[INFO] crate libconfig 0.1.3 is already in cache
[INFO] checking libconfig-0.1.3 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate libconfig 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libconfig 0.1.3 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libconfig 0.1.3
[INFO] finished tweaking crates.io crate libconfig 0.1.3
[INFO] tweaked toml for crates.io crate libconfig 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] fb3ad7bc906f613f082fd5069fe1adb9f840b2292b8bce9eecad6492cf56d024
[INFO] running `"docker" "start" "-a" "fb3ad7bc906f613f082fd5069fe1adb9f840b2292b8bce9eecad6492cf56d024"`
[INFO] [stderr]     Checking libconfig v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/error.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(write!(f, "{}", self.description()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/error.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(write!(f, "{}", self.description()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:54:35
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(write!(f, "{}", self.description()));
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `config`
[INFO] [stderr]  --> tests/from_file.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate config;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:54:35
[INFO] [stderr]    |
[INFO] [stderr] 54 |         try!(write!(f, "{}", self.description()));
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `libconfig`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "fb3ad7bc906f613f082fd5069fe1adb9f840b2292b8bce9eecad6492cf56d024"`
[INFO] running `"docker" "rm" "-f" "fb3ad7bc906f613f082fd5069fe1adb9f840b2292b8bce9eecad6492cf56d024"`
[INFO] [stdout] fb3ad7bc906f613f082fd5069fe1adb9f840b2292b8bce9eecad6492cf56d024
