[INFO] fetching crate rust_m_queue 1.0.5-alpha.1... [INFO] checking rust_m_queue-1.0.5-alpha.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] extracting crate rust_m_queue 1.0.5-alpha.1 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate rust_m_queue 1.0.5-alpha.1 [INFO] finished tweaking crates.io crate rust_m_queue 1.0.5-alpha.1 [INFO] tweaked toml for crates.io crate rust_m_queue 1.0.5-alpha.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rust_m_queue 1.0.5-alpha.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] [stderr] Adding bincode v1.3.3 (available: v2.0.1) [INFO] [stderr] Adding nix v0.29.0 (available: v0.30.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f4ee7a949f30396adbbda15b6d5b97179f7a0feaa362858d86fc8325381149d [INFO] running `Command { std: "docker" "start" "-a" "2f4ee7a949f30396adbbda15b6d5b97179f7a0feaa362858d86fc8325381149d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f4ee7a949f30396adbbda15b6d5b97179f7a0feaa362858d86fc8325381149d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f4ee7a949f30396adbbda15b6d5b97179f7a0feaa362858d86fc8325381149d", kill_on_drop: false }` [INFO] [stdout] 2f4ee7a949f30396adbbda15b6d5b97179f7a0feaa362858d86fc8325381149d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a178479e50e52a52ab74b26aae67837d888908c63d97c96090a39a7c99ce44e7 [INFO] running `Command { std: "docker" "start" "-a" "a178479e50e52a52ab74b26aae67837d888908c63d97c96090a39a7c99ce44e7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling anyhow v1.0.99 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Checking bitflags v2.9.3 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking rust_m_queue v1.0.5-alpha.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `nix::mqueue::MqAttr` [INFO] [stdout] --> src/sender.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::mqueue::MqAttr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `nix::mqueue::MqAttr` [INFO] [stdout] --> src/sender.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::mqueue::MqAttr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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)]` 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:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | 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] 75 | let _ = mq_close(descriptor); [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)]` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.31s [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:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | 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] 75 | let _ = mq_close(descriptor); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/sender.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | 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] 112 | 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:128:9 [INFO] [stdout] | [INFO] [stdout] 128 | 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] 128 | let _ = mq_unlink(QUEUE_NAME); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a178479e50e52a52ab74b26aae67837d888908c63d97c96090a39a7c99ce44e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a178479e50e52a52ab74b26aae67837d888908c63d97c96090a39a7c99ce44e7", kill_on_drop: false }` [INFO] [stdout] a178479e50e52a52ab74b26aae67837d888908c63d97c96090a39a7c99ce44e7