[INFO] updating cached repository https://github.com/rtyler/hotdog
[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] [stderr] From https://github.com/rtyler/hotdog
[INFO] [stderr]    6016a1b..f6d4b0a  master     -> master
[INFO] [stderr]  * [new tag]         v0.2.1     -> v0.2.1
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f6d4b0aebe9854b25d9e962331a2c188d4f06582
[INFO] checking rtyler/hotdog against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtyler%2Fhotdog" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rtyler/hotdog on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rtyler/hotdog
[INFO] finished tweaking git repo https://github.com/rtyler/hotdog
[INFO] tweaked toml for git repo https://github.com/rtyler/hotdog written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rtyler/hotdog already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] e4e524c2660f832c814ceb8ae011093317dc46ca9833a8aabce2e83d6edc6978
[INFO] running `"docker" "start" "-a" "e4e524c2660f832c814ceb8ae011093317dc46ca9833a8aabce2e83d6edc6978"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.53
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[INFO] [stderr]    Compiling num-traits v0.2.11
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[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]    Compiling openssl-sys v0.9.56
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking num v0.2.1
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[INFO] [stderr]     Checking pretty_env_logger v0.3.1
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[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking syslog_loose v0.2.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-tls v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.53
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[INFO] [stderr]     Checking serde_regex v0.4.0
[INFO] [stderr]     Checking handlebars v3.0.1
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling jmespath v0.2.0 (https://github.com/jmespath/jmespath.rs#6a0b4c29)
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]     Checking num_enum v0.4.3
[INFO] [stderr]     Checking rdkafka v0.23.1
[INFO] [stderr]     Checking hotdog v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `to_merge`
[INFO] [stderr]    --> src/main.rs:522:13
[INFO] [stderr]     |
[INFO] [stderr] 522 |         let to_merge = r#"{}"#;
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_to_merge`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:484:9
[INFO] [stderr]     |
[INFO] [stderr] 484 |         hb.register_template_string(&template_id, "{}");
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:500:9
[INFO] [stderr]     |
[INFO] [stderr] 500 |         hb.register_template_string(&template_id, "[1]");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:517:9
[INFO] [stderr]     |
[INFO] [stderr] 517 |         hb.register_template_string(&template_id, "{}");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:535:9
[INFO] [stderr]     |
[INFO] [stderr] 535 |         hb.register_template_string(&template_id, r#"{"hello":1}"#);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:551:9
[INFO] [stderr]     |
[INFO] [stderr] 551 |         hb.register_template_string(&template_id, r#"{"hello":"{{name}}"}"#);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 31s
[INFO] running `"docker" "inspect" "e4e524c2660f832c814ceb8ae011093317dc46ca9833a8aabce2e83d6edc6978"`
[INFO] running `"docker" "rm" "-f" "e4e524c2660f832c814ceb8ae011093317dc46ca9833a8aabce2e83d6edc6978"`
[INFO] [stdout] e4e524c2660f832c814ceb8ae011093317dc46ca9833a8aabce2e83d6edc6978