[INFO] cloning repository https://github.com/apoloval/avionica-zerofs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apoloval/avionica-zerofs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Favionica-zerofs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Favionica-zerofs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3943885cb29d043b1c5f4c00c6b3b233dc594d7
[INFO] testing apoloval/avionica-zerofs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Favionica-zerofs" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/apoloval/avionica-zerofs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/apoloval/avionica-zerofs
[INFO] finished tweaking git repo https://github.com/apoloval/avionica-zerofs
[INFO] tweaked toml for git repo https://github.com/apoloval/avionica-zerofs written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/apoloval/avionica-zerofs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metadeps v1.1.1
[INFO] [stderr]   Downloaded log v0.3.7
[INFO] [stderr]   Downloaded log4rs v0.3.3
[INFO] [stderr]   Downloaded error-chain v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 655e1e7ed02207f8f4ccb2c4e9724a45e028fae3de8b4b933282ed28a3f09e21
[INFO] running `Command { std: "docker" "start" "-a" "655e1e7ed02207f8f4ccb2c4e9724a45e028fae3de8b4b933282ed28a3f09e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "655e1e7ed02207f8f4ccb2c4e9724a45e028fae3de8b4b933282ed28a3f09e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655e1e7ed02207f8f4ccb2c4e9724a45e028fae3de8b4b933282ed28a3f09e21", kill_on_drop: false }`
[INFO] [stdout] 655e1e7ed02207f8f4ccb2c4e9724a45e028fae3de8b4b933282ed28a3f09e21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aa1588510596bdd2f2d084a9bbf4ee7e6caed6479a5c1797861fae96f6409e9
[INFO] running `Command { std: "docker" "start" "-a" "0aa1588510596bdd2f2d084a9bbf4ee7e6caed6479a5c1797861fae96f6409e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling serde v1.0.8
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling zerofs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling log4rs v0.3.3
[INFO] [stderr]    Compiling toml v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let mut file = try!(fs::File::open(&path));
[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/config.rs:105:50
[INFO] [stdout]     |
[INFO] [stdout] 105 |         toml::from_str(toml).map_err(|e| Error(e.description().to_string()))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/zmq/mod.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut buffer: &mut [u8] = data.as_mut();
[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: constant is never used: `CONFIG_FILE`
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const CONFIG_FILE: &'static str = "Modules/zerofs.conf";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_settings`
[INFO] [stdout]   --> src/lib.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn load_settings() -> config::Settings {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_logging`
[INFO] [stdout]   --> src/lib.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn init_logging(settings: config::LoggingSettings) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ShutdownHandle`
[INFO] [stdout]   --> src/domain/mod.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct ShutdownHandle {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shutdown`
[INFO] [stdout]   --> src/domain/mod.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn shutdown(self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/config.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub type Result<T> = result::Result<T, Error>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_toml_file`
[INFO] [stdout]   --> src/config.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn from_toml_file<P: AsRef<Path>>(path: P) -> io::Result<Settings> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_toml`
[INFO] [stdout]    --> src/config.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn from_toml(toml: &str) -> Result<Settings> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BadOp`
[INFO] [stdout]   --> src/zmq/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     BadOp(c_int),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Error` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/zmq/mod.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Clone, Debug, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Result`
[INFO] [stdout]   --> src/zmq/mod.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub type Result<T> = result::Result<T, Error>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/zmq/mod.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn new() -> Result<Context> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `socket`
[INFO] [stdout]   --> src/zmq/mod.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn socket(&self, socket_type: SocketType) -> Result<Socket> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PUB`
[INFO] [stdout]   --> src/zmq/mod.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     PUB = 1,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SocketType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/zmq/mod.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[derive(Clone, Debug, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SUB`
[INFO] [stdout]   --> src/zmq/mod.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     SUB = 2,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SocketType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/zmq/mod.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 | #[derive(Clone, Debug, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bind`
[INFO] [stdout]   --> src/zmq/mod.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn bind<T: AsRef<str>>(&mut self, endpoint: T) -> Result<()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `connect`
[INFO] [stdout]   --> src/zmq/mod.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn connect<T: AsRef<str>>(&mut self, endpoint: T) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/zmq/mod.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn send<T: AsRef<[u8]>>(&mut self, data: T) -> Result<usize> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_part`
[INFO] [stdout]   --> src/zmq/mod.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn send_part<T: AsRef<[u8]>>(&mut self, data: T) -> Result<usize> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv`
[INFO] [stdout]   --> src/zmq/mod.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn recv<T: AsMut<[u8]>>(&mut self, mut data: T) -> Result<usize> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `recv_string`
[INFO] [stdout]    --> src/zmq/mod.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub fn recv_string(&mut self) -> Result<Option<String>> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `subscribe`
[INFO] [stdout]    --> src/zmq/mod.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn subscribe<T: AsRef<str>>(&mut self, topic: T) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `subscribe_all`
[INFO] [stdout]    --> src/zmq/mod.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn subscribe_all(&mut self) -> Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_with_opts`
[INFO] [stdout]    --> src/zmq/mod.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn send_with_opts<T: AsRef<[u8]>>(&mut self, data: T, send_more: bool) -> Result<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Module`
[INFO] [stdout]   --> src/zerofs.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Module {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/zerofs.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new() -> Module {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/zerofs.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn start(&mut self) {}
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stop`
[INFO] [stdout]   --> src/zerofs.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn stop(&mut self) {}
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MODULE`
[INFO] [stdout]   --> src/zerofs.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | static mut MODULE: *mut Module = 0 as *mut Module;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `start_module`
[INFO] [stdout]   --> src/zerofs.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn start_module() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stop_module`
[INFO] [stdout]   --> src/zerofs.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn stop_module() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ZMQ_DONTWAIT`
[INFO] [stdout]   --> src/zmq/ffi.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const ZMQ_DONTWAIT: c_int = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ZMQ_SNDMORE`
[INFO] [stdout]   --> src/zmq/ffi.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const ZMQ_SNDMORE: c_int = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ZMQ_SUBSCRIBE`
[INFO] [stdout]   --> src/zmq/ffi.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const ZMQ_SUBSCRIBE: c_int = 6;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ERRNO_EAGAIN`
[INFO] [stdout]   --> src/zmq/ffi.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const ERRNO_EAGAIN: c_int = 11;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zmq_bind`
[INFO] [stdout]   --> src/zmq/ffi.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn zmq_bind(socket: *mut c_void, endpoint: *const c_char) -> c_int;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zmq_connect`
[INFO] [stdout]   --> src/zmq/ffi.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn zmq_connect(socket: *mut c_void, endpoint: *const c_char) -> c_int;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zmq_ctx_new`
[INFO] [stdout]   --> src/zmq/ffi.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn zmq_ctx_new() -> *mut c_void;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zmq_errno`
[INFO] [stdout]   --> src/zmq/ffi.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn zmq_errno() -> c_int;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zmq_recv`
[INFO] [stdout]   --> src/zmq/ffi.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn zmq_recv(socket: *mut c_void, buffer: *mut c_void, len: size_t, flags: c_int) -> c_int;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zmq_send`
[INFO] [stdout]   --> src/zmq/ffi.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn zmq_send(socket: *mut c_void, buffer: *const c_void, len: size_t, flags: c_int) -> c_int;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zmq_setsockopt`
[INFO] [stdout]   --> src/zmq/ffi.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | /     pub fn zmq_setsockopt(
[INFO] [stdout] 28 | |         socket: *mut c_void,
[INFO] [stdout] 29 | |         option_name: c_int,
[INFO] [stdout] 30 | |         option_value: *const c_void,
[INFO] [stdout] 31 | |         option_len: size_t) -> c_int;
[INFO] [stdout]    | |_____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zmq_socket`
[INFO] [stdout]   --> src/zmq/ffi.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn zmq_socket(context: *mut c_void, socket_type: c_int) -> *mut c_void;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 45 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.63s
[INFO] running `Command { std: "docker" "inspect" "0aa1588510596bdd2f2d084a9bbf4ee7e6caed6479a5c1797861fae96f6409e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa1588510596bdd2f2d084a9bbf4ee7e6caed6479a5c1797861fae96f6409e9", kill_on_drop: false }`
[INFO] [stdout] 0aa1588510596bdd2f2d084a9bbf4ee7e6caed6479a5c1797861fae96f6409e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d44b2f03d52a085027e079d4d45de8eaae1d48d58a3ad689a1f565421f02d25a
[INFO] running `Command { std: "docker" "start" "-a" "d44b2f03d52a085027e079d4d45de8eaae1d48d58a3ad689a1f565421f02d25a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling zerofs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config.rs:95:24
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let mut file = try!(fs::File::open(&path));
[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/config.rs:105:50
[INFO] [stdout]     |
[INFO] [stdout] 105 |         toml::from_str(toml).map_err(|e| Error(e.description().to_string()))
[INFO] [stdout]     |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/zmq/mod.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut buffer: &mut [u8] = data.as_mut();
[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: constant is never used: `CONFIG_FILE`
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | const CONFIG_FILE: &'static str = "Modules/zerofs.conf";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_settings`
[INFO] [stdout]   --> src/lib.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn load_settings() -> config::Settings {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_logging`
[INFO] [stdout]   --> src/lib.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn init_logging(settings: config::LoggingSettings) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_toml_file`
[INFO] [stdout]   --> src/config.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn from_toml_file<P: AsRef<Path>>(path: P) -> io::Result<Settings> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Module`
[INFO] [stdout]   --> src/zerofs.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Module {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/zerofs.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new() -> Module {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `start`
[INFO] [stdout]   --> src/zerofs.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn start(&mut self) {}
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stop`
[INFO] [stdout]   --> src/zerofs.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn stop(&mut self) {}
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `MODULE`
[INFO] [stdout]   --> src/zerofs.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | static mut MODULE: *mut Module = 0 as *mut Module;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `start_module`
[INFO] [stdout]   --> src/zerofs.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn start_module() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stop_module`
[INFO] [stdout]   --> src/zerofs.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn stop_module() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.24s
[INFO] running `Command { std: "docker" "inspect" "d44b2f03d52a085027e079d4d45de8eaae1d48d58a3ad689a1f565421f02d25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44b2f03d52a085027e079d4d45de8eaae1d48d58a3ad689a1f565421f02d25a", kill_on_drop: false }`
[INFO] [stdout] d44b2f03d52a085027e079d4d45de8eaae1d48d58a3ad689a1f565421f02d25a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30aadab6a33a8a7f6e9286ba7373621a24997d0bc7702c7c3072f8b7d05c6edf
[INFO] running `Command { std: "docker" "start" "-a" "30aadab6a33a8a7f6e9286ba7373621a24997d0bc7702c7c3072f8b7d05c6edf", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/config.rs:95:24
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let mut file = try!(fs::File::open(&path));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/config.rs:105:50
[INFO] [stderr]     |
[INFO] [stderr] 105 |         toml::from_str(toml).map_err(|e| Error(e.description().to_string()))
[INFO] [stderr]     |                                                  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/zmq/mod.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let mut buffer: &mut [u8] = data.as_mut();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CONFIG_FILE`
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const CONFIG_FILE: &'static str = "Modules/zerofs.conf";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_settings`
[INFO] [stderr]   --> src/lib.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn load_settings() -> config::Settings {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `init_logging`
[INFO] [stderr]   --> src/lib.rs:34:4
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn init_logging(settings: config::LoggingSettings) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_toml_file`
[INFO] [stderr]   --> src/config.rs:94:12
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn from_toml_file<P: AsRef<Path>>(path: P) -> io::Result<Settings> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Module`
[INFO] [stderr]   --> src/zerofs.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Module {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/zerofs.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new() -> Module {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `start`
[INFO] [stderr]   --> src/zerofs.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn start(&mut self) {}
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `stop`
[INFO] [stderr]   --> src/zerofs.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn stop(&mut self) {}
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `MODULE`
[INFO] [stderr]   --> src/zerofs.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | static mut MODULE: *mut Module = 0 as *mut Module;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `start_module`
[INFO] [stderr]   --> src/zerofs.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn start_module() {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stop_module`
[INFO] [stderr]   --> src/zerofs.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn stop_module() {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `zerofs` (lib test) generated 14 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zerofs-81b4b9c9358d2826)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test config::tests::should_load_defaults_from_empty_toml ... ok
[INFO] [stdout] test config::tests::should_load_logging_file ... ok
[INFO] [stdout] test config::tests::should_load_logging_defaults_from_empty_section ... ok
[INFO] [stdout] test config::tests::should_load_logging_level ... ok
[INFO] [stdout] test config::tests::should_load_logging_pattern ... ok
[INFO] [stdout] test zmq::test::test_context_creation ... ok
[INFO] [stdout] test domain::test::test_woker_operation ... ok
[INFO] [stdout] test zmq::test::test_socket_send ... ok
[INFO] [stdout] test zmq::test::test_socket_recv ... ok
[INFO] [stdout] test zmq::test::test_socket_creation ... ok
[INFO] [stdout] test zmq::test::test_socket_connection ... ok
[INFO] [stdout] test zmq::test::test_socket_binding ... ok
[INFO] [stdout] test zmq::test::test_pub_sub_integration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30aadab6a33a8a7f6e9286ba7373621a24997d0bc7702c7c3072f8b7d05c6edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30aadab6a33a8a7f6e9286ba7373621a24997d0bc7702c7c3072f8b7d05c6edf", kill_on_drop: false }`
[INFO] [stdout] 30aadab6a33a8a7f6e9286ba7373621a24997d0bc7702c7c3072f8b7d05c6edf