[INFO] cloning repository https://github.com/jcdyer/potpot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcdyer/potpot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fpotpot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fpotpot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aa9d22671d83cbb28ce2519728579b9e3912c601 [INFO] checking jcdyer/potpot against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fpotpot" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jcdyer/potpot on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jcdyer/potpot [INFO] finished tweaking git repo https://github.com/jcdyer/potpot [INFO] tweaked toml for git repo https://github.com/jcdyer/potpot written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] f9d0ba0b6933a752e9542e7e2109d445e6054529a3e745706fc1ce391bc6327d [INFO] running `Command { std: "docker" "start" "-a" "f9d0ba0b6933a752e9542e7e2109d445e6054529a3e745706fc1ce391bc6327d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9d0ba0b6933a752e9542e7e2109d445e6054529a3e745706fc1ce391bc6327d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9d0ba0b6933a752e9542e7e2109d445e6054529a3e745706fc1ce391bc6327d", kill_on_drop: false }` [INFO] [stdout] f9d0ba0b6933a752e9542e7e2109d445e6054529a3e745706fc1ce391bc6327d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd41830e8570c67db1a0c4123c9bbe093c2a579052f22cc502881b642d0d82cb [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" "cd41830e8570c67db1a0c4123c9bbe093c2a579052f22cc502881b642d0d82cb", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Checking bitvec v0.17.4 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Checking twox-hash v1.5.0 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking potpot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `page` [INFO] [stdout] --> src/hashtable.rs:151:13 [INFO] [stdout] | [INFO] [stdout] 151 | let mut page: page::Page = page::Page::from_aligned(page_buffer)?; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slot_num` [INFO] [stdout] --> src/hashtable.rs:155:13 [INFO] [stdout] | [INFO] [stdout] 155 | let slot_num = hash % self.capacity() as u64; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slot_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/hashtable.rs:176:23 [INFO] [stdout] | [INFO] [stdout] 176 | pub fn get(&self, key: u64) -> Option<&V> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hashtable.rs:151:13 [INFO] [stdout] | [INFO] [stdout] 151 | let mut page: page::Page = page::Page::from_aligned(page_buffer)?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Crc32` [INFO] [stdout] --> src/hashtable.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | Crc32 = 0, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `HashAlgorithm` [INFO] [stdout] --> src/hashtable.rs:207:9 [INFO] [stdout] | [INFO] [stdout] 207 | HashAlgorithm = 3, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `HashSeed` [INFO] [stdout] --> src/hashtable.rs:208:9 [INFO] [stdout] | [INFO] [stdout] 208 | HashSeed = 4, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Data` [INFO] [stdout] --> src/hashtable.rs:209:9 [INFO] [stdout] | [INFO] [stdout] 209 | Data = 5, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_u16` [INFO] [stdout] --> src/hashtable.rs:240:8 [INFO] [stdout] | [INFO] [stdout] 240 | fn read_u16(s: &[u8]) -> u16 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_u32` [INFO] [stdout] --> src/hashtable.rs:249:8 [INFO] [stdout] | [INFO] [stdout] 249 | fn read_u32(s: &[u8]) -> u32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_crc` [INFO] [stdout] --> src/hashtable.rs:272:12 [INFO] [stdout] | [INFO] [stdout] 272 | fn set_crc(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value_size` [INFO] [stdout] --> src/hashtable.rs:277:23 [INFO] [stdout] | [INFO] [stdout] 277 | pub(super) fn value_size(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_field` [INFO] [stdout] --> src/hashtable.rs:290:12 [INFO] [stdout] | [INFO] [stdout] 290 | fn read_field(&self, field: FieldIndex) -> &[u8] { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hash_algorithm` [INFO] [stdout] --> src/hashtable.rs:341:23 [INFO] [stdout] | [INFO] [stdout] 341 | pub(super) fn hash_algorithm(&self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Result` [INFO] [stdout] --> src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | pub(crate) type Result = std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `MasterRecord` [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | MasterRecord = 0x0000, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DataPage` [INFO] [stdout] --> src/lib.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | DataPage = 0x1000, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `HashTableFixedWidthSlot` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | HashTableFixedWidthSlot = 0x2001, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `page` [INFO] [stdout] --> src/hashtable.rs:151:13 [INFO] [stdout] | [INFO] [stdout] 151 | let mut page: page::Page = page::Page::from_aligned(page_buffer)?; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `slot_num` [INFO] [stdout] --> src/hashtable.rs:155:13 [INFO] [stdout] | [INFO] [stdout] 155 | let slot_num = hash % self.capacity() as u64; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_slot_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/hashtable.rs:176:23 [INFO] [stdout] | [INFO] [stdout] 176 | pub fn get(&self, key: u64) -> Option<&V> { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hashtable.rs:151:13 [INFO] [stdout] | [INFO] [stdout] 151 | let mut page: page::Page = page::Page::from_aligned(page_buffer)?; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Crc32` [INFO] [stdout] --> src/hashtable.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | Crc32 = 0, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `HashAlgorithm` [INFO] [stdout] --> src/hashtable.rs:207:9 [INFO] [stdout] | [INFO] [stdout] 207 | HashAlgorithm = 3, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `HashSeed` [INFO] [stdout] --> src/hashtable.rs:208:9 [INFO] [stdout] | [INFO] [stdout] 208 | HashSeed = 4, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Data` [INFO] [stdout] --> src/hashtable.rs:209:9 [INFO] [stdout] | [INFO] [stdout] 209 | Data = 5, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_u16` [INFO] [stdout] --> src/hashtable.rs:240:8 [INFO] [stdout] | [INFO] [stdout] 240 | fn read_u16(s: &[u8]) -> u16 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_u32` [INFO] [stdout] --> src/hashtable.rs:249:8 [INFO] [stdout] | [INFO] [stdout] 249 | fn read_u32(s: &[u8]) -> u32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_crc` [INFO] [stdout] --> src/hashtable.rs:272:12 [INFO] [stdout] | [INFO] [stdout] 272 | fn set_crc(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value_size` [INFO] [stdout] --> src/hashtable.rs:277:23 [INFO] [stdout] | [INFO] [stdout] 277 | pub(super) fn value_size(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `read_field` [INFO] [stdout] --> src/hashtable.rs:290:12 [INFO] [stdout] | [INFO] [stdout] 290 | fn read_field(&self, field: FieldIndex) -> &[u8] { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `hash_algorithm` [INFO] [stdout] --> src/hashtable.rs:341:23 [INFO] [stdout] | [INFO] [stdout] 341 | pub(super) fn hash_algorithm(&self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Result` [INFO] [stdout] --> src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | pub(crate) type Result = std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `MasterRecord` [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | MasterRecord = 0x0000, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `DataPage` [INFO] [stdout] --> src/lib.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | DataPage = 0x1000, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `HashTableFixedWidthSlot` [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | HashTableFixedWidthSlot = 0x2001, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.32s [INFO] running `Command { std: "docker" "inspect" "cd41830e8570c67db1a0c4123c9bbe093c2a579052f22cc502881b642d0d82cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd41830e8570c67db1a0c4123c9bbe093c2a579052f22cc502881b642d0d82cb", kill_on_drop: false }` [INFO] [stdout] cd41830e8570c67db1a0c4123c9bbe093c2a579052f22cc502881b642d0d82cb