[INFO] cloning repository https://github.com/wrought-lang/wrought-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wrought-lang/wrought-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrought-lang%2Fwrought-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrought-lang%2Fwrought-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c6a66142c618832316a81da0d56d2974898626e1 [INFO] checking wrought-lang/wrought-rs against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwrought-lang%2Fwrought-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wrought-lang/wrought-rs on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wrought-lang/wrought-rs [INFO] finished tweaking git repo https://github.com/wrought-lang/wrought-rs [INFO] tweaked toml for git repo https://github.com/wrought-lang/wrought-rs written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/wrought-lang/wrought-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85d56eb86cd005da212bcf4d546ef016be73206392f05d164485998d153681cd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "85d56eb86cd005da212bcf4d546ef016be73206392f05d164485998d153681cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85d56eb86cd005da212bcf4d546ef016be73206392f05d164485998d153681cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85d56eb86cd005da212bcf4d546ef016be73206392f05d164485998d153681cd", kill_on_drop: false }` [INFO] [stdout] 85d56eb86cd005da212bcf4d546ef016be73206392f05d164485998d153681cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9671f1eb8441ffd31af889030838230e0ea313f890d58e4a98c3f9cbc230f4b9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9671f1eb8441ffd31af889030838230e0ea313f890d58e4a98c3f9cbc230f4b9", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Checking codespan-reporting v0.11.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking codespan v0.11.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling logos-derive v0.11.5 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Checking logos v0.11.4 [INFO] [stderr] Checking wrought v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `TokenErrors`, `Token` [INFO] [stdout] --> src/parser.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::lexer::{ Token, TokenData, TokenErrors }; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `M` [INFO] [stdout] --> src/parser.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::ast::{ M, Module }; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TokenErrors`, `Token` [INFO] [stdout] --> src/parser.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::lexer::{ Token, TokenData, TokenErrors }; [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `M` [INFO] [stdout] --> src/parser.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::ast::{ M, Module }; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token_data` [INFO] [stdout] --> src/parser.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | fn parse(token_data: TokenData) -> Option { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token_data` [INFO] [stdout] --> src/parser.rs:12:10 [INFO] [stdout] | [INFO] [stdout] 12 | fn parse(token_data: TokenData) -> Option { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_data` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ParserData` [INFO] [stdout] --> src/parser.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct ParserData { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse` [INFO] [stdout] --> src/parser.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn parse(token_data: TokenData) -> Option { [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/lexer.rs:429:52 [INFO] [stdout] | [INFO] [stdout] 429 | let next_4: Option> = next_4.into_iter().map(|c| *c).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 429 | let next_4: Option> = next_4.iter().map(|c| *c).collect(); [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 429 | let next_4: Option> = IntoIterator::into_iter(next_4).map(|c| *c).collect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ParserData` [INFO] [stdout] --> src/parser.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct ParserData { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse` [INFO] [stdout] --> src/parser.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn parse(token_data: TokenData) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [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/lexer.rs:429:52 [INFO] [stdout] | [INFO] [stdout] 429 | let next_4: Option> = next_4.into_iter().map(|c| *c).collect(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 429 | let next_4: Option> = next_4.iter().map(|c| *c).collect(); [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 429 | let next_4: Option> = IntoIterator::into_iter(next_4).map(|c| *c).collect(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.51s [INFO] running `Command { std: "docker" "inspect" "9671f1eb8441ffd31af889030838230e0ea313f890d58e4a98c3f9cbc230f4b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9671f1eb8441ffd31af889030838230e0ea313f890d58e4a98c3f9cbc230f4b9", kill_on_drop: false }` [INFO] [stdout] 9671f1eb8441ffd31af889030838230e0ea313f890d58e4a98c3f9cbc230f4b9