[INFO] cloning repository https://github.com/python128/Logger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/python128/Logger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpython128%2FLogger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpython128%2FLogger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f31b20bae62e8baf30d9ced581c72f9a103b9339
[INFO] checking python128/Logger/f31b20bae62e8baf30d9ced581c72f9a103b9339 against master#1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492 for pr-118553-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpython128%2FLogger" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/python128/Logger on toolchain 1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/python128/Logger
[INFO] finished tweaking git repo https://github.com/python128/Logger
[INFO] tweaked toml for git repo https://github.com/python128/Logger written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/python128/Logger 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" "+1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ae42c0f2ea6ec4638748563c2605472fe353154f9f36b7855f5c0e0eacd6011
[INFO] running `Command { std: "docker" "start" "-a" "3ae42c0f2ea6ec4638748563c2605472fe353154f9f36b7855f5c0e0eacd6011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ae42c0f2ea6ec4638748563c2605472fe353154f9f36b7855f5c0e0eacd6011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae42c0f2ea6ec4638748563c2605472fe353154f9f36b7855f5c0e0eacd6011", kill_on_drop: false }`
[INFO] [stdout] 3ae42c0f2ea6ec4638748563c2605472fe353154f9f36b7855f5c0e0eacd6011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a922bf875f1bfb03f137cbf0503b8d1cc6a1ec17f89e6425ca50e535ef78b19c
[INFO] running `Command { std: "docker" "start" "-a" "a922bf875f1bfb03f137cbf0503b8d1cc6a1ec17f89e6425ca50e535ef78b19c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Tag` is never constructed
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Tag {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tag` is never constructed
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Tag {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "a922bf875f1bfb03f137cbf0503b8d1cc6a1ec17f89e6425ca50e535ef78b19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a922bf875f1bfb03f137cbf0503b8d1cc6a1ec17f89e6425ca50e535ef78b19c", kill_on_drop: false }`
[INFO] [stdout] a922bf875f1bfb03f137cbf0503b8d1cc6a1ec17f89e6425ca50e535ef78b19c