[INFO] fetching crate rust_smt 0.2.0...
[INFO] checking rust_smt-0.2.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate rust_smt 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rust_smt 0.2.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_smt 0.2.0
[INFO] finished tweaking crates.io crate rust_smt 0.2.0
[INFO] tweaked toml for crates.io crate rust_smt 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7dfdc60b6a91524d5e55340e592dea234e77b62dacbfdf2ddef42554afca7df
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b7dfdc60b6a91524d5e55340e592dea234e77b62dacbfdf2ddef42554afca7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7dfdc60b6a91524d5e55340e592dea234e77b62dacbfdf2ddef42554afca7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7dfdc60b6a91524d5e55340e592dea234e77b62dacbfdf2ddef42554afca7df", kill_on_drop: false }`
[INFO] [stdout] b7dfdc60b6a91524d5e55340e592dea234e77b62dacbfdf2ddef42554afca7df
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c42b148768d122b9b2ee4e4a71e0b2b4d16ecf129c5e0a0f84419810ca8f1551
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c42b148768d122b9b2ee4e4a71e0b2b4d16ecf129c5e0a0f84419810ca8f1551", kill_on_drop: false }`
[INFO] [stderr]     Checking z3-sys v0.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rust_smt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/z3.rs:82:60
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:144:64
[INFO] [stdout]     |
[INFO] [stdout] 144 |                         Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:195:60
[INFO] [stdout]     |
[INFO] [stdout] 195 |                     Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]     |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:297:56
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:374:63
[INFO] [stdout]     |
[INFO] [stdout] 374 |                         result = Err(SMTError::new_internal(e.description()));
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:383:63
[INFO] [stdout]     |
[INFO] [stdout] 383 |                         result = Err(SMTError::new_internal(e.description()));
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:392:63
[INFO] [stdout]     |
[INFO] [stdout] 392 |                         result = Err(SMTError::new_internal(e.description()));
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:406:67
[INFO] [stdout]     |
[INFO] [stdout] 406 | ...                   result = Err(SMTError::new_internal(e.description()));
[INFO] [stdout]     |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:498:56
[INFO] [stdout]     |
[INFO] [stdout] 498 |                 Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:523:56
[INFO] [stdout]     |
[INFO] [stdout] 523 |                 Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:628:64
[INFO] [stdout]     |
[INFO] [stdout] 628 |                         Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/z3.rs:82:60
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:144:64
[INFO] [stdout]     |
[INFO] [stdout] 144 |                         Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:195:60
[INFO] [stdout]     |
[INFO] [stdout] 195 |                     Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]     |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:297:56
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:374:63
[INFO] [stdout]     |
[INFO] [stdout] 374 |                         result = Err(SMTError::new_internal(e.description()));
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:383:63
[INFO] [stdout]     |
[INFO] [stdout] 383 |                         result = Err(SMTError::new_internal(e.description()));
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:392:63
[INFO] [stdout]     |
[INFO] [stdout] 392 |                         result = Err(SMTError::new_internal(e.description()));
[INFO] [stdout]     |                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:406:67
[INFO] [stdout]     |
[INFO] [stdout] 406 | ...                   result = Err(SMTError::new_internal(e.description()));
[INFO] [stdout]     |                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:498:56
[INFO] [stdout]     |
[INFO] [stdout] 498 |                 Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:523:56
[INFO] [stdout]     |
[INFO] [stdout] 523 |                 Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/z3.rs:628:64
[INFO] [stdout]     |
[INFO] [stdout] 628 |                         Err(e) => Err(SMTError::new_internal(e.description())),
[INFO] [stdout]     |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "c42b148768d122b9b2ee4e4a71e0b2b4d16ecf129c5e0a0f84419810ca8f1551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c42b148768d122b9b2ee4e4a71e0b2b4d16ecf129c5e0a0f84419810ca8f1551", kill_on_drop: false }`
[INFO] [stdout] c42b148768d122b9b2ee4e4a71e0b2b4d16ecf129c5e0a0f84419810ca8f1551