[INFO] fetching crate cpuprofiler-static 0.1.0...
[INFO] checking cpuprofiler-static-0.1.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate cpuprofiler-static 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cpuprofiler-static 0.1.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpuprofiler v0.0.3
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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] 6cff71ac85cc2ba1ec4bd5ea82d9abd5ee0cff2bded410efacc83f30389f922f
[INFO] running `Command { std: "docker" "start" "-a" "6cff71ac85cc2ba1ec4bd5ea82d9abd5ee0cff2bded410efacc83f30389f922f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cff71ac85cc2ba1ec4bd5ea82d9abd5ee0cff2bded410efacc83f30389f922f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cff71ac85cc2ba1ec4bd5ea82d9abd5ee0cff2bded410efacc83f30389f922f", kill_on_drop: false }`
[INFO] [stdout] 6cff71ac85cc2ba1ec4bd5ea82d9abd5ee0cff2bded410efacc83f30389f922f
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34e18f7f4476b70f5dcc098106d218eecb6996b227365164d689bac7284788a8
[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" "34e18f7f4476b70f5dcc098106d218eecb6996b227365164d689bac7284788a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[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 backtrace v0.2.3
[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: AsRef<Path>>(p: P) -> std::io::Result<bool> {
[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" "34e18f7f4476b70f5dcc098106d218eecb6996b227365164d689bac7284788a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e18f7f4476b70f5dcc098106d218eecb6996b227365164d689bac7284788a8", kill_on_drop: false }`
[INFO] [stdout] 34e18f7f4476b70f5dcc098106d218eecb6996b227365164d689bac7284788a8
