[INFO] fetching crate uu_df 0.0.3...
[INFO] checking uu_df-0.0.3 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate uu_df 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate uu_df 0.0.3 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uu_df 0.0.3
[INFO] finished tweaking crates.io crate uu_df 0.0.3
[INFO] tweaked toml for crates.io crate uu_df 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate uu_df 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dad7785a155e36e1f481fbec4fff087cd23508807b233bda601412c7974b3fd2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dad7785a155e36e1f481fbec4fff087cd23508807b233bda601412c7974b3fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dad7785a155e36e1f481fbec4fff087cd23508807b233bda601412c7974b3fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad7785a155e36e1f481fbec4fff087cd23508807b233bda601412c7974b3fd2", kill_on_drop: false }`
[INFO] [stdout] dad7785a155e36e1f481fbec4fff087cd23508807b233bda601412c7974b3fd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bf0db1a93ed9278e419b57c33e0d67390916abf7d2c078cfb50248984eb6d94
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7bf0db1a93ed9278e419b57c33e0d67390916abf7d2c078cfb50248984eb6d94", kill_on_drop: false }`
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking uu_df v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `print_grand_total`
[INFO] [stdout]    --> src/df.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     print_grand_total: bool,
[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: field is never read: `print_grand_total`
[INFO] [stdout]    --> src/df.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     print_grand_total: bool,
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "7bf0db1a93ed9278e419b57c33e0d67390916abf7d2c078cfb50248984eb6d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf0db1a93ed9278e419b57c33e0d67390916abf7d2c078cfb50248984eb6d94", kill_on_drop: false }`
[INFO] [stdout] 7bf0db1a93ed9278e419b57c33e0d67390916abf7d2c078cfb50248984eb6d94