[INFO] cloning repository https://github.com/Erk-men/rusty_cache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Erk-men/rusty_cache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErk-men%2Frusty_cache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErk-men%2Frusty_cache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e06bbcc24cc3e09331275ea1cbfe200124ebafc0
[INFO] checking Erk-men/rusty_cache against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErk-men%2Frusty_cache" "/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/Erk-men/rusty_cache
[INFO] finished tweaking git repo https://github.com/Erk-men/rusty_cache
[INFO] tweaked toml for git repo https://github.com/Erk-men/rusty_cache written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Erk-men/rusty_cache on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Erk-men/rusty_cache 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" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rusty_cache` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-0-tc2/source/target/.../rusty_cache
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rusty-cache`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:7:8
[INFO] [stderr]    |
[INFO] [stderr]  7 - name = "rusty_cache"
[INFO] [stderr]  7 + name = "rusty-cache"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rusty-cache`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:8:19
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ version = "0.1.0"
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "rusty-cache"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rusty_cache` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Erk-men/rusty_cache against 79c0559184f27f4433a6fbc260b950d06d4a4889 for pr-162233-crater-rollup
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErk-men%2Frusty_cache" "/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/Erk-men/rusty_cache
[INFO] finished tweaking git repo https://github.com/Erk-men/rusty_cache
[INFO] tweaked toml for git repo https://github.com/Erk-men/rusty_cache written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Erk-men/rusty_cache on toolchain 79c0559184f27f4433a6fbc260b950d06d4a4889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Erk-men/rusty_cache 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" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rusty_cache` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-0-tc2/source/target/.../rusty_cache
[INFO] [stderr]    |                                                  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rusty-cache`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:7:8
[INFO] [stderr]    |
[INFO] [stderr]  7 - name = "rusty_cache"
[INFO] [stderr]  7 + name = "rusty-cache"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rusty-cache`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:8:19
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ version = "0.1.0"
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "rusty-cache"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rusty_cache` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.44
[INFO] [stderr]   Downloaded tokio-macros v2.6.0
[INFO] [stderr]   Downloaded socket2 v0.6.2
[INFO] [stderr]   Downloaded mio v1.1.1
[INFO] [stderr]   Downloaded tokio v1.49.0
[INFO] [stderr]   Downloaded libc v0.2.182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3c852285758ee63d9bed9533c6b21fb95fc2e8f8b9560d2d0f9fb49e5e38cf51
[INFO] running `Command { std: "docker" "start" "3c852285758ee63d9bed9533c6b21fb95fc2e8f8b9560d2d0f9fb49e5e38cf51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c852285758ee63d9bed9533c6b21fb95fc2e8f8b9560d2d0f9fb49e5e38cf51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3c852285758ee63d9bed9533c6b21fb95fc2e8f8b9560d2d0f9fb49e5e38cf51" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c852285758ee63d9bed9533c6b21fb95fc2e8f8b9560d2d0f9fb49e5e38cf51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3c852285758ee63d9bed9533c6b21fb95fc2e8f8b9560d2d0f9fb49e5e38cf51" "/opt/rustwide/cargo-home/bin/cargo" "+79c0559184f27f4433a6fbc260b950d06d4a4889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rusty_cache` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../rusty_cache
[INFO] [stderr]    |                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `rusty-cache`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:7:8
[INFO] [stderr]    |
[INFO] [stderr]  7 - name = "rusty_cache"
[INFO] [stderr]  7 + name = "rusty-cache"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `rusty-cache`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:8:19
[INFO] [stderr]    |
[INFO] [stderr]  8 ~ version = "0.1.0"
[INFO] [stderr]  9 + [[bin]]
[INFO] [stderr] 10 + name = "rusty-cache"
[INFO] [stderr] 11 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `rusty_cache` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking bytes v1.11.1
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.2
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]     Checking tokio v1.49.0
[INFO] [stderr]     Checking rusty_cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::Command;
[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 import: `AsyncReadExt`
[INFO] [stdout]  --> src/main.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::io::{AsyncReadExt, AsyncWriteExt, BufReader as TokioBufReader, AsyncBufReadExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::Command;
[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 import: `AsyncReadExt`
[INFO] [stdout]  --> src/main.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::io::{AsyncReadExt, AsyncWriteExt, BufReader as TokioBufReader, AsyncBufReadExt};
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |             if let Ok(mut stream) = tokio::net::TcpStream::connect(&leader_addr).await {
[INFO] [stdout]     |                       ----^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |             if let Ok(mut stream) = tokio::net::TcpStream::connect(&leader_addr).await {
[INFO] [stdout]     |                       ----^^^^^^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.17s
[INFO] running `Command { std: "docker" "inspect" "3c852285758ee63d9bed9533c6b21fb95fc2e8f8b9560d2d0f9fb49e5e38cf51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c852285758ee63d9bed9533c6b21fb95fc2e8f8b9560d2d0f9fb49e5e38cf51", kill_on_drop: false }`
[INFO] [stdout] 3c852285758ee63d9bed9533c6b21fb95fc2e8f8b9560d2d0f9fb49e5e38cf51
