[INFO] updating cached repository https://github.com/zacharyhamm/stupid_hash
[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] 704d7ecfb9b0f62b4158b8b36db26146bb12b716
[INFO] checking zacharyhamm/stupid_hash against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacharyhamm%2Fstupid_hash" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zacharyhamm/stupid_hash on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zacharyhamm/stupid_hash
[INFO] finished tweaking git repo https://github.com/zacharyhamm/stupid_hash
[INFO] tweaked toml for git repo https://github.com/zacharyhamm/stupid_hash written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/zacharyhamm/stupid_hash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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] c1d8b3996858cff854e56a0399d0e3c5930375b3916b9db16317b0874d0be02b
[INFO] running `Command { std: "docker" "start" "-a" "c1d8b3996858cff854e56a0399d0e3c5930375b3916b9db16317b0874d0be02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1d8b3996858cff854e56a0399d0e3c5930375b3916b9db16317b0874d0be02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d8b3996858cff854e56a0399d0e3c5930375b3916b9db16317b0874d0be02b", kill_on_drop: false }`
[INFO] [stdout] c1d8b3996858cff854e56a0399d0e3c5930375b3916b9db16317b0874d0be02b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8135aed4ff49bfef477a36607fa039b29d6c96f2b1e51f7807be5c87bdf8b20b
[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" "8135aed4ff49bfef477a36607fa039b29d6c96f2b1e51f7807be5c87bdf8b20b", kill_on_drop: false }`
[INFO] [stderr]     Checking stupid_hash v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/hash.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for i in 0..NHASH {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NHASH`
[INFO] [stdout]  --> src/hash.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | const NHASH: usize = 1024;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MULTIPLIER`
[INFO] [stdout]  --> src/hash.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | const MULTIPLIER: usize = 31;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `table`
[INFO] [stdout]   --> src/hash.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     table: Vec<Vec<NameVal<T>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bits`
[INFO] [stdout]   --> src/hash.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     bits: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `split_bucket`
[INFO] [stdout]   --> src/hash.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     split_bucket: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/hash.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/hash.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn len(&self) -> usize {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hash`
[INFO] [stdout]   --> src/hash.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn hash(&self, name: &str) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup`
[INFO] [stdout]   --> src/hash.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn lookup(&self, name: &str) -> Option<&T> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `upsert`
[INFO] [stdout]   --> src/hash.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn upsert(&mut self, name: &str, value: T) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `split`
[INFO] [stdout]    --> src/hash.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn split(&mut self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]    --> src/hash.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn remove(&mut self, name: &str) -> Option<T> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/hash.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for i in 0..NHASH {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.54s
[INFO] running `Command { std: "docker" "inspect" "8135aed4ff49bfef477a36607fa039b29d6c96f2b1e51f7807be5c87bdf8b20b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8135aed4ff49bfef477a36607fa039b29d6c96f2b1e51f7807be5c87bdf8b20b", kill_on_drop: false }`
[INFO] [stdout] 8135aed4ff49bfef477a36607fa039b29d6c96f2b1e51f7807be5c87bdf8b20b