[INFO] cloning 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" "clone" "--bare" "https://github.com/zacharyhamm/stupid_hash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacharyhamm%2Fstupid_hash", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacharyhamm%2Fstupid_hash'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 704d7ecfb9b0f62b4158b8b36db26146bb12b716 [INFO] checking zacharyhamm/stupid_hash against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacharyhamm%2Fstupid_hash" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zacharyhamm/stupid_hash on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-10/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" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-10/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] facf05c6bdf389f8acaaef2f4a2894730c0f133d90f637c6dd6490c3e7220d24 [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" "facf05c6bdf389f8acaaef2f4a2894730c0f133d90f637c6dd6490c3e7220d24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "facf05c6bdf389f8acaaef2f4a2894730c0f133d90f637c6dd6490c3e7220d24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "facf05c6bdf389f8acaaef2f4a2894730c0f133d90f637c6dd6490c3e7220d24", kill_on_drop: false }` [INFO] [stdout] facf05c6bdf389f8acaaef2f4a2894730c0f133d90f637c6dd6490c3e7220d24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a53c69a38f45def3d39b0737230507156f0d917539497a968c943e29625f48d [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" "7a53c69a38f45def3d39b0737230507156f0d917539497a968c943e29625f48d", 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>>, [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 { [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 0.25s [INFO] running `Command { std: "docker" "inspect" "7a53c69a38f45def3d39b0737230507156f0d917539497a968c943e29625f48d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a53c69a38f45def3d39b0737230507156f0d917539497a968c943e29625f48d", kill_on_drop: false }` [INFO] [stdout] 7a53c69a38f45def3d39b0737230507156f0d917539497a968c943e29625f48d