[INFO] fetching crate rust_smt 0.2.0...
[INFO] checking rust_smt-0.2.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate rust_smt 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rust_smt 0.2.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded z3-sys v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 570c5bbdaf4e40323c6c186dd928cef594969a161a5787091e0fd66541469b60
[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" "570c5bbdaf4e40323c6c186dd928cef594969a161a5787091e0fd66541469b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "570c5bbdaf4e40323c6c186dd928cef594969a161a5787091e0fd66541469b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570c5bbdaf4e40323c6c186dd928cef594969a161a5787091e0fd66541469b60", kill_on_drop: false }`
[INFO] [stdout] 570c5bbdaf4e40323c6c186dd928cef594969a161a5787091e0fd66541469b60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d82f9810b6beb0f5dd022c961d92c7c6ac9cb63fb3e340e0db5f62c3dad571
[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" "e7d82f9810b6beb0f5dd022c961d92c7c6ac9cb63fb3e340e0db5f62c3dad571", kill_on_drop: false }`
[INFO] [stderr]     Checking z3-sys v0.4.0
[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: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: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: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 2.93s
[INFO] running `Command { std: "docker" "inspect" "e7d82f9810b6beb0f5dd022c961d92c7c6ac9cb63fb3e340e0db5f62c3dad571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d82f9810b6beb0f5dd022c961d92c7c6ac9cb63fb3e340e0db5f62c3dad571", kill_on_drop: false }`
[INFO] [stdout] e7d82f9810b6beb0f5dd022c961d92c7c6ac9cb63fb3e340e0db5f62c3dad571