[INFO] cloning repository https://github.com/Kelvinyu1117/buffer-pool-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kelvinyu1117/buffer-pool-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelvinyu1117%2Fbuffer-pool-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelvinyu1117%2Fbuffer-pool-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b08d49f3b25d8e443ad0df5bba38d252d8fc95a4
[INFO] checking Kelvinyu1117/buffer-pool-rs against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKelvinyu1117%2Fbuffer-pool-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kelvinyu1117/buffer-pool-rs
[INFO] finished tweaking git repo https://github.com/Kelvinyu1117/buffer-pool-rs
[INFO] tweaked toml for git repo https://github.com/Kelvinyu1117/buffer-pool-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kelvinyu1117/buffer-pool-rs on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kelvinyu1117/buffer-pool-rs 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e04767c164ab62b689e6c7894f63b36c90fd7f655d822fd20158ba3f2bca6ad9
[INFO] running `Command { std: "docker" "start" "-a" "e04767c164ab62b689e6c7894f63b36c90fd7f655d822fd20158ba3f2bca6ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e04767c164ab62b689e6c7894f63b36c90fd7f655d822fd20158ba3f2bca6ad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04767c164ab62b689e6c7894f63b36c90fd7f655d822fd20158ba3f2bca6ad9", kill_on_drop: false }`
[INFO] [stdout] e04767c164ab62b689e6c7894f63b36c90fd7f655d822fd20158ba3f2bca6ad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4dc7cc84bdcb6621e4780643c54db1fadfe3d6efd8eafafc2b16c62a375bd2
[INFO] running `Command { std: "docker" "start" "-a" "6b4dc7cc84bdcb6621e4780643c54db1fadfe3d6efd8eafafc2b16c62a375bd2", kill_on_drop: false }`
[INFO] [stderr]     Checking buffer-pool-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/config.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct FrameId(i32);
[INFO] [stdout]   |            ------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[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/config.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct PageId(i32);
[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: field `0` is never read
[INFO] [stdout]  --> src/config.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct FrameId(i32);
[INFO] [stdout]   |            ------- ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[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/config.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct PageId(i32);
[INFO] [stdout]   |            ------ ^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "6b4dc7cc84bdcb6621e4780643c54db1fadfe3d6efd8eafafc2b16c62a375bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4dc7cc84bdcb6621e4780643c54db1fadfe3d6efd8eafafc2b16c62a375bd2", kill_on_drop: false }`
[INFO] [stdout] 6b4dc7cc84bdcb6621e4780643c54db1fadfe3d6efd8eafafc2b16c62a375bd2