[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 master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabeatnik%2Flsm-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abeatnik/lsm-rs on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.2.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bd9a369756d6437e7f4ab2963122588dbecf2636ecbc669e25a53e588243aa1
[INFO] running `Command { std: "docker" "start" "-a" "9bd9a369756d6437e7f4ab2963122588dbecf2636ecbc669e25a53e588243aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bd9a369756d6437e7f4ab2963122588dbecf2636ecbc669e25a53e588243aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd9a369756d6437e7f4ab2963122588dbecf2636ecbc669e25a53e588243aa1", kill_on_drop: false }`
[INFO] [stdout] 9bd9a369756d6437e7f4ab2963122588dbecf2636ecbc669e25a53e588243aa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73c8a1035feca7a13527f02df876eca2e74ecb261ccd60fd17510079535910f6
[INFO] running `Command { std: "docker" "start" "-a" "73c8a1035feca7a13527f02df876eca2e74ecb261ccd60fd17510079535910f6", 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]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking bincode v2.0.1
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "73c8a1035feca7a13527f02df876eca2e74ecb261ccd60fd17510079535910f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73c8a1035feca7a13527f02df876eca2e74ecb261ccd60fd17510079535910f6", kill_on_drop: false }`
[INFO] [stdout] 73c8a1035feca7a13527f02df876eca2e74ecb261ccd60fd17510079535910f6
