[INFO] cloning repository https://github.com/winter-loo/sqltoy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/winter-loo/sqltoy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinter-loo%2Fsqltoy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinter-loo%2Fsqltoy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3e5a86fa9bdb0ce74f6b948606c709aeebc3b54
[INFO] checking winter-loo/sqltoy against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinter-loo%2Fsqltoy" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/winter-loo/sqltoy
[INFO] finished tweaking git repo https://github.com/winter-loo/sqltoy
[INFO] tweaked toml for git repo https://github.com/winter-loo/sqltoy written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/winter-loo/sqltoy on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/winter-loo/sqltoy 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" "+011c518242557d21690f7936b5812318dc2fec47" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking winter-loo/sqltoy against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinter-loo%2Fsqltoy" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/winter-loo/sqltoy
[INFO] finished tweaking git repo https://github.com/winter-loo/sqltoy
[INFO] tweaked toml for git repo https://github.com/winter-loo/sqltoy written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/winter-loo/sqltoy on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/winter-loo/sqltoy 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" "+011c518242557d21690f7936b5812318dc2fec47" "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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f15784473fd99f3a9665be1f887649f664205ab24e28e5481745253b94ae4bf3
[INFO] running `Command { std: "docker" "start" "f15784473fd99f3a9665be1f887649f664205ab24e28e5481745253b94ae4bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f15784473fd99f3a9665be1f887649f664205ab24e28e5481745253b94ae4bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f15784473fd99f3a9665be1f887649f664205ab24e28e5481745253b94ae4bf3" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f15784473fd99f3a9665be1f887649f664205ab24e28e5481745253b94ae4bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f15784473fd99f3a9665be1f887649f664205ab24e28e5481745253b94ae4bf3" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking sqltoy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `serialize` is never used
[INFO] [stdout]    --> src/main.rs:197:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl Row {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 197 |     fn serialize(&self, out: &mut Vec<u8>) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:369:15
[INFO] [stdout]     |
[INFO] [stdout] 369 | struct PageNo(u32);
[INFO] [stdout]     |        ------ ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `PAGE_TYPE_SIZE`, `FIRST_FREE_BLOCK_OFFSET`, and `FIRST_FREE_BLOCK_SIZE` are never used
[INFO] [stdout]    --> src/main.rs:375:11
[INFO] [stdout]     |
[INFO] [stdout] 373 | impl Page {
[INFO] [stdout]     | --------- associated constants in this implementation
[INFO] [stdout] 374 |     const PAGE_TYPE_OFFSET: usize = 0;
[INFO] [stdout] 375 |     const PAGE_TYPE_SIZE: usize = 1;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] 376 |     const FIRST_FREE_BLOCK_OFFSET: usize = 1;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 377 |     const FIRST_FREE_BLOCK_SIZE: usize = 2;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:472:19
[INFO] [stdout]     |
[INFO] [stdout] 472 |     TableInterior(TableInteriorCell),
[INFO] [stdout]     |     ------------- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 472 -     TableInterior(TableInteriorCell),
[INFO] [stdout] 472 +     TableInterior(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:473:15
[INFO] [stdout]     |
[INFO] [stdout] 473 |     IndexLeaf(IndexLeafCell<'a>),
[INFO] [stdout]     |     --------- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 473 -     IndexLeaf(IndexLeafCell<'a>),
[INFO] [stdout] 473 +     IndexLeaf(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:474:19
[INFO] [stdout]     |
[INFO] [stdout] 474 |     IndexInterior(IndexInteriorCell<'a>),
[INFO] [stdout]     |     ------------- ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 474 -     IndexInterior(IndexInteriorCell<'a>),
[INFO] [stdout] 474 +     IndexInterior(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rowid` is never read
[INFO] [stdout]    --> src/main.rs:478:5
[INFO] [stdout]     |
[INFO] [stdout] 477 | struct TableLeafCell<'a> {
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] 478 |     rowid: u64,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left_child` and `rowid` are never read
[INFO] [stdout]    --> src/main.rs:538:5
[INFO] [stdout]     |
[INFO] [stdout] 537 | struct TableInteriorCell {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] 538 |     left_child: PageNo,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 539 |     rowid: u64,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `payload` is never read
[INFO] [stdout]    --> src/main.rs:551:5
[INFO] [stdout]     |
[INFO] [stdout] 550 | struct IndexLeafCell<'a> {
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] 551 |     payload: &'a [u8],
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left_child` and `payload` are never read
[INFO] [stdout]    --> src/main.rs:577:5
[INFO] [stdout]     |
[INFO] [stdout] 576 | struct IndexInteriorCell<'a> {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] 577 |     left_child: PageNo,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 578 |     payload: &'a [u8],
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `serialize` is never used
[INFO] [stdout]    --> src/main.rs:197:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl Row {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 197 |     fn serialize(&self, out: &mut Vec<u8>) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:369:15
[INFO] [stdout]     |
[INFO] [stdout] 369 | struct PageNo(u32);
[INFO] [stdout]     |        ------ ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `PAGE_TYPE_SIZE`, `FIRST_FREE_BLOCK_OFFSET`, and `FIRST_FREE_BLOCK_SIZE` are never used
[INFO] [stdout]    --> src/main.rs:375:11
[INFO] [stdout]     |
[INFO] [stdout] 373 | impl Page {
[INFO] [stdout]     | --------- associated constants in this implementation
[INFO] [stdout] 374 |     const PAGE_TYPE_OFFSET: usize = 0;
[INFO] [stdout] 375 |     const PAGE_TYPE_SIZE: usize = 1;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] 376 |     const FIRST_FREE_BLOCK_OFFSET: usize = 1;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 377 |     const FIRST_FREE_BLOCK_SIZE: usize = 2;
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:472:19
[INFO] [stdout]     |
[INFO] [stdout] 472 |     TableInterior(TableInteriorCell),
[INFO] [stdout]     |     ------------- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 472 -     TableInterior(TableInteriorCell),
[INFO] [stdout] 472 +     TableInterior(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:473:15
[INFO] [stdout]     |
[INFO] [stdout] 473 |     IndexLeaf(IndexLeafCell<'a>),
[INFO] [stdout]     |     --------- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 473 -     IndexLeaf(IndexLeafCell<'a>),
[INFO] [stdout] 473 +     IndexLeaf(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/main.rs:474:19
[INFO] [stdout]     |
[INFO] [stdout] 474 |     IndexInterior(IndexInteriorCell<'a>),
[INFO] [stdout]     |     ------------- ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 474 -     IndexInterior(IndexInteriorCell<'a>),
[INFO] [stdout] 474 +     IndexInterior(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `rowid` is never read
[INFO] [stdout]    --> src/main.rs:478:5
[INFO] [stdout]     |
[INFO] [stdout] 477 | struct TableLeafCell<'a> {
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] 478 |     rowid: u64,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left_child` and `rowid` are never read
[INFO] [stdout]    --> src/main.rs:538:5
[INFO] [stdout]     |
[INFO] [stdout] 537 | struct TableInteriorCell {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] 538 |     left_child: PageNo,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 539 |     rowid: u64,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `payload` is never read
[INFO] [stdout]    --> src/main.rs:551:5
[INFO] [stdout]     |
[INFO] [stdout] 550 | struct IndexLeafCell<'a> {
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] 551 |     payload: &'a [u8],
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left_child` and `payload` are never read
[INFO] [stdout]    --> src/main.rs:577:5
[INFO] [stdout]     |
[INFO] [stdout] 576 | struct IndexInteriorCell<'a> {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] 577 |     left_child: PageNo,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 578 |     payload: &'a [u8],
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "f15784473fd99f3a9665be1f887649f664205ab24e28e5481745253b94ae4bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15784473fd99f3a9665be1f887649f664205ab24e28e5481745253b94ae4bf3", kill_on_drop: false }`
[INFO] [stdout] f15784473fd99f3a9665be1f887649f664205ab24e28e5481745253b94ae4bf3
