[INFO] updating cached repository https://github.com/andybug/rustychain [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b2157f99ed420aff1a00cbefbd1bcc9117cef3b1 [INFO] checking andybug/rustychain against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandybug%2Frustychain" "/workspace/builds/worker-14/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andybug/rustychain on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/andybug/rustychain [INFO] finished tweaking git repo https://github.com/andybug/rustychain [INFO] tweaked toml for git repo https://github.com/andybug/rustychain written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/andybug/rustychain already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cb2a62627f45a98ef6bba199e83221512fcd5091d04b3feb01e1240e6a2d0f5b [INFO] running `"docker" "start" "-a" "cb2a62627f45a98ef6bba199e83221512fcd5091d04b3feb01e1240e6a2d0f5b"` [INFO] [stderr] Compiling typenum v1.9.0 [INFO] [stderr] Checking odds v0.2.25 [INFO] [stderr] Checking serde v1.0.14 [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Compiling serde_derive_internals v0.16.0 [INFO] [stderr] Checking nodrop v0.1.9 [INFO] [stderr] Compiling serde_derive v1.0.14 [INFO] [stderr] Checking generic-array v0.8.3 [INFO] [stderr] Checking digest v0.6.2 [INFO] [stderr] Checking crypto-mac v0.4.0 [INFO] [stderr] Checking blake2 v0.6.1 [INFO] [stderr] Checking serde_yaml v0.7.1 [INFO] [stderr] Checking rustychain v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/util/hex.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | b'A'...b'F' => buf |= byte - b'A' + 10, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/util/hex.rs:75:21 [INFO] [stderr] | [INFO] [stderr] 75 | b'a'...b'f' => buf |= byte - b'a' + 10, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/util/hex.rs:76:21 [INFO] [stderr] | [INFO] [stderr] 76 | b'0'...b'9' => buf |= byte - b'0', [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused import: `SeqAccess` [INFO] [stderr] --> src/blockchain/block.rs:9:70 [INFO] [stderr] | [INFO] [stderr] 9 | use self::serde::de::{Visitor, Deserialize, Deserializer, MapAccess, SeqAccess}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `Merkle_root` should have an upper camel case name [INFO] [stderr] --> src/blockchain/block.rs:88:52 [INFO] [stderr] | [INFO] [stderr] 88 | enum Field { Version, Timestamp, Previous, Merkle_root }; [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `MerkleRoot` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/util/hex.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | b'A'...b'F' => buf |= byte - b'A' + 10, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/blockchain/chain.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/util/hex.rs:75:21 [INFO] [stderr] | [INFO] [stderr] 75 | b'a'...b'f' => buf |= byte - b'a' + 10, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused import: `Hash256` [INFO] [stderr] --> src/blockchain/chain.rs:14:18 [INFO] [stderr] | [INFO] [stderr] 14 | use util::hash::{Hash256, HASH256_BYTES}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/util/hex.rs:76:21 [INFO] [stderr] | [INFO] [stderr] 76 | b'0'...b'9' => buf |= byte - b'0', [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: unused import: `SeqAccess` [INFO] [stderr] --> src/blockchain/block.rs:9:70 [INFO] [stderr] | [INFO] [stderr] 9 | use self::serde::de::{Visitor, Deserialize, Deserializer, MapAccess, SeqAccess}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `Merkle_root` should have an upper camel case name [INFO] [stderr] --> src/blockchain/block.rs:88:52 [INFO] [stderr] | [INFO] [stderr] 88 | enum Field { Version, Timestamp, Previous, Merkle_root }; [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `MerkleRoot` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/blockchain/chain.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Hash256` [INFO] [stderr] --> src/blockchain/chain.rs:14:18 [INFO] [stderr] | [INFO] [stderr] 14 | use util::hash::{Hash256, HASH256_BYTES}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `FromHex` [INFO] [stderr] --> src/blockchain/transaction.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | use util::hex::{FromHex, ToHex}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `FromHex` [INFO] [stderr] --> src/blockchain/transaction.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | use util::hex::{FromHex, ToHex}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/blockchain/chain.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::prelude` [INFO] [stderr] --> src/blockchain/chain.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `reset` [INFO] [stderr] --> src/util/hash.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn reset(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `now` [INFO] [stderr] --> src/util/time.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn now() -> u64 { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/blockchain/block.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new() -> Block { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_timestamp` [INFO] [stderr] --> src/blockchain/block.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn set_timestamp(&mut self, ts: u64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_previous` [INFO] [stderr] --> src/blockchain/block.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn set_previous(&mut self, p: &[u8; HASH256_BYTES]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_transaction` [INFO] [stderr] --> src/blockchain/block.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn add_transaction(&mut self, tx: Transaction) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/blockchain/transaction.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | pub fn new() -> Transaction { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_timestamp` [INFO] [stderr] --> src/blockchain/transaction.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn set_timestamp(&mut self, ts: u64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_output` [INFO] [stderr] --> src/blockchain/transaction.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn add_output(&mut self, amount: u64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/blockchain/chain.rs:83:21 [INFO] [stderr] | [INFO] [stderr] 83 | writeln!(&mut io::stderr(), "read_chain: {}", e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/blockchain/transaction.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | hash.write_all(&self.hash); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: method is never used: `reset` [INFO] [stderr] --> src/util/hash.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn reset(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `now` [INFO] [stderr] --> src/util/time.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | pub fn now() -> u64 { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/blockchain/block.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | pub fn new() -> Block { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_timestamp` [INFO] [stderr] --> src/blockchain/block.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | pub fn set_timestamp(&mut self, ts: u64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_previous` [INFO] [stderr] --> src/blockchain/block.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn set_previous(&mut self, p: &[u8; HASH256_BYTES]) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_transaction` [INFO] [stderr] --> src/blockchain/block.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn add_transaction(&mut self, tx: Transaction) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/blockchain/transaction.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | pub fn new() -> Transaction { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_timestamp` [INFO] [stderr] --> src/blockchain/transaction.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn set_timestamp(&mut self, ts: u64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add_output` [INFO] [stderr] --> src/blockchain/transaction.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn add_output(&mut self, amount: u64) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/blockchain/chain.rs:83:21 [INFO] [stderr] | [INFO] [stderr] 83 | writeln!(&mut io::stderr(), "read_chain: {}", e); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/blockchain/transaction.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | hash.write_all(&self.hash); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 20 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.23s [INFO] running `"docker" "inspect" "cb2a62627f45a98ef6bba199e83221512fcd5091d04b3feb01e1240e6a2d0f5b"` [INFO] running `"docker" "rm" "-f" "cb2a62627f45a98ef6bba199e83221512fcd5091d04b3feb01e1240e6a2d0f5b"` [INFO] [stdout] cb2a62627f45a98ef6bba199e83221512fcd5091d04b3feb01e1240e6a2d0f5b