[INFO] updating cached repository https://github.com/atmoPunk/checker
[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] [stderr] From https://github.com/atmoPunk/checker
[INFO] [stderr]    dea6b42..1cbc6f2  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1cbc6f2e86af3fd850c32516ed15cf53e42c1204
[INFO] checking atmoPunk/checker against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FatmoPunk%2Fchecker" "/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/atmoPunk/checker on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/atmoPunk/checker
[INFO] finished tweaking git repo https://github.com/atmoPunk/checker
[INFO] tweaked toml for git repo https://github.com/atmoPunk/checker written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/atmoPunk/checker already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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] 8ceac8048c886ac81fd5f7538c9c41c4d91ce71c6c336385c897df0f3e563060
[INFO] running `"docker" "start" "-a" "8ceac8048c886ac81fd5f7538c9c41c4d91ce71c6c336385c897df0f3e563060"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking chunked_transfer v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking async-macros v2.0.0
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking ring v0.16.11
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.2.0
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking ureq v0.11.4
[INFO] [stderr]     Checking checker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "8ceac8048c886ac81fd5f7538c9c41c4d91ce71c6c336385c897df0f3e563060"`
[INFO] running `"docker" "rm" "-f" "8ceac8048c886ac81fd5f7538c9c41c4d91ce71c6c336385c897df0f3e563060"`
[INFO] [stdout] 8ceac8048c886ac81fd5f7538c9c41c4d91ce71c6c336385c897df0f3e563060