[INFO] cloning repository https://github.com/jparoz/yakka
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jparoz/yakka" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjparoz%2Fyakka", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjparoz%2Fyakka'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64c8c904b1ecf61828d64167a4211c8136920280
[INFO] checking jparoz/yakka against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjparoz%2Fyakka" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jparoz/yakka on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jparoz/yakka already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a661a088f86cb7347513737ce80d15d0b36400626dab46af6e31ec37c4b81fff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a661a088f86cb7347513737ce80d15d0b36400626dab46af6e31ec37c4b81fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a661a088f86cb7347513737ce80d15d0b36400626dab46af6e31ec37c4b81fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a661a088f86cb7347513737ce80d15d0b36400626dab46af6e31ec37c4b81fff", kill_on_drop: false }`
[INFO] [stdout] a661a088f86cb7347513737ce80d15d0b36400626dab46af6e31ec37c4b81fff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f5b3a4dccb868e2b96c3ecc181cde7f4c15cb03d73bec2e6b65bd6819a5a160
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f5b3a4dccb868e2b96c3ecc181cde7f4c15cb03d73bec2e6b65bd6819a5a160", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking serde v1.0.19
[INFO] [stderr]     Checking lazy_static v0.2.10
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking serde_json v1.0.6
[INFO] [stderr]     Checking yakka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/entry.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / macro_rules! entry {
[INFO] [stdout] 9  | |     ($text:expr) => {
[INFO] [stdout] 10 | |         Entry {
[INFO] [stdout] 11 | |             text: $text.to_string(),
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |     };
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     lazy_static! {
[INFO] [stdout] 16 | |         static ref ROOT: Vec<Entry> = {
[INFO] [stdout] 17 | |             let mut root: Vec<Entry> = Vec::new();
[INFO] [stdout] 18 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |         };
[INFO] [stdout] 27 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     lazy_static! {
[INFO] [stdout] 16 | |         static ref ROOT: Vec<Entry> = {
[INFO] [stdout] 17 | |             let mut root: Vec<Entry> = Vec::new();
[INFO] [stdout] 18 | |
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |         };
[INFO] [stdout] 27 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.62s
[INFO] running `Command { std: "docker" "inspect" "8f5b3a4dccb868e2b96c3ecc181cde7f4c15cb03d73bec2e6b65bd6819a5a160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5b3a4dccb868e2b96c3ecc181cde7f4c15cb03d73bec2e6b65bd6819a5a160", kill_on_drop: false }`
[INFO] [stdout] 8f5b3a4dccb868e2b96c3ecc181cde7f4c15cb03d73bec2e6b65bd6819a5a160