[INFO] crate libperl-rs 0.2.0 is already in cache
[INFO] checking libperl-rs-0.2.0 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate libperl-rs 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libperl-rs 0.2.0 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libperl-rs 0.2.0
[INFO] finished tweaking crates.io crate libperl-rs 0.2.0
[INFO] tweaked toml for crates.io crate libperl-rs 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate libperl-rs 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b393091adf403abeddd9494af0bc26b1e7e72e667ac38415b09868a6761aa38a
[INFO] running `"docker" "start" "-a" "b393091adf403abeddd9494af0bc26b1e7e72e667ac38415b09868a6761aa38a"`
[INFO] [stderr]    Compiling bindgen v0.44.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling libperl-config v0.2.0
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling libperl-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling libperl-sys v0.2.0
[INFO] [stderr] warning: unused import: `std::ptr`
[INFO] [stderr]  --> examples/102_padname_type.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ptr;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CString`
[INFO] [stderr]  --> examples/102_padname_type.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ffi::{CStr, CString};
[INFO] [stderr]   |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 01s
[INFO] running `"docker" "inspect" "b393091adf403abeddd9494af0bc26b1e7e72e667ac38415b09868a6761aa38a"`
[INFO] running `"docker" "rm" "-f" "b393091adf403abeddd9494af0bc26b1e7e72e667ac38415b09868a6761aa38a"`
[INFO] [stdout] b393091adf403abeddd9494af0bc26b1e7e72e667ac38415b09868a6761aa38a