[INFO] updating cached repository https://github.com/emmanuelantony2000/library_management_system
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 818342be771134e883688926afa205a85329cdf9
[INFO] checking emmanuelantony2000/library_management_system against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmanuelantony2000%2Flibrary_management_system" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emmanuelantony2000/library_management_system on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/emmanuelantony2000/library_management_system
[INFO] finished tweaking git repo https://github.com/emmanuelantony2000/library_management_system
[INFO] tweaked toml for git repo https://github.com/emmanuelantony2000/library_management_system written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/emmanuelantony2000/library_management_system already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 9c9cc2ef9a84df70fa4e2d62ecfd48d23725732eb57c7ba48ff10d4dffda5a7d
[INFO] running `"docker" "start" "-a" "9c9cc2ef9a84df70fa4e2d62ecfd48d23725732eb57c7ba48ff10d4dffda5a7d"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]     Checking debug-helper v0.3.6
[INFO] [stderr]     Checking webbrowser v0.5.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rc-u8-reader v2.0.9
[INFO] [stderr]     Checking crc-any v2.2.2
[INFO] [stderr]     Checking simplebase v0.3.34
[INFO] [stderr]    Compiling cookie v0.11.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]     Checking rocket_http v0.4.2
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]     Checking rocket v0.4.2
[INFO] [stderr]     Checking rocket-etag-if-none-match v0.3.2
[INFO] [stderr]     Checking rocket_contrib v0.4.2
[INFO] [stderr]     Checking rocket-include-static-resources v0.9.1
[INFO] [stderr]     Checking library_management_system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `"docker" "inspect" "9c9cc2ef9a84df70fa4e2d62ecfd48d23725732eb57c7ba48ff10d4dffda5a7d"`
[INFO] running `"docker" "rm" "-f" "9c9cc2ef9a84df70fa4e2d62ecfd48d23725732eb57c7ba48ff10d4dffda5a7d"`
[INFO] [stdout] 9c9cc2ef9a84df70fa4e2d62ecfd48d23725732eb57c7ba48ff10d4dffda5a7d