[INFO] crate fswallet 0.1.0-alpha.0 is already in cache
[INFO] testing fswallet-0.1.0-alpha.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate fswallet 0.1.0-alpha.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fswallet 0.1.0-alpha.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fswallet 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate fswallet 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate fswallet 0.1.0-alpha.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 06e57fd47c565298697f099a8c55c86ed5c052ac6f0ee082f3a9f25a62b6e833
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "06e57fd47c565298697f099a8c55c86ed5c052ac6f0ee082f3a9f25a62b6e833"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling home v0.3.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling ripemd160 v0.8.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling hdwallet v0.2.2
[INFO] [stderr]    Compiling hdwallet-bitcoin v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling fswallet v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::util::hex::ToHex`
[INFO] [stderr]  --> src/cli.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::util::hex::ToHex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `Arg`, `SubCommand`
[INFO] [stderr]  --> src/cli.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clap::{App, Arg, ArgMatches, SubCommand};
[INFO] [stderr]   |            ^^^  ^^^              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hdwallet_bitcoin::Network as BitcoinNetwork`
[INFO] [stderr]  --> src/cli.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use hdwallet_bitcoin::Network as BitcoinNetwork;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::error`
[INFO] [stderr]  --> src/cli.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use log::error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]   --> src/cli.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use serde::Serialize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `self`
[INFO] [stderr]   --> src/cli.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::fs::{self, File};
[INFO] [stderr]    |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Write`
[INFO] [stderr]   --> src/cli.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::{Read, Write};
[INFO] [stderr]    |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Derivation`, `KeySeed`
[INFO] [stderr]  --> src/key_manage.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Derivation, ExtendedPrivKey, KeySeed,
[INFO] [stderr]   |     ^^^^^^^^^^                   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Network`, `PrivKey as BitcoinPrivKey`
[INFO] [stderr]   --> src/key_manage.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | use hdwallet_bitcoin::{Network, PrivKey as BitcoinPrivKey};
[INFO] [stderr]    |                        ^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::key::KeyFile`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::key::KeyFile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::key_manage::KeyManage`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::key_manage::KeyManage;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::key_store::KeyStore`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::key_store::KeyStore;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::util::hex::ToHex`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::util::hex::ToHex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ExtendedPrivKey`, `KeySeed`
[INFO] [stderr]   --> src/main.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 | use hdwallet::{ExtendedPrivKey, KeySeed};
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hdwallet_bitcoin::Network as BitcoinNetwork`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use hdwallet_bitcoin::Network as BitcoinNetwork;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use serde::Serialize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `self`
[INFO] [stderr]   --> src/main.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::fs::{self, File};
[INFO] [stderr]    |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Write`
[INFO] [stderr]   --> src/main.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::io::{Read, Write};
[INFO] [stderr]    |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub_matches`
[INFO] [stderr]   --> src/cli.rs:54:23
[INFO] [stderr]    |
[INFO] [stderr] 54 |         ("list", Some(sub_matches)) => match key_store.read_key_names() {
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[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/util/serde.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn ser_hex<S>(data: &[u8], mut serializer: S) -> Result<S::Ok, S::Error>
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cli.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 key_store.write_key(key, key_file);
[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] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.76s
[INFO] running `"docker" "inspect" "06e57fd47c565298697f099a8c55c86ed5c052ac6f0ee082f3a9f25a62b6e833"`
[INFO] running `"docker" "rm" "-f" "06e57fd47c565298697f099a8c55c86ed5c052ac6f0ee082f3a9f25a62b6e833"`
[INFO] [stdout] 06e57fd47c565298697f099a8c55c86ed5c052ac6f0ee082f3a9f25a62b6e833
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "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] 1f869006026a5d40910cb544957d2ab32107edf8c9332a66e0a0911b4af5435e
[INFO] running `"docker" "start" "-a" "1f869006026a5d40910cb544957d2ab32107edf8c9332a66e0a0911b4af5435e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling fswallet v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::util::hex::ToHex`
[INFO] [stderr]  --> src/cli.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::util::hex::ToHex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `Arg`, `SubCommand`
[INFO] [stderr]  --> src/cli.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clap::{App, Arg, ArgMatches, SubCommand};
[INFO] [stderr]   |            ^^^  ^^^              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hdwallet_bitcoin::Network as BitcoinNetwork`
[INFO] [stderr]  --> src/cli.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use hdwallet_bitcoin::Network as BitcoinNetwork;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::error`
[INFO] [stderr]  --> src/cli.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use log::error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]   --> src/cli.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use serde::Serialize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `self`
[INFO] [stderr]   --> src/cli.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::fs::{self, File};
[INFO] [stderr]    |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Write`
[INFO] [stderr]   --> src/cli.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::{Read, Write};
[INFO] [stderr]    |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Derivation`, `KeySeed`
[INFO] [stderr]  --> src/key_manage.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Derivation, ExtendedPrivKey, KeySeed,
[INFO] [stderr]   |     ^^^^^^^^^^                   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Network`, `PrivKey as BitcoinPrivKey`
[INFO] [stderr]   --> src/key_manage.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | use hdwallet_bitcoin::{Network, PrivKey as BitcoinPrivKey};
[INFO] [stderr]    |                        ^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::key::KeyFile`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::key::KeyFile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::key_manage::KeyManage`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::key_manage::KeyManage;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::key_store::KeyStore`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::key_store::KeyStore;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::util::hex::ToHex`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::util::hex::ToHex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ExtendedPrivKey`, `KeySeed`
[INFO] [stderr]   --> src/main.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 | use hdwallet::{ExtendedPrivKey, KeySeed};
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hdwallet_bitcoin::Network as BitcoinNetwork`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use hdwallet_bitcoin::Network as BitcoinNetwork;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use serde::Serialize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `self`
[INFO] [stderr]   --> src/main.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::fs::{self, File};
[INFO] [stderr]    |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Write`
[INFO] [stderr]   --> src/main.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::io::{Read, Write};
[INFO] [stderr]    |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub_matches`
[INFO] [stderr]   --> src/cli.rs:54:23
[INFO] [stderr]    |
[INFO] [stderr] 54 |         ("list", Some(sub_matches)) => match key_store.read_key_names() {
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[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/util/serde.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn ser_hex<S>(data: &[u8], mut serializer: S) -> Result<S::Ok, S::Error>
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cli.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 key_store.write_key(key, key_file);
[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] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "1f869006026a5d40910cb544957d2ab32107edf8c9332a66e0a0911b4af5435e"`
[INFO] running `"docker" "rm" "-f" "1f869006026a5d40910cb544957d2ab32107edf8c9332a66e0a0911b4af5435e"`
[INFO] [stdout] 1f869006026a5d40910cb544957d2ab32107edf8c9332a66e0a0911b4af5435e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "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] fbadfe846c4f66917bae41727ae83746d1944fe8a0aa919f3b000cb5d338f1b9
[INFO] running `"docker" "start" "-a" "fbadfe846c4f66917bae41727ae83746d1944fe8a0aa919f3b000cb5d338f1b9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `crate::util::hex::ToHex`
[INFO] [stderr]  --> src/cli.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::util::hex::ToHex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `App`, `Arg`, `SubCommand`
[INFO] [stderr]  --> src/cli.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clap::{App, Arg, ArgMatches, SubCommand};
[INFO] [stderr]   |            ^^^  ^^^              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hdwallet_bitcoin::Network as BitcoinNetwork`
[INFO] [stderr]  --> src/cli.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use hdwallet_bitcoin::Network as BitcoinNetwork;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::error`
[INFO] [stderr]  --> src/cli.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use log::error;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]   --> src/cli.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use serde::Serialize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `self`
[INFO] [stderr]   --> src/cli.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::fs::{self, File};
[INFO] [stderr]    |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Write`
[INFO] [stderr]   --> src/cli.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::{Read, Write};
[INFO] [stderr]    |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Derivation`, `KeySeed`
[INFO] [stderr]  --> src/key_manage.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Derivation, ExtendedPrivKey, KeySeed,
[INFO] [stderr]   |     ^^^^^^^^^^                   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Network`, `PrivKey as BitcoinPrivKey`
[INFO] [stderr]   --> src/key_manage.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | use hdwallet_bitcoin::{Network, PrivKey as BitcoinPrivKey};
[INFO] [stderr]    |                        ^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::key::KeyFile`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::key::KeyFile;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::key_manage::KeyManage`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::key_manage::KeyManage;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::key_store::KeyStore`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::key_store::KeyStore;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::util::hex::ToHex`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::util::hex::ToHex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ExtendedPrivKey`, `KeySeed`
[INFO] [stderr]   --> src/main.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 | use hdwallet::{ExtendedPrivKey, KeySeed};
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hdwallet_bitcoin::Network as BitcoinNetwork`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use hdwallet_bitcoin::Network as BitcoinNetwork;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use serde::Serialize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `self`
[INFO] [stderr]   --> src/main.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::fs::{self, File};
[INFO] [stderr]    |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Write`
[INFO] [stderr]   --> src/main.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::io::{Read, Write};
[INFO] [stderr]    |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sub_matches`
[INFO] [stderr]   --> src/cli.rs:54:23
[INFO] [stderr]    |
[INFO] [stderr] 54 |         ("list", Some(sub_matches)) => match key_store.read_key_names() {
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_matches`
[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/util/serde.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn ser_hex<S>(data: &[u8], mut serializer: S) -> Result<S::Ok, S::Error>
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/cli.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 key_store.write_key(key, key_file);
[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] 
[INFO] [stderr] warning: 22 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fswallet-18ee1cf9c99fb871
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test util::hex::tests::hex_and_dehex ... ok
[INFO] [stdout] test key_manage::tests::test_enc_dec ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fbadfe846c4f66917bae41727ae83746d1944fe8a0aa919f3b000cb5d338f1b9"`
[INFO] running `"docker" "rm" "-f" "fbadfe846c4f66917bae41727ae83746d1944fe8a0aa919f3b000cb5d338f1b9"`
[INFO] [stdout] fbadfe846c4f66917bae41727ae83746d1944fe8a0aa919f3b000cb5d338f1b9