[INFO] fetching crate sq_num 0.1.0... [INFO] checking sq_num-0.1.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] extracting crate sq_num 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate sq_num 0.1.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sq_num 0.1.0 [INFO] finished tweaking crates.io crate sq_num 0.1.0 [INFO] tweaked toml for crates.io crate sq_num 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6b7e5b0ebb85c17e8a6c6e96bbae5e73a375be9c24b0324181113ac7f5e7fdc8 [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" "6b7e5b0ebb85c17e8a6c6e96bbae5e73a375be9c24b0324181113ac7f5e7fdc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6b7e5b0ebb85c17e8a6c6e96bbae5e73a375be9c24b0324181113ac7f5e7fdc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b7e5b0ebb85c17e8a6c6e96bbae5e73a375be9c24b0324181113ac7f5e7fdc8", kill_on_drop: false }` [INFO] [stdout] 6b7e5b0ebb85c17e8a6c6e96bbae5e73a375be9c24b0324181113ac7f5e7fdc8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b8eb50aef3090f884e4f9bbd78d3c69bc3cd4c26820d3e98f641d9b91fda002 [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" "3b8eb50aef3090f884e4f9bbd78d3c69bc3cd4c26820d3e98f641d9b91fda002", kill_on_drop: false }` [INFO] [stderr] Checking sq_num v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `main` [INFO] [stdout] --> src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 0.39s [INFO] running `Command { std: "docker" "inspect" "3b8eb50aef3090f884e4f9bbd78d3c69bc3cd4c26820d3e98f641d9b91fda002", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b8eb50aef3090f884e4f9bbd78d3c69bc3cd4c26820d3e98f641d9b91fda002", kill_on_drop: false }` [INFO] [stdout] 3b8eb50aef3090f884e4f9bbd78d3c69bc3cd4c26820d3e98f641d9b91fda002