[INFO] updating cached repository https://github.com/mt-caret/morpholino
[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] b064df2732adda12f8abac147d666a010238c789
[INFO] checking mt-caret/morpholino against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmt-caret%2Fmorpholino" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mt-caret/morpholino on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mt-caret/morpholino
[INFO] finished tweaking git repo https://github.com/mt-caret/morpholino
[INFO] tweaked toml for git repo https://github.com/mt-caret/morpholino written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mt-caret/morpholino already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 66da81b7b687dd294a7b66a311042edcae34d3a66d19cb73f59b00c4dd68ddc2
[INFO] running `"docker" "start" "-a" "66da81b7b687dd294a7b66a311042edcae34d3a66d19cb73f59b00c4dd68ddc2"`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking morpholino v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.73s
[INFO] running `"docker" "inspect" "66da81b7b687dd294a7b66a311042edcae34d3a66d19cb73f59b00c4dd68ddc2"`
[INFO] running `"docker" "rm" "-f" "66da81b7b687dd294a7b66a311042edcae34d3a66d19cb73f59b00c4dd68ddc2"`
[INFO] [stdout] 66da81b7b687dd294a7b66a311042edcae34d3a66d19cb73f59b00c4dd68ddc2