[INFO] fetching crate nne_core 0.1.0...
[INFO] checking nne_core-0.1.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate nne_core 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nne_core 0.1.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nne_core 0.1.0
[INFO] finished tweaking crates.io crate nne_core 0.1.0
[INFO] tweaked toml for crates.io crate nne_core 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+90442458ac46b1d5eed752c316da25450f67285b" "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] add4075f04ec6c892bac51801c264523f09565e437d1223cf4d33d6864613e78
[INFO] running `Command { std: "docker" "start" "-a" "add4075f04ec6c892bac51801c264523f09565e437d1223cf4d33d6864613e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "add4075f04ec6c892bac51801c264523f09565e437d1223cf4d33d6864613e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add4075f04ec6c892bac51801c264523f09565e437d1223cf4d33d6864613e78", kill_on_drop: false }`
[INFO] [stdout] add4075f04ec6c892bac51801c264523f09565e437d1223cf4d33d6864613e78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] eacec53a1cb99f70de2083f3d9a92ab84b89c0beeed2233db5deb769f40d5a8d
[INFO] running `Command { std: "docker" "start" "-a" "eacec53a1cb99f70de2083f3d9a92ab84b89c0beeed2233db5deb769f40d5a8d", kill_on_drop: false }`
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking nne_core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::open`
[INFO] [stdout]  --> src/fs/write.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::open;
[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 0.95s
[INFO] running `Command { std: "docker" "inspect" "eacec53a1cb99f70de2083f3d9a92ab84b89c0beeed2233db5deb769f40d5a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eacec53a1cb99f70de2083f3d9a92ab84b89c0beeed2233db5deb769f40d5a8d", kill_on_drop: false }`
[INFO] [stdout] eacec53a1cb99f70de2083f3d9a92ab84b89c0beeed2233db5deb769f40d5a8d