[INFO] fetching crate slack-hook-clux 0.7.1...
[INFO] checking slack-hook-clux-0.7.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate slack-hook-clux 0.7.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate slack-hook-clux 0.7.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slack-hook-clux 0.7.1
[INFO] finished tweaking crates.io crate slack-hook-clux 0.7.1
[INFO] tweaked toml for crates.io crate slack-hook-clux 0.7.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0d33d50845f3dec43e5978c11985c6809c8091d69ce6c75200f95b7d3107f3e0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0d33d50845f3dec43e5978c11985c6809c8091d69ce6c75200f95b7d3107f3e0"`
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking slack-hook-clux v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     foreign_links {
[INFO] [stderr] 3  | |         Utf8(::std::str::Utf8Error) #[doc = "utf8 error, slack responses should be valid utf8"];
[INFO] [stderr] 4  | |         Serialize(::serde_json::error::Error) #[doc = "`serde_json::error::Error`"];
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     foreign_links {
[INFO] [stderr] 3  | |         Utf8(::std::str::Utf8Error) #[doc = "utf8 error, slack responses should be valid utf8"];
[INFO] [stderr] 4  | |         Serialize(::serde_json::error::Error) #[doc = "`serde_json::error::Error`"];
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     foreign_links {
[INFO] [stderr] 3  | |         Utf8(::std::str::Utf8Error) #[doc = "utf8 error, slack responses should be valid utf8"];
[INFO] [stderr] 4  | |         Serialize(::serde_json::error::Error) #[doc = "`serde_json::error::Error`"];
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:3:24
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     foreign_links {
[INFO] [stderr] 3  | |         Utf8(::std::str::Utf8Error) #[doc = "utf8 error, slack responses should be valid utf8"];
[INFO] [stderr] 4  | |         Serialize(::serde_json::error::Error) #[doc = "`serde_json::error::Error`"];
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `slack-hook-clux`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0d33d50845f3dec43e5978c11985c6809c8091d69ce6c75200f95b7d3107f3e0"`
[INFO] running `"docker" "rm" "-f" "0d33d50845f3dec43e5978c11985c6809c8091d69ce6c75200f95b7d3107f3e0"`
[INFO] [stdout] 0d33d50845f3dec43e5978c11985c6809c8091d69ce6c75200f95b7d3107f3e0