[INFO] cloning repository https://github.com/nebulaa44/5deam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nebulaa44/5deam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebulaa44%2F5deam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebulaa44%2F5deam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebf6bc651a6460a289760eb24d71155192f800f5
[INFO] checking nebulaa44/5deam against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebulaa44%2F5deam" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nebulaa44/5deam 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/nebulaa44/5deam
[INFO] finished tweaking git repo https://github.com/nebulaa44/5deam
[INFO] tweaked toml for git repo https://github.com/nebulaa44/5deam written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nebulaa44/5deam 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 ipnet v2.7.2
[INFO] [stderr]   Downloaded openssl-sys v0.9.88
[INFO] [stderr]   Downloaded h2 v0.3.19
[INFO] [stderr]   Downloaded openssl v0.10.54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 386a1bac8f2d4759664f0bd45ce91d58cfd0f7f8d848b46f236ec7d0c67365eb
[INFO] running `Command { std: "docker" "start" "-a" "386a1bac8f2d4759664f0bd45ce91d58cfd0f7f8d848b46f236ec7d0c67365eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "386a1bac8f2d4759664f0bd45ce91d58cfd0f7f8d848b46f236ec7d0c67365eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386a1bac8f2d4759664f0bd45ce91d58cfd0f7f8d848b46f236ec7d0c67365eb", kill_on_drop: false }`
[INFO] [stdout] 386a1bac8f2d4759664f0bd45ce91d58cfd0f7f8d848b46f236ec7d0c67365eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c10c79b86861079626a6d96762fda6caaac928693f3db56738ff62be3960774a
[INFO] running `Command { std: "docker" "start" "-a" "c10c79b86861079626a6d96762fda6caaac928693f3db56738ff62be3960774a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling openssl v0.10.54
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling openssl-sys v0.9.88
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking clap_builder v4.3.4
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking clap v4.3.4
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.19
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.26
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking deam v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/levels_txt.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{self, File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/levels_txt.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{self, File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_level` is never used
[INFO] [stdout]   --> src/levels_txt.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn add_level(_level_string: String) -> Result<(), Box<dyn Error>>
[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: function `add_level` is never used
[INFO] [stdout]   --> src/levels_txt.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn add_level(_level_string: String) -> Result<(), Box<dyn Error>>
[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 39.17s
[INFO] running `Command { std: "docker" "inspect" "c10c79b86861079626a6d96762fda6caaac928693f3db56738ff62be3960774a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10c79b86861079626a6d96762fda6caaac928693f3db56738ff62be3960774a", kill_on_drop: false }`
[INFO] [stdout] c10c79b86861079626a6d96762fda6caaac928693f3db56738ff62be3960774a
[INFO] checking nebulaa44/5deam against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnebulaa44%2F5deam" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nebulaa44/5deam on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nebulaa44/5deam
[INFO] finished tweaking git repo https://github.com/nebulaa44/5deam
[INFO] tweaked toml for git repo https://github.com/nebulaa44/5deam written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nebulaa44/5deam 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8241d2b3e61fcce8debc7c421d38b19ae949b6a1030ab277a61e2ef3ce7ba75b
[INFO] running `Command { std: "docker" "start" "-a" "8241d2b3e61fcce8debc7c421d38b19ae949b6a1030ab277a61e2ef3ce7ba75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8241d2b3e61fcce8debc7c421d38b19ae949b6a1030ab277a61e2ef3ce7ba75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8241d2b3e61fcce8debc7c421d38b19ae949b6a1030ab277a61e2ef3ce7ba75b", kill_on_drop: false }`
[INFO] [stdout] 8241d2b3e61fcce8debc7c421d38b19ae949b6a1030ab277a61e2ef3ce7ba75b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 303a4f9b1264787b4a1108b7771450894e8b781562f96b5cf49f7568b91bbca2
[INFO] running `Command { std: "docker" "start" "-a" "303a4f9b1264787b4a1108b7771450894e8b781562f96b5cf49f7568b91bbca2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling rustix v0.37.20
[INFO] [stderr]    Compiling openssl v0.10.54
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling openssl-sys v0.9.88
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.164
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking clap_builder v4.3.4
[INFO] [stderr]     Checking clap v4.3.4
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.3.19
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.26
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking deam v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/levels_txt.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{self, File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/levels_txt.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{self, File, OpenOptions};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_level` is never used
[INFO] [stdout]   --> src/levels_txt.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn add_level(_level_string: String) -> Result<(), Box<dyn Error>>
[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: function `add_level` is never used
[INFO] [stdout]   --> src/levels_txt.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn add_level(_level_string: String) -> Result<(), Box<dyn Error>>
[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 48.57s
[INFO] running `Command { std: "docker" "inspect" "303a4f9b1264787b4a1108b7771450894e8b781562f96b5cf49f7568b91bbca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303a4f9b1264787b4a1108b7771450894e8b781562f96b5cf49f7568b91bbca2", kill_on_drop: false }`
[INFO] [stdout] 303a4f9b1264787b4a1108b7771450894e8b781562f96b5cf49f7568b91bbca2