[INFO] cloning repository https://github.com/Thog/blz-nx-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Thog/blz-nx-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThog%2Fblz-nx-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThog%2Fblz-nx-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3b7a3fc587f064ab5c86da0aaff8e7decea26be1 [INFO] checking Thog/blz-nx-rs against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThog%2Fblz-nx-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Thog/blz-nx-rs on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Thog/blz-nx-rs [INFO] finished tweaking git repo https://github.com/Thog/blz-nx-rs [INFO] tweaked toml for git repo https://github.com/Thog/blz-nx-rs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/Thog/blz-nx-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a268c7e95b7215639a17103c64f46249e3041265bd86d7d953052840c7f83762 [INFO] running `Command { std: "docker" "start" "-a" "a268c7e95b7215639a17103c64f46249e3041265bd86d7d953052840c7f83762", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a268c7e95b7215639a17103c64f46249e3041265bd86d7d953052840c7f83762", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a268c7e95b7215639a17103c64f46249e3041265bd86d7d953052840c7f83762", kill_on_drop: false }` [INFO] [stdout] a268c7e95b7215639a17103c64f46249e3041265bd86d7d953052840c7f83762 [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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 136fdfd21bffecec36108bb3ca86b4c7af9a1cc898b292005d4869946dcdfe52 [INFO] running `Command { std: "docker" "start" "-a" "136fdfd21bffecec36108bb3ca86b4c7af9a1cc898b292005d4869946dcdfe52", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking blz-nx v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 196 | &(compression_buffer[0..decompressed_buffer.len()]).copy_from_slice(&decompressed_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 196 | let _ = &(compression_buffer[0..decompressed_buffer.len()]).copy_from_slice(&decompressed_buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:196:9 [INFO] [stdout] | [INFO] [stdout] 196 | &(compression_buffer[0..decompressed_buffer.len()]).copy_from_slice(&decompressed_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 196 | let _ = &(compression_buffer[0..decompressed_buffer.len()]).copy_from_slice(&decompressed_buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.64s [INFO] running `Command { std: "docker" "inspect" "136fdfd21bffecec36108bb3ca86b4c7af9a1cc898b292005d4869946dcdfe52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "136fdfd21bffecec36108bb3ca86b4c7af9a1cc898b292005d4869946dcdfe52", kill_on_drop: false }` [INFO] [stdout] 136fdfd21bffecec36108bb3ca86b4c7af9a1cc898b292005d4869946dcdfe52