[INFO] crate twilio-async 0.2.0 is already in cache
[INFO] checking twilio-async-0.2.0 against try#662bf71cc5bbfe44a109ab5b7205e12ec319754c for pr-67531
[INFO] extracting crate twilio-async 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate twilio-async 0.2.0 on toolchain 662bf71cc5bbfe44a109ab5b7205e12ec319754c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate twilio-async 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twilio-async 0.2.0
[INFO] tweaked toml for crates.io crate twilio-async 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c9a3b5b40b5cacb16971514cbb17ed55a4b4678145c6f9110132855a70ab2124
[INFO] running `"docker" "start" "-a" "c9a3b5b40b5cacb16971514cbb17ed55a4b4678145c6f9110132855a70ab2124"`
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking openssl-sys v0.9.53
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking twiml v0.2.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking typed-headers v0.1.1
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking twilio-async v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Response`
[INFO] [stderr]  --> examples/default.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     twiml::{Dial, Response, Twiml},
[INFO] [stderr]   |                   ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/default.rs:11:29
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn main() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/default.rs:22:70
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn try_conference(core: &mut Core, twilio: Twilio) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/default.rs:37:63
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn try_msg(core: &mut Core, twilio: Twilio) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/default.rs:71:64
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn try_call(core: &mut Core, twilio: Twilio) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sid`
[INFO] [stderr]   --> examples/default.rs:52:23
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let MsgResp { sid, .. } = json;
[INFO] [stderr]    |                       ^^^ help: try ignoring the field: `sid: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_conference`
[INFO] [stderr]   --> examples/default.rs:22:4
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn try_conference(core: &mut Core, twilio: Twilio) -> Result<(), Box<Error>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_call`
[INFO] [stderr]   --> examples/default.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn try_call(core: &mut Core, twilio: Twilio) -> Result<(), Box<Error>> {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.65s
[INFO] running `"docker" "inspect" "c9a3b5b40b5cacb16971514cbb17ed55a4b4678145c6f9110132855a70ab2124"`
[INFO] running `"docker" "rm" "-f" "c9a3b5b40b5cacb16971514cbb17ed55a4b4678145c6f9110132855a70ab2124"`
[INFO] [stdout] c9a3b5b40b5cacb16971514cbb17ed55a4b4678145c6f9110132855a70ab2124