[INFO] crate dementia 0.0.5 is already in cache
[INFO] checking dementia-0.0.5 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[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 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "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] 2c7618e6b845e05e778351f6c04881ba3f9c9e6d46ffd26d490b07ab230e3c5c
[INFO] running `"docker" "start" "-a" "2c7618e6b845e05e778351f6c04881ba3f9c9e6d46ffd26d490b07ab230e3c5c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[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: if this is intentional, prefix it with an underscore: `_si`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `"docker" "inspect" "2c7618e6b845e05e778351f6c04881ba3f9c9e6d46ffd26d490b07ab230e3c5c"`
[INFO] running `"docker" "rm" "-f" "2c7618e6b845e05e778351f6c04881ba3f9c9e6d46ffd26d490b07ab230e3c5c"`
[INFO] [stdout] 2c7618e6b845e05e778351f6c04881ba3f9c9e6d46ffd26d490b07ab230e3c5c