[INFO] cloning repository https://github.com/CodeAffe/Lisperator [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CodeAffe/Lisperator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeAffe%2FLisperator"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeAffe%2FLisperator'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 213df5d24bf6ee1fbb02003b7e4dbbbd23ac98fc [INFO] checking CodeAffe/Lisperator against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodeAffe%2FLisperator" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CodeAffe/Lisperator on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/CodeAffe/Lisperator [INFO] finished tweaking git repo https://github.com/CodeAffe/Lisperator [INFO] tweaked toml for git repo https://github.com/CodeAffe/Lisperator written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/CodeAffe/Lisperator already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 910748deaa0fdaac2e45d35ea74e99055f7f11f7abe5ff022fb4a3be5704a442 [INFO] running `"docker" "start" "-a" "910748deaa0fdaac2e45d35ea74e99055f7f11f7abe5ff022fb4a3be5704a442"` [INFO] [stderr] Checking lisperator-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `has_dot` [INFO] [stderr] --> src/TokenStream.rs:114:17 [INFO] [stderr] | [INFO] [stderr] 114 | let mut has_dot = false; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_has_dot` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> src/TokenStream.rs:125:17 [INFO] [stderr] | [INFO] [stderr] 125 | let mut id = 0; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_id` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut input = InputStream::InputStream { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut token = TokenStream::TokenStream { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/TokenStream.rs:114:13 [INFO] [stderr] | [INFO] [stderr] 114 | let mut has_dot = false; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/TokenStream.rs:115:13 [INFO] [stderr] | [INFO] [stderr] 115 | let mut number = 0; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/TokenStream.rs:125:13 [INFO] [stderr] | [INFO] [stderr] 125 | let mut id = 0; [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next` [INFO] [stderr] --> src/InputStream.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn next(&mut self) -> char { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek` [INFO] [stderr] --> src/InputStream.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn peek(&self) -> char { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `eof` [INFO] [stderr] --> src/InputStream.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn eof(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `croak` [INFO] [stderr] --> src/InputStream.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn croak(&self, msg: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_next` [INFO] [stderr] --> src/TokenStream.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn read_next(&self, input: &InputStream) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_keyword` [INFO] [stderr] --> src/TokenStream.rs:62:5 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn is_keyword(&self, ch: String) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_id_start` [INFO] [stderr] --> src/TokenStream.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | pub fn is_id_start(&self, ch: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_id` [INFO] [stderr] --> src/TokenStream.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn is_id(&self, ch: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_op_char` [INFO] [stderr] --> src/TokenStream.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn is_op_char(ch: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_punc` [INFO] [stderr] --> src/TokenStream.rs:91:5 [INFO] [stderr] | [INFO] [stderr] 91 | pub fn is_punc(ch: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_whitespace` [INFO] [stderr] --> src/TokenStream.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | pub fn is_whitespace(&self, ch: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_while` [INFO] [stderr] --> src/TokenStream.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | pub fn read_while(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_number` [INFO] [stderr] --> src/TokenStream.rs:113:5 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn read_number() -> Token { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_ident` [INFO] [stderr] --> src/TokenStream.rs:124:5 [INFO] [stderr] | [INFO] [stderr] 124 | pub fn read_ident() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_escaped` [INFO] [stderr] --> src/TokenStream.rs:131:5 [INFO] [stderr] | [INFO] [stderr] 131 | pub fn read_escaped(&self, end: char) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_string` [INFO] [stderr] --> src/TokenStream.rs:151:5 [INFO] [stderr] | [INFO] [stderr] 151 | pub fn read_string(&self) -> Token { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Token` [INFO] [stderr] --> src/TokenStream.rs:176:1 [INFO] [stderr] | [INFO] [stderr] 176 | pub struct Token { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `ReadEvent` [INFO] [stderr] --> src/main.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | enum ReadEvent { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: module `InputStream` should have a snake case name [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | mod InputStream; [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `input_stream` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: module `TokenStream` should have a snake case name [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | mod TokenStream; [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `token_stream` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `has_dot` [INFO] [stderr] --> src/TokenStream.rs:114:17 [INFO] [stderr] | [INFO] [stderr] 114 | let mut has_dot = false; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_has_dot` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `id` [INFO] [stderr] --> src/TokenStream.rs:125:17 [INFO] [stderr] | [INFO] [stderr] 125 | let mut id = 0; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_id` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut input = InputStream::InputStream { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | let mut token = TokenStream::TokenStream { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/TokenStream.rs:114:13 [INFO] [stderr] | [INFO] [stderr] 114 | let mut has_dot = false; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/TokenStream.rs:115:13 [INFO] [stderr] | [INFO] [stderr] 115 | let mut number = 0; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/TokenStream.rs:125:13 [INFO] [stderr] | [INFO] [stderr] 125 | let mut id = 0; [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `next` [INFO] [stderr] --> src/InputStream.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn next(&mut self) -> char { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `peek` [INFO] [stderr] --> src/InputStream.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn peek(&self) -> char { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `eof` [INFO] [stderr] --> src/InputStream.rs:30:5 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn eof(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `croak` [INFO] [stderr] --> src/InputStream.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn croak(&self, msg: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_next` [INFO] [stderr] --> src/TokenStream.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn read_next(&self, input: &InputStream) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_keyword` [INFO] [stderr] --> src/TokenStream.rs:62:5 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn is_keyword(&self, ch: String) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_id_start` [INFO] [stderr] --> src/TokenStream.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | pub fn is_id_start(&self, ch: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_id` [INFO] [stderr] --> src/TokenStream.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn is_id(&self, ch: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_op_char` [INFO] [stderr] --> src/TokenStream.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn is_op_char(ch: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_punc` [INFO] [stderr] --> src/TokenStream.rs:91:5 [INFO] [stderr] | [INFO] [stderr] 91 | pub fn is_punc(ch: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_whitespace` [INFO] [stderr] --> src/TokenStream.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | pub fn is_whitespace(&self, ch: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_while` [INFO] [stderr] --> src/TokenStream.rs:104:5 [INFO] [stderr] | [INFO] [stderr] 104 | pub fn read_while(&self) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_number` [INFO] [stderr] --> src/TokenStream.rs:113:5 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn read_number() -> Token { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_ident` [INFO] [stderr] --> src/TokenStream.rs:124:5 [INFO] [stderr] | [INFO] [stderr] 124 | pub fn read_ident() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_escaped` [INFO] [stderr] --> src/TokenStream.rs:131:5 [INFO] [stderr] | [INFO] [stderr] 131 | pub fn read_escaped(&self, end: char) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `read_string` [INFO] [stderr] --> src/TokenStream.rs:151:5 [INFO] [stderr] | [INFO] [stderr] 151 | pub fn read_string(&self) -> Token { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Token` [INFO] [stderr] --> src/TokenStream.rs:176:1 [INFO] [stderr] | [INFO] [stderr] 176 | pub struct Token { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `ReadEvent` [INFO] [stderr] --> src/main.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | enum ReadEvent { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: module `InputStream` should have a snake case name [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | mod InputStream; [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `input_stream` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: module `TokenStream` should have a snake case name [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | mod TokenStream; [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `token_stream` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.32s [INFO] running `"docker" "inspect" "910748deaa0fdaac2e45d35ea74e99055f7f11f7abe5ff022fb4a3be5704a442"` [INFO] running `"docker" "rm" "-f" "910748deaa0fdaac2e45d35ea74e99055f7f11f7abe5ff022fb4a3be5704a442"` [INFO] [stdout] 910748deaa0fdaac2e45d35ea74e99055f7f11f7abe5ff022fb4a3be5704a442