[INFO] updating cached repository https://github.com/arizuk/rust-competitive-programming-snippets
[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] [stderr] From https://github.com/arizuk/rust-competitive-programming-snippets
[INFO] [stderr]  - [deleted]         (none)     -> dependabot/cargo/rand-0.7.3
[INFO] [stderr]  + 0debf08...3af4a4e dependabot/cargo/cargo-snippet-0.4.1 -> dependabot/cargo/cargo-snippet-0.4.1  (forced update)
[INFO] [stderr]    1656ac1..553dde1  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 553dde1ae14d6cecf7fff1e3a65f4cb784495078
[INFO] checking arizuk/rust-competitive-programming-snippets against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farizuk%2Frust-competitive-programming-snippets" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arizuk/rust-competitive-programming-snippets on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/arizuk/rust-competitive-programming-snippets
[INFO] finished tweaking git repo https://github.com/arizuk/rust-competitive-programming-snippets
[INFO] tweaked toml for git repo https://github.com/arizuk/rust-competitive-programming-snippets written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/arizuk/rust-competitive-programming-snippets already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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] 6052bc724b1031024a97ef4001f11e8afbb73d8a96f0dcdb5c83a8f5be819bca
[INFO] running `"docker" "start" "-a" "6052bc724b1031024a97ef4001f11e8afbb73d8a96f0dcdb5c83a8f5be819bca"`
[INFO] [stderr]    Compiling cargo-snippet v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr] error[E0463]: can't find crate for `rustc_plugin`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cargo-snippet-0.3.0/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate rustc_plugin;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `cargo-snippet`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6052bc724b1031024a97ef4001f11e8afbb73d8a96f0dcdb5c83a8f5be819bca"`
[INFO] running `"docker" "rm" "-f" "6052bc724b1031024a97ef4001f11e8afbb73d8a96f0dcdb5c83a8f5be819bca"`
[INFO] [stdout] 6052bc724b1031024a97ef4001f11e8afbb73d8a96f0dcdb5c83a8f5be819bca