[INFO] crate rn2xx3 0.1.4 is already in cache
[INFO] checking rn2xx3-0.1.4 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate rn2xx3 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rn2xx3 0.1.4 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rn2xx3 0.1.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rn2xx3 0.1.4
[INFO] tweaked toml for crates.io crate rn2xx3 0.1.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rn2xx3 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] 7e3ad14d0652fce09f1357b875610b5fc6b4db652484a1e7424a58d7ca7aeea1
[INFO] running `"docker" "start" "-a" "7e3ad14d0652fce09f1357b875610b5fc6b4db652484a1e7424a58d7ca7aeea1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking numtoa v0.2.3
[INFO] [stderr]     Checking base16 v0.2.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking embedded-hal-mock v0.7.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking rn2xx3 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking spidev v0.4.0
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking linux-embedded-hal v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.60s
[INFO] running `"docker" "inspect" "7e3ad14d0652fce09f1357b875610b5fc6b4db652484a1e7424a58d7ca7aeea1"`
[INFO] running `"docker" "rm" "-f" "7e3ad14d0652fce09f1357b875610b5fc6b4db652484a1e7424a58d7ca7aeea1"`
[INFO] [stdout] 7e3ad14d0652fce09f1357b875610b5fc6b4db652484a1e7424a58d7ca7aeea1