[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] building soph-em/rust-memory-db against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoph-em%2Frust-memory-db" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/soph-em/rust-memory-db on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-7-tc1/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d9b9866a2e1de8ecf35996e0ac354c5e6d4a6fdd9f802752ed1cc1d6dff13bd
[INFO] running `Command { std: "docker" "start" "-a" "2d9b9866a2e1de8ecf35996e0ac354c5e6d4a6fdd9f802752ed1cc1d6dff13bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d9b9866a2e1de8ecf35996e0ac354c5e6d4a6fdd9f802752ed1cc1d6dff13bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9b9866a2e1de8ecf35996e0ac354c5e6d4a6fdd9f802752ed1cc1d6dff13bd", kill_on_drop: false }`
[INFO] [stdout] 2d9b9866a2e1de8ecf35996e0ac354c5e6d4a6fdd9f802752ed1cc1d6dff13bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 715dcbcf6570a770559bb2a58cc15a98cc2f93ee4a4177c4d7351c5dd40cbfb9
[INFO] running `Command { std: "docker" "start" "-a" "715dcbcf6570a770559bb2a58cc15a98cc2f93ee4a4177c4d7351c5dd40cbfb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.87
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "715dcbcf6570a770559bb2a58cc15a98cc2f93ee4a4177c4d7351c5dd40cbfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "715dcbcf6570a770559bb2a58cc15a98cc2f93ee4a4177c4d7351c5dd40cbfb9", kill_on_drop: false }`
[INFO] [stdout] 715dcbcf6570a770559bb2a58cc15a98cc2f93ee4a4177c4d7351c5dd40cbfb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee74cdc0d530f64aaa13e8a94ffc5ca8cc9e888f793f41a9e988d810a2bba31b
[INFO] running `Command { std: "docker" "start" "-a" "ee74cdc0d530f64aaa13e8a94ffc5ca8cc9e888f793f41a9e988d810a2bba31b", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "ee74cdc0d530f64aaa13e8a94ffc5ca8cc9e888f793f41a9e988d810a2bba31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee74cdc0d530f64aaa13e8a94ffc5ca8cc9e888f793f41a9e988d810a2bba31b", kill_on_drop: false }`
[INFO] [stdout] ee74cdc0d530f64aaa13e8a94ffc5ca8cc9e888f793f41a9e988d810a2bba31b