[INFO] cloning repository https://github.com/andreyferriyan/rusty_learn
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreyferriyan/rusty_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreyferriyan%2Frusty_learn"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreyferriyan%2Frusty_learn'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a3e268217cec554583822349dc642925ff6796b
[INFO] checking andreyferriyan/rusty_learn against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreyferriyan%2Frusty_learn" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andreyferriyan/rusty_learn on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/andreyferriyan/rusty_learn
[INFO] finished tweaking git repo https://github.com/andreyferriyan/rusty_learn
[INFO] tweaked toml for git repo https://github.com/andreyferriyan/rusty_learn written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/andreyferriyan/rusty_learn already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 2f9b525fe345373b045ca0580c2a30b254da239d82656504a753d9ecd5bdb199
[INFO] running `"docker" "start" "-a" "2f9b525fe345373b045ca0580c2a30b254da239d82656504a753d9ecd5bdb199"`
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]    Compiling rustlearn v0.5.0
[INFO] [stderr]     Checking libflate v0.1.21
[INFO] [stderr]     Checking uuid v0.7.3
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.1
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.12
[INFO] [stderr]     Checking rusty_learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.84s
[INFO] running `"docker" "inspect" "2f9b525fe345373b045ca0580c2a30b254da239d82656504a753d9ecd5bdb199"`
[INFO] running `"docker" "rm" "-f" "2f9b525fe345373b045ca0580c2a30b254da239d82656504a753d9ecd5bdb199"`
[INFO] [stdout] 2f9b525fe345373b045ca0580c2a30b254da239d82656504a753d9ecd5bdb199