[INFO] fetching crate file-utils 0.1.5...
[INFO] checking file-utils-0.1.5 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate file-utils 0.1.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate file-utils 0.1.5 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 89048bb10416e17acaa19279257960bc6dda428432e6ac4d4817e1c4ad37f29a
[INFO] running `Command { std: "docker" "start" "-a" "89048bb10416e17acaa19279257960bc6dda428432e6ac4d4817e1c4ad37f29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89048bb10416e17acaa19279257960bc6dda428432e6ac4d4817e1c4ad37f29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89048bb10416e17acaa19279257960bc6dda428432e6ac4d4817e1c4ad37f29a", kill_on_drop: false }`
[INFO] [stdout] 89048bb10416e17acaa19279257960bc6dda428432e6ac4d4817e1c4ad37f29a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00cba0b259992ed55c8f7d4f43863e6942263256baf8c5dbdd54d4967298eb65
[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" "00cba0b259992ed55c8f7d4f43863e6942263256baf8c5dbdd54d4967298eb65", kill_on_drop: false }`
[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 0.74s
[INFO] running `Command { std: "docker" "inspect" "00cba0b259992ed55c8f7d4f43863e6942263256baf8c5dbdd54d4967298eb65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00cba0b259992ed55c8f7d4f43863e6942263256baf8c5dbdd54d4967298eb65", kill_on_drop: false }`
[INFO] [stdout] 00cba0b259992ed55c8f7d4f43863e6942263256baf8c5dbdd54d4967298eb65