[INFO] cloning repository https://github.com/rymnc/harperdb-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rymnc/harperdb-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frymnc%2Fharperdb-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frymnc%2Fharperdb-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14231257151fae2adea282c002e3b2eccc6a8c79
[INFO] checking rymnc/harperdb-test against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frymnc%2Fharperdb-test" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rymnc/harperdb-test on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rymnc/harperdb-test
[INFO] finished tweaking git repo https://github.com/rymnc/harperdb-test
[INFO] tweaked toml for git repo https://github.com/rymnc/harperdb-test written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rymnc/harperdb-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded harperdb v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c06058b4855a55eac88d45bf88631e1fbcf8856b480350bcddab012063972b7
[INFO] running `Command { std: "docker" "start" "-a" "7c06058b4855a55eac88d45bf88631e1fbcf8856b480350bcddab012063972b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c06058b4855a55eac88d45bf88631e1fbcf8856b480350bcddab012063972b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c06058b4855a55eac88d45bf88631e1fbcf8856b480350bcddab012063972b7", kill_on_drop: false }`
[INFO] [stdout] 7c06058b4855a55eac88d45bf88631e1fbcf8856b480350bcddab012063972b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d07fce9af1fc9ba6fd3b6b9ca9ba7cd542fd9209be0ad6fce434e6ec8f6c6d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4d07fce9af1fc9ba6fd3b6b9ca9ba7cd542fd9209be0ad6fce434e6ec8f6c6d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking openssl-sys v0.9.60
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking openssl v0.10.32
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking harperdb v1.0.0
[INFO] [stderr]     Checking harperdb-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let res = harper_client.update(update_option).await?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/main.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let res = harper_client.update(update_option).await?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "4d07fce9af1fc9ba6fd3b6b9ca9ba7cd542fd9209be0ad6fce434e6ec8f6c6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d07fce9af1fc9ba6fd3b6b9ca9ba7cd542fd9209be0ad6fce434e6ec8f6c6d2", kill_on_drop: false }`
[INFO] [stdout] 4d07fce9af1fc9ba6fd3b6b9ca9ba7cd542fd9209be0ad6fce434e6ec8f6c6d2