[INFO] cloning repository https://github.com/CerulanLumina/background-fission
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CerulanLumina/background-fission" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerulanLumina%2Fbackground-fission"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerulanLumina%2Fbackground-fission'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 47de395cb74fb824808615d76e233cf939e845eb
[INFO] checking CerulanLumina/background-fission against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerulanLumina%2Fbackground-fission" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CerulanLumina/background-fission on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CerulanLumina/background-fission
[INFO] finished tweaking git repo https://github.com/CerulanLumina/background-fission
[INFO] tweaked toml for git repo https://github.com/CerulanLumina/background-fission written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/CerulanLumina/background-fission already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 0e0e3cf9d08232b9bf6c56152e921b013f38fb02a48bbb518371abcbec36d1f5
[INFO] running `"docker" "start" "-a" "0e0e3cf9d08232b9bf6c56152e921b013f38fb02a48bbb518371abcbec36d1f5"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.17
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking thread-priority v0.1.0
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking cron v0.6.0
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking job_scheduler v1.0.6
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]     Checking background-fission v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.13s
[INFO] running `"docker" "inspect" "0e0e3cf9d08232b9bf6c56152e921b013f38fb02a48bbb518371abcbec36d1f5"`
[INFO] running `"docker" "rm" "-f" "0e0e3cf9d08232b9bf6c56152e921b013f38fb02a48bbb518371abcbec36d1f5"`
[INFO] [stdout] 0e0e3cf9d08232b9bf6c56152e921b013f38fb02a48bbb518371abcbec36d1f5