[INFO] cloning repository https://github.com/Louis-Saglio/RustDB
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Louis-Saglio/RustDB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLouis-Saglio%2FRustDB", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLouis-Saglio%2FRustDB'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92f0795e65253e93e7135b36aaa592deea3603ec
[INFO] checking Louis-Saglio/RustDB against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLouis-Saglio%2FRustDB" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Louis-Saglio/RustDB
[INFO] finished tweaking git repo https://github.com/Louis-Saglio/RustDB
[INFO] tweaked toml for git repo https://github.com/Louis-Saglio/RustDB written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Louis-Saglio/RustDB on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Louis-Saglio/RustDB already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74298db4b319713335fbd40d5beb0ea7cae77dd28564cc981dd8470d0b1df682
[INFO] running `Command { std: "docker" "start" "-a" "74298db4b319713335fbd40d5beb0ea7cae77dd28564cc981dd8470d0b1df682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74298db4b319713335fbd40d5beb0ea7cae77dd28564cc981dd8470d0b1df682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74298db4b319713335fbd40d5beb0ea7cae77dd28564cc981dd8470d0b1df682", kill_on_drop: false }`
[INFO] [stdout] 74298db4b319713335fbd40d5beb0ea7cae77dd28564cc981dd8470d0b1df682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 257758ec97bbe89095ab802fc1d834abb324e0c37162a0e3f0b37f0eae6f09d4
[INFO] running `Command { std: "docker" "start" "-a" "257758ec97bbe89095ab802fc1d834abb324e0c37162a0e3f0b37f0eae6f09d4", kill_on_drop: false }`
[INFO] [stderr]     Checking RustDB v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/demo.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct User {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Address` is never constructed
[INFO] [stdout]   --> src/demo.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Address {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserTable` is never constructed
[INFO] [stdout]   --> src/demo.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct UserTable;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AddressTable` is never constructed
[INFO] [stdout]   --> src/demo.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct AddressTable;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "257758ec97bbe89095ab802fc1d834abb324e0c37162a0e3f0b37f0eae6f09d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257758ec97bbe89095ab802fc1d834abb324e0c37162a0e3f0b37f0eae6f09d4", kill_on_drop: false }`
[INFO] [stdout] 257758ec97bbe89095ab802fc1d834abb324e0c37162a0e3f0b37f0eae6f09d4