[INFO] fetching crate cpuprofiler-static 0.1.0... [INFO] checking cpuprofiler-static-0.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] extracting crate cpuprofiler-static 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate cpuprofiler-static 0.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cpuprofiler-static 0.1.0 [INFO] finished tweaking crates.io crate cpuprofiler-static 0.1.0 [INFO] tweaked toml for crates.io crate cpuprofiler-static 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate cpuprofiler-static 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f52b8e4d396b33c9385b9f5e338580c0e44e8b44b4a1ef7b3f1ab43995cbe390 [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" "f52b8e4d396b33c9385b9f5e338580c0e44e8b44b4a1ef7b3f1ab43995cbe390", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f52b8e4d396b33c9385b9f5e338580c0e44e8b44b4a1ef7b3f1ab43995cbe390", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f52b8e4d396b33c9385b9f5e338580c0e44e8b44b4a1ef7b3f1ab43995cbe390", kill_on_drop: false }` [INFO] [stdout] f52b8e4d396b33c9385b9f5e338580c0e44e8b44b4a1ef7b3f1ab43995cbe390 [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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 4b3a035d436a3536667a9ee1c1cca874a22e8e3c2c4b5eef9e6b9fc2de1d02bb [INFO] running `Command { std: "docker" "start" "-a" "4b3a035d436a3536667a9ee1c1cca874a22e8e3c2c4b5eef9e6b9fc2de1d02bb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.64 [INFO] [stderr] Compiling cc v1.0.46 [INFO] [stderr] Compiling backtrace v0.2.3 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling fs_extra v1.1.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling cpuprofiler-static v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::process::Command` [INFO] [stdout] --> build.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::process::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_directory_empty` [INFO] [stdout] --> build.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn is_directory_empty>(p: P) -> std::io::Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `prepare_gperftool` [INFO] [stdout] --> build.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn prepare_gperftool() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking error-chain v0.5.0 [INFO] [stderr] Checking cpuprofiler v0.0.3 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.08s [INFO] running `Command { std: "docker" "inspect" "4b3a035d436a3536667a9ee1c1cca874a22e8e3c2c4b5eef9e6b9fc2de1d02bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b3a035d436a3536667a9ee1c1cca874a22e8e3c2c4b5eef9e6b9fc2de1d02bb", kill_on_drop: false }` [INFO] [stdout] 4b3a035d436a3536667a9ee1c1cca874a22e8e3c2c4b5eef9e6b9fc2de1d02bb