[INFO] cloning repository https://github.com/abeatnik/lsm-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abeatnik/lsm-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabeatnik%2Flsm-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabeatnik%2Flsm-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e98834c4ca2f2ac36f203120410b0d299c190d29
[INFO] checking abeatnik/lsm-rs against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabeatnik%2Flsm-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/abeatnik/lsm-rs
[INFO] finished tweaking git repo https://github.com/abeatnik/lsm-rs
[INFO] tweaked toml for git repo https://github.com/abeatnik/lsm-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abeatnik/lsm-rs on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/abeatnik/lsm-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f5c691eb420ada856a915899f803dcdea05d9b660cf055756df60ad1f55bb0c
[INFO] running `Command { std: "docker" "start" "-a" "8f5c691eb420ada856a915899f803dcdea05d9b660cf055756df60ad1f55bb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f5c691eb420ada856a915899f803dcdea05d9b660cf055756df60ad1f55bb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5c691eb420ada856a915899f803dcdea05d9b660cf055756df60ad1f55bb0c", kill_on_drop: false }`
[INFO] [stdout] 8f5c691eb420ada856a915899f803dcdea05d9b660cf055756df60ad1f55bb0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e155db3c13c43f1f5ae802287055869f677b26b978c51eb4b46373e25f409ee2
[INFO] running `Command { std: "docker" "start" "-a" "e155db3c13c43f1f5ae802287055869f677b26b978c51eb4b46373e25f409ee2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-skiplist v0.1.3
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking lsm-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Mutex` and `RwLock`
[INFO] [stdout]  --> src/storage.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{ Arc, RwLock, Mutex };
[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 imports: `Mutex` and `RwLock`
[INFO] [stdout]  --> src/storage.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::{ Arc, RwLock, Mutex };
[INFO] [stdout]   |                       ^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `LsmStorage` is never constructed
[INFO] [stdout]  --> src/storage.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct LsmStorage {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lsm-tree` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `LsmStorage` is never constructed
[INFO] [stdout]  --> src/storage.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct LsmStorage {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lsm-tree` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e155db3c13c43f1f5ae802287055869f677b26b978c51eb4b46373e25f409ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e155db3c13c43f1f5ae802287055869f677b26b978c51eb4b46373e25f409ee2", kill_on_drop: false }`
[INFO] [stdout] e155db3c13c43f1f5ae802287055869f677b26b978c51eb4b46373e25f409ee2
