[INFO] updating cached repository https://github.com/ddowl/snakers
[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] 4ee47b151509b6a55e95afb015eb80bc3e1cae70
[INFO] checking ddowl/snakers against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddowl%2Fsnakers" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ddowl/snakers on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ddowl/snakers
[INFO] finished tweaking git repo https://github.com/ddowl/snakers
[INFO] tweaked toml for git repo https://github.com/ddowl/snakers written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ddowl/snakers already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] a4f4fd363f03c4aebcf7f01ff2c432c9503603de92bfab4cd98b3f53240db015
[INFO] running `"docker" "start" "-a" "a4f4fd363f03c4aebcf7f01ff2c432c9503603de92bfab4cd98b3f53240db015"`
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]     Checking hashbrown v0.2.2
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking enum-map-internals v0.1.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.1
[INFO] [stderr]    Compiling enumset_derive v0.3.2
[INFO] [stderr]     Checking enum-map v0.5.0
[INFO] [stderr]     Checking enumset v0.3.19
[INFO] [stderr]     Checking cursive v0.11.2
[INFO] [stderr]     Checking snakers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.00s
[INFO] running `"docker" "inspect" "a4f4fd363f03c4aebcf7f01ff2c432c9503603de92bfab4cd98b3f53240db015"`
[INFO] running `"docker" "rm" "-f" "a4f4fd363f03c4aebcf7f01ff2c432c9503603de92bfab4cd98b3f53240db015"`
[INFO] [stdout] a4f4fd363f03c4aebcf7f01ff2c432c9503603de92bfab4cd98b3f53240db015