[INFO] updating cached repository https://github.com/mwolicki/mlisp_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] 103fb4a30b0175fec4714bb69cc9a88fbbc2beca
[INFO] checking mwolicki/mlisp_rust against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmwolicki%2Fmlisp_rust" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mwolicki/mlisp_rust on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mwolicki/mlisp_rust
[INFO] finished tweaking git repo https://github.com/mwolicki/mlisp_rust
[INFO] tweaked toml for git repo https://github.com/mwolicki/mlisp_rust written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mwolicki/mlisp_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3801c38770fa50bf555f24edf461e8ed2e11fef98eb88768a3b3abd1d5338881
[INFO] running `"docker" "start" "-a" "3801c38770fa50bf555f24edf461e8ed2e11fef98eb88768a3b3abd1d5338881"`
[INFO] [stderr]     Checking mlisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser_combinators.rs:210:31
[INFO] [stderr]     |
[INFO] [stderr] 210 | pub type RcParser<'a, R> = Rc<Parser<'a, Return = R> + 'a>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<'a, Return = R> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parser_combinators.rs:210:31
[INFO] [stderr]     |
[INFO] [stderr] 210 | pub type RcParser<'a, R> = Rc<Parser<'a, Return = R> + 'a>;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<'a, Return = R> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parser::parse`
[INFO] [stderr]  --> src/eval.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use parser::parse;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `p_str`
[INFO] [stderr]   --> src/parser_combinators.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn p_str<'a>(string: &'a str) -> RcParser<'a, &str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `p_str`
[INFO] [stderr]   --> src/parser_combinators.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn p_str<'a>(string: &'a str) -> RcParser<'a, &str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "3801c38770fa50bf555f24edf461e8ed2e11fef98eb88768a3b3abd1d5338881"`
[INFO] running `"docker" "rm" "-f" "3801c38770fa50bf555f24edf461e8ed2e11fef98eb88768a3b3abd1d5338881"`
[INFO] [stdout] 3801c38770fa50bf555f24edf461e8ed2e11fef98eb88768a3b3abd1d5338881