[INFO] cloning repository https://github.com/sabry-awad97/single_line_logger_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sabry-awad97/single_line_logger_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabry-awad97%2Fsingle_line_logger_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabry-awad97%2Fsingle_line_logger_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a28c3b52c4806901d1d8488c60265acc0b3daf22
[INFO] checking sabry-awad97/single_line_logger_rust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabry-awad97%2Fsingle_line_logger_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sabry-awad97/single_line_logger_rust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sabry-awad97/single_line_logger_rust
[INFO] finished tweaking git repo https://github.com/sabry-awad97/single_line_logger_rust
[INFO] tweaked toml for git repo https://github.com/sabry-awad97/single_line_logger_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sabry-awad97/single_line_logger_rust 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termsize v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bdfc9a324ef3158ecb2658d80e242beaa608c5d512aa0cc4f034462783ade3e
[INFO] running `Command { std: "docker" "start" "-a" "6bdfc9a324ef3158ecb2658d80e242beaa608c5d512aa0cc4f034462783ade3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bdfc9a324ef3158ecb2658d80e242beaa608c5d512aa0cc4f034462783ade3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bdfc9a324ef3158ecb2658d80e242beaa608c5d512aa0cc4f034462783ade3e", kill_on_drop: false }`
[INFO] [stdout] 6bdfc9a324ef3158ecb2658d80e242beaa608c5d512aa0cc4f034462783ade3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 891652692ba0685dedec72e64aa42a9f02a45b30b6536b7ccc7afdd20f620557
[INFO] running `Command { std: "docker" "start" "-a" "891652692ba0685dedec72e64aa42a9f02a45b30b6536b7ccc7afdd20f620557", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termsize v0.1.6
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking single_line_logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `LogMessage` is never constructed
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct LogMessage {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogMessage` is never constructed
[INFO] [stdout]   --> src/main.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct LogMessage {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_log_level_threshold` is never used
[INFO] [stdout]    --> src/main.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 29  | impl<W: Write> SingleLineLogger<W> {
[INFO] [stdout]     | ---------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn get_log_level_threshold(&self) -> LogLevel {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_log_level_threshold` is never used
[INFO] [stdout]    --> src/main.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 29  | impl<W: Write> SingleLineLogger<W> {
[INFO] [stdout]     | ---------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 101 |     fn get_log_level_threshold(&self) -> LogLevel {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "891652692ba0685dedec72e64aa42a9f02a45b30b6536b7ccc7afdd20f620557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891652692ba0685dedec72e64aa42a9f02a45b30b6536b7ccc7afdd20f620557", kill_on_drop: false }`
[INFO] [stdout] 891652692ba0685dedec72e64aa42a9f02a45b30b6536b7ccc7afdd20f620557