[INFO] updating cached repository https://github.com/liberodark/wsync
[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] 2f0b3a0adbbb098be2c7c818048c00fe4c4e7baa
[INFO] checking liberodark/wsync against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliberodark%2Fwsync" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/liberodark/wsync on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/liberodark/wsync
[INFO] finished tweaking git repo https://github.com/liberodark/wsync
[INFO] tweaked toml for git repo https://github.com/liberodark/wsync written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/liberodark/wsync already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "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] 3bb8d6d5cbea0f128dd790287e124da88c885a0f100f51ec882db33f4f9c51a2
[INFO] running `"docker" "start" "-a" "3bb8d6d5cbea0f128dd790287e124da88c885a0f100f51ec882db33f4f9c51a2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking wsync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `is_dir`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let is_dir = regex::Regex::new("text/html")
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_is_dir`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_dir`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let is_dir = regex::Regex::new("text/html")
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_is_dir`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.39s
[INFO] running `"docker" "inspect" "3bb8d6d5cbea0f128dd790287e124da88c885a0f100f51ec882db33f4f9c51a2"`
[INFO] running `"docker" "rm" "-f" "3bb8d6d5cbea0f128dd790287e124da88c885a0f100f51ec882db33f4f9c51a2"`
[INFO] [stdout] 3bb8d6d5cbea0f128dd790287e124da88c885a0f100f51ec882db33f4f9c51a2