[INFO] cloning repository https://github.com/paavohuhtala/toysql
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paavohuhtala/toysql" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaavohuhtala%2Ftoysql", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaavohuhtala%2Ftoysql'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61678c0b72c8ec02948a4b2ac3c3233f605f5857
[INFO] documenting paavohuhtala/toysql against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaavohuhtala%2Ftoysql" "/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/paavohuhtala/toysql on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paavohuhtala/toysql
[INFO] finished tweaking git repo https://github.com/paavohuhtala/toysql
[INFO] tweaked toml for git repo https://github.com/paavohuhtala/toysql written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/paavohuhtala/toysql already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--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-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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd5fac1e10c4011fea0f797cb993d5239f1438a2bb1817f02cdad8bf0d2ae0a8
[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" "dd5fac1e10c4011fea0f797cb993d5239f1438a2bb1817f02cdad8bf0d2ae0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd5fac1e10c4011fea0f797cb993d5239f1438a2bb1817f02cdad8bf0d2ae0a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5fac1e10c4011fea0f797cb993d5239f1438a2bb1817f02cdad8bf0d2ae0a8", kill_on_drop: false }`
[INFO] [stdout] dd5fac1e10c4011fea0f797cb993d5239f1438a2bb1817f02cdad8bf0d2ae0a8
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abe331cab6d27494aa1b1da7d2e13e4c3aacd1a5618b3a99f0352e6f482f671b
[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" "abe331cab6d27494aa1b1da7d2e13e4c3aacd1a5618b3a99f0352e6f482f671b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking toysql v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting toysql v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/page.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     (self.data.len() / self.stride())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ColumnSchema`
[INFO] [stdout]  --> src/check_schema.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::schema::{ColumnSchema, TableSchema};
[INFO] [stdout]   |                     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ValueType`
[INFO] [stdout]  --> src/page.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::common::{Value, ValueType};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ColumnSchema`
[INFO] [stdout]  --> src/page.rs:6:39
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::schema::{BTreeIndexSchema, ColumnSchema, TableSchema};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/page.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     (self.data.len() / self.stride())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/schema.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::{Value, ValueType};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_page_and_row`
[INFO] [stdout]   --> src/database.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 |   fn from_page_and_row(page: u64, row: PageRowRef) -> Self {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `page`
[INFO] [stdout]   --> src/database.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |   fn page(&self) -> u64 {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `row`
[INFO] [stdout]   --> src/database.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 |   fn row(&self) -> PageRowRef {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `schema`
[INFO] [stdout]   --> src/database.rs:88:3
[INFO] [stdout]    |
[INFO] [stdout] 88 |   schema: &'a DatabaseSchema,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.75s
[INFO] running `Command { std: "docker" "inspect" "abe331cab6d27494aa1b1da7d2e13e4c3aacd1a5618b3a99f0352e6f482f671b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe331cab6d27494aa1b1da7d2e13e4c3aacd1a5618b3a99f0352e6f482f671b", kill_on_drop: false }`
[INFO] [stdout] abe331cab6d27494aa1b1da7d2e13e4c3aacd1a5618b3a99f0352e6f482f671b