[INFO] crate null-terminated 0.3.14 is already in cache
[INFO] checking null-terminated-0.3.14 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate null-terminated 0.3.14 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate null-terminated 0.3.14 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate null-terminated 0.3.14
[INFO] finished tweaking crates.io crate null-terminated 0.3.14
[INFO] tweaked toml for crates.io crate null-terminated 0.3.14 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate null-terminated 0.3.14 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] [stdout] 79ca43d38335d27fb71eee4caa6ee7b23fdb4627d17fa8e533e4e79c88c6212a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "79ca43d38335d27fb71eee4caa6ee7b23fdb4627d17fa8e533e4e79c88c6212a"`
[INFO] [stderr]     Checking utf v0.1.5
[INFO] [stderr]     Checking system-call v0.1.1
[INFO] [stderr]     Checking null-terminated v0.3.14 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `cfg_doctest` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | #![feature(cfg_doctest)]
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `cfg_doctest` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | #![feature(cfg_doctest)]
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "79ca43d38335d27fb71eee4caa6ee7b23fdb4627d17fa8e533e4e79c88c6212a"`
[INFO] running `"docker" "rm" "-f" "79ca43d38335d27fb71eee4caa6ee7b23fdb4627d17fa8e533e4e79c88c6212a"`
[INFO] [stdout] 79ca43d38335d27fb71eee4caa6ee7b23fdb4627d17fa8e533e4e79c88c6212a