[INFO] fetching crate lmstfy-client 0.1.4...
[INFO] checking lmstfy-client-0.1.4 against beta for pr-78714
[INFO] extracting crate lmstfy-client 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lmstfy-client 0.1.4 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 crates.io crate lmstfy-client 0.1.4
[INFO] finished tweaking crates.io crate lmstfy-client 0.1.4
[INFO] tweaked toml for crates.io crate lmstfy-client 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-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" "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] e074b4f8cc64031c650cd5f40294503334a5c5144b4a99fc0476b28afff74e08
[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" "e074b4f8cc64031c650cd5f40294503334a5c5144b4a99fc0476b28afff74e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e074b4f8cc64031c650cd5f40294503334a5c5144b4a99fc0476b28afff74e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e074b4f8cc64031c650cd5f40294503334a5c5144b4a99fc0476b28afff74e08", kill_on_drop: false }`
[INFO] [stdout] e074b4f8cc64031c650cd5f40294503334a5c5144b4a99fc0476b28afff74e08
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63f440b670b0eba7b1e8df3bbd4fd3b1c3423fd0c7f46cf8cdf78cc775f8b7fc
[INFO] running `Command { std: "docker" "start" "-a" "63f440b670b0eba7b1e8df3bbd4fd3b1c3423fd0c7f46cf8cdf78cc775f8b7fc", kill_on_drop: false }`
[INFO] [stderr]     Checking fsio v0.1.3
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking envmnt v0.8.4
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking lmstfy-client v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `retry`
[INFO] [stdout]  --> src/retrier.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn retry<I, O, T, E>(iterable: I, mut operation: O) -> Result<T, E>
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.28s
[INFO] running `Command { std: "docker" "inspect" "63f440b670b0eba7b1e8df3bbd4fd3b1c3423fd0c7f46cf8cdf78cc775f8b7fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f440b670b0eba7b1e8df3bbd4fd3b1c3423fd0c7f46cf8cdf78cc775f8b7fc", kill_on_drop: false }`
[INFO] [stdout] 63f440b670b0eba7b1e8df3bbd4fd3b1c3423fd0c7f46cf8cdf78cc775f8b7fc