[INFO] cloning repository https://github.com/ngtkana/library_parser
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ngtkana/library_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngtkana%2Flibrary_parser"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngtkana%2Flibrary_parser'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28b20e21e4a2c40ab3e74db35f9bf5f6a9264b88
[INFO] checking ngtkana/library_parser against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngtkana%2Flibrary_parser" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ngtkana/library_parser on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ngtkana/library_parser
[INFO] finished tweaking git repo https://github.com/ngtkana/library_parser
[INFO] tweaked toml for git repo https://github.com/ngtkana/library_parser written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ngtkana/library_parser already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 872c00b9f28b5de149edad813cf87972c7fe19cbd6ca5debe0fa2438499a4d45
[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" "872c00b9f28b5de149edad813cf87972c7fe19cbd6ca5debe0fa2438499a4d45"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking library_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:74:39
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn for_each_file(path: &Path, f: &mut FnMut(&Path) -> Result<()>) -> Result<()> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Path) -> Result<()>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:74:39
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn for_each_file(path: &Path, f: &mut FnMut(&Path) -> Result<()>) -> Result<()> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Path) -> Result<()>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.84s
[INFO] running `"docker" "inspect" "872c00b9f28b5de149edad813cf87972c7fe19cbd6ca5debe0fa2438499a4d45"`
[INFO] running `"docker" "rm" "-f" "872c00b9f28b5de149edad813cf87972c7fe19cbd6ca5debe0fa2438499a4d45"`
[INFO] [stdout] 872c00b9f28b5de149edad813cf87972c7fe19cbd6ca5debe0fa2438499a4d45