[INFO] updating cached repository https://github.com/stefanholzmueller/rust-calculator
[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] d87cbaba6826c023bd003ee3e25f9ebc246247fa
[INFO] checking stefanholzmueller/rust-calculator against try#3e1efa2be2e75b3c7daf2566f8758da91312f7e8 for pr-66037-3
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanholzmueller%2Frust-calculator" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stefanholzmueller/rust-calculator on toolchain 3e1efa2be2e75b3c7daf2566f8758da91312f7e8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3e1efa2be2e75b3c7daf2566f8758da91312f7e8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/stefanholzmueller/rust-calculator
[INFO] finished tweaking git repo https://github.com/stefanholzmueller/rust-calculator
[INFO] tweaked toml for git repo https://github.com/stefanholzmueller/rust-calculator written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/stefanholzmueller/rust-calculator already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3e1efa2be2e75b3c7daf2566f8758da91312f7e8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+3e1efa2be2e75b3c7daf2566f8758da91312f7e8" "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] 6348d3d7f375488e4d41860fb56e8d45caba67a1a9b9e6adf432290dd16e65a9
[INFO] running `"docker" "start" "-a" "6348d3d7f375488e4d41860fb56e8d45caba67a1a9b9e6adf432290dd16e65a9"`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking rust-calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.89s
[INFO] running `"docker" "inspect" "6348d3d7f375488e4d41860fb56e8d45caba67a1a9b9e6adf432290dd16e65a9"`
[INFO] running `"docker" "rm" "-f" "6348d3d7f375488e4d41860fb56e8d45caba67a1a9b9e6adf432290dd16e65a9"`
[INFO] [stdout] 6348d3d7f375488e4d41860fb56e8d45caba67a1a9b9e6adf432290dd16e65a9