[INFO] cloning repository https://github.com/danbruder/syncz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danbruder/syncz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruder%2Fsyncz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruder%2Fsyncz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15dae6357fbf23757fd2434983bdc481f1acce26
[INFO] checking danbruder/syncz against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruder%2Fsyncz" "/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/danbruder/syncz 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/danbruder/syncz
[INFO] finished tweaking git repo https://github.com/danbruder/syncz
[INFO] tweaked toml for git repo https://github.com/danbruder/syncz written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/danbruder/syncz 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] 2cbc86ab973bdf446ebc2667c22c1d897b30b9f2d50564f47d219cc60e061c19
[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" "2cbc86ab973bdf446ebc2667c22c1d897b30b9f2d50564f47d219cc60e061c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cbc86ab973bdf446ebc2667c22c1d897b30b9f2d50564f47d219cc60e061c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbc86ab973bdf446ebc2667c22c1d897b30b9f2d50564f47d219cc60e061c19", kill_on_drop: false }`
[INFO] [stdout] 2cbc86ab973bdf446ebc2667c22c1d897b30b9f2d50564f47d219cc60e061c19
[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] 91446eba5e1a48adc1fbea722a51a2518a0cd8acfefa0e9d4d04e2aa800e7e89
[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" "91446eba5e1a48adc1fbea722a51a2518a0cd8acfefa0e9d4d04e2aa800e7e89", kill_on_drop: false }`
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking yee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Timestamp`
[INFO] [stdout]  --> src/hlc.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Timestamp {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/hlc.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(millis: i64, counter: i64, node: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]   --> src/hlc.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/hlc.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn send(&mut self) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/hlc.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn send(&mut self) -> Result<(), String> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "91446eba5e1a48adc1fbea722a51a2518a0cd8acfefa0e9d4d04e2aa800e7e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91446eba5e1a48adc1fbea722a51a2518a0cd8acfefa0e9d4d04e2aa800e7e89", kill_on_drop: false }`
[INFO] [stdout] 91446eba5e1a48adc1fbea722a51a2518a0cd8acfefa0e9d4d04e2aa800e7e89