[INFO] cloning repository https://github.com/akars/lazy-pregen [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akars/lazy-pregen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakars%2Flazy-pregen", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakars%2Flazy-pregen'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8e27f9f4dc0b7e4ce710704dcee836514bf31689 [INFO] checking akars/lazy-pregen/8e27f9f4dc0b7e4ce710704dcee836514bf31689 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakars%2Flazy-pregen" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/akars/lazy-pregen on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/akars/lazy-pregen [INFO] finished tweaking git repo https://github.com/akars/lazy-pregen [INFO] tweaked toml for git repo https://github.com/akars/lazy-pregen written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/akars/lazy-pregen 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded quote v0.6.3 [INFO] [stderr] Downloaded aho-corasick v0.6.6 [INFO] [stderr] Downloaded byteorder v1.2.3 [INFO] [stderr] Downloaded cc v1.0.18 [INFO] [stderr] Downloaded backtrace v0.3.9 [INFO] [stderr] Downloaded syn v0.14.4 [INFO] [stderr] Downloaded failure_derive v0.1.1 [INFO] [stderr] Downloaded regex v1.0.2 [INFO] [stderr] Downloaded regex-syntax v0.6.2 [INFO] [stderr] Downloaded proc-macro2 v0.4.8 [INFO] [stderr] Downloaded atty v0.2.10 [INFO] [stderr] Downloaded rustc-demangle v0.1.8 [INFO] [stderr] Downloaded backtrace-sys v0.1.23 [INFO] [stderr] Downloaded failure v0.1.1 [INFO] [stderr] Downloaded ctrlc v3.1.1 [INFO] [stderr] Downloaded fern v0.5.6 [INFO] [stderr] Downloaded chrono v0.4.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0a7f7f2e4db13af5750d0287855e73aa8f5ecc1e9661f777253677710c3ea0a8 [INFO] running `Command { std: "docker" "start" "-a" "0a7f7f2e4db13af5750d0287855e73aa8f5ecc1e9661f777253677710c3ea0a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a7f7f2e4db13af5750d0287855e73aa8f5ecc1e9661f777253677710c3ea0a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a7f7f2e4db13af5750d0287855e73aa8f5ecc1e9661f777253677710c3ea0a8", kill_on_drop: false }` [INFO] [stdout] 0a7f7f2e4db13af5750d0287855e73aa8f5ecc1e9661f777253677710c3ea0a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e31bdcc0b3662ef46dbb76a02bca884368c483545d0b83c0eb30e28673f681d5 [INFO] running `Command { std: "docker" "start" "-a" "e31bdcc0b3662ef46dbb76a02bca884368c483545d0b83c0eb30e28673f681d5", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling cc v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking rustc-demangle v0.1.8 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking lazy_static v1.0.2 [INFO] [stderr] Compiling regex v1.0.2 [INFO] [stderr] Checking log v0.4.3 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling proc-macro2 v0.4.8 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking regex-syntax v0.6.2 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking fern v0.5.6 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Compiling syn v0.14.4 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking aho-corasick v0.6.6 [INFO] [stderr] Checking chrono v0.4.4 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.70 [INFO] [stderr] Checking ctrlc v3.1.1 [INFO] [stderr] Checking bincode v1.0.1 [INFO] [stderr] Checking toml v0.4.6 [INFO] [stderr] Checking 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)]` 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(()), [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)]` 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"].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(IntoIterator::into_iter([&xmx_arg, "-jar", &config.resources.server, "nogui"])) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [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)]` 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(()), [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)]` 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"].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(IntoIterator::into_iter([&xmx_arg, "-jar", &config.resources.server, "nogui"])) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.22s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "e31bdcc0b3662ef46dbb76a02bca884368c483545d0b83c0eb30e28673f681d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e31bdcc0b3662ef46dbb76a02bca884368c483545d0b83c0eb30e28673f681d5", kill_on_drop: false }` [INFO] [stdout] e31bdcc0b3662ef46dbb76a02bca884368c483545d0b83c0eb30e28673f681d5