[INFO] crate libucl 0.2.3 is already in cache
[INFO] checking libucl-0.2.3 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate libucl 0.2.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libucl 0.2.3 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libucl 0.2.3
[INFO] finished tweaking crates.io crate libucl 0.2.3
[INFO] tweaked toml for crates.io crate libucl 0.2.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate libucl 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4212c48f00ca2a17ebd862eee0efe0680bc1bec229f44b4ab5c7b4cf1fd4b62f
[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" "4212c48f00ca2a17ebd862eee0efe0680bc1bec229f44b4ab5c7b4cf1fd4b62f"`
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling libucl-bind v0.2.2
[INFO] [stderr]     Checking libucl v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/bin/ucltool.rs:89:75
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 Err(why) => panic!("couldn't create {}: {}", display, why.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/bin/ucltool.rs:93:77
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/bin/ucltool.rs:89:75
[INFO] [stderr]    |
[INFO] [stderr] 89 |                 Err(why) => panic!("couldn't create {}: {}", display, why.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/bin/ucltool.rs:93:77
[INFO] [stderr]    |
[INFO] [stderr] 93 |                 Err(why) => panic!("couldn't write to {}: {}", display, why.description()),
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `"docker" "inspect" "4212c48f00ca2a17ebd862eee0efe0680bc1bec229f44b4ab5c7b4cf1fd4b62f"`
[INFO] running `"docker" "rm" "-f" "4212c48f00ca2a17ebd862eee0efe0680bc1bec229f44b4ab5c7b4cf1fd4b62f"`
[INFO] [stdout] 4212c48f00ca2a17ebd862eee0efe0680bc1bec229f44b4ab5c7b4cf1fd4b62f