[INFO] cloning repository https://github.com/zonincodes/libraries-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zonincodes/libraries-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzonincodes%2Flibraries-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzonincodes%2Flibraries-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3dcef531ab34ace576d4dfab33f7be01d065014c
[INFO] checking zonincodes/libraries-rust against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzonincodes%2Flibraries-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zonincodes/libraries-rust
[INFO] finished tweaking git repo https://github.com/zonincodes/libraries-rust
[INFO] tweaked toml for git repo https://github.com/zonincodes/libraries-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zonincodes/libraries-rust on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zonincodes/libraries-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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "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 zonincodes/libraries-rust against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzonincodes%2Flibraries-rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zonincodes/libraries-rust
[INFO] finished tweaking git repo https://github.com/zonincodes/libraries-rust
[INFO] tweaked toml for git repo https://github.com/zonincodes/libraries-rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zonincodes/libraries-rust on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zonincodes/libraries-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" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a98069f6b5be4337305932af5398f827539ebe1a859936efc4e63102bb68888
[INFO] running `Command { std: "docker" "start" "-a" "5a98069f6b5be4337305932af5398f827539ebe1a859936efc4e63102bb68888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a98069f6b5be4337305932af5398f827539ebe1a859936efc4e63102bb68888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a98069f6b5be4337305932af5398f827539ebe1a859936efc4e63102bb68888", kill_on_drop: false }`
[INFO] [stdout] 5a98069f6b5be4337305932af5398f827539ebe1a859936efc4e63102bb68888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1ca150acf4cd51434f8e469f465f027b5037ce5be7c51f9858eeffc9ecfbfa8
[INFO] running `Command { std: "docker" "start" "-a" "f1ca150acf4cd51434f8e469f465f027b5037ce5be7c51f9858eeffc9ecfbfa8", kill_on_drop: false }`
[INFO] [stderr]     Checking restaurant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> src/front_of_house/serving.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn take_order() -> u32 { 3 }
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> src/front_of_house/serving.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn serve_order() -> u32 { 4 }
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> src/front_of_house/serving.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn take_payment() -> i32 { 6 }
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Breakfast` is never constructed
[INFO] [stdout]   --> src/lib.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub struct Breakfast {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `summer` is never used
[INFO] [stdout]   --> src/lib.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     impl Breakfast {
[INFO] [stdout]    |     -------------- associated function in this implementation
[INFO] [stdout] 25 |         pub fn summer(toast: &str) -> Breakfast {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub struct Breakfast {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 20 |         pub toast: String, 
[INFO] [stdout] 21 |         seasonal_fruit: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "f1ca150acf4cd51434f8e469f465f027b5037ce5be7c51f9858eeffc9ecfbfa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ca150acf4cd51434f8e469f465f027b5037ce5be7c51f9858eeffc9ecfbfa8", kill_on_drop: false }`
[INFO] [stdout] f1ca150acf4cd51434f8e469f465f027b5037ce5be7c51f9858eeffc9ecfbfa8
