[INFO] cloning repository https://github.com/j0rGeT/simpledb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j0rGeT/simpledb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj0rGeT%2Fsimpledb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj0rGeT%2Fsimpledb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef704023e7b2e0ed64c19cf6e716a6e03bdb4c59
[INFO] testing j0rGeT/simpledb against try#bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b for pr-154756
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj0rGeT%2Fsimpledb" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/j0rGeT/simpledb
[INFO] finished tweaking git repo https://github.com/j0rGeT/simpledb
[INFO] tweaked toml for git repo https://github.com/j0rGeT/simpledb written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/j0rGeT/simpledb on toolchain bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/j0rGeT/simpledb 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" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c19c3a5b6ca4bbab94352c97af1e9b94c26003c09ee01958f380e8fdf46dcfa
[INFO] running `Command { std: "docker" "start" "-a" "5c19c3a5b6ca4bbab94352c97af1e9b94c26003c09ee01958f380e8fdf46dcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c19c3a5b6ca4bbab94352c97af1e9b94c26003c09ee01958f380e8fdf46dcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c19c3a5b6ca4bbab94352c97af1e9b94c26003c09ee01958f380e8fdf46dcfa", kill_on_drop: false }`
[INFO] [stdout] 5c19c3a5b6ca4bbab94352c97af1e9b94c26003c09ee01958f380e8fdf46dcfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af12199f5b2533e608e2315dfba0adc38d4525b66f11d62fabdaeb4aef78717e
[INFO] running `Command { std: "docker" "start" "-a" "af12199f5b2533e608e2315dfba0adc38d4525b66f11d62fabdaeb4aef78717e", kill_on_drop: false }`
[INFO] [stderr]    Compiling simpledb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:337:13
[INFO] [stdout]     |
[INFO] [stdout] 337 |         let mut wal = WriteAheadLog::new(wal_path)?;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:366:33
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   let mut sstable = SSTable::new(entry.path());
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "af12199f5b2533e608e2315dfba0adc38d4525b66f11d62fabdaeb4aef78717e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af12199f5b2533e608e2315dfba0adc38d4525b66f11d62fabdaeb4aef78717e", kill_on_drop: false }`
[INFO] [stdout] af12199f5b2533e608e2315dfba0adc38d4525b66f11d62fabdaeb4aef78717e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d658a16e13c678088adbb41c95a38eeea8a47ea867c11edde7a9b9c93e3950d7
[INFO] running `Command { std: "docker" "start" "-a" "d658a16e13c678088adbb41c95a38eeea8a47ea867c11edde7a9b9c93e3950d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling simpledb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:337:13
[INFO] [stdout]     |
[INFO] [stdout] 337 |         let mut wal = WriteAheadLog::new(wal_path)?;
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:366:33
[INFO] [stdout]     |
[INFO] [stdout] 366 | ...                   let mut sstable = SSTable::new(entry.path());
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "d658a16e13c678088adbb41c95a38eeea8a47ea867c11edde7a9b9c93e3950d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d658a16e13c678088adbb41c95a38eeea8a47ea867c11edde7a9b9c93e3950d7", kill_on_drop: false }`
[INFO] [stdout] d658a16e13c678088adbb41c95a38eeea8a47ea867c11edde7a9b9c93e3950d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbf43bc9d5c8ad2a2e38c9004e5a59b269820b3b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ff61dfc23c7ff455be6b762d09516153931917fe520c15cab5c898e87d7ba9d
[INFO] running `Command { std: "docker" "start" "-a" "8ff61dfc23c7ff455be6b762d09516153931917fe520c15cab5c898e87d7ba9d", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:337:13
[INFO] [stderr]     |
[INFO] [stderr] 337 |         let mut wal = WriteAheadLog::new(wal_path)?;
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:366:33
[INFO] [stderr]     |
[INFO] [stderr] 366 | ...                   let mut sstable = SSTable::new(entry.path());
[INFO] [stderr]     |                           ----^^^^^^^
[INFO] [stderr]     |                           |
[INFO] [stderr]     |                           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `simpledb` (bin "simpledb" test) generated 2 warnings (run `cargo fix --bin "simpledb" -p simpledb --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simpledb-df59489a332af363)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_basic_operations ... ok
[INFO] [stdout] test tests::test_wal_recovery ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8ff61dfc23c7ff455be6b762d09516153931917fe520c15cab5c898e87d7ba9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff61dfc23c7ff455be6b762d09516153931917fe520c15cab5c898e87d7ba9d", kill_on_drop: false }`
[INFO] [stdout] 8ff61dfc23c7ff455be6b762d09516153931917fe520c15cab5c898e87d7ba9d