[INFO] cloning repository https://github.com/anhlt/rust_toydb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anhlt/rust_toydb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanhlt%2Frust_toydb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanhlt%2Frust_toydb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dad4bee4ecf07b6ad699b44723d2b3ec1d4b7fe6
[INFO] testing anhlt/rust_toydb against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanhlt%2Frust_toydb" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anhlt/rust_toydb on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anhlt/rust_toydb
[INFO] finished tweaking git repo https://github.com/anhlt/rust_toydb
[INFO] tweaked toml for git repo https://github.com/anhlt/rust_toydb written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/anhlt/rust_toydb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba6171cb3a84a73f286b02a9074f5c4dceda68e9011bf72c4a22bcfb0ef31948
[INFO] running `Command { std: "docker" "start" "-a" "ba6171cb3a84a73f286b02a9074f5c4dceda68e9011bf72c4a22bcfb0ef31948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba6171cb3a84a73f286b02a9074f5c4dceda68e9011bf72c4a22bcfb0ef31948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6171cb3a84a73f286b02a9074f5c4dceda68e9011bf72c4a22bcfb0ef31948", kill_on_drop: false }`
[INFO] [stdout] ba6171cb3a84a73f286b02a9074f5c4dceda68e9011bf72c4a22bcfb0ef31948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fe9ef244c5e3de332f97feae5cf24ab8f7d185b85bcd37119603c2d34e282d05
[INFO] running `Command { std: "docker" "start" "-a" "fe9ef244c5e3de332f97feae5cf24ab8f7d185b85bcd37119603c2d34e282d05", kill_on_drop: false }`
[INFO] [stderr]    Compiling toydb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/file/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn add(&mut self, record: &dyn WriteableRecord, record_id: u32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Header`
[INFO] [stdout]   --> src/file/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Header {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Slot`
[INFO] [stdout]   --> src/file/mod.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Slot {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "fe9ef244c5e3de332f97feae5cf24ab8f7d185b85bcd37119603c2d34e282d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9ef244c5e3de332f97feae5cf24ab8f7d185b85bcd37119603c2d34e282d05", kill_on_drop: false }`
[INFO] [stdout] fe9ef244c5e3de332f97feae5cf24ab8f7d185b85bcd37119603c2d34e282d05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3cb1eacd6eac1e956b98e29222e7cd671a89b496e2068b13650f05e8ba23829
[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" "f3cb1eacd6eac1e956b98e29222e7cd671a89b496e2068b13650f05e8ba23829", kill_on_drop: false }`
[INFO] [stderr]    Compiling toydb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/file/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn add(&mut self, record: &dyn WriteableRecord, record_id: u32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Header`
[INFO] [stdout]   --> src/file/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Header {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Slot`
[INFO] [stdout]   --> src/file/mod.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Slot {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "f3cb1eacd6eac1e956b98e29222e7cd671a89b496e2068b13650f05e8ba23829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3cb1eacd6eac1e956b98e29222e7cd671a89b496e2068b13650f05e8ba23829", kill_on_drop: false }`
[INFO] [stdout] f3cb1eacd6eac1e956b98e29222e7cd671a89b496e2068b13650f05e8ba23829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5bca0c459bf3ae5876a6c6312ae86a50803052b256f5361f39186e5b94936960
[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" "5bca0c459bf3ae5876a6c6312ae86a50803052b256f5361f39186e5b94936960", 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] [stdout] 
[INFO] [stderr] warning: associated function is never used: `add`
[INFO] [stdout] running 2 tests
[INFO] [stderr]   --> src/file/mod.rs:18:8
[INFO] [stdout] test file::mem::tests::test_mem_file_read_write ... ok
[INFO] [stderr]    |
[INFO] [stdout] test file::record::tests::test_init_plain_string_record ... ok
[INFO] [stderr] 18 |     fn add(&mut self, record: &dyn WriteableRecord, record_id: u32) {
[INFO] [stdout] 
[INFO] [stderr]    |        ^^^
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Header`
[INFO] [stderr]   --> src/file/mod.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct Header {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Slot`
[INFO] [stderr]   --> src/file/mod.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct Slot {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/toydb-c3c23505236c66f7)
[INFO] running `Command { std: "docker" "inspect" "5bca0c459bf3ae5876a6c6312ae86a50803052b256f5361f39186e5b94936960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bca0c459bf3ae5876a6c6312ae86a50803052b256f5361f39186e5b94936960", kill_on_drop: false }`
[INFO] [stdout] 5bca0c459bf3ae5876a6c6312ae86a50803052b256f5361f39186e5b94936960