[INFO] cloning repository https://github.com/waldirborbajr/bpchain [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/waldirborbajr/bpchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaldirborbajr%2Fbpchain", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaldirborbajr%2Fbpchain'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 019bb789b429d9e7814f7ecde449418cf2bed483 [INFO] checking waldirborbajr/bpchain against try#de39175d9e0f63ff8967b81f9639ba28d11ae6ef for pr-135331 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwaldirborbajr%2Fbpchain" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/waldirborbajr/bpchain on toolchain de39175d9e0f63ff8967b81f9639ba28d11ae6ef [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/waldirborbajr/bpchain [INFO] finished tweaking git repo https://github.com/waldirborbajr/bpchain [INFO] tweaked toml for git repo https://github.com/waldirborbajr/bpchain written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/waldirborbajr/bpchain 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" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f94ddc8b6a9d8ee652b048b1afe620ed3c0abe4497e480550652c0dc25b459d [INFO] running `Command { std: "docker" "start" "-a" "9f94ddc8b6a9d8ee652b048b1afe620ed3c0abe4497e480550652c0dc25b459d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f94ddc8b6a9d8ee652b048b1afe620ed3c0abe4497e480550652c0dc25b459d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f94ddc8b6a9d8ee652b048b1afe620ed3c0abe4497e480550652c0dc25b459d", kill_on_drop: false }` [INFO] [stdout] 9f94ddc8b6a9d8ee652b048b1afe620ed3c0abe4497e480550652c0dc25b459d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+de39175d9e0f63ff8967b81f9639ba28d11ae6ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d0b89538b5c352fd59ca4f7801dc9cd546f0f963cd6fba6fe9938f8c991f1e5 [INFO] running `Command { std: "docker" "start" "-a" "6d0b89538b5c352fd59ca4f7801dc9cd546f0f963cd6fba6fe9938f8c991f1e5", kill_on_drop: false }` [INFO] [stderr] Checking bpchain v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `balance` [INFO] [stdout] --> src/main.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut balance = balance::Pallet::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_balance` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | #[warn(unused_variables)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `system` [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut system = system::Pallet::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_system` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mut balance = balance::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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut system = system::Pallet::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `balance` is never read [INFO] [stdout] --> src/balance.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Pallet { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 6 | balance: BTreeMap, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/balance.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_balance`, `balance`, and `transfer` are never used [INFO] [stdout] --> src/balance.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Pallet { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn set_balance(&mut self, who: &String, amount: u128) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn balance(&self, who: &String) -> u128 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn transfer( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `block_number` and `nonce` are never read [INFO] [stdout] --> src/system.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Pallet { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 6 | block_number: u32, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 7 | nonce: BTreeMap, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/system.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `balance` [INFO] [stdout] --> src/main.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut balance = balance::Pallet::new(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_balance` [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | #[warn(unused_variables)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `system` [INFO] [stdout] --> src/main.rs:8:13 [INFO] [stdout] | [INFO] [stdout] 8 | let mut system = system::Pallet::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_system` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mut balance = balance::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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let mut system = system::Pallet::new(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `block_number` and `nonce` are never read [INFO] [stdout] --> src/system.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Pallet { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 6 | block_number: u32, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 7 | nonce: BTreeMap, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/system.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | #[warn(dead_code)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/balance.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | balance.transfer(&alice.clone(), &bob, 90); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = balance.transfer(&alice.clone(), &bob, 90); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "6d0b89538b5c352fd59ca4f7801dc9cd546f0f963cd6fba6fe9938f8c991f1e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d0b89538b5c352fd59ca4f7801dc9cd546f0f963cd6fba6fe9938f8c991f1e5", kill_on_drop: false }` [INFO] [stdout] 6d0b89538b5c352fd59ca4f7801dc9cd546f0f963cd6fba6fe9938f8c991f1e5