[INFO] crate lockfile 0.2.1 is already in cache
[INFO] checking lockfile-0.2.1 against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] extracting crate lockfile 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lockfile 0.2.1 on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lockfile 0.2.1
[INFO] finished tweaking crates.io crate lockfile 0.2.1
[INFO] tweaked toml for crates.io crate lockfile 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "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] 789a623967214a97b1b10d25e6a3b25d7752df92a492a8c2f104cd01733a9491
[INFO] running `"docker" "start" "-a" "789a623967214a97b1b10d25e6a3b25d7752df92a492a8c2f104cd01733a9491"`
[INFO] [stderr]     Checking lockfile v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the type `std::path::PathBuf` does not permit zero-initialization
[INFO] [stderr]   --> src/lib.rs:97:53
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let path = mem::replace(&mut self.path, mem::zeroed());
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^
[INFO] [stderr]    |                                                     |
[INFO] [stderr]    |                                                     this code causes undefined behavior when executed
[INFO] [stderr]    |                                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: `std::ptr::Unique<u8>` must be non-null (in this struct field)
[INFO] [stderr] 
[INFO] [stderr] warning: the type `std::path::PathBuf` does not permit zero-initialization
[INFO] [stderr]   --> src/lib.rs:97:53
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let path = mem::replace(&mut self.path, mem::zeroed());
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^
[INFO] [stderr]    |                                                     |
[INFO] [stderr]    |                                                     this code causes undefined behavior when executed
[INFO] [stderr]    |                                                     help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: `std::ptr::Unique<u8>` must be non-null (in this struct field)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "789a623967214a97b1b10d25e6a3b25d7752df92a492a8c2f104cd01733a9491"`
[INFO] running `"docker" "rm" "-f" "789a623967214a97b1b10d25e6a3b25d7752df92a492a8c2f104cd01733a9491"`
[INFO] [stdout] 789a623967214a97b1b10d25e6a3b25d7752df92a492a8c2f104cd01733a9491