[INFO] cloning repository https://github.com/shterrett/rust-lru-cache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shterrett/rust-lru-cache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshterrett%2Frust-lru-cache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshterrett%2Frust-lru-cache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce2654d9d3c249dd8b55b6bfe96b56e5b0cfb8ec
[INFO] testing shterrett/rust-lru-cache against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshterrett%2Frust-lru-cache" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shterrett/rust-lru-cache on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shterrett/rust-lru-cache
[INFO] finished tweaking git repo https://github.com/shterrett/rust-lru-cache
[INFO] tweaked toml for git repo https://github.com/shterrett/rust-lru-cache written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/shterrett/rust-lru-cache already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62c57ebbef9a55f01cbc7f6d3722cb7dcd5187f553e86fab0e6f22908dc1e4b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "62c57ebbef9a55f01cbc7f6d3722cb7dcd5187f553e86fab0e6f22908dc1e4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62c57ebbef9a55f01cbc7f6d3722cb7dcd5187f553e86fab0e6f22908dc1e4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c57ebbef9a55f01cbc7f6d3722cb7dcd5187f553e86fab0e6f22908dc1e4b8", kill_on_drop: false }`
[INFO] [stdout] 62c57ebbef9a55f01cbc7f6d3722cb7dcd5187f553e86fab0e6f22908dc1e4b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86cb41dbb052dd7c51c4e8605bffc941583e74674e93c032bf62361b3fa4b341
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "86cb41dbb052dd7c51c4e8605bffc941583e74674e93c032bf62361b3fa4b341", kill_on_drop: false }`
[INFO] [stderr]    Compiling lru-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "86cb41dbb052dd7c51c4e8605bffc941583e74674e93c032bf62361b3fa4b341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86cb41dbb052dd7c51c4e8605bffc941583e74674e93c032bf62361b3fa4b341", kill_on_drop: false }`
[INFO] [stdout] 86cb41dbb052dd7c51c4e8605bffc941583e74674e93c032bf62361b3fa4b341
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef409d3b4794d5f6dacb0bde6e09c18e70de72bfc711356de80b69527cb6989f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ef409d3b4794d5f6dacb0bde6e09c18e70de72bfc711356de80b69527cb6989f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lru-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "ef409d3b4794d5f6dacb0bde6e09c18e70de72bfc711356de80b69527cb6989f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef409d3b4794d5f6dacb0bde6e09c18e70de72bfc711356de80b69527cb6989f", kill_on_drop: false }`
[INFO] [stdout] ef409d3b4794d5f6dacb0bde6e09c18e70de72bfc711356de80b69527cb6989f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fef4a3f51f22a429c878aa32a706ad30fe6f6d933cffe2d81e047d334b14c69e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fef4a3f51f22a429c878aa32a706ad30fe6f6d933cffe2d81e047d334b14c69e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 14 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lru_cache-476747a640d794c1
[INFO] [stdout] test list::test::into_iter ... ok
[INFO] [stdout] test cache::test::put_get ... ok
[INFO] [stdout] test cache::test::overwrite ... ok
[INFO] [stdout] test list::test::promote ... ok
[INFO] [stdout] test cache::test::evicts_least_recently_used ... ok
[INFO] [stdout] test list::test::peek ... ok
[INFO] [stdout] test cache::test::evicts_after_size ... ok
[INFO] [stdout] test list::test::remove_head ... ok
[INFO] [stdout] test list::test::remove ... ok
[INFO] [stdout] test list::test::promote_tail ... ok
[INFO] [stdout] test list::test::promote_head ... ok
[INFO] [stdout] test list::test::remove_tail ... ok
[INFO] [stdout] test list::test::shift_and_unshift ... ok
[INFO] [stderr]    Doc-tests lru-cache
[INFO] [stdout] test list::test::push_and_pop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fef4a3f51f22a429c878aa32a706ad30fe6f6d933cffe2d81e047d334b14c69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef4a3f51f22a429c878aa32a706ad30fe6f6d933cffe2d81e047d334b14c69e", kill_on_drop: false }`
[INFO] [stdout] fef4a3f51f22a429c878aa32a706ad30fe6f6d933cffe2d81e047d334b14c69e