[INFO] cloning repository https://github.com/michaelnutt2/dataset_utilities
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michaelnutt2/dataset_utilities" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelnutt2%2Fdataset_utilities", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelnutt2%2Fdataset_utilities'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b511bb300f9e06ae22d09d9f8a739698c684776
[INFO] checking michaelnutt2/dataset_utilities against master#9f48dedc9763334a587c66558974635807a113ed for pr-137394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaelnutt2%2Fdataset_utilities" "/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/michaelnutt2/dataset_utilities on toolchain 9f48dedc9763334a587c66558974635807a113ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaelnutt2/dataset_utilities
[INFO] finished tweaking git repo https://github.com/michaelnutt2/dataset_utilities
[INFO] tweaked toml for git repo https://github.com/michaelnutt2/dataset_utilities written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/michaelnutt2/dataset_utilities 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" "+9f48dedc9763334a587c66558974635807a113ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb58260cceaabebf00b9c4b80c55e223c8f2bfc92265366352afd417733d5cd3
[INFO] running `Command { std: "docker" "start" "-a" "cb58260cceaabebf00b9c4b80c55e223c8f2bfc92265366352afd417733d5cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb58260cceaabebf00b9c4b80c55e223c8f2bfc92265366352afd417733d5cd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb58260cceaabebf00b9c4b80c55e223c8f2bfc92265366352afd417733d5cd3", kill_on_drop: false }`
[INFO] [stdout] cb58260cceaabebf00b9c4b80c55e223c8f2bfc92265366352afd417733d5cd3
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eacb9c89a0240e65f005058d516698b0cc6ad45544a4f75c6d9e2f36d6001ba4
[INFO] running `Command { std: "docker" "start" "-a" "eacb9c89a0240e65f005058d516698b0cc6ad45544a4f75c6d9e2f36d6001ba4", kill_on_drop: false }`
[INFO] [stderr]     Checking dataset_utilities v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     use super::*;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "eacb9c89a0240e65f005058d516698b0cc6ad45544a4f75c6d9e2f36d6001ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eacb9c89a0240e65f005058d516698b0cc6ad45544a4f75c6d9e2f36d6001ba4", kill_on_drop: false }`
[INFO] [stdout] eacb9c89a0240e65f005058d516698b0cc6ad45544a4f75c6d9e2f36d6001ba4