[INFO] crate oxygengine-backend-web 0.5.5 is already in cache
[INFO] checking oxygengine-backend-web-0.5.5 against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766
[INFO] extracting crate oxygengine-backend-web 0.5.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate oxygengine-backend-web 0.5.5 on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate oxygengine-backend-web 0.5.5
[INFO] finished tweaking crates.io crate oxygengine-backend-web 0.5.5
[INFO] tweaked toml for crates.io crate oxygengine-backend-web 0.5.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0d26a65dcb8af8ede648bb9931e2600b8a7f0e30020e66efafb84c657e2718f8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "0d26a65dcb8af8ede648bb9931e2600b8a7f0e30020e66efafb84c657e2718f8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.58
[INFO] [stderr]    Compiling web-sys v0.3.35
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking typid v1.0.1
[INFO] [stderr]     Checking oxygengine-core v0.5.6
[INFO] [stderr]     Checking oxygengine-backend-web v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `js_sys::Promise` that must be used
[INFO] [stderr]   --> src/fetch.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         future_to_promise(future);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `js_sys::Promise` that must be used
[INFO] [stderr]   --> src/fetch.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         future_to_promise(future);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.21s
[INFO] running `"docker" "inspect" "0d26a65dcb8af8ede648bb9931e2600b8a7f0e30020e66efafb84c657e2718f8"`
[INFO] running `"docker" "rm" "-f" "0d26a65dcb8af8ede648bb9931e2600b8a7f0e30020e66efafb84c657e2718f8"`
[INFO] [stdout] 0d26a65dcb8af8ede648bb9931e2600b8a7f0e30020e66efafb84c657e2718f8