[INFO] cloning repository https://github.com/Flixis/chat_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Flixis/chat_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlixis%2Fchat_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlixis%2Fchat_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbe787b3c336ebbd33c4cd3b77049adb77e7d651
[INFO] checking Flixis/chat_rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFlixis%2Fchat_rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Flixis/chat_rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Flixis/chat_rs
[INFO] finished tweaking git repo https://github.com/Flixis/chat_rs
[INFO] tweaked toml for git repo https://github.com/Flixis/chat_rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Flixis/chat_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.12.1
[INFO] [stderr]   Downloaded syn v2.0.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 388cdc68c6e73a8c8f707bde9457f516d58db4d943bec502931ec64cc32c62e6
[INFO] running `Command { std: "docker" "start" "-a" "388cdc68c6e73a8c8f707bde9457f516d58db4d943bec502931ec64cc32c62e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "388cdc68c6e73a8c8f707bde9457f516d58db4d943bec502931ec64cc32c62e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388cdc68c6e73a8c8f707bde9457f516d58db4d943bec502931ec64cc32c62e6", kill_on_drop: false }`
[INFO] [stdout] 388cdc68c6e73a8c8f707bde9457f516d58db4d943bec502931ec64cc32c62e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f08bca174735c989a75f863bcf13542ecd7a09e49e2a9b31bd0a1c31b20a3a2
[INFO] running `Command { std: "docker" "start" "-a" "5f08bca174735c989a75f863bcf13542ecd7a09e49e2a9b31bd0a1c31b20a3a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.71
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking whoami v1.4.1
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.42
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking uuid v1.7.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking chrono v0.4.33
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking simplelog v0.12.1
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking chat_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `whoami` is imported redundantly
[INFO] [stdout]  --> src/logging_settings.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use whoami;
[INFO] [stdout]   |     ^^^^^^ the item `whoami` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `whoami` is imported redundantly
[INFO] [stdout]  --> src/logging_settings.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use whoami;
[INFO] [stdout]   |     ^^^^^^ the item `whoami` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `description` and `privilege_level` are never read
[INFO] [stdout]   --> src/commands.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct CommandInfo {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 14 |     pub name: String,
[INFO] [stdout] 15 |     pub description: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 16 |     pub privilege_level: Option<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `description` and `privilege_level` are never read
[INFO] [stdout]   --> src/commands.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct CommandInfo {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 14 |     pub name: String,
[INFO] [stdout] 15 |     pub description: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 16 |     pub privilege_level: Option<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.50s
[INFO] running `Command { std: "docker" "inspect" "5f08bca174735c989a75f863bcf13542ecd7a09e49e2a9b31bd0a1c31b20a3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f08bca174735c989a75f863bcf13542ecd7a09e49e2a9b31bd0a1c31b20a3a2", kill_on_drop: false }`
[INFO] [stdout] 5f08bca174735c989a75f863bcf13542ecd7a09e49e2a9b31bd0a1c31b20a3a2