[INFO] updating cached repository https://github.com/bumzack/rust-parser-combinator
[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] 7ee91079fdf48b75bcac032ce9dc09fd2fac24ea
[INFO] testing bumzack/rust-parser-combinator against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumzack%2Frust-parser-combinator" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bumzack/rust-parser-combinator on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bumzack/rust-parser-combinator
[INFO] finished tweaking git repo https://github.com/bumzack/rust-parser-combinator
[INFO] tweaked toml for git repo https://github.com/bumzack/rust-parser-combinator written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/bumzack/rust-parser-combinator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 2c10081a90b60ecec5b5d6f47270b23b4661934aaf6d69a13eebbff84b019ced
[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" "2c10081a90b60ecec5b5d6f47270b23b4661934aaf6d69a13eebbff84b019ced"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling parser_combinator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::process::Output`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::process::Output;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0618]: expected function, found `impl Parser<'_, ((), std::string::String)>`
[INFO] [stderr]    --> src/main.rs:169:16
[INFO] [stderr]     |
[INFO] [stderr] 167 |     let tag_opener = pair(match_literal("<"), identifier);
[INFO] [stderr]     |         ---------- `impl Parser<'_, ((), std::string::String)>` defined here
[INFO] [stderr] 168 |     assert_eq!(Ok(("/>", ((), "my-first-element".to_string()))),
[INFO] [stderr] 169 |                tag_opener("<my-first-element/>"));
[INFO] [stderr]     |                ^^^^^^^^^^-----------------------
[INFO] [stderr]     |                |
[INFO] [stderr]     |                call expression requires function
[INFO] [stderr] 
[INFO] [stderr] error[E0618]: expected function, found `impl Parser<'_, ((), std::string::String)>`
[INFO] [stderr]    --> src/main.rs:171:29
[INFO] [stderr]     |
[INFO] [stderr] 167 |     let tag_opener = pair(match_literal("<"), identifier);
[INFO] [stderr]     |         ---------- `impl Parser<'_, ((), std::string::String)>` defined here
[INFO] [stderr] ...
[INFO] [stderr] 171 |     assert_eq!(Err("oops"), tag_opener("oops"));
[INFO] [stderr]     |                             ^^^^^^^^^^--------
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             call expression requires function
[INFO] [stderr] 
[INFO] [stderr] error[E0618]: expected function, found `impl Parser<'_, ((), std::string::String)>`
[INFO] [stderr]    --> src/main.rs:172:30
[INFO] [stderr]     |
[INFO] [stderr] 167 |     let tag_opener = pair(match_literal("<"), identifier);
[INFO] [stderr]     |         ---------- `impl Parser<'_, ((), std::string::String)>` defined here
[INFO] [stderr] ...
[INFO] [stderr] 172 |     assert_eq!(Err("!oops"), tag_opener("<!oops"));
[INFO] [stderr]     |                              ^^^^^^^^^^----------
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              call expression requires function
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0618`.
[INFO] [stderr] error: could not compile `parser_combinator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2c10081a90b60ecec5b5d6f47270b23b4661934aaf6d69a13eebbff84b019ced"`
[INFO] running `"docker" "rm" "-f" "2c10081a90b60ecec5b5d6f47270b23b4661934aaf6d69a13eebbff84b019ced"`
[INFO] [stdout] 2c10081a90b60ecec5b5d6f47270b23b4661934aaf6d69a13eebbff84b019ced