[INFO] cloning repository https://github.com/DILECPEDO/school_planner
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DILECPEDO/school_planner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDILECPEDO%2Fschool_planner"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDILECPEDO%2Fschool_planner'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72396352120c0377159637da8963122b80ec58c6
[INFO] checking DILECPEDO/school_planner against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDILECPEDO%2Fschool_planner" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DILECPEDO/school_planner on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/DILECPEDO/school_planner
[INFO] finished tweaking git repo https://github.com/DILECPEDO/school_planner
[INFO] tweaked toml for git repo https://github.com/DILECPEDO/school_planner written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/DILECPEDO/school_planner already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: unused manifest key: dependencies.serde_json.feature
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "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] f20b36eff0ff8c185fcf3cb08534263efc9f11d7693679aa35ea4964432946e6
[INFO] running `"docker" "start" "-a" "f20b36eff0ff8c185fcf3cb08534263efc9f11d7693679aa35ea4964432946e6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused manifest key: dependencies.serde_json.feature
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking agenda_scuola v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.75s
[INFO] running `"docker" "inspect" "f20b36eff0ff8c185fcf3cb08534263efc9f11d7693679aa35ea4964432946e6"`
[INFO] running `"docker" "rm" "-f" "f20b36eff0ff8c185fcf3cb08534263efc9f11d7693679aa35ea4964432946e6"`
[INFO] [stdout] f20b36eff0ff8c185fcf3cb08534263efc9f11d7693679aa35ea4964432946e6