[INFO] fetching crate network-communicator 0.1.1...
[INFO] checking network-communicator-0.1.1 against beta for pr-78714
[INFO] extracting crate network-communicator 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate network-communicator 0.1.1 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 network-communicator 0.1.1
[INFO] finished tweaking crates.io crate network-communicator 0.1.1
[INFO] tweaked toml for crates.io crate network-communicator 0.1.1 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7d76a11d2b26647868a704e9c7652e0f41283ed1d09cb399d0e263d04a3635e8
[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" "7d76a11d2b26647868a704e9c7652e0f41283ed1d09cb399d0e263d04a3635e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d76a11d2b26647868a704e9c7652e0f41283ed1d09cb399d0e263d04a3635e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d76a11d2b26647868a704e9c7652e0f41283ed1d09cb399d0e263d04a3635e8", kill_on_drop: false }`
[INFO] [stdout] 7d76a11d2b26647868a704e9c7652e0f41283ed1d09cb399d0e263d04a3635e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 038a71df3f85d0890c8063ea3b1f16189e1a6440e40c2076e65ed18c18bbd8e9
[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" "038a71df3f85d0890c8063ea3b1f16189e1a6440e40c2076e65ed18c18bbd8e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-curl v0.1.11
[INFO] [stderr]     Checking network-communicator v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/task.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |         configurator: Box<Fn(&mut T,&mut Easy) -> Result<(),Error<E>> + Send + 'static>,
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut T,&mut Easy) -> Result<(),Error<E>> + Send + 'static`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task.rs:25:57
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn disassemble_task<T,E>(task: Task<T,E>) -> (T,Box<Fn(&mut T,&mut Easy) -> Result<(),Error<E>> + Send + 'static>) {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut T,&mut Easy) -> Result<(),Error<E>> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn cause(&self) -> Option<&TraitError> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn TraitError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/task.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |         configurator: Box<Fn(&mut T,&mut Easy) -> Result<(),Error<E>> + Send + 'static>,
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut T,&mut Easy) -> Result<(),Error<E>> + Send + 'static`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task.rs:25:57
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn disassemble_task<T,E>(task: Task<T,E>) -> (T,Box<Fn(&mut T,&mut Easy) -> Result<(),Error<E>> + Send + 'static>) {
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut T,&mut Easy) -> Result<(),Error<E>> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn cause(&self) -> Option<&TraitError> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn TraitError`
[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/request.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |                         description: String::from(error.description()),
[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/request.rs:37:42
[INFO] [stdout]    |
[INFO] [stdout] 37 |                         description: String::from(error.description()),
[INFO] [stdout]    |                                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.04s
[INFO] running `Command { std: "docker" "inspect" "038a71df3f85d0890c8063ea3b1f16189e1a6440e40c2076e65ed18c18bbd8e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038a71df3f85d0890c8063ea3b1f16189e1a6440e40c2076e65ed18c18bbd8e9", kill_on_drop: false }`
[INFO] [stdout] 038a71df3f85d0890c8063ea3b1f16189e1a6440e40c2076e65ed18c18bbd8e9