[INFO] fetching crate lazy-pregen 0.1.4... [INFO] testing lazy-pregen-0.1.4 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate lazy-pregen 0.1.4 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate lazy-pregen 0.1.4 [INFO] finished tweaking crates.io crate lazy-pregen 0.1.4 [INFO] tweaked toml for crates.io crate lazy-pregen 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lazy-pregen 0.1.4 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 75 packages to latest compatible versions [INFO] [stderr] Adding bincode v1.3.3 (available: v2.0.1) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.51) [INFO] [stderr] Adding fern v0.5.9 (available: v0.7.1) [INFO] [stderr] Adding toml v0.4.10 (available: v0.9.8) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5fef95b2bfcc9838cf183aed1ae8e14db15bf98ba6504d678c6d7924927b8d5a [INFO] running `Command { std: "docker" "start" "-a" "5fef95b2bfcc9838cf183aed1ae8e14db15bf98ba6504d678c6d7924927b8d5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5fef95b2bfcc9838cf183aed1ae8e14db15bf98ba6504d678c6d7924927b8d5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fef95b2bfcc9838cf183aed1ae8e14db15bf98ba6504d678c6d7924927b8d5a", kill_on_drop: false }` [INFO] [stdout] 5fef95b2bfcc9838cf183aed1ae8e14db15bf98ba6504d678c6d7924927b8d5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8f4e35254150a939a6cb9416bb0c76a408e417e8e847519da099ddfb9fab897 [INFO] running `Command { std: "docker" "start" "-a" "c8f4e35254150a939a6cb9416bb0c76a408e417e8e847519da099ddfb9fab897", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling nix v0.30.1 [INFO] [stderr] Compiling iana-time-zone v0.1.64 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling chrono v0.4.42 [INFO] [stderr] Compiling fern v0.5.9 [INFO] [stderr] Compiling backtrace v0.3.76 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling ctrlc v3.5.1 [INFO] [stderr] Compiling lazy-pregen v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `stdout_join` and `stderr_join` are never read [INFO] [stdout] --> src/main.rs:122:5 [INFO] [stdout] | [INFO] [stdout] 120 | struct TextStream { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 121 | receiver: Receiver, [INFO] [stdout] 122 | stdout_join: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 123 | stderr_join: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TextStream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:198:12 [INFO] [stdout] | [INFO] [stdout] 198 | Stderr(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Text` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 198 - Stderr(String), [INFO] [stdout] 198 + Stderr(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/main.rs:802:77 [INFO] [stdout] | [INFO] [stdout] 802 | .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter()) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 802 - .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter()) [INFO] [stdout] 802 + .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].iter()) [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 802 - .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter()) [INFO] [stdout] 802 + .args(IntoIterator::into_iter([&xmx_arg, "-jar", &config.resources.server, "nogui"])) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.62s [INFO] running `Command { std: "docker" "inspect" "c8f4e35254150a939a6cb9416bb0c76a408e417e8e847519da099ddfb9fab897", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8f4e35254150a939a6cb9416bb0c76a408e417e8e847519da099ddfb9fab897", kill_on_drop: false }` [INFO] [stdout] c8f4e35254150a939a6cb9416bb0c76a408e417e8e847519da099ddfb9fab897 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 960ff2f0b352bc641801ee9b30489f1930c1d203877f09874c8dd94d88da9d9d [INFO] running `Command { std: "docker" "start" "-a" "960ff2f0b352bc641801ee9b30489f1930c1d203877f09874c8dd94d88da9d9d", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling lazy-pregen v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `stdout_join` and `stderr_join` are never read [INFO] [stdout] --> src/main.rs:122:5 [INFO] [stdout] | [INFO] [stdout] 120 | struct TextStream { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 121 | receiver: Receiver, [INFO] [stdout] 122 | stdout_join: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 123 | stderr_join: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TextStream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:198:12 [INFO] [stdout] | [INFO] [stdout] 198 | Stderr(String), [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Text` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 198 - Stderr(String), [INFO] [stdout] 198 + Stderr(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/main.rs:802:77 [INFO] [stdout] | [INFO] [stdout] 802 | .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter()) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 802 - .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter()) [INFO] [stdout] 802 + .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].iter()) [INFO] [stdout] | [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 802 - .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter()) [INFO] [stdout] 802 + .args(IntoIterator::into_iter([&xmx_arg, "-jar", &config.resources.server, "nogui"])) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "960ff2f0b352bc641801ee9b30489f1930c1d203877f09874c8dd94d88da9d9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "960ff2f0b352bc641801ee9b30489f1930c1d203877f09874c8dd94d88da9d9d", kill_on_drop: false }` [INFO] [stdout] 960ff2f0b352bc641801ee9b30489f1930c1d203877f09874c8dd94d88da9d9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a5745a6d095eb456869ea0be5e63aae463c6788bdae22236e082219470e322df [INFO] running `Command { std: "docker" "start" "-a" "a5745a6d095eb456869ea0be5e63aae463c6788bdae22236e082219470e322df", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: fields `stdout_join` and `stderr_join` are never read [INFO] [stderr] --> src/main.rs:122:5 [INFO] [stderr] | [INFO] [stderr] 120 | struct TextStream { [INFO] [stderr] | ---------- fields in this struct [INFO] [stderr] 121 | receiver: Receiver, [INFO] [stderr] 122 | stdout_join: JoinHandle<()>, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 123 | stderr_join: JoinHandle<()>, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `TextStream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:198:12 [INFO] [stderr] | [INFO] [stderr] 198 | Stderr(String), [INFO] [stderr] | ------ ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `Text` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 198 - Stderr(String), [INFO] [stderr] 198 + Stderr(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stderr] --> src/main.rs:802:77 [INFO] [stderr] | [INFO] [stderr] 802 | .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter()) [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 802 - .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter()) [INFO] [stderr] 802 + .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].iter()) [INFO] [stderr] | [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 802 - .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter()) [INFO] [stderr] 802 + .args(IntoIterator::into_iter([&xmx_arg, "-jar", &config.resources.server, "nogui"])) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `lazy-pregen` (bin "lazy-pregen" test) generated 3 warnings (run `cargo fix --bin "lazy-pregen" -p lazy-pregen --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lazy_pregen-eb8df14e55fddb64) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a5745a6d095eb456869ea0be5e63aae463c6788bdae22236e082219470e322df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5745a6d095eb456869ea0be5e63aae463c6788bdae22236e082219470e322df", kill_on_drop: false }` [INFO] [stdout] a5745a6d095eb456869ea0be5e63aae463c6788bdae22236e082219470e322df