[INFO] fetching crate zmq-rs 0.1.8...
[INFO] testing zmq-rs-0.1.8 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate zmq-rs 0.1.8 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate zmq-rs 0.1.8 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zmq-rs 0.1.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zmq-rs 0.1.8
[INFO] tweaked toml for crates.io crate zmq-rs 0.1.8 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b4e3e474ec67436e86642e81f7dab06eb0c7114a4e43d1d4f81501bab06acab
[INFO] running `Command { std: "docker" "start" "-a" "8b4e3e474ec67436e86642e81f7dab06eb0c7114a4e43d1d4f81501bab06acab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b4e3e474ec67436e86642e81f7dab06eb0c7114a4e43d1d4f81501bab06acab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b4e3e474ec67436e86642e81f7dab06eb0c7114a4e43d1d4f81501bab06acab", kill_on_drop: false }`
[INFO] [stdout] 8b4e3e474ec67436e86642e81f7dab06eb0c7114a4e43d1d4f81501bab06acab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 534db4bd3d9d9e685609210ab17102303cc022a50f7bda605b96e2fa97c33e35
[INFO] running `Command { std: "docker" "start" "-a" "534db4bd3d9d9e685609210ab17102303cc022a50f7bda605b96e2fa97c33e35", kill_on_drop: false }`
[INFO] [stderr]    Compiling zmq-ffi v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling zmq-rs v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/socket.rs:580:5
[INFO] [stdout]     |
[INFO] [stdout] 580 | /     /// Get last endpoint bound for TCP and IPC transports
[INFO] [stdout] 581 | |     /// if last endpoint has more than 2048 bytes, method call will be failed.
[INFO] [stdout]     | |_____-------------------------------------------------------------------------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:389:23
[INFO] [stdout]     |
[INFO] [stdout] 389 |         let mut msg = try!(Message::new());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:400:19
[INFO] [stdout]     |
[INFO] [stdout] 400 |         let msg = try!(Message::from_slice(data));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const EFSM: Errno = (ZMQ_HAUSNUMERO + 51);
[INFO] [stdout]    |                         ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 - pub const EFSM: Errno = (ZMQ_HAUSNUMERO + 51);
[INFO] [stdout] 43 + pub const EFSM: Errno = ZMQ_HAUSNUMERO + 51;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:44:35
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const ENOCOMPATPROTO: Errno = (ZMQ_HAUSNUMERO + 52);
[INFO] [stdout]    |                                   ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 - pub const ENOCOMPATPROTO: Errno = (ZMQ_HAUSNUMERO + 52);
[INFO] [stdout] 44 + pub const ENOCOMPATPROTO: Errno = ZMQ_HAUSNUMERO + 52;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub const ETERM: Errno = (ZMQ_HAUSNUMERO + 53);
[INFO] [stdout]    |                          ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 - pub const ETERM: Errno = (ZMQ_HAUSNUMERO + 53);
[INFO] [stdout] 45 + pub const ETERM: Errno = ZMQ_HAUSNUMERO + 53;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const EMTHREAD: Errno = (ZMQ_HAUSNUMERO + 54);
[INFO] [stdout]    |                             ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 - pub const EMTHREAD: Errno = (ZMQ_HAUSNUMERO + 54);
[INFO] [stdout] 46 + pub const EMTHREAD: Errno = ZMQ_HAUSNUMERO + 54;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:331:27
[INFO] [stdout]     |
[INFO] [stdout] 331 |             let mut msg = try!(Message::with_capcity(data.len()));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:484:28
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "534db4bd3d9d9e685609210ab17102303cc022a50f7bda605b96e2fa97c33e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534db4bd3d9d9e685609210ab17102303cc022a50f7bda605b96e2fa97c33e35", kill_on_drop: false }`
[INFO] [stdout] 534db4bd3d9d9e685609210ab17102303cc022a50f7bda605b96e2fa97c33e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d7ed9b006662c98565207222803dbf2384b25073bc00118b0bb18fda895f34e
[INFO] running `Command { std: "docker" "start" "-a" "4d7ed9b006662c98565207222803dbf2384b25073bc00118b0bb18fda895f34e", kill_on_drop: false }`
[INFO] [stderr]    Compiling zmq-rs v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/socket.rs:580:5
[INFO] [stdout]     |
[INFO] [stdout] 580 | /     /// Get last endpoint bound for TCP and IPC transports
[INFO] [stdout] 581 | |     /// if last endpoint has more than 2048 bytes, method call will be failed.
[INFO] [stdout]     | |_____-------------------------------------------------------------------------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:389:23
[INFO] [stdout]     |
[INFO] [stdout] 389 |         let mut msg = try!(Message::new());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:400:19
[INFO] [stdout]     |
[INFO] [stdout] 400 |         let msg = try!(Message::from_slice(data));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const EFSM: Errno = (ZMQ_HAUSNUMERO + 51);
[INFO] [stdout]    |                         ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 - pub const EFSM: Errno = (ZMQ_HAUSNUMERO + 51);
[INFO] [stdout] 43 + pub const EFSM: Errno = ZMQ_HAUSNUMERO + 51;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:44:35
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const ENOCOMPATPROTO: Errno = (ZMQ_HAUSNUMERO + 52);
[INFO] [stdout]    |                                   ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 - pub const ENOCOMPATPROTO: Errno = (ZMQ_HAUSNUMERO + 52);
[INFO] [stdout] 44 + pub const ENOCOMPATPROTO: Errno = ZMQ_HAUSNUMERO + 52;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub const ETERM: Errno = (ZMQ_HAUSNUMERO + 53);
[INFO] [stdout]    |                          ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 - pub const ETERM: Errno = (ZMQ_HAUSNUMERO + 53);
[INFO] [stdout] 45 + pub const ETERM: Errno = ZMQ_HAUSNUMERO + 53;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const EMTHREAD: Errno = (ZMQ_HAUSNUMERO + 54);
[INFO] [stdout]    |                             ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 - pub const EMTHREAD: Errno = (ZMQ_HAUSNUMERO + 54);
[INFO] [stdout] 46 + pub const EMTHREAD: Errno = ZMQ_HAUSNUMERO + 54;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:331:27
[INFO] [stdout]     |
[INFO] [stdout] 331 |             let mut msg = try!(Message::with_capcity(data.len()));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:484:28
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/zguide/hwserver.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut context = zmq::Context::new().unwrap();
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_some` that must be used
[INFO] [stdout]   --> tests/lib.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     empty.get_meta("Socket-Type").is_some();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you intended to assert that this has a value, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_some` that must be used
[INFO] [stdout]   --> tests/lib.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     empty.get_meta("Identity").is_some();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this has a value, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_some` that must be used
[INFO] [stdout]   --> tests/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     empty.get_meta("Resource").is_some();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to assert that this has a value, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/socket.rs:580:5
[INFO] [stdout]     |
[INFO] [stdout] 580 | /     /// Get last endpoint bound for TCP and IPC transports
[INFO] [stdout] 581 | |     /// if last endpoint has more than 2048 bytes, method call will be failed.
[INFO] [stdout]     | |_____-------------------------------------------------------------------------^
[INFO] [stdout]     |       |
[INFO] [stdout]     |       rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:389:23
[INFO] [stdout]     |
[INFO] [stdout] 389 |         let mut msg = try!(Message::new());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/socket.rs:400:19
[INFO] [stdout]     |
[INFO] [stdout] 400 |         let msg = try!(Message::from_slice(data));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:43:25
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const EFSM: Errno = (ZMQ_HAUSNUMERO + 51);
[INFO] [stdout]    |                         ^                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 - pub const EFSM: Errno = (ZMQ_HAUSNUMERO + 51);
[INFO] [stdout] 43 + pub const EFSM: Errno = ZMQ_HAUSNUMERO + 51;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:44:35
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const ENOCOMPATPROTO: Errno = (ZMQ_HAUSNUMERO + 52);
[INFO] [stdout]    |                                   ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 44 - pub const ENOCOMPATPROTO: Errno = (ZMQ_HAUSNUMERO + 52);
[INFO] [stdout] 44 + pub const ENOCOMPATPROTO: Errno = ZMQ_HAUSNUMERO + 52;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub const ETERM: Errno = (ZMQ_HAUSNUMERO + 53);
[INFO] [stdout]    |                          ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 45 - pub const ETERM: Errno = (ZMQ_HAUSNUMERO + 53);
[INFO] [stdout] 45 + pub const ETERM: Errno = ZMQ_HAUSNUMERO + 53;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/errno.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const EMTHREAD: Errno = (ZMQ_HAUSNUMERO + 54);
[INFO] [stdout]    |                             ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 46 - pub const EMTHREAD: Errno = (ZMQ_HAUSNUMERO + 54);
[INFO] [stdout] 46 + pub const EMTHREAD: Errno = ZMQ_HAUSNUMERO + 54;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:331:27
[INFO] [stdout]     |
[INFO] [stdout] 331 |             let mut msg = try!(Message::with_capcity(data.len()));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:484:28
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     panic!(e);
[INFO] [stdout]     |                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     panic!("{}", e);
[INFO] [stdout]     |                            +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 484 |                     std::panic::panic_any(e);
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "4d7ed9b006662c98565207222803dbf2384b25073bc00118b0bb18fda895f34e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7ed9b006662c98565207222803dbf2384b25073bc00118b0bb18fda895f34e", kill_on_drop: false }`
[INFO] [stdout] 4d7ed9b006662c98565207222803dbf2384b25073bc00118b0bb18fda895f34e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 438aba7c03aa9abaccc689f664939b2034627b57cf8dc890c9ffa855f4223918
[INFO] running `Command { std: "docker" "start" "-a" "438aba7c03aa9abaccc689f664939b2034627b57cf8dc890c9ffa855f4223918", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "438aba7c03aa9abaccc689f664939b2034627b57cf8dc890c9ffa855f4223918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438aba7c03aa9abaccc689f664939b2034627b57cf8dc890c9ffa855f4223918", kill_on_drop: false }`
[INFO] [stdout] 438aba7c03aa9abaccc689f664939b2034627b57cf8dc890c9ffa855f4223918