[INFO] cloning repository https://github.com/toolbisoftware/commonlib-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toolbisoftware/commonlib-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoolbisoftware%2Fcommonlib-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoolbisoftware%2Fcommonlib-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 593c35f34020d918db09e405735b522a2e603261
[INFO] checking toolbisoftware/commonlib-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoolbisoftware%2Fcommonlib-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/toolbisoftware/commonlib-rs 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/toolbisoftware/commonlib-rs
[INFO] finished tweaking git repo https://github.com/toolbisoftware/commonlib-rs
[INFO] tweaked toml for git repo https://github.com/toolbisoftware/commonlib-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/toolbisoftware/commonlib-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded is_ci v1.2.0
[INFO] [stderr]   Downloaded supports-color v3.0.0
[INFO] [stderr]   Downloaded cc v1.1.1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "e5d734cf92db54bc41d751c6293f2c5154d484bea1929dc6557a10c3f93e7a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5d734cf92db54bc41d751c6293f2c5154d484bea1929dc6557a10c3f93e7a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d734cf92db54bc41d751c6293f2c5154d484bea1929dc6557a10c3f93e7a09", kill_on_drop: false }`
[INFO] [stdout] e5d734cf92db54bc41d751c6293f2c5154d484bea1929dc6557a10c3f93e7a09
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab54d97085b35047fed4294f27bd59a4bed64bcba492f1a7842453af50a1afbd
[INFO] running `Command { std: "docker" "start" "-a" "ab54d97085b35047fed4294f27bd59a4bed64bcba492f1a7842453af50a1afbd", kill_on_drop: false }`
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[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking log v0.4.22
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[INFO] [stderr]    Compiling serde_derive v1.0.204
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[INFO] [stdout] warning: method `init_async` is never used
[INFO] [stdout]   --> crates/commonlib/src/logger/file.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl FileLogger {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |   pub async fn init_async(self) -> Result<(), Error> {
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `init_async` is never used
[INFO] [stdout]   --> crates/commonlib/src/logger/file.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl FileLogger {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 69 |   pub async fn init_async(self) -> Result<(), Error> {
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking playground v0.0.1 (/opt/rustwide/workdir/crates/playground)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.62s
[INFO] running `Command { std: "docker" "inspect" "ab54d97085b35047fed4294f27bd59a4bed64bcba492f1a7842453af50a1afbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab54d97085b35047fed4294f27bd59a4bed64bcba492f1a7842453af50a1afbd", kill_on_drop: false }`
[INFO] [stdout] ab54d97085b35047fed4294f27bd59a4bed64bcba492f1a7842453af50a1afbd