[INFO] updating cached repository https://github.com/iPolyomino/parser [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6c6836d7cb5f160a51c205a841da8824562bf5de [INFO] checking iPolyomino/parser against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiPolyomino%2Fparser" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iPolyomino/parser on toolchain d7b51666469c792a8a3f40849607739bae1e705e [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/iPolyomino/parser [INFO] finished tweaking git repo https://github.com/iPolyomino/parser [INFO] tweaked toml for git repo https://github.com/iPolyomino/parser written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/iPolyomino/parser already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] e60a37c40110f196e61a9715c810ab451a29a038a04fa4125047986afba96157 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "e60a37c40110f196e61a9715c810ab451a29a038a04fa4125047986afba96157"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:112:17 [INFO] [stderr] | [INFO] [stderr] 112 | b'0'...b'9' => lex_a_token!(lex_number(input, pos)), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:383:25 [INFO] [stderr] | [INFO] [stderr] 383 | let (e, loc): (&StdError, Loc) = match self { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:112:17 [INFO] [stderr] | [INFO] [stderr] 112 | b'0'...b'9' => lex_a_token!(lex_number(input, pos)), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:383:25 [INFO] [stderr] | [INFO] [stderr] 383 | let (e, loc): (&StdError, Loc) = match self { [INFO] [stderr] | ^^^^^^^^ help: use `dyn`: `dyn StdError` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:164:29 [INFO] [stderr] | [INFO] [stderr] 164 | fn lex_number(input: &[u8], mut pos: usize) -> Result<(Token, usize), LexError> { [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:173:30 [INFO] [stderr] | [INFO] [stderr] 173 | fn skip_spaces(input: &[u8], mut pos: usize) -> Result<((), usize), LexError> { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `num` [INFO] [stderr] --> src/main.rs:212:5 [INFO] [stderr] | [INFO] [stderr] 212 | fn num(n: u64, loc: Loc) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `UnexpectedToken` [INFO] [stderr] --> src/main.rs:413:5 [INFO] [stderr] | [INFO] [stderr] 413 | UnexpectedToken(Token), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:164:29 [INFO] [stderr] | [INFO] [stderr] 164 | fn lex_number(input: &[u8], mut pos: usize) -> Result<(Token, usize), LexError> { [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:173:30 [INFO] [stderr] | [INFO] [stderr] 173 | fn skip_spaces(input: &[u8], mut pos: usize) -> Result<((), usize), LexError> { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `UnexpectedToken` [INFO] [stderr] --> src/main.rs:413:5 [INFO] [stderr] | [INFO] [stderr] 413 | UnexpectedToken(Token), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.59s [INFO] running `"docker" "inspect" "e60a37c40110f196e61a9715c810ab451a29a038a04fa4125047986afba96157"` [INFO] running `"docker" "rm" "-f" "e60a37c40110f196e61a9715c810ab451a29a038a04fa4125047986afba96157"` [INFO] [stdout] e60a37c40110f196e61a9715c810ab451a29a038a04fa4125047986afba96157