[INFO] cloning repository https://github.com/WimJongeneel/rust-rdms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WimJongeneel/rust-rdms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWimJongeneel%2Frust-rdms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWimJongeneel%2Frust-rdms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d8fbeca78d9c6fe1d521950b79e233390e56ce6
[INFO] checking WimJongeneel/rust-rdms against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWimJongeneel%2Frust-rdms" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/WimJongeneel/rust-rdms on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/WimJongeneel/rust-rdms
[INFO] finished tweaking git repo https://github.com/WimJongeneel/rust-rdms
[INFO] tweaked toml for git repo https://github.com/WimJongeneel/rust-rdms written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/WimJongeneel/rust-rdms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c4a76c18425a97a7eda1946ba19418bcd1500e228fe252f3906ddc1da7c0918
[INFO] running `Command { std: "docker" "start" "-a" "8c4a76c18425a97a7eda1946ba19418bcd1500e228fe252f3906ddc1da7c0918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c4a76c18425a97a7eda1946ba19418bcd1500e228fe252f3906ddc1da7c0918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4a76c18425a97a7eda1946ba19418bcd1500e228fe252f3906ddc1da7c0918", kill_on_drop: false }`
[INFO] [stdout] 8c4a76c18425a97a7eda1946ba19418bcd1500e228fe252f3906ddc1da7c0918
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59f4418afb1f7a4f5f9c8c696979fb43aa2f458c39b0d3624c7a3f8b40505826
[INFO] running `Command { std: "docker" "start" "-a" "59f4418afb1f7a4f5f9c8c696979fb43aa2f458c39b0d3624c7a3f8b40505826", kill_on_drop: false }`
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking rdbms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::language::ast::AST::Insert`
[INFO] [stdout]  --> src/language/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::language::ast::AST::Insert;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::language::ast::AST::Insert`
[INFO] [stdout]  --> src/language/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::language::ast::AST::Insert;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/language/lexer.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     String(String)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/language/lexer.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     String(String)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "59f4418afb1f7a4f5f9c8c696979fb43aa2f458c39b0d3624c7a3f8b40505826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59f4418afb1f7a4f5f9c8c696979fb43aa2f458c39b0d3624c7a3f8b40505826", kill_on_drop: false }`
[INFO] [stdout] 59f4418afb1f7a4f5f9c8c696979fb43aa2f458c39b0d3624c7a3f8b40505826