[INFO] fetching crate abhedya-chhandas 1.0.24...
[INFO] checking abhedya-chhandas-1.0.24 against try#79452e8441468c5568c20bfca2aa1fe75b645b2d for pr-152210
[INFO] extracting crate abhedya-chhandas 1.0.24 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate abhedya-chhandas 1.0.24
[INFO] finished tweaking crates.io crate abhedya-chhandas 1.0.24
[INFO] tweaked toml for crates.io crate abhedya-chhandas 1.0.24 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate abhedya-chhandas 1.0.24 on toolchain 79452e8441468c5568c20bfca2aa1fe75b645b2d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate abhedya-chhandas 1.0.24 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" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking abhedya-chhandas-1.0.24 against try#79452e8441468c5568c20bfca2aa1fe75b645b2d for pr-152210
[INFO] extracting crate abhedya-chhandas 1.0.24 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate abhedya-chhandas 1.0.24
[INFO] finished tweaking crates.io crate abhedya-chhandas 1.0.24
[INFO] tweaked toml for crates.io crate abhedya-chhandas 1.0.24 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate abhedya-chhandas 1.0.24 on toolchain 79452e8441468c5568c20bfca2aa1fe75b645b2d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate abhedya-chhandas 1.0.24 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" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "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-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad949973a97e74df1124f4afe5f6462ec66c4b7939f8e8c727e3473e19b99e78
[INFO] running `Command { std: "docker" "start" "-a" "ad949973a97e74df1124f4afe5f6462ec66c4b7939f8e8c727e3473e19b99e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad949973a97e74df1124f4afe5f6462ec66c4b7939f8e8c727e3473e19b99e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad949973a97e74df1124f4afe5f6462ec66c4b7939f8e8c727e3473e19b99e78", kill_on_drop: false }`
[INFO] [stdout] ad949973a97e74df1124f4afe5f6462ec66c4b7939f8e8c727e3473e19b99e78
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36d7da14155bea45d238ebfbc811032b4699cc7cf459e5607fbcf4a7a0319005
[INFO] running `Command { std: "docker" "start" "-a" "36d7da14155bea45d238ebfbc811032b4699cc7cf459e5607fbcf4a7a0319005", kill_on_drop: false }`
[INFO] [stderr]     Checking abhedya-chhandas v1.0.24 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let mut val = 0;
[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: unused variable: `val`
[INFO] [stdout]   --> src/lib.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let mut val = 0;
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let mut val = 0;
[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: unused variable: `val`
[INFO] [stdout]   --> src/lib.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let mut val = 0;
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "36d7da14155bea45d238ebfbc811032b4699cc7cf459e5607fbcf4a7a0319005", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d7da14155bea45d238ebfbc811032b4699cc7cf459e5607fbcf4a7a0319005", kill_on_drop: false }`
[INFO] [stdout] 36d7da14155bea45d238ebfbc811032b4699cc7cf459e5607fbcf4a7a0319005
