[INFO] cloning repository https://github.com/gui-marc/rust-mbroker [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gui-marc/rust-mbroker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgui-marc%2Frust-mbroker", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgui-marc%2Frust-mbroker'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4290421d741443b7c5d9c45c8874c96d615c0192 [INFO] building gui-marc/rust-mbroker against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgui-marc%2Frust-mbroker" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gui-marc/rust-mbroker on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gui-marc/rust-mbroker [INFO] finished tweaking git repo https://github.com/gui-marc/rust-mbroker [INFO] tweaked toml for git repo https://github.com/gui-marc/rust-mbroker written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gui-marc/rust-mbroker 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ctrlc v3.2.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f8e0ce571005f21a84a88a4aaada76743238d12cf5708e7ab3e4d71e61134160 [INFO] running `Command { std: "docker" "start" "-a" "f8e0ce571005f21a84a88a4aaada76743238d12cf5708e7ab3e4d71e61134160", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8e0ce571005f21a84a88a4aaada76743238d12cf5708e7ab3e4d71e61134160", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8e0ce571005f21a84a88a4aaada76743238d12cf5708e7ab3e4d71e61134160", kill_on_drop: false }` [INFO] [stdout] f8e0ce571005f21a84a88a4aaada76743238d12cf5708e7ab3e4d71e61134160 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 158aa5e6866de8769938adbdade72625efe1a49a8c973b9dc314bacf4566a248 [INFO] running `Command { std: "docker" "start" "-a" "158aa5e6866de8769938adbdade72625efe1a49a8c973b9dc314bacf4566a248", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling fastrand v1.8.0 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling nix v0.26.2 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling ctrlc v3.2.4 [INFO] [stderr] Compiling rust-mbroker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/named_pipes.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/manager.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn run(args: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/subscriber.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(args: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `head` is never read [INFO] [stdout] --> src/pc_queue.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct ProducerConsumerQueue { [INFO] [stdout] | --------------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | head: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProducerConsumerQueue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dequeue` is never used [INFO] [stdout] --> src/pc_queue.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl ProducerConsumerQueue { [INFO] [stdout] | -------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn dequeue(&mut self) -> Result, String> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_bytes` is never used [INFO] [stdout] --> src/protocols.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub trait IsProtocol { [INFO] [stdout] | ---------- associated function in this trait [INFO] [stdout] 36 | fn from_bytes(bytes: Vec) -> Self; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `register_subscriber` is never used [INFO] [stdout] --> src/protocols.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn register_subscriber(client_named_pipe: String, box_name: String) -> RequestProtocol { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.18s [INFO] running `Command { std: "docker" "inspect" "158aa5e6866de8769938adbdade72625efe1a49a8c973b9dc314bacf4566a248", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "158aa5e6866de8769938adbdade72625efe1a49a8c973b9dc314bacf4566a248", kill_on_drop: false }` [INFO] [stdout] 158aa5e6866de8769938adbdade72625efe1a49a8c973b9dc314bacf4566a248 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5df203f214f7e68035893191d64dd6ae2f76e410087037c05f5052741cb0185b [INFO] running `Command { std: "docker" "start" "-a" "5df203f214f7e68035893191d64dd6ae2f76e410087037c05f5052741cb0185b", kill_on_drop: false }` [INFO] [stderr] Compiling rust-mbroker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/named_pipes.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/manager.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn run(args: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/subscriber.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(args: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `head` is never read [INFO] [stdout] --> src/pc_queue.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct ProducerConsumerQueue { [INFO] [stdout] | --------------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 7 | head: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProducerConsumerQueue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dequeue` is never used [INFO] [stdout] --> src/pc_queue.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl ProducerConsumerQueue { [INFO] [stdout] | -------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 33 | pub fn dequeue(&mut self) -> Result, String> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `from_bytes` is never used [INFO] [stdout] --> src/protocols.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub trait IsProtocol { [INFO] [stdout] | ---------- associated function in this trait [INFO] [stdout] 36 | fn from_bytes(bytes: Vec) -> Self; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `register_subscriber` is never used [INFO] [stdout] --> src/protocols.rs:54:8 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn register_subscriber(client_named_pipe: String, box_name: String) -> RequestProtocol { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "5df203f214f7e68035893191d64dd6ae2f76e410087037c05f5052741cb0185b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5df203f214f7e68035893191d64dd6ae2f76e410087037c05f5052741cb0185b", kill_on_drop: false }` [INFO] [stdout] 5df203f214f7e68035893191d64dd6ae2f76e410087037c05f5052741cb0185b