fde5
[INFO] running `Command { std: "docker" "start" "-a" "cc6be1f60b3a0947b582c166df9fe4b9bbbbc8721ecd2ce7ac7be66568e9fde5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking kunai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let tokens = subcommands::build::tokenizer::tokenize(
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Keyword`
[INFO] [stdout]   --> src/subcommands/build/tokenizer.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 |   Keyword,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let tokens = subcommands::build::tokenizer::tokenize(
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Operator`
[INFO] [stdout]   --> src/subcommands/build/tokenizer.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |   Operator,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Keyword`
[INFO] [stdout]   --> src/subcommands/build/tokenizer.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 |   Keyword,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Operator`
[INFO] [stdout]   --> src/subcommands/build/tokenizer.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 |   Operator,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.06s
[INFO] running `Command { std: "docker" "inspect" "cc6be1f60b3a0947b582c166df9fe4b9bbbbc8721ecd2ce7ac7be66568e9fde5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc6be1f60b3a0947b582c166df9fe4b9bbbbc8721ecd2ce7ac7be66568e9fde5", kill_on_drop: false }`
[INFO] [stdout] cc6be1f60b3a0947b582c166df9fe4b9bbbbc8721ecd2ce7ac7be66568e9fde5