[INFO] cloning repository https://github.com/kbacha/cxn_pool_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kbacha/cxn_pool_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbacha%2Fcxn_pool_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbacha%2Fcxn_pool_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 09461ed362ccc9b6b95c4e46b24719f923bbb378 [INFO] checking kbacha/cxn_pool_test against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134276 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkbacha%2Fcxn_pool_test" "/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/kbacha/cxn_pool_test on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kbacha/cxn_pool_test [INFO] finished tweaking git repo https://github.com/kbacha/cxn_pool_test [INFO] tweaked toml for git repo https://github.com/kbacha/cxn_pool_test written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kbacha/cxn_pool_test 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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5e457dfd60fe272ce740261c34ae97d3d9c7efaf3381d16e02b12b7de2d988b0 [INFO] running `Command { std: "docker" "start" "-a" "5e457dfd60fe272ce740261c34ae97d3d9c7efaf3381d16e02b12b7de2d988b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5e457dfd60fe272ce740261c34ae97d3d9c7efaf3381d16e02b12b7de2d988b0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e457dfd60fe272ce740261c34ae97d3d9c7efaf3381d16e02b12b7de2d988b0", kill_on_drop: false }` [INFO] [stdout] 5e457dfd60fe272ce740261c34ae97d3d9c7efaf3381d16e02b12b7de2d988b0 [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" "-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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e79893d15603d8936fb502e857b7a46cfd8650ec76041a5d7d6853e6b22f7bc [INFO] running `Command { std: "docker" "start" "-a" "3e79893d15603d8936fb502e857b7a46cfd8650ec76041a5d7d6853e6b22f7bc", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking scheduled-thread-pool v0.2.0 [INFO] [stderr] Checking r2d2 v0.8.2 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking cxn_pool_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:42:32 [INFO] [stdout] | [INFO] [stdout] 42 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `conn` [INFO] [stdout] --> src/main.rs:95:22 [INFO] [stdout] | [INFO] [stdout] 95 | let conn = pool.get().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_conn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:42:32 [INFO] [stdout] | [INFO] [stdout] 42 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 42 | fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Broke` is never constructed [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 27 | enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 30 | Broke, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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: unused variable: `conn` [INFO] [stdout] --> src/main.rs:95:22 [INFO] [stdout] | [INFO] [stdout] 95 | let conn = pool.get().unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_conn` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Broke` is never constructed [INFO] [stdout] --> src/main.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 27 | enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 30 | Broke, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `Command { std: "docker" "inspect" "3e79893d15603d8936fb502e857b7a46cfd8650ec76041a5d7d6853e6b22f7bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e79893d15603d8936fb502e857b7a46cfd8650ec76041a5d7d6853e6b22f7bc", kill_on_drop: false }` [INFO] [stdout] 3e79893d15603d8936fb502e857b7a46cfd8650ec76041a5d7d6853e6b22f7bc