[INFO] cloning repository https://github.com/lambda-y/rust-bank-account-class
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lambda-y/rust-bank-account-class" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambda-y%2Frust-bank-account-class", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambda-y%2Frust-bank-account-class'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8597ee338b6415a77e1faa175e2e50081e0948f6
[INFO] checking lambda-y/rust-bank-account-class against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambda-y%2Frust-bank-account-class" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lambda-y/rust-bank-account-class
[INFO] finished tweaking git repo https://github.com/lambda-y/rust-bank-account-class
[INFO] tweaked toml for git repo https://github.com/lambda-y/rust-bank-account-class written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lambda-y/rust-bank-account-class on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lambda-y/rust-bank-account-class 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" "+1.95.0-beta.7" "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 lambda-y/rust-bank-account-class against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flambda-y%2Frust-bank-account-class" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lambda-y/rust-bank-account-class
[INFO] finished tweaking git repo https://github.com/lambda-y/rust-bank-account-class
[INFO] tweaked toml for git repo https://github.com/lambda-y/rust-bank-account-class written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lambda-y/rust-bank-account-class on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lambda-y/rust-bank-account-class 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" "+1.95.0-beta.7" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9138eb5c0f9ed9c8dd81a98efca7394771303aeda87450f4e71fa3ae68aaf086
[INFO] running `Command { std: "docker" "start" "-a" "9138eb5c0f9ed9c8dd81a98efca7394771303aeda87450f4e71fa3ae68aaf086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9138eb5c0f9ed9c8dd81a98efca7394771303aeda87450f4e71fa3ae68aaf086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9138eb5c0f9ed9c8dd81a98efca7394771303aeda87450f4e71fa3ae68aaf086", kill_on_drop: false }`
[INFO] [stdout] 9138eb5c0f9ed9c8dd81a98efca7394771303aeda87450f4e71fa3ae68aaf086
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc5cbe8d2ba396714a43bd7eade4ccd726853bb412e0a168472b792a5dc66fb8
[INFO] running `Command { std: "docker" "start" "-a" "dc5cbe8d2ba396714a43bd7eade4ccd726853bb412e0a168472b792a5dc66fb8", kill_on_drop: false }`
[INFO] [stderr]     Checking rustplayground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `get_name`, `get_balance`, `get_interest_rate`, `withdraw`, `deposit`, and `calculate_interest` are never used
[INFO] [stdout]   --> src/accounts/account.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait Accountable {
[INFO] [stdout]    |           ----------- methods in this trait
[INFO] [stdout]  8 |     fn new(name: &str, balance: f64, interest_rate: f64) -> Self;
[INFO] [stdout]  9 |     fn get_name(&self) -> &str;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 10 |     fn get_balance(&self) -> f64;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 11 |     fn get_interest_rate(&self) -> f64;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn withdraw(&mut self, amount: f64) -> Result<(), String>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 16 |     fn deposit(&mut self, amount: f64) -> Result<(), String>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 17 |     fn calculate_interest(&self) -> f64;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_name`, `get_balance`, `get_interest_rate`, `withdraw`, `deposit`, and `calculate_interest` are never used
[INFO] [stdout]   --> src/accounts/account.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub trait Accountable {
[INFO] [stdout]    |           ----------- methods in this trait
[INFO] [stdout]  8 |     fn new(name: &str, balance: f64, interest_rate: f64) -> Self;
[INFO] [stdout]  9 |     fn get_name(&self) -> &str;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 10 |     fn get_balance(&self) -> f64;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 11 |     fn get_interest_rate(&self) -> f64;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn withdraw(&mut self, amount: f64) -> Result<(), String>;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 16 |     fn deposit(&mut self, amount: f64) -> Result<(), String>;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 17 |     fn calculate_interest(&self) -> f64;
[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 0.05s
[INFO] running `Command { std: "docker" "inspect" "dc5cbe8d2ba396714a43bd7eade4ccd726853bb412e0a168472b792a5dc66fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5cbe8d2ba396714a43bd7eade4ccd726853bb412e0a168472b792a5dc66fb8", kill_on_drop: false }`
[INFO] [stdout] dc5cbe8d2ba396714a43bd7eade4ccd726853bb412e0a168472b792a5dc66fb8
