[INFO] fetching crate cpuprofiler-static 0.1.0...
[INFO] checking cpuprofiler-static-0.1.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate cpuprofiler-static 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cpuprofiler-static 0.1.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded fs_extra v1.1.0
[INFO] [stderr]   Downloaded backtrace v0.2.3
[INFO] [stderr]   Downloaded cc v1.0.46
[INFO] [stderr]   Downloaded libc v0.2.64
[INFO] [stderr]   Downloaded num_cpus v1.10.1
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded cpuprofiler v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 714c864abfdc4f20fd9ca9e39e3dd6a8d03660240ccb2bd399b4f82f0a649ee8
[INFO] running `Command { std: "docker" "start" "-a" "714c864abfdc4f20fd9ca9e39e3dd6a8d03660240ccb2bd399b4f82f0a649ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "714c864abfdc4f20fd9ca9e39e3dd6a8d03660240ccb2bd399b4f82f0a649ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714c864abfdc4f20fd9ca9e39e3dd6a8d03660240ccb2bd399b4f82f0a649ee8", kill_on_drop: false }`
[INFO] [stdout] 714c864abfdc4f20fd9ca9e39e3dd6a8d03660240ccb2bd399b4f82f0a649ee8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 304be717cf7e3a082034af9b24780935f3c05327d4a981ca173587dd052d10ff
[INFO] running `Command { std: "docker" "start" "-a" "304be717cf7e3a082034af9b24780935f3c05327d4a981ca173587dd052d10ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[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 kernel32-sys v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling num_cpus v1.10.1
[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_directory_empty` is never used
[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 `prepare_gperftool` is never used
[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` profile [unoptimized + debuginfo] target(s) in 2.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "304be717cf7e3a082034af9b24780935f3c05327d4a981ca173587dd052d10ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "304be717cf7e3a082034af9b24780935f3c05327d4a981ca173587dd052d10ff", kill_on_drop: false }`
[INFO] [stdout] 304be717cf7e3a082034af9b24780935f3c05327d4a981ca173587dd052d10ff