[INFO] cloning repository https://github.com/jreedmoore/purpledb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jreedmoore/purpledb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjreedmoore%2Fpurpledb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjreedmoore%2Fpurpledb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f9443369cc1351b4ca22002e6d5faa359ea10d0
[INFO] checking jreedmoore/purpledb against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjreedmoore%2Fpurpledb" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jreedmoore/purpledb
[INFO] finished tweaking git repo https://github.com/jreedmoore/purpledb
[INFO] tweaked toml for git repo https://github.com/jreedmoore/purpledb written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jreedmoore/purpledb on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jreedmoore/purpledb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b867375f81f3f67d43055c17375fb0d291d075a8585a368036e3979783e936e
[INFO] running `Command { std: "docker" "start" "-a" "8b867375f81f3f67d43055c17375fb0d291d075a8585a368036e3979783e936e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b867375f81f3f67d43055c17375fb0d291d075a8585a368036e3979783e936e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b867375f81f3f67d43055c17375fb0d291d075a8585a368036e3979783e936e", kill_on_drop: false }`
[INFO] [stdout] 8b867375f81f3f67d43055c17375fb0d291d075a8585a368036e3979783e936e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e7e11b547ecf9f11c91c69f89052da06297edb8ab1ceebfd4126d9e9c9ce16a
[INFO] running `Command { std: "docker" "start" "-a" "6e7e11b547ecf9f11c91c69f89052da06297edb8ab1ceebfd4126d9e9c9ce16a", kill_on_drop: false }`
[INFO] [stderr]     Checking purpledb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/storage.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_get_read`, `release_read`, `try_get_write`, and `release_write` are never used
[INFO] [stdout]   --> src/page_store.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl<'store, S: Storage> PageStore<S> {
[INFO] [stdout]    | ------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn try_get_read(&'store self, page: &PageId) -> Result<*const Data, PageError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn release_read(&'store self, page: &PageId) -> Result<(), PageError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn try_get_write(&'store self, page: &PageId) -> Result<*mut Data, PageError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn release_write(&'store self, page: &PageId) -> Result<(), PageError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_get_read`, `release_read`, `try_get_write`, and `release_write` are never used
[INFO] [stdout]    --> src/page_store.rs:97:8
[INFO] [stdout]     |
[INFO] [stdout]  53 | impl<S: Storage> PoolInternal<S> {
[INFO] [stdout]     | -------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  97 |     fn try_get_read(&mut self, page: &PageId) -> Result<*const Data, PageError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn release_read(&mut self, page: &PageId) -> Result<(), PageError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn try_get_write(&mut self, page: &PageId) -> Result<*mut Data, PageError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     fn release_write(&mut self, page: &PageId) -> Result<(), PageError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `readers` and `writer` are never read
[INFO] [stdout]    --> src/page_store.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 136 | struct PageMeta {
[INFO] [stdout]     |        -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 139 |     readers: usize,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 140 |     writer: bool,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_read` and `try_write` are never used
[INFO] [stdout]    --> src/page_store.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 147 | impl<'pin, 'store, S: Storage> PinnedPage<'store, S> {
[INFO] [stdout]     | ---------------------------------------------------- methods in this implementation
[INFO] [stdout] 148 |     fn try_read(&'pin self) -> Result<ConstPage<'pin, 'store, S>, PageError> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn try_write(&'pin self) -> Result<MutPage<'pin, 'store, S>, PageError> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConstPage` is never constructed
[INFO] [stdout]    --> src/page_store.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | struct ConstPage<'pin, 'store, S: Storage> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MutPage` is never constructed
[INFO] [stdout]    --> src/page_store.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | struct MutPage<'pin, 'store, S: Storage> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "6e7e11b547ecf9f11c91c69f89052da06297edb8ab1ceebfd4126d9e9c9ce16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e7e11b547ecf9f11c91c69f89052da06297edb8ab1ceebfd4126d9e9c9ce16a", kill_on_drop: false }`
[INFO] [stdout] 6e7e11b547ecf9f11c91c69f89052da06297edb8ab1ceebfd4126d9e9c9ce16a
