[INFO] cloning repository https://github.com/prince776/LSM-Tree-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prince776/LSM-Tree-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/prince776/LSM-Tree-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prince776/LSM-Tree-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/prince776/LSM-Tree-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prince776/LSM-Tree-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/prince776/LSM-Tree-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prince776/LSM-Tree-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/prince776/LSM-Tree-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prince776/LSM-Tree-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/prince776/LSM-Tree-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prince776/LSM-Tree-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/prince776/LSM-Tree-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prince776/LSM-Tree-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ccf0bfa256ebf255433088011859b39fac9df86
[INFO] checking prince776/LSM-Tree-Rust against try#099af82bc034c1e4895c90e5407fafdd61976cdb for pr-145457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprince776%2FLSM-Tree-Rust" "/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/prince776/LSM-Tree-Rust
[INFO] finished tweaking git repo https://github.com/prince776/LSM-Tree-Rust
[INFO] tweaked toml for git repo https://github.com/prince776/LSM-Tree-Rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/prince776/LSM-Tree-Rust on toolchain 099af82bc034c1e4895c90e5407fafdd61976cdb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/prince776/LSM-Tree-Rust 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" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6b48f291df4d07dc19f7061302318b52e2d11b927a23755917e51300ed7b806
[INFO] running `Command { std: "docker" "start" "-a" "f6b48f291df4d07dc19f7061302318b52e2d11b927a23755917e51300ed7b806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6b48f291df4d07dc19f7061302318b52e2d11b927a23755917e51300ed7b806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b48f291df4d07dc19f7061302318b52e2d11b927a23755917e51300ed7b806", kill_on_drop: false }`
[INFO] [stdout] f6b48f291df4d07dc19f7061302318b52e2d11b927a23755917e51300ed7b806
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb6582a5e0fb1a73983dbc8e9e5db9c22a37044c8483275e63ea2edaad8f924a
[INFO] running `Command { std: "docker" "start" "-a" "cb6582a5e0fb1a73983dbc8e9e5db9c22a37044c8483275e63ea2edaad8f924a", kill_on_drop: false }`
[INFO] [stderr]     Checking lsm-tree-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufWriter`, `File`, `HashMap`, and `OpenOptions`
[INFO] [stdout]  --> src/lib.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeMap, HashMap},
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 3 |     fs::{File, OpenOptions},
[INFO] [stdout]   |          ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 4 |     io::{self, BufWriter},
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `HashMap`, and `size_of_val`
[INFO] [stdout]  --> src/sstable/sstable_summary.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeMap, HashMap},
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 3 |     fs::{File, OpenOptions},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 4 |     io::{self, Read, Write},
[INFO] [stdout] 5 |     mem::{size_of, size_of_val},
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Seek`
[INFO] [stdout]  --> src/sstable.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{Read, Seek, Write},
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufWriter`, `File`, `HashMap`, and `OpenOptions`
[INFO] [stdout]  --> src/lib.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeMap, HashMap},
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 3 |     fs::{File, OpenOptions},
[INFO] [stdout]   |          ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 4 |     io::{self, BufWriter},
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `HashMap`, and `size_of_val`
[INFO] [stdout]  --> src/sstable/sstable_summary.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeMap, HashMap},
[INFO] [stdout]   |                             ^^^^^^^
[INFO] [stdout] 3 |     fs::{File, OpenOptions},
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 4 |     io::{self, Read, Write},
[INFO] [stdout] 5 |     mem::{size_of, size_of_val},
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Seek`
[INFO] [stdout]  --> src/sstable.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{Read, Seek, Write},
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt::format` and `io`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::format, io};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt::format` and `io`
[INFO] [stdout]  --> src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::format, io};
[INFO] [stdout]   |           ^^^^^^^^^^^  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "cb6582a5e0fb1a73983dbc8e9e5db9c22a37044c8483275e63ea2edaad8f924a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6582a5e0fb1a73983dbc8e9e5db9c22a37044c8483275e63ea2edaad8f924a", kill_on_drop: false }`
[INFO] [stdout] cb6582a5e0fb1a73983dbc8e9e5db9c22a37044c8483275e63ea2edaad8f924a