[INFO] updating cached repository https://github.com/oblivia-simplex/roper2
[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] d6766fb43550e76135aac8049d445ed4ddd9c336
[INFO] checking oblivia-simplex/roper2 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foblivia-simplex%2Froper2" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oblivia-simplex/roper2 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/oblivia-simplex/roper2
[INFO] finished tweaking git repo https://github.com/oblivia-simplex/roper2
[INFO] tweaked toml for git repo https://github.com/oblivia-simplex/roper2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/oblivia-simplex/roper2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 7f9db7cbce23f4f2f02180227427c103ada529d33c53831c003346ebe5bb5925
[INFO] running `"docker" "start" "-a" "7f9db7cbce23f4f2f02180227427c103ada529d33c53831c003346ebe5bb5925"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling roper2 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking evmap v7.1.3
[INFO] [stderr]     Checking chan v0.1.23
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking multimap v0.8.0
[INFO] [stderr]     Checking rand_isaac v0.2.0
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr]     Checking rust-ini v0.14.0
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking chan-signal v0.3.3
[INFO] [stderr]    Compiling libunicorn-sys v0.9.0 (https://github.com/ekse/unicorn-rs#cc6c5f71)
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking hexdump v0.1.0
[INFO] [stderr]     Checking num-rational v0.2.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking unicorn v0.9.0 (https://github.com/ekse/unicorn-rs#cc6c5f71)
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.1.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.43s
[INFO] running `"docker" "inspect" "7f9db7cbce23f4f2f02180227427c103ada529d33c53831c003346ebe5bb5925"`
[INFO] running `"docker" "rm" "-f" "7f9db7cbce23f4f2f02180227427c103ada529d33c53831c003346ebe5bb5925"`
[INFO] [stdout] 7f9db7cbce23f4f2f02180227427c103ada529d33c53831c003346ebe5bb5925