[INFO] fetching crate resize-slice 0.1.3... [INFO] checking resize-slice-0.1.3 against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325 [INFO] extracting crate resize-slice 0.1.3 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate resize-slice 0.1.3 on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate resize-slice 0.1.3 [INFO] finished tweaking crates.io crate resize-slice 0.1.3 [INFO] tweaked toml for crates.io crate resize-slice 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 437dc894a3feb7373a4eb8d92eba7aa11ac3cd89d28e0a875696d5565301b349 [INFO] running `Command { std: "docker" "start" "-a" "437dc894a3feb7373a4eb8d92eba7aa11ac3cd89d28e0a875696d5565301b349", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "437dc894a3feb7373a4eb8d92eba7aa11ac3cd89d28e0a875696d5565301b349", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "437dc894a3feb7373a4eb8d92eba7aa11ac3cd89d28e0a875696d5565301b349", kill_on_drop: false }` [INFO] [stdout] 437dc894a3feb7373a4eb8d92eba7aa11ac3cd89d28e0a875696d5565301b349 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de449c8107de5a5aa17c47ce0d81eb6298db514e838689ba19a0bfa08e7e94e8 [INFO] running `Command { std: "docker" "start" "-a" "de449c8107de5a5aa17c47ce0d81eb6298db514e838689ba19a0bfa08e7e94e8", kill_on_drop: false }` [INFO] [stderr] Compiling uninitialized v0.0.2 [INFO] [stderr] Checking resize-slice v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | replace(self, value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | replace(self, value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "de449c8107de5a5aa17c47ce0d81eb6298db514e838689ba19a0bfa08e7e94e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de449c8107de5a5aa17c47ce0d81eb6298db514e838689ba19a0bfa08e7e94e8", kill_on_drop: false }` [INFO] [stdout] de449c8107de5a5aa17c47ce0d81eb6298db514e838689ba19a0bfa08e7e94e8