[INFO] cloning repository https://github.com/AhindraD/rust_state_machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AhindraD/rust_state_machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhindraD%2Frust_state_machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhindraD%2Frust_state_machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db681aae00290ffffdd6f434848a6e56aa503a9e
[INFO] testing AhindraD/rust_state_machine against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAhindraD%2Frust_state_machine" "/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/AhindraD/rust_state_machine
[INFO] finished tweaking git repo https://github.com/AhindraD/rust_state_machine
[INFO] tweaked toml for git repo https://github.com/AhindraD/rust_state_machine written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AhindraD/rust_state_machine on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AhindraD/rust_state_machine 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20d74e84747f58e48f71d7f108aac28ba44b5d1ac27410f211f77209bc9a1e33
[INFO] running `Command { std: "docker" "start" "-a" "20d74e84747f58e48f71d7f108aac28ba44b5d1ac27410f211f77209bc9a1e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20d74e84747f58e48f71d7f108aac28ba44b5d1ac27410f211f77209bc9a1e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d74e84747f58e48f71d7f108aac28ba44b5d1ac27410f211f77209bc9a1e33", kill_on_drop: false }`
[INFO] [stdout] 20d74e84747f58e48f71d7f108aac28ba44b5d1ac27410f211f77209bc9a1e33
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3163ff76759e979345158f7d3fc132289793e10bc2e697a7e889d5b8e13a13bf
[INFO] running `Command { std: "docker" "start" "-a" "3163ff76759e979345158f7d3fc132289793e10bc2e697a7e889d5b8e13a13bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_state_machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pallet`
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut pallet: Pallet = balances::Pallet::new();
[INFO] [stdout]   |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pallet`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut pallet: Pallet = balances::Pallet::new();
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `balances` is never read
[INFO] [stdout]  --> src/balances.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Pallet {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 3 |     //a key-val pair storing balance
[INFO] [stdout] 4 |     balances: BTreeMap<String, u128>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_balance` and `get_balance` are never used
[INFO] [stdout]   --> src/balances.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Pallet {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn set_balance(&mut self, who: &String, amount: u128) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn get_balance(&self, who: &String) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "3163ff76759e979345158f7d3fc132289793e10bc2e697a7e889d5b8e13a13bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3163ff76759e979345158f7d3fc132289793e10bc2e697a7e889d5b8e13a13bf", kill_on_drop: false }`
[INFO] [stdout] 3163ff76759e979345158f7d3fc132289793e10bc2e697a7e889d5b8e13a13bf
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a68fb5615a367388026778d08934c8af52b6f213bb80a65b34abd9285eba8d1f
[INFO] running `Command { std: "docker" "start" "-a" "a68fb5615a367388026778d08934c8af52b6f213bb80a65b34abd9285eba8d1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_state_machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pallet`
[INFO] [stdout]  --> src/main.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut pallet: Pallet = balances::Pallet::new();
[INFO] [stdout]   |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pallet`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut pallet: Pallet = balances::Pallet::new();
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `balances` is never read
[INFO] [stdout]  --> src/balances.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Pallet {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 3 |     //a key-val pair storing balance
[INFO] [stdout] 4 |     balances: BTreeMap<String, u128>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_balance` and `get_balance` are never used
[INFO] [stdout]   --> src/balances.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Pallet {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn set_balance(&mut self, who: &String, amount: u128) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn get_balance(&self, who: &String) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "a68fb5615a367388026778d08934c8af52b6f213bb80a65b34abd9285eba8d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68fb5615a367388026778d08934c8af52b6f213bb80a65b34abd9285eba8d1f", kill_on_drop: false }`
[INFO] [stdout] a68fb5615a367388026778d08934c8af52b6f213bb80a65b34abd9285eba8d1f
[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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f92fda127fb5be5d5f0909dfb7c5f4cc1ce99d2aa7cc083937b24c44bb0a1bf2
[INFO] running `Command { std: "docker" "start" "-a" "f92fda127fb5be5d5f0909dfb7c5f4cc1ce99d2aa7cc083937b24c44bb0a1bf2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `pallet`
[INFO] [stderr]  --> src/main.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut pallet: Pallet = balances::Pallet::new();
[INFO] [stderr]   |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pallet`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut pallet: Pallet = balances::Pallet::new();
[INFO] [stderr]   |         ----^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `balances` is never read
[INFO] [stderr]  --> src/balances.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Pallet {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] 3 |     //a key-val pair storing balance
[INFO] [stderr] 4 |     balances: BTreeMap<String, u128>,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_balance` and `get_balance` are never used
[INFO] [stderr]   --> src/balances.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 7  | impl Pallet {
[INFO] [stderr]    | ----------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 15 |     pub fn set_balance(&mut self, who: &String, amount: u128) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 |     pub fn get_balance(&self, who: &String) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_state_machine` (bin "rust_state_machine" test) generated 4 warnings (run `cargo fix --bin "rust_state_machine" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_state_machine-1a3d203bfa693d76)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f92fda127fb5be5d5f0909dfb7c5f4cc1ce99d2aa7cc083937b24c44bb0a1bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92fda127fb5be5d5f0909dfb7c5f4cc1ce99d2aa7cc083937b24c44bb0a1bf2", kill_on_drop: false }`
[INFO] [stdout] f92fda127fb5be5d5f0909dfb7c5f4cc1ce99d2aa7cc083937b24c44bb0a1bf2
