[INFO] fetching crate kasa_exporter 0.1.0...
[INFO] checking kasa_exporter-0.1.0 against beta for pr-78714
[INFO] extracting crate kasa_exporter 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kasa_exporter 0.1.0 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 kasa_exporter 0.1.0
[INFO] finished tweaking crates.io crate kasa_exporter 0.1.0
[INFO] tweaked toml for crates.io crate kasa_exporter 0.1.0 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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 30f950170b34af7ad2c8d5739f6fda0bcac17afebf8e1c93ff187a35eabc27e1
[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" "30f950170b34af7ad2c8d5739f6fda0bcac17afebf8e1c93ff187a35eabc27e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30f950170b34af7ad2c8d5739f6fda0bcac17afebf8e1c93ff187a35eabc27e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f950170b34af7ad2c8d5739f6fda0bcac17afebf8e1c93ff187a35eabc27e1", kill_on_drop: false }`
[INFO] [stdout] 30f950170b34af7ad2c8d5739f6fda0bcac17afebf8e1c93ff187a35eabc27e1
[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] [stdout] c946f5fb1a654e14897a3e906b28192207954d7f732f39073f471a71fac70fff
[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" "c946f5fb1a654e14897a3e906b28192207954d7f732f39073f471a71fac70fff", kill_on_drop: false }`
[INFO] [stderr]    Compiling prometheus v0.4.2
[INFO] [stderr]     Checking quick-error v0.2.2
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking kasa_exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/exporter/mod.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | ) -> Box<Future<Item = hyper::Response<hyper::Body>, Error = hyper::Error> + Send>
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = hyper::Response<hyper::Body>, Error = hyper::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::error_chain_processing`
[INFO] [stdout]  --> src/kasa/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use error_chain::error_chain_processing;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_error_chain_kind`
[INFO] [stdout]  --> src/kasa/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use error_chain::impl_error_chain_kind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_error_chain_processed`
[INFO] [stdout]  --> src/kasa/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use error_chain::impl_error_chain_processed;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_extract_backtrace`
[INFO] [stdout]  --> src/kasa/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use error_chain::impl_extract_backtrace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/exporter/mod.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | ) -> Box<Future<Item = hyper::Response<hyper::Body>, Error = hyper::Error> + Send>
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = hyper::Response<hyper::Body>, Error = hyper::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::error_chain_processing`
[INFO] [stdout]  --> src/kasa/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use error_chain::error_chain_processing;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_error_chain_kind`
[INFO] [stdout]  --> src/kasa/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use error_chain::impl_error_chain_kind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_error_chain_processed`
[INFO] [stdout]  --> src/kasa/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use error_chain::impl_error_chain_processed;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_extract_backtrace`
[INFO] [stdout]  --> src/kasa/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use error_chain::impl_extract_backtrace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kasa/mod.rs:119:59
[INFO] [stdout]     |
[INFO] [stdout] 119 | ...                   .unwrap_or_else(|e| e.description().to_string()),
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kasa/mod.rs:119:59
[INFO] [stdout]     |
[INFO] [stdout] 119 | ...                   .unwrap_or_else(|e| e.description().to_string()),
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/exporter/mod.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | ) -> Box<Future<Item = hyper::Response<hyper::Body>, Error = hyper::Error> + Send>
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = hyper::Response<hyper::Body>, Error = hyper::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::error_chain_processing`
[INFO] [stdout]  --> src/kasa/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use error_chain::error_chain_processing;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_error_chain_kind`
[INFO] [stdout]  --> src/kasa/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use error_chain::impl_error_chain_kind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_error_chain_processed`
[INFO] [stdout]  --> src/kasa/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use error_chain::impl_error_chain_processed;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_extract_backtrace`
[INFO] [stdout]  --> src/kasa/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use error_chain::impl_extract_backtrace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/exporter/mod.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | ) -> Box<Future<Item = hyper::Response<hyper::Body>, Error = hyper::Error> + Send>
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = hyper::Response<hyper::Body>, Error = hyper::Error> + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::error_chain_processing`
[INFO] [stdout]  --> src/kasa/error.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use error_chain::error_chain_processing;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_error_chain_kind`
[INFO] [stdout]  --> src/kasa/error.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use error_chain::impl_error_chain_kind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_error_chain_processed`
[INFO] [stdout]  --> src/kasa/error.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use error_chain::impl_error_chain_processed;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error_chain::impl_extract_backtrace`
[INFO] [stdout]  --> src/kasa/error.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use error_chain::impl_extract_backtrace;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kasa/mod.rs:119:59
[INFO] [stdout]     |
[INFO] [stdout] 119 | ...                   .unwrap_or_else(|e| e.description().to_string()),
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/kasa/mod.rs:119:59
[INFO] [stdout]     |
[INFO] [stdout] 119 | ...                   .unwrap_or_else(|e| e.description().to_string()),
[INFO] [stdout]     |                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "c946f5fb1a654e14897a3e906b28192207954d7f732f39073f471a71fac70fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c946f5fb1a654e14897a3e906b28192207954d7f732f39073f471a71fac70fff", kill_on_drop: false }`
[INFO] [stdout] c946f5fb1a654e14897a3e906b28192207954d7f732f39073f471a71fac70fff