[INFO] updating cached repository https://github.com/gmorer/lifetime_error
[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] [stderr] From https://github.com/gmorer/lifetime_error
[INFO] [stderr]    9116938..5396304  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 539630421c01f07ed0c92e7aa2bf13306bf56943
[INFO] checking gmorer/lifetime_error against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgmorer%2Flifetime_error" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gmorer/lifetime_error on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gmorer/lifetime_error
[INFO] finished tweaking git repo https://github.com/gmorer/lifetime_error
[INFO] tweaked toml for git repo https://github.com/gmorer/lifetime_error written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/gmorer/lifetime_error already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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] 0b8a42e1624e8058fc84aa1611e063683d32a1ad43e6451288abf16014d26044
[INFO] running `"docker" "start" "-a" "0b8a42e1624e8058fc84aa1611e063683d32a1ad43e6451288abf16014d26044"`
[INFO] [stderr]     Checking raii-counter v0.2.1
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]    Compiling tarpc-plugins v0.7.0
[INFO] [stderr]     Checking tokio v0.2.9
[INFO] [stderr]     Checking actix-threadpool v0.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-service v1.0.5
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking sled v0.30.3
[INFO] [stderr]     Checking tokio-serde v0.6.0
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking actix-rt v1.0.0
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking tarpc v0.20.0
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-server v1.0.1
[INFO] [stderr]     Checking actix-tls v1.0.0
[INFO] [stderr]     Checking actix-connect v1.0.2
[INFO] [stderr]     Checking actix-testing v1.0.0
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]     Checking archi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `to_json_string`
[INFO] [stderr]   --> src/archi/utils.rs:20:2
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn to_json_string(&self) ->  String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/archi/login.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 |             db.flush_async().await;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/archi/login.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |         db.remove(&user.username);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/archi/login.rs:56:3
[INFO] [stderr]    |
[INFO] [stderr] 56 |         db.flush_async().await;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/archi/login.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 |             db.flush_async().await;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/archi/login.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |         db.remove(&user.username);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/archi/login.rs:56:3
[INFO] [stderr]    |
[INFO] [stderr] 56 |         db.flush_async().await;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 49s
[INFO] running `"docker" "inspect" "0b8a42e1624e8058fc84aa1611e063683d32a1ad43e6451288abf16014d26044"`
[INFO] running `"docker" "rm" "-f" "0b8a42e1624e8058fc84aa1611e063683d32a1ad43e6451288abf16014d26044"`
[INFO] [stdout] 0b8a42e1624e8058fc84aa1611e063683d32a1ad43e6451288abf16014d26044