[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 beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshterrett%2Frust-lru-cache" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shterrett/rust-lru-cache on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-4/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7c3388089e23eddcf78014335d0261274f267e04e18ee8f7e850b0b14bf16c1
[INFO] running `Command { std: "docker" "start" "-a" "b7c3388089e23eddcf78014335d0261274f267e04e18ee8f7e850b0b14bf16c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7c3388089e23eddcf78014335d0261274f267e04e18ee8f7e850b0b14bf16c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c3388089e23eddcf78014335d0261274f267e04e18ee8f7e850b0b14bf16c1", kill_on_drop: false }`
[INFO] [stdout] b7c3388089e23eddcf78014335d0261274f267e04e18ee8f7e850b0b14bf16c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2280d6e17bc473265d2a1d2c40a64749c72a9cd2df7e02e9bcd90498e25dc7ab
[INFO] running `Command { std: "docker" "start" "-a" "2280d6e17bc473265d2a1d2c40a64749c72a9cd2df7e02e9bcd90498e25dc7ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling lru-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "2280d6e17bc473265d2a1d2c40a64749c72a9cd2df7e02e9bcd90498e25dc7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2280d6e17bc473265d2a1d2c40a64749c72a9cd2df7e02e9bcd90498e25dc7ab", kill_on_drop: false }`
[INFO] [stdout] 2280d6e17bc473265d2a1d2c40a64749c72a9cd2df7e02e9bcd90498e25dc7ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f06c7edd896ec417c001e522154f36819f01c9b4134fc6a045834140c8662ab6
[INFO] running `Command { std: "docker" "start" "-a" "f06c7edd896ec417c001e522154f36819f01c9b4134fc6a045834140c8662ab6", kill_on_drop: false }`
[INFO] [stderr]    Compiling lru-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "f06c7edd896ec417c001e522154f36819f01c9b4134fc6a045834140c8662ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06c7edd896ec417c001e522154f36819f01c9b4134fc6a045834140c8662ab6", kill_on_drop: false }`
[INFO] [stdout] f06c7edd896ec417c001e522154f36819f01c9b4134fc6a045834140c8662ab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ecc59b9d8a5687238ff2579696f2feaee4ce0440c14f3f865ea14fc1f5a601c2
[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" "ecc59b9d8a5687238ff2579696f2feaee4ce0440c14f3f865ea14fc1f5a601c2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lru_cache-48c6a6add0a5a8cd
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test cache::test::evicts_after_size ... ok
[INFO] [stdout] test list::test::push_and_pop ... ok
[INFO] [stdout] test list::test::remove ... ok
[INFO] [stdout] test list::test::remove_tail ... ok
[INFO] [stdout] test cache::test::evicts_least_recently_used ... ok
[INFO] [stdout] test list::test::remove_head ... ok
[INFO] [stdout] test list::test::shift_and_unshift ... ok
[INFO] [stdout] test cache::test::put_get ... ok
[INFO] [stdout] test list::test::into_iter ... ok
[INFO] [stdout] test list::test::promote ... ok
[INFO] [stdout] test list::test::peek ... ok
[INFO] [stdout] test cache::test::overwrite ... ok
[INFO] [stdout] test list::test::promote_tail ... ok
[INFO] [stdout] test list::test::promote_head ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lru-cache
[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" "ecc59b9d8a5687238ff2579696f2feaee4ce0440c14f3f865ea14fc1f5a601c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc59b9d8a5687238ff2579696f2feaee4ce0440c14f3f865ea14fc1f5a601c2", kill_on_drop: false }`
[INFO] [stdout] ecc59b9d8a5687238ff2579696f2feaee4ce0440c14f3f865ea14fc1f5a601c2