[INFO] updating cached repository https://github.com/jparoz/yakka
[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] 64c8c904b1ecf61828d64167a4211c8136920280
[INFO] checking jparoz/yakka against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjparoz%2Fyakka" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jparoz/yakka on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jparoz/yakka
[INFO] finished tweaking git repo https://github.com/jparoz/yakka
[INFO] tweaked toml for git repo https://github.com/jparoz/yakka written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jparoz/yakka already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 73e2bb43f98ff33ce07b94b866cde0fbfe1a0f4102527537c7036d3bf47b9b53
[INFO] running `"docker" "start" "-a" "73e2bb43f98ff33ce07b94b866cde0fbfe1a0f4102527537c7036d3bf47b9b53"`
[INFO] [stderr]     Checking serde v1.0.19
[INFO] [stderr]     Checking lazy_static v0.2.10
[INFO] [stderr]     Checking serde_json v1.0.6
[INFO] [stderr]     Checking yakka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/entry.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / macro_rules! entry {
[INFO] [stderr] 9  | |     ($text:expr) => {
[INFO] [stderr] 10 | |         Entry {
[INFO] [stderr] 11 | |             text: $text.to_string(),
[INFO] [stderr] ...  |
[INFO] [stderr] 28 | |     };
[INFO] [stderr] 29 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     lazy_static! {
[INFO] [stderr] 16 | |         static ref ROOT: Vec<Entry> = {
[INFO] [stderr] 17 | |             let mut root: Vec<Entry> = Vec::new();
[INFO] [stderr] 18 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |         };
[INFO] [stderr] 27 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | /     lazy_static! {
[INFO] [stderr] 16 | |         static ref ROOT: Vec<Entry> = {
[INFO] [stderr] 17 | |             let mut root: Vec<Entry> = Vec::new();
[INFO] [stderr] 18 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |         };
[INFO] [stderr] 27 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.27s
[INFO] running `"docker" "inspect" "73e2bb43f98ff33ce07b94b866cde0fbfe1a0f4102527537c7036d3bf47b9b53"`
[INFO] running `"docker" "rm" "-f" "73e2bb43f98ff33ce07b94b866cde0fbfe1a0f4102527537c7036d3bf47b9b53"`
[INFO] [stdout] 73e2bb43f98ff33ce07b94b866cde0fbfe1a0f4102527537c7036d3bf47b9b53