[INFO] updating cached repository https://github.com/benjaminmwilson/rust-webservice-helloworld
[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] 76fa9711d553619a132693425a3ed5ea9eb59e5b
[INFO] checking benjaminmwilson/rust-webservice-helloworld against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminmwilson%2Frust-webservice-helloworld" "/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/benjaminmwilson/rust-webservice-helloworld on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/benjaminmwilson/rust-webservice-helloworld
[INFO] finished tweaking git repo https://github.com/benjaminmwilson/rust-webservice-helloworld
[INFO] tweaked toml for git repo https://github.com/benjaminmwilson/rust-webservice-helloworld written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/benjaminmwilson/rust-webservice-helloworld already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 7be0ab3e11b5051a99eaafd9a2853a6eb09b517cda086fd1bf0b4fb188ade793
[INFO] running `"docker" "start" "-a" "7be0ab3e11b5051a99eaafd9a2853a6eb09b517cda086fd1bf0b4fb188ade793"`
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking nickel v0.11.0
[INFO] [stderr]     Checking rust-webservice-helloworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `MediaType`, `Options`
[INFO] [stderr]  --> src/main.rs:3:34
[INFO] [stderr]   |
[INFO] [stderr] 3 | use nickel::{Nickel, HttpRouter, MediaType, Options};
[INFO] [stderr]   |                                  ^^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MediaType`, `Options`
[INFO] [stderr]  --> src/main.rs:3:34
[INFO] [stderr]   |
[INFO] [stderr] 3 | use nickel::{Nickel, HttpRouter, MediaType, Options};
[INFO] [stderr]   |                                  ^^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.50s
[INFO] running `"docker" "inspect" "7be0ab3e11b5051a99eaafd9a2853a6eb09b517cda086fd1bf0b4fb188ade793"`
[INFO] running `"docker" "rm" "-f" "7be0ab3e11b5051a99eaafd9a2853a6eb09b517cda086fd1bf0b4fb188ade793"`
[INFO] [stdout] 7be0ab3e11b5051a99eaafd9a2853a6eb09b517cda086fd1bf0b4fb188ade793