[INFO] cloning repository https://github.com/soph-em/rust-memory-db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soph-em/rust-memory-db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoph-em%2Frust-memory-db", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoph-em%2Frust-memory-db'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69af2964d6d404403151ccb7fc8bc0b7bf90c62b
[INFO] checking soph-em/rust-memory-db against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoph-em%2Frust-memory-db" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soph-em/rust-memory-db on toolchain 8cf44c88fc5805dc578c5c987397615b47d2e2b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/soph-em/rust-memory-db
[INFO] finished tweaking git repo https://github.com/soph-em/rust-memory-db
[INFO] tweaked toml for git repo https://github.com/soph-em/rust-memory-db written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/soph-em/rust-memory-db 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" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba9619d6d166399b93e49f6d1b1a3302963c7a66d7080216886c3b8793c8fdc1
[INFO] running `Command { std: "docker" "start" "-a" "ba9619d6d166399b93e49f6d1b1a3302963c7a66d7080216886c3b8793c8fdc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba9619d6d166399b93e49f6d1b1a3302963c7a66d7080216886c3b8793c8fdc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9619d6d166399b93e49f6d1b1a3302963c7a66d7080216886c3b8793c8fdc1", kill_on_drop: false }`
[INFO] [stdout] ba9619d6d166399b93e49f6d1b1a3302963c7a66d7080216886c3b8793c8fdc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 678d9c6563a33b2fe28a87f1dd4759e7a152e30c34c2e86279372a47a4c91b44
[INFO] running `Command { std: "docker" "start" "-a" "678d9c6563a33b2fe28a87f1dd4759e7a152e30c34c2e86279372a47a4c91b44", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.87
[INFO] [stderr]     Checking memory-db v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Int` is never constructed
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | enum Value {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 75 |     String(String),
[INFO] [stdout] 76 |     Int(i32),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Int` is never constructed
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | enum Value {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] 75 |     String(String),
[INFO] [stdout] 76 |     Int(i32),
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "678d9c6563a33b2fe28a87f1dd4759e7a152e30c34c2e86279372a47a4c91b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678d9c6563a33b2fe28a87f1dd4759e7a152e30c34c2e86279372a47a4c91b44", kill_on_drop: false }`
[INFO] [stdout] 678d9c6563a33b2fe28a87f1dd4759e7a152e30c34c2e86279372a47a4c91b44