[INFO] updating cached repository https://github.com/OrfeasLitos/categories-for-programmers
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8827d8683711751ec658bdd5b0d0e305d5dfb10c
[INFO] testing OrfeasLitos/categories-for-programmers 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%2FOrfeasLitos%2Fcategories-for-programmers" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OrfeasLitos/categories-for-programmers 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/OrfeasLitos/categories-for-programmers
[INFO] finished tweaking git repo https://github.com/OrfeasLitos/categories-for-programmers
[INFO] tweaked toml for git repo https://github.com/OrfeasLitos/categories-for-programmers written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/OrfeasLitos/categories-for-programmers 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 2d9080cdc2347e2192f93fc1caf905e63c4ac8c26e8bbb97c2392caada4d9681
[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" "2d9080cdc2347e2192f93fc1caf905e63c4ac8c26e8bbb97c2392caada4d9681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d9080cdc2347e2192f93fc1caf905e63c4ac8c26e8bbb97c2392caada4d9681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9080cdc2347e2192f93fc1caf905e63c4ac8c26e8bbb97c2392caada4d9681", kill_on_drop: false }`
[INFO] [stdout] 2d9080cdc2347e2192f93fc1caf905e63c4ac8c26e8bbb97c2392caada4d9681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 5e167b3b9c2ef757fbbae9ba0dce06c41931a6d93f09a81972311e8c318b2fd3
[INFO] running `Command { std: "docker" "start" "-a" "5e167b3b9c2ef757fbbae9ba0dce06c41931a6d93f09a81972311e8c318b2fd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling categories-for-programmers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `memoize`
[INFO] [stdout]   --> src/memoize.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn memoize<R: Eq + Hash, S: Clone>(f: &'static (dyn Fn(&R) -> S)) -> Box<(dyn FnMut(R) -> S)> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "5e167b3b9c2ef757fbbae9ba0dce06c41931a6d93f09a81972311e8c318b2fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e167b3b9c2ef757fbbae9ba0dce06c41931a6d93f09a81972311e8c318b2fd3", kill_on_drop: false }`
[INFO] [stdout] 5e167b3b9c2ef757fbbae9ba0dce06c41931a6d93f09a81972311e8c318b2fd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 2fb215c32c4a8aa52a00f51988c7007985cbfb2208e242fab7e8ff21ce50a17c
[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" "2fb215c32c4a8aa52a00f51988c7007985cbfb2208e242fab7e8ff21ce50a17c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling categories-for-programmers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "2fb215c32c4a8aa52a00f51988c7007985cbfb2208e242fab7e8ff21ce50a17c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb215c32c4a8aa52a00f51988c7007985cbfb2208e242fab7e8ff21ce50a17c", kill_on_drop: false }`
[INFO] [stdout] 2fb215c32c4a8aa52a00f51988c7007985cbfb2208e242fab7e8ff21ce50a17c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e8ad696bfc7f5bf88cb3cda043250a3adfa8b27b64bf0b28f4067d3ceb18450e
[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" "e8ad696bfc7f5bf88cb3cda043250a3adfa8b27b64bf0b28f4067d3ceb18450e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/categories_for_programmers-328d5cd4ab133636
[INFO] [stdout] test composition::composable_identity ... ok
[INFO] [stdout] test memoize::func_memoize ... ok
[INFO] [stdout] test memoize::struct_memoize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e8ad696bfc7f5bf88cb3cda043250a3adfa8b27b64bf0b28f4067d3ceb18450e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ad696bfc7f5bf88cb3cda043250a3adfa8b27b64bf0b28f4067d3ceb18450e", kill_on_drop: false }`
[INFO] [stdout] e8ad696bfc7f5bf88cb3cda043250a3adfa8b27b64bf0b28f4067d3ceb18450e