[INFO] crate mut_static 5.0.0 is already in cache
[INFO] checking mut_static-5.0.0 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate mut_static 5.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mut_static 5.0.0 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mut_static 5.0.0
[INFO] finished tweaking crates.io crate mut_static 5.0.0
[INFO] tweaked toml for crates.io crate mut_static 5.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "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-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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 98b89234900cbe4132a24eb6436d1098d5437f47902b53bad7a87615b72b3489
[INFO] running `"docker" "start" "-a" "98b89234900cbe4132a24eb6436d1098d5437f47902b53bad7a87615b72b3489"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking mut_static v5.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/mut_static.rs:34:56
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Err(err) => Err(ErrorKind::PoisonError(err.description().to_string(), format!("{}", err)).into()),
[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/mut_static.rs:46:56
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Err(err) => Err(ErrorKind::PoisonError(err.description().to_string(), format!("{}", err)).into()),
[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/mut_static.rs:54:67
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 Err(err) => return Err(ErrorKind::PoisonError(err.description().to_string(), format!("{}", err)).into()),
[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/mut_static.rs:74:56
[INFO] [stderr]    |
[INFO] [stderr] 74 |             Err(err) => Err(ErrorKind::PoisonError(err.description().to_string(), format!("{}", err)).into()),
[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/mut_static.rs:34:56
[INFO] [stderr]    |
[INFO] [stderr] 34 |             Err(err) => Err(ErrorKind::PoisonError(err.description().to_string(), format!("{}", err)).into()),
[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/mut_static.rs:46:56
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Err(err) => Err(ErrorKind::PoisonError(err.description().to_string(), format!("{}", err)).into()),
[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/mut_static.rs:54:67
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 Err(err) => return Err(ErrorKind::PoisonError(err.description().to_string(), format!("{}", err)).into()),
[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/mut_static.rs:74:56
[INFO] [stderr]    |
[INFO] [stderr] 74 |             Err(err) => Err(ErrorKind::PoisonError(err.description().to_string(), format!("{}", err)).into()),
[INFO] [stderr]    |                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/test/mod.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         mem::replace(test_obj.deref_mut(), TestStruct::new(2));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "98b89234900cbe4132a24eb6436d1098d5437f47902b53bad7a87615b72b3489"`
[INFO] running `"docker" "rm" "-f" "98b89234900cbe4132a24eb6436d1098d5437f47902b53bad7a87615b72b3489"`
[INFO] [stdout] 98b89234900cbe4132a24eb6436d1098d5437f47902b53bad7a87615b72b3489