[INFO] updating cached repository https://github.com/FuzzyLitchi/chat
[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] bafeb34173efe3ebb6d06124a5e0bcb77dee8be6
[INFO] checking FuzzyLitchi/chat against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzzyLitchi%2Fchat" "/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/FuzzyLitchi/chat on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/FuzzyLitchi/chat
[INFO] finished tweaking git repo https://github.com/FuzzyLitchi/chat
[INFO] tweaked toml for git repo https://github.com/FuzzyLitchi/chat written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/FuzzyLitchi/chat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "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-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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 6f7c320a46668c84bdfdf6eca6c3296e1d655a766a97c45550abb9875f4154be
[INFO] running `"docker" "start" "-a" "6f7c320a46668c84bdfdf6eca6c3296e1d655a766a97c45550abb9875f4154be"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.42
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking bcrypt v0.6.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `create_database`
[INFO] [stderr]  --> src/database.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn create_database(conn: &Connection) -> Result<(), Error> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `register`
[INFO] [stderr]   --> src/database.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn register(username: &str, password: &str, conn: &Connection) -> Result<(), Error> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_database`
[INFO] [stderr]  --> src/database.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn create_database(conn: &Connection) -> Result<(), Error> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `register`
[INFO] [stderr]   --> src/database.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn register(username: &str, password: &str, conn: &Connection) -> Result<(), Error> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `"docker" "inspect" "6f7c320a46668c84bdfdf6eca6c3296e1d655a766a97c45550abb9875f4154be"`
[INFO] running `"docker" "rm" "-f" "6f7c320a46668c84bdfdf6eca6c3296e1d655a766a97c45550abb9875f4154be"`
[INFO] [stdout] 6f7c320a46668c84bdfdf6eca6c3296e1d655a766a97c45550abb9875f4154be