[INFO] crate log4rs 0.10.0 is already in cache
[INFO] checking log4rs-0.10.0 against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] extracting crate log4rs 0.10.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate log4rs 0.10.0 on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate log4rs 0.10.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate log4rs 0.10.0
[INFO] tweaked toml for crates.io crate log4rs 0.10.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate log4rs 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab3840381ecc9068965bfb0bf5b703e8c3080647ba4ff4624ef0f3bbfd47ab1c
[INFO] running `"docker" "start" "-a" "ab3840381ecc9068965bfb0bf5b703e8c3080647ba4ff4624ef0f3bbfd47ab1c"`
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking log4rs v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/priv_file.rs:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |             Error::Log(ref e) => error::Error::description(e),
[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/priv_file.rs:96:37
[INFO] [stderr]    |
[INFO] [stderr] 96 |             Error::Log4rs(ref e) => error::Error::description(&**e),
[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/priv_file.rs:95:34
[INFO] [stderr]    |
[INFO] [stderr] 95 |             Error::Log(ref e) => error::Error::description(e),
[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/priv_file.rs:96:37
[INFO] [stderr]    |
[INFO] [stderr] 96 |             Error::Log4rs(ref e) => error::Error::description(&**e),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `typemap::internals::CloneAny` cannot be made into an object
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `typemap::internals::CloneAny` cannot be made into an object
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `typemap::internals::CloneAny` cannot be made into an object
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `typemap::internals::CloneAny` cannot be made into an object
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(where_clauses_object_safety)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `typemap::internals::CloneAny` cannot be made into an object
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr] 
[INFO] [stderr] warning: the trait `typemap::internals::CloneAny` cannot be made into an object
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #51443 <https://github.com/rust-lang/rust/issues/51443>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.96s
[INFO] running `"docker" "inspect" "ab3840381ecc9068965bfb0bf5b703e8c3080647ba4ff4624ef0f3bbfd47ab1c"`
[INFO] running `"docker" "rm" "-f" "ab3840381ecc9068965bfb0bf5b703e8c3080647ba4ff4624ef0f3bbfd47ab1c"`
[INFO] [stdout] ab3840381ecc9068965bfb0bf5b703e8c3080647ba4ff4624ef0f3bbfd47ab1c