[INFO] crate rust_smt 0.2.0 is already in cache
[INFO] checking rust_smt-0.2.0 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate rust_smt 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate rust_smt 0.2.0 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 507230295fe159d38f1fa9072e6ebbd8862eb019e192def7ef5d468e4bf99ac3
[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" "507230295fe159d38f1fa9072e6ebbd8862eb019e192def7ef5d468e4bf99ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "507230295fe159d38f1fa9072e6ebbd8862eb019e192def7ef5d468e4bf99ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507230295fe159d38f1fa9072e6ebbd8862eb019e192def7ef5d468e4bf99ac3", kill_on_drop: false }`
[INFO] [stdout] 507230295fe159d38f1fa9072e6ebbd8862eb019e192def7ef5d468e4bf99ac3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64dd5ed8adc452c8ffb478686b4c5ff9c70b79f3e2a6c777011241722047dde0
[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" "64dd5ed8adc452c8ffb478686b4c5ff9c70b79f3e2a6c777011241722047dde0", 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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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 item '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: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "64dd5ed8adc452c8ffb478686b4c5ff9c70b79f3e2a6c777011241722047dde0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64dd5ed8adc452c8ffb478686b4c5ff9c70b79f3e2a6c777011241722047dde0", kill_on_drop: false }`
[INFO] [stdout] 64dd5ed8adc452c8ffb478686b4c5ff9c70b79f3e2a6c777011241722047dde0