[INFO] fetching crate dementia 0.0.5...
[INFO] checking dementia-0.0.5 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate dementia 0.0.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dementia 0.0.5 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate dementia 0.0.5
[INFO] finished tweaking crates.io crate dementia 0.0.5
[INFO] tweaked toml for crates.io crate dementia 0.0.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 5ee417e7f25ebaf80cd47ce72e3964f86fd0380e59b8225c9a4373dc0b85215e
[INFO] running `"docker" "start" "-a" "5ee417e7f25ebaf80cd47ce72e3964f86fd0380e59b8225c9a4373dc0b85215e"`
[INFO] [stderr]     Checking dementia v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Room`
[INFO] [stderr]  --> examples/main.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | use dementia::{Homeserver, Room, Message, RoomEvent};
[INFO] [stderr]   |                            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `si`
[INFO] [stderr]  --> examples/main.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let si = "MDAxZGxvY2F0aW9uIG1hdHJpeC5id2luZi5kZQowMDEzaWRlbnRpZmllciBrZXkKMDAxMGNpZCBnZW4gPSAxCjAwMmJjaWQgdXNlcl9pZCA9IEBtYXRyaXh0Om1hdHJpeC5id2luZi5kZQowMDE2Y2lkIHR5cGUgPSBhY2Nlc3MKMDAyMWNpZCBub25jZSA9IEVyT1ksNDk1dEVxZS1lZC4KMDAyZnNpZ25hdHVyZSBESGSWyma89x0dM_9_WwrJTsfFRi03CheiZ2qnY-D93wo";
[INFO] [stderr]   |         ^^ help: consider prefixing with an underscore: `_si`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `"docker" "inspect" "5ee417e7f25ebaf80cd47ce72e3964f86fd0380e59b8225c9a4373dc0b85215e"`
[INFO] running `"docker" "rm" "-f" "5ee417e7f25ebaf80cd47ce72e3964f86fd0380e59b8225c9a4373dc0b85215e"`
[INFO] [stdout] 5ee417e7f25ebaf80cd47ce72e3964f86fd0380e59b8225c9a4373dc0b85215e