[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] testing andybug/rustychain against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandybug%2Frustychain" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andybug/rustychain on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-7/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" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c9e8873a5d340e85c93c644f6ea8f7770fa07a9abca4c04e4613dee4efaaa5b4
[INFO] running `"docker" "start" "-a" "c9e8873a5d340e85c93c644f6ea8f7770fa07a9abca4c04e4613dee4efaaa5b4"`
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling serde v1.0.14
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling nodrop v0.1.9
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling crypto-mac v0.4.0
[INFO] [stderr]    Compiling digest v0.6.2
[INFO] [stderr]    Compiling blake2 v0.6.1
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.14
[INFO] [stderr]    Compiling serde_yaml v0.7.1
[INFO] [stderr]    Compiling 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: 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: `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]     Finished dev [unoptimized + debuginfo] target(s) in 21.37s
[INFO] running `"docker" "inspect" "c9e8873a5d340e85c93c644f6ea8f7770fa07a9abca4c04e4613dee4efaaa5b4"`
[INFO] running `"docker" "rm" "-f" "c9e8873a5d340e85c93c644f6ea8f7770fa07a9abca4c04e4613dee4efaaa5b4"`
[INFO] [stdout] c9e8873a5d340e85c93c644f6ea8f7770fa07a9abca4c04e4613dee4efaaa5b4
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e968e7ccaabc24b2ea6478cb93b60f7823d7cacff232badd109e312c6183d261
[INFO] running `"docker" "start" "-a" "e968e7ccaabc24b2ea6478cb93b60f7823d7cacff232badd109e312c6183d261"`
[INFO] [stderr]    Compiling 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: 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: `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]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "e968e7ccaabc24b2ea6478cb93b60f7823d7cacff232badd109e312c6183d261"`
[INFO] running `"docker" "rm" "-f" "e968e7ccaabc24b2ea6478cb93b60f7823d7cacff232badd109e312c6183d261"`
[INFO] [stdout] e968e7ccaabc24b2ea6478cb93b60f7823d7cacff232badd109e312c6183d261
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a4203dd13e503222b463e604a9f9ae6b50bba25a99ae15db13e8a9db18e2d0a6
[INFO] running `"docker" "start" "-a" "a4203dd13e503222b463e604a9f9ae6b50bba25a99ae15db13e8a9db18e2d0a6"`
[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: 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: `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]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustychain-baa18f1e1cb0bf5b
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a4203dd13e503222b463e604a9f9ae6b50bba25a99ae15db13e8a9db18e2d0a6"`
[INFO] running `"docker" "rm" "-f" "a4203dd13e503222b463e604a9f9ae6b50bba25a99ae15db13e8a9db18e2d0a6"`
[INFO] [stdout] a4203dd13e503222b463e604a9f9ae6b50bba25a99ae15db13e8a9db18e2d0a6