[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] 0f416741aaf9fbe951f51134b02db24a5df69782
[INFO] building jcdyer/potpot against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcdyer%2Fpotpot" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcdyer/potpot on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding bitvec v0.17.4 (available: v1.0.1)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.8.5)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.9)
[INFO] [stderr]       Adding twox-hash v1.6.3 (available: v2.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0af742c23c61d974eebf03fd055d2ebd4f6a765fcd1aed2f1f8bbda417524788
[INFO] running `Command { std: "docker" "start" "-a" "0af742c23c61d974eebf03fd055d2ebd4f6a765fcd1aed2f1f8bbda417524788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0af742c23c61d974eebf03fd055d2ebd4f6a765fcd1aed2f1f8bbda417524788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af742c23c61d974eebf03fd055d2ebd4f6a765fcd1aed2f1f8bbda417524788", kill_on_drop: false }`
[INFO] [stdout] 0af742c23c61d974eebf03fd055d2ebd4f6a765fcd1aed2f1f8bbda417524788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 550373a9cc70899431edf08d743acdf4f01e003298f0a18589cb7e32e356cccd
[INFO] running `Command { std: "docker" "start" "-a" "550373a9cc70899431edf08d743acdf4f01e003298f0a18589cb7e32e356cccd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling potpot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: module `crc32` is private
[INFO] [stdout]   --> src/aligned.rs:1:10
[INFO] [stdout]    |
[INFO] [stdout] 1  | use crc::crc32;
[INFO] [stdout]    |          ^^^^^ private module
[INFO] [stdout]    |
[INFO] [stdout] note: the module `crc32` is defined here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crc-3.2.1/src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | mod crc32;
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `crc32` is private
[INFO] [stdout]    --> src/hashtable.rs:229:14
[INFO] [stdout]     |
[INFO] [stdout] 229 |     use crc::crc32;
[INFO] [stdout]     |              ^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `crc32` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crc-3.2.1/src/lib.rs:36:1
[INFO] [stdout]     |
[INFO] [stdout] 36  | mod crc32;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryFrom`
[INFO] [stdout]    --> src/hashtable.rs:224:19
[INFO] [stdout]     |
[INFO] [stdout] 224 |         convert::{TryFrom, TryInto},
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `page`
[INFO] [stdout]    --> src/hashtable.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut page: page::Page<V> = 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`
[INFO] [stdout]    --> src/hashtable.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let slot = hash % self.capacity() as u64;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_slot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/hashtable.rs:143:40
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn insert(&mut self, key: u64, value: V) -> anyhow::Result<()>
[INFO] [stdout]     |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[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<V> = 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: unused variable: `key`
[INFO] [stdout]    --> src/hashtable.rs:166:23
[INFO] [stdout]     |
[INFO] [stdout] 166 |     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: unused variable: `x`
[INFO] [stdout]    --> src/hashtable.rs:352:17
[INFO] [stdout]     |
[INFO] [stdout] 352 |             let x: Box<[u8]> = Box::new([1, 2, 3u8]);
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/hashtable.rs:353:17
[INFO] [stdout]     |
[INFO] [stdout] 353 |             let x: Box<str> = "abc".into();
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `potpot` (lib) due to 2 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "550373a9cc70899431edf08d743acdf4f01e003298f0a18589cb7e32e356cccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550373a9cc70899431edf08d743acdf4f01e003298f0a18589cb7e32e356cccd", kill_on_drop: false }`
[INFO] [stdout] 550373a9cc70899431edf08d743acdf4f01e003298f0a18589cb7e32e356cccd