[INFO] cloning repository https://github.com/mateochauchet/blockchain-state-machine-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mateochauchet/blockchain-state-machine-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateochauchet%2Fblockchain-state-machine-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateochauchet%2Fblockchain-state-machine-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 104a5ece12d179631ec0a54449b534fc429bdaa6
[INFO] checking mateochauchet/blockchain-state-machine-rust against try#099af82bc034c1e4895c90e5407fafdd61976cdb for pr-145457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateochauchet%2Fblockchain-state-machine-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mateochauchet/blockchain-state-machine-rust
[INFO] finished tweaking git repo https://github.com/mateochauchet/blockchain-state-machine-rust
[INFO] tweaked toml for git repo https://github.com/mateochauchet/blockchain-state-machine-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mateochauchet/blockchain-state-machine-rust on toolchain 099af82bc034c1e4895c90e5407fafdd61976cdb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mateochauchet/blockchain-state-machine-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" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a6487cab0eaf34d8d8445c18291d61be5bb0207d5e50046273ea9a2d472ebf5
[INFO] running `Command { std: "docker" "start" "-a" "6a6487cab0eaf34d8d8445c18291d61be5bb0207d5e50046273ea9a2d472ebf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a6487cab0eaf34d8d8445c18291d61be5bb0207d5e50046273ea9a2d472ebf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6487cab0eaf34d8d8445c18291d61be5bb0207d5e50046273ea9a2d472ebf5", kill_on_drop: false }`
[INFO] [stdout] 6a6487cab0eaf34d8d8445c18291d61be5bb0207d5e50046273ea9a2d472ebf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+099af82bc034c1e4895c90e5407fafdd61976cdb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ef225d7169fd5e70d928058ef3b4df3bbdcd398e9006716916f78173fa8b578
[INFO] running `Command { std: "docker" "start" "-a" "9ef225d7169fd5e70d928058ef3b4df3bbdcd398e9006716916f78173fa8b578", kill_on_drop: false }`
[INFO] [stderr]     Checking state-machine-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f32::consts::E`
[INFO] [stdout]   --> src/balances.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use std::f32::consts::E;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Pallet`
[INFO] [stdout]   --> src/balances.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use super::Pallet;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32::consts::E`
[INFO] [stdout]   --> src/balances.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use std::f32::consts::E;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pallet` is never constructed
[INFO] [stdout]  --> src/balances.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Pallet {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `set_balance`, `balance`, and `transfer` are never used
[INFO] [stdout]   --> src/balances.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl Pallet {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout]  8 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn set_balance(&mut self, who: &String, amount: u128) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn balance(&self, who: &String) -> u128 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn transfer(
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pallet` is never constructed
[INFO] [stdout]  --> src/system.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Pallet {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `block_number`, `inc_block_number`, and `inc_nonce` are never used
[INFO] [stdout]   --> src/system.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Pallet {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn block_number(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn inc_block_number(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn inc_nonce(&mut self, who: &String) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "9ef225d7169fd5e70d928058ef3b4df3bbdcd398e9006716916f78173fa8b578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef225d7169fd5e70d928058ef3b4df3bbdcd398e9006716916f78173fa8b578", kill_on_drop: false }`
[INFO] [stdout] 9ef225d7169fd5e70d928058ef3b4df3bbdcd398e9006716916f78173fa8b578