[INFO] fetching crate small-db 0.4.0...
[INFO] testing small-db-0.4.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate small-db 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate small-db 0.4.0
[INFO] finished tweaking crates.io crate small-db 0.4.0
[INFO] tweaked toml for crates.io crate small-db 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate small-db 0.4.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 52 packages to latest compatible versions
[INFO] [stderr]       Adding bit-vec v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.8)
[INFO] [stderr]       Adding itertools v0.9.0 (available: v0.14.0)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4db0d1790cf74b570e341c2a24f474eea1ecfe91b0d8b7eaa5931808a56fb9b3
[INFO] running `Command { std: "docker" "start" "-a" "4db0d1790cf74b570e341c2a24f474eea1ecfe91b0d8b7eaa5931808a56fb9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4db0d1790cf74b570e341c2a24f474eea1ecfe91b0d8b7eaa5931808a56fb9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db0d1790cf74b570e341c2a24f474eea1ecfe91b0d8b7eaa5931808a56fb9b3", kill_on_drop: false }`
[INFO] [stdout] 4db0d1790cf74b570e341c2a24f474eea1ecfe91b0d8b7eaa5931808a56fb9b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36c6cf66baee8341d2d860e0ee362bbc2c9d582aa422e9373948d0a7a0fb2628
[INFO] running `Command { std: "docker" "start" "-a" "36c6cf66baee8341d2d860e0ee362bbc2c9d582aa422e9373948d0a7a0fb2628", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling small-db v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `delete::*`
[INFO] [stdout]  --> src/btree/table/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use delete::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `utils::init_log`
[INFO] [stdout]   --> src/utils/other.rs:26:49
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub use crate::{btree::tuple::small_int_schema, utils::init_log};
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/concurrent_status.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         panic!("acquire_lock timeout");
[INFO] [stdout]    |         ------------------------------ any code following this expression is unreachable
[INFO] [stdout] 96 |
[INFO] [stdout] 97 |         return Err(SmallError::new("acquire lock timeout"));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `btree::page::BTreePage`
[INFO] [stdout]   --> src/io.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     btree::page::BTreePage, error::SmallError, types::SmallResult,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/tx_log/log_manager.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{Read, Seek, Write},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Write`
[INFO] [stdout]  --> src/btree/table/delete.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::Write,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::prelude`
[INFO] [stdout]  --> src/utils/other.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     io::prelude::*,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `*self` which is behind a shared reference
[INFO] [stdout]   --> src/tx_log/log_manager.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 |         vec![*self as u8]
[INFO] [stdout]    |              ^^^^^ move occurs because `*self` has type `RecordType`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout] note: if `RecordType` implemented `Clone`, you could clone the value
[INFO] [stdout]   --> src/tx_log/log_manager.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum RecordType {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ consider implementing `Clone` for this type
[INFO] [stdout] ...
[INFO] [stdout] 59 |         vec![*self as u8]
[INFO] [stdout]    |              ----- you could clone this value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0507`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `small-db` (lib) due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "36c6cf66baee8341d2d860e0ee362bbc2c9d582aa422e9373948d0a7a0fb2628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36c6cf66baee8341d2d860e0ee362bbc2c9d582aa422e9373948d0a7a0fb2628", kill_on_drop: false }`
[INFO] [stdout] 36c6cf66baee8341d2d860e0ee362bbc2c9d582aa422e9373948d0a7a0fb2628