[INFO] cloning repository https://github.com/tomhoule/temp-tokio-postgres-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomhoule/temp-tokio-postgres-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhoule%2Ftemp-tokio-postgres-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhoule%2Ftemp-tokio-postgres-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2528cf96c45f9794785daa66bfab97006e4d57f5
[INFO] checking tomhoule/temp-tokio-postgres-experiment against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhoule%2Ftemp-tokio-postgres-experiment" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomhoule/temp-tokio-postgres-experiment on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomhoule/temp-tokio-postgres-experiment
[INFO] finished tweaking git repo https://github.com/tomhoule/temp-tokio-postgres-experiment
[INFO] tweaked toml for git repo https://github.com/tomhoule/temp-tokio-postgres-experiment written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tomhoule/temp-tokio-postgres-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21994caeb35da03dc2da331592613e603a8ee968da475aba40590f0f5d86e735
[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" "21994caeb35da03dc2da331592613e603a8ee968da475aba40590f0f5d86e735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21994caeb35da03dc2da331592613e603a8ee968da475aba40590f0f5d86e735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21994caeb35da03dc2da331592613e603a8ee968da475aba40590f0f5d86e735", kill_on_drop: false }`
[INFO] [stdout] 21994caeb35da03dc2da331592613e603a8ee968da475aba40590f0f5d86e735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 938f98191493f80059f4f989388120c890789e30fff4e1f0906a5bcfaa514b31
[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" "938f98191493f80059f4f989388120c890789e30fff4e1f0906a5bcfaa514b31", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking siphasher v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking postgres-protocol v0.5.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking postgres-types v0.1.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio-util v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking tokio-postgres v0.5.3
[INFO] [stderr]     Checking tokio-postgres-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `uuid`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let uuid = uuid.to_string();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_uuid`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uuid`
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let uuid = uuid.to_string();
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_uuid`
[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 41.79s
[INFO] running `Command { std: "docker" "inspect" "938f98191493f80059f4f989388120c890789e30fff4e1f0906a5bcfaa514b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938f98191493f80059f4f989388120c890789e30fff4e1f0906a5bcfaa514b31", kill_on_drop: false }`
[INFO] [stdout] 938f98191493f80059f4f989388120c890789e30fff4e1f0906a5bcfaa514b31