[INFO] cloning repository https://github.com/inclus16/rust_m_queue [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inclus16/rust_m_queue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finclus16%2Frust_m_queue", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finclus16%2Frust_m_queue'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e446ac05f4ed3a735cb9a54a5b98e55d376d7582 [INFO] checking inclus16/rust_m_queue against master#fe55364329579d361b1ab565728bc033a7dba07e for pr-146013 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finclus16%2Frust_m_queue" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/inclus16/rust_m_queue [INFO] finished tweaking git repo https://github.com/inclus16/rust_m_queue [INFO] tweaked toml for git repo https://github.com/inclus16/rust_m_queue written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/inclus16/rust_m_queue on toolchain fe55364329579d361b1ab565728bc033a7dba07e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/inclus16/rust_m_queue 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" "+fe55364329579d361b1ab565728bc033a7dba07e" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0fc6c368121c4e0a4ded2716cfe534089c11305aaf87e373d198419ecebd9f6f [INFO] running `Command { std: "docker" "start" "-a" "0fc6c368121c4e0a4ded2716cfe534089c11305aaf87e373d198419ecebd9f6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0fc6c368121c4e0a4ded2716cfe534089c11305aaf87e373d198419ecebd9f6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fc6c368121c4e0a4ded2716cfe534089c11305aaf87e373d198419ecebd9f6f", kill_on_drop: false }` [INFO] [stdout] 0fc6c368121c4e0a4ded2716cfe534089c11305aaf87e373d198419ecebd9f6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fe55364329579d361b1ab565728bc033a7dba07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13caa49ad0fb46af1425bec7fa9886e21b63d07f1485c4db6d0f6401d8b21c2a [INFO] running `Command { std: "docker" "start" "-a" "13caa49ad0fb46af1425bec7fa9886e21b63d07f1485c4db6d0f6401d8b21c2a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling serde v1.0.216 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Compiling libc v0.2.169 [INFO] [stderr] Compiling anyhow v1.0.94 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Compiling serde_derive v1.0.216 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking rust_m_queue v1.0.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::sync::mpsc::Sender` [INFO] [stdout] --> src/sender.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::mpsc::Sender; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::mqueue::MqAttr` [INFO] [stdout] --> src/sender.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use nix::mqueue::MqAttr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::Sender` [INFO] [stdout] --> src/sender.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::sync::mpsc::Sender; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::mqueue::MqAttr` [INFO] [stdout] --> src/sender.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use nix::mqueue::MqAttr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/receiver.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | mq_close(descriptor); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = mq_close(descriptor); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/receiver.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | mq_unlink(self.name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = mq_unlink(self.name); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sender.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | mq_close(descriptor); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 70 | let _ = mq_close(descriptor); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sender.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | mq_unlink(QUEUE_NAME); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 107 | let _ = mq_unlink(QUEUE_NAME); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sender.rs:123:9 [INFO] [stdout] | [INFO] [stdout] 123 | mq_unlink(QUEUE_NAME); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 123 | let _ = mq_unlink(QUEUE_NAME); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/receiver.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | mq_close(descriptor); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = mq_close(descriptor); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/receiver.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | mq_unlink(self.name); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = mq_unlink(self.name); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sender.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | mq_close(descriptor); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 70 | let _ = mq_close(descriptor); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.22s [INFO] running `Command { std: "docker" "inspect" "13caa49ad0fb46af1425bec7fa9886e21b63d07f1485c4db6d0f6401d8b21c2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13caa49ad0fb46af1425bec7fa9886e21b63d07f1485c4db6d0f6401d8b21c2a", kill_on_drop: false }` [INFO] [stdout] 13caa49ad0fb46af1425bec7fa9886e21b63d07f1485c4db6d0f6401d8b21c2a