[INFO] crate rual 0.0.2 is already in cache
[INFO] checking rual-0.0.2 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate rual 0.0.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rual 0.0.2 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rual 0.0.2
[INFO] finished tweaking crates.io crate rual 0.0.2
[INFO] tweaked toml for crates.io crate rual 0.0.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 73954b2b50bd2f08e8919fa9a9998373c60c076ae9bfd9b36aeeb07dc79bca62
[INFO] running `"docker" "start" "-a" "73954b2b50bd2f08e8919fa9a9998373c60c076ae9bfd9b36aeeb07dc79bca62"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rual v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Punct`
[INFO] [stderr]  --> src/lexing/mod.rs:3:30
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::syntax::{Keyword, Punct, Token, TokenType};
[INFO] [stderr]   |                              ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `parent`
[INFO] [stderr]    --> src/execution/mod.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     parent: Option<&'t Scope<'t>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/execution/mod.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/execution/mod.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         self.exec_expr(&expr);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `parent`
[INFO] [stderr]    --> src/execution/mod.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     parent: Option<&'t Scope<'t>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/execution/mod.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     pub fn new(parent: &'t Scope) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/execution/mod.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         self.exec_expr(&expr);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "73954b2b50bd2f08e8919fa9a9998373c60c076ae9bfd9b36aeeb07dc79bca62"`
[INFO] running `"docker" "rm" "-f" "73954b2b50bd2f08e8919fa9a9998373c60c076ae9bfd9b36aeeb07dc79bca62"`
[INFO] [stdout] 73954b2b50bd2f08e8919fa9a9998373c60c076ae9bfd9b36aeeb07dc79bca62
