[INFO] crate new-home-application 0.1.1 is already in cache
[INFO] checking new-home-application-0.1.1 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate new-home-application 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate new-home-application 0.1.1 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate new-home-application 0.1.1
[INFO] finished tweaking crates.io crate new-home-application 0.1.1
[INFO] tweaked toml for crates.io crate new-home-application 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate new-home-application 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] f52322ef1664879d2aba7f8e8af1b7ad2766b5b488cf3613c6712cc1747a1d0f
[INFO] running `"docker" "start" "-a" "f52322ef1664879d2aba7f8e8af1b7ad2766b5b488cf3613c6712cc1747a1d0f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking predicates v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling mockall_derive v0.6.0
[INFO] [stderr]     Checking mockall v0.6.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking new-home-application v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_info_command.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     mock! {
[INFO] [stderr] 16 | |         TestMethodManager {}
[INFO] [stderr] 17 | |
[INFO] [stderr] 18 | |         trait MethodManager {
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |         }
[INFO] [stderr] 28 | |     }
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_info_command.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     mock! {
[INFO] [stderr] 16 | |         TestMethodManager {}
[INFO] [stderr] 17 | |
[INFO] [stderr] 18 | |         trait MethodManager {
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |         }
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_help_command.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     mock! {
[INFO] [stderr] 17 | |         TestMethodManager {}
[INFO] [stderr] 18 | |
[INFO] [stderr] 19 | |         trait MethodManager {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |         }
[INFO] [stderr] 29 | |     }
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_help_command.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     mock! {
[INFO] [stderr] 17 | |         TestMethodManager {}
[INFO] [stderr] 18 | |
[INFO] [stderr] 19 | |         trait MethodManager {
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |         }
[INFO] [stderr] 29 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_communication_manager.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     mock! {
[INFO] [stderr] 18 | |         TestTcpServer {}
[INFO] [stderr] 19 | |
[INFO] [stderr] 20 | |         trait TcpServer {
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |         }
[INFO] [stderr] 25 | |     }
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_communication_manager.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | /     mock! {
[INFO] [stderr] 18 | |         TestTcpServer {}
[INFO] [stderr] 19 | |
[INFO] [stderr] 20 | |         trait TcpServer {
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |         }
[INFO] [stderr] 25 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_communication_manager.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     mock! {
[INFO] [stderr] 28 | |         TestReader {}
[INFO] [stderr] 29 | |
[INFO] [stderr] 30 | |         trait TcpReader {
[INFO] [stderr] 31 | |             fn read_line(&mut self) -> Result<String, Error>;
[INFO] [stderr] 32 | |         }
[INFO] [stderr] 33 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_communication_manager.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     mock! {
[INFO] [stderr] 36 | |         TestWriter {}
[INFO] [stderr] 37 | |
[INFO] [stderr] 38 | |         trait TcpWriter {
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |         }
[INFO] [stderr] 45 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_client_handler.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | /     mock! {
[INFO] [stderr] 21 | |         TestReader {}
[INFO] [stderr] 22 | |
[INFO] [stderr] 23 | |         trait TcpReader {
[INFO] [stderr] 24 | |             fn read_line(&mut self) -> Result<String, Error>;
[INFO] [stderr] 25 | |         }
[INFO] [stderr] 26 | |     }
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_client_handler.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | /     mock! {
[INFO] [stderr] 21 | |         TestReader {}
[INFO] [stderr] 22 | |
[INFO] [stderr] 23 | |         trait TcpReader {
[INFO] [stderr] 24 | |             fn read_line(&mut self) -> Result<String, Error>;
[INFO] [stderr] 25 | |         }
[INFO] [stderr] 26 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_client_handler.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | /     mock! {
[INFO] [stderr] 29 | |         TestWriter {}
[INFO] [stderr] 30 | |
[INFO] [stderr] 31 | |         trait TcpWriter {
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | |         }
[INFO] [stderr] 38 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_client_handler.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | /     mock! {
[INFO] [stderr] 41 | |         TestMethodManager {}
[INFO] [stderr] 42 | |
[INFO] [stderr] 43 | |         trait MethodManager {
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |         }
[INFO] [stderr] 53 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_application_framework.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     mock! {
[INFO] [stderr] 15 | |         TestFramework {}
[INFO] [stderr] 16 | |
[INFO] [stderr] 17 | |         trait ApplicationFramework {
[INFO] [stderr] ...  |
[INFO] [stderr] 25 | |         }
[INFO] [stderr] 26 | |     }
[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]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_application_framework.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | /     mock! {
[INFO] [stderr] 15 | |         TestFramework {}
[INFO] [stderr] 16 | |
[INFO] [stderr] 17 | |         trait ApplicationFramework {
[INFO] [stderr] ...  |
[INFO] [stderr] 25 | |         }
[INFO] [stderr] 26 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> tests/test_application_framework.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | /     mock! {
[INFO] [stderr] 29 | |         TestCommunicationManager {}
[INFO] [stderr] 30 | |
[INFO] [stderr] 31 | |         trait CommunicationManager {
[INFO] [stderr] ...  |
[INFO] [stderr] 35 | |         }
[INFO] [stderr] 36 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.55s
[INFO] running `"docker" "inspect" "f52322ef1664879d2aba7f8e8af1b7ad2766b5b488cf3613c6712cc1747a1d0f"`
[INFO] running `"docker" "rm" "-f" "f52322ef1664879d2aba7f8e8af1b7ad2766b5b488cf3613c6712cc1747a1d0f"`
[INFO] [stdout] f52322ef1664879d2aba7f8e8af1b7ad2766b5b488cf3613c6712cc1747a1d0f