[INFO] fetching crate file-utils 0.1.5...
[INFO] checking file-utils-0.1.5 against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] extracting crate file-utils 0.1.5 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate file-utils 0.1.5 on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate file-utils 0.1.5
[INFO] finished tweaking crates.io crate file-utils 0.1.5
[INFO] tweaked toml for crates.io crate file-utils 0.1.5 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1d141df87b6ec4910b645197de28318803dfb136bffdcd6e1ecd72b88fcfcf4
[INFO] running `Command { std: "docker" "start" "-a" "a1d141df87b6ec4910b645197de28318803dfb136bffdcd6e1ecd72b88fcfcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d141df87b6ec4910b645197de28318803dfb136bffdcd6e1ecd72b88fcfcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d141df87b6ec4910b645197de28318803dfb136bffdcd6e1ecd72b88fcfcf4", kill_on_drop: false }`
[INFO] [stdout] a1d141df87b6ec4910b645197de28318803dfb136bffdcd6e1ecd72b88fcfcf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 346046ebe471f91fd1e7d83c907eb9a98c4a5ffd0c0709e299ea2c282f090441
[INFO] running `Command { std: "docker" "start" "-a" "346046ebe471f91fd1e7d83c907eb9a98c4a5ffd0c0709e299ea2c282f090441", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking file-utils v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `file_utils::write::Write`
[INFO] [stdout]  --> tests/read_tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use file_utils::write::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 2.22s
[INFO] running `Command { std: "docker" "inspect" "346046ebe471f91fd1e7d83c907eb9a98c4a5ffd0c0709e299ea2c282f090441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346046ebe471f91fd1e7d83c907eb9a98c4a5ffd0c0709e299ea2c282f090441", kill_on_drop: false }`
[INFO] [stdout] 346046ebe471f91fd1e7d83c907eb9a98c4a5ffd0c0709e299ea2c282f090441