[INFO] fetching crate rust_smt 0.2.0...
[INFO] checking rust_smt-0.2.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate rust_smt 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rust_smt 0.2.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c16cff76910f8a07174ff14121be58649321f48f23d98b4e5d5c085dff04bbb6
[INFO] running `Command { std: "docker" "start" "-a" "c16cff76910f8a07174ff14121be58649321f48f23d98b4e5d5c085dff04bbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c16cff76910f8a07174ff14121be58649321f48f23d98b4e5d5c085dff04bbb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16cff76910f8a07174ff14121be58649321f48f23d98b4e5d5c085dff04bbb6", kill_on_drop: false }`
[INFO] [stdout] c16cff76910f8a07174ff14121be58649321f48f23d98b4e5d5c085dff04bbb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d514f7b93d0a9ea8853957c5c10a4cbd57c794460e3db8569f84e05deb75eb8
[INFO] running `Command { std: "docker" "start" "-a" "8d514f7b93d0a9ea8853957c5c10a4cbd57c794460e3db8569f84e05deb75eb8", 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: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: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: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: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: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: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: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: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: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: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 0.92s
[INFO] running `Command { std: "docker" "inspect" "8d514f7b93d0a9ea8853957c5c10a4cbd57c794460e3db8569f84e05deb75eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d514f7b93d0a9ea8853957c5c10a4cbd57c794460e3db8569f84e05deb75eb8", kill_on_drop: false }`
[INFO] [stdout] 8d514f7b93d0a9ea8853957c5c10a4cbd57c794460e3db8569f84e05deb75eb8