[INFO] updating cached repository https://github.com/tristangreeno/quicksort-rust
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12d6d38c212e387cceecef48451d175af4a89a89
[INFO] checking tristangreeno/quicksort-rust against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristangreeno%2Fquicksort-rust" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  77% (438/562)   
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Checking out files: 100% (562/562), done.
[INFO] validating manifest of git repo https://github.com/tristangreeno/quicksort-rust on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tristangreeno/quicksort-rust
[INFO] finished tweaking git repo https://github.com/tristangreeno/quicksort-rust
[INFO] tweaked toml for git repo https://github.com/tristangreeno/quicksort-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/tristangreeno/quicksort-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3e4ef6b1ace6e8c56639ac839d278b230a809f9ba9c65c8385f8c6674ab9771e
[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" "3e4ef6b1ace6e8c56639ac839d278b230a809f9ba9c65c8385f8c6674ab9771e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking serde_json v1.0.10
[INFO] [stderr]     Checking itertools v0.7.7
[INFO] [stderr]     Checking itertools-num v0.1.1
[INFO] [stderr]     Checking criterion-stats v0.2.1
[INFO] [stderr]     Checking quicksort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]    Compiling pest_derive v1.0.6
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]     Checking simplelog v0.5.0
[INFO] [stderr]     Checking criterion-plot v0.2.1
[INFO] [stderr]     Checking handlebars v0.31.0
[INFO] [stderr]     Checking criterion v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.87s
[INFO] running `"docker" "inspect" "3e4ef6b1ace6e8c56639ac839d278b230a809f9ba9c65c8385f8c6674ab9771e"`
[INFO] running `"docker" "rm" "-f" "3e4ef6b1ace6e8c56639ac839d278b230a809f9ba9c65c8385f8c6674ab9771e"`
[INFO] [stdout] 3e4ef6b1ace6e8c56639ac839d278b230a809f9ba9c65c8385f8c6674ab9771e