[INFO] cloning repository https://github.com/emreyalvac/posix-mq-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emreyalvac/posix-mq-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreyalvac%2Fposix-mq-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreyalvac%2Fposix-mq-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac57562c3fcaf902f031e3e072d9ccb892de65bc
[INFO] checking emreyalvac/posix-mq-rust against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femreyalvac%2Fposix-mq-rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emreyalvac/posix-mq-rust
[INFO] finished tweaking git repo https://github.com/emreyalvac/posix-mq-rust
[INFO] tweaked toml for git repo https://github.com/emreyalvac/posix-mq-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emreyalvac/posix-mq-rust on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emreyalvac/posix-mq-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98d27741074d5310687d344a67c6d80f677784ca23ffbea3e0b95f0275ab903f
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[INFO] running `Command { std: "docker" "inspect" "98d27741074d5310687d344a67c6d80f677784ca23ffbea3e0b95f0275ab903f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d27741074d5310687d344a67c6d80f677784ca23ffbea3e0b95f0275ab903f", kill_on_drop: false }`
[INFO] [stdout] 98d27741074d5310687d344a67c6d80f677784ca23ffbea3e0b95f0275ab903f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e77da6fa1e4d59733cde97010eafb0748015b80bb303c0f88b5b16cefd8f3b5
[INFO] running `Command { std: "docker" "start" "-a" "8e77da6fa1e4d59733cde97010eafb0748015b80bb303c0f88b5b16cefd8f3b5", kill_on_drop: false }`
[INFO] [stderr]     Checking posix-mq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SIGEV_SIGNAL`
[INFO] [stdout]  --> src/mq/mq.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{O_CREAT, O_RDONLY, Options, SIGEV_SIGNAL, SIGEV_THREAD, TOptions};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SIGEV_SIGNAL`
[INFO] [stdout]  --> src/mq/mq.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{O_CREAT, O_RDONLY, Options, SIGEV_SIGNAL, SIGEV_THREAD, TOptions};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mq/mq.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let mut options = self.options.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 variable: `attrs`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let attrs = posix_mq.get_attrs();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `publish_message`, `receive`, `unlink`, and `close` are never used
[INFO] [stdout]   --> src/mq/mq.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub trait TPosixMQ<'a> {
[INFO] [stdout]    |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 92 |     fn publish_message(&self, msg: String) -> Result<c_int, c_int>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 93 |     fn receive(&self) -> ();
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |     fn unlink(&self, queue_name: String) -> ();
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 97 |     fn close(&self) -> Result<c_int, c_int>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mq_send` is never used
[INFO] [stdout]   --> src/mq/mq.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn mq_send(mqdes: c_int, buffer: *const c_char, buffer_size: c_int, prio: c_uint) -> c_int;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mq_receive` is never used
[INFO] [stdout]   --> src/mq/mq.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn mq_receive(mqdes: c_int, buffer: *const c_char, message_size: usize, prio: *const c_uint) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mq_unlink` is never used
[INFO] [stdout]   --> src/mq/mq.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn mq_unlink(name: *const c_char) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mq_close` is never used
[INFO] [stdout]   --> src/mq/mq.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn mq_close(mqd_t: c_int) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `O_WRONLY` is never used
[INFO] [stdout]  --> src/mq/options.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const O_WRONLY: c_int = 1;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `O_NONBLOCK` is never used
[INFO] [stdout]  --> src/mq/options.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const O_NONBLOCK: c_int = 2048;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIGEV_SIGNAL` is never used
[INFO] [stdout]   --> src/mq/options.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const SIGEV_SIGNAL: c_int = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `read_only`, `write_only`, `non_blocking`, and `get_handler` are never used
[INFO] [stdout]   --> src/mq/options.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait TOptions {
[INFO] [stdout]    |           -------- associated items in this trait
[INFO] [stdout] 14 |     fn new(flag: c_int) -> Self;
[INFO] [stdout] 15 |     fn read_only() -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 16 |     fn write_only() -> Self;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn non_blocking(&mut self) -> &mut Self;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_handler(&self) -> &Option<Box<dyn THandler>>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_queue_event` is never used
[INFO] [stdout]  --> src/handler/handler.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait THandler: 'static + Debug + Send + Sync {
[INFO] [stdout]   |           -------- method in this trait
[INFO] [stdout] 5 |     fn handle_queue_event(&self, buffer: *const c_char, data: &str) -> ();
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mq/mq.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |         let mut options = self.options.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 variable: `attrs`
[INFO] [stdout]   --> src/main.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let attrs = posix_mq.get_attrs();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `publish_message`, `receive`, `unlink`, and `close` are never used
[INFO] [stdout]   --> src/mq/mq.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub trait TPosixMQ<'a> {
[INFO] [stdout]    |           -------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 92 |     fn publish_message(&self, msg: String) -> Result<c_int, c_int>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 93 |     fn receive(&self) -> ();
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |     fn unlink(&self, queue_name: String) -> ();
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 97 |     fn close(&self) -> Result<c_int, c_int>;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mq_send` is never used
[INFO] [stdout]   --> src/mq/mq.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn mq_send(mqdes: c_int, buffer: *const c_char, buffer_size: c_int, prio: c_uint) -> c_int;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mq_receive` is never used
[INFO] [stdout]   --> src/mq/mq.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn mq_receive(mqdes: c_int, buffer: *const c_char, message_size: usize, prio: *const c_uint) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mq_unlink` is never used
[INFO] [stdout]   --> src/mq/mq.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn mq_unlink(name: *const c_char) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mq_close` is never used
[INFO] [stdout]   --> src/mq/mq.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn mq_close(mqd_t: c_int) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `O_WRONLY` is never used
[INFO] [stdout]  --> src/mq/options.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const O_WRONLY: c_int = 1;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `O_NONBLOCK` is never used
[INFO] [stdout]  --> src/mq/options.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const O_NONBLOCK: c_int = 2048;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIGEV_SIGNAL` is never used
[INFO] [stdout]   --> src/mq/options.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const SIGEV_SIGNAL: c_int = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `read_only`, `write_only`, `non_blocking`, and `get_handler` are never used
[INFO] [stdout]   --> src/mq/options.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait TOptions {
[INFO] [stdout]    |           -------- associated items in this trait
[INFO] [stdout] 14 |     fn new(flag: c_int) -> Self;
[INFO] [stdout] 15 |     fn read_only() -> Self;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 16 |     fn write_only() -> Self;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn non_blocking(&mut self) -> &mut Self;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn get_handler(&self) -> &Option<Box<dyn THandler>>;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_queue_event` is never used
[INFO] [stdout]  --> src/handler/handler.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait THandler: 'static + Debug + Send + Sync {
[INFO] [stdout]   |           -------- method in this trait
[INFO] [stdout] 5 |     fn handle_queue_event(&self, buffer: *const c_char, data: &str) -> ();
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "8e77da6fa1e4d59733cde97010eafb0748015b80bb303c0f88b5b16cefd8f3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e77da6fa1e4d59733cde97010eafb0748015b80bb303c0f88b5b16cefd8f3b5", kill_on_drop: false }`
[INFO] [stdout] 8e77da6fa1e4d59733cde97010eafb0748015b80bb303c0f88b5b16cefd8f3b5