[INFO] cloning repository https://github.com/TylerStanish/dns
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TylerStanish/dns" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTylerStanish%2Fdns", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTylerStanish%2Fdns'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb16ce0371ae5f1ea1d73430b67b5d6cf36035f1
[INFO] testing TylerStanish/dns against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTylerStanish%2Fdns" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TylerStanish/dns on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TylerStanish/dns
[INFO] finished tweaking git repo https://github.com/TylerStanish/dns
[INFO] tweaked toml for git repo https://github.com/TylerStanish/dns written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/TylerStanish/dns already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42c71e63540dfcb02a3a765ab15f75e9d65751c0d79bff791c285689ce351626
[INFO] running `Command { std: "docker" "start" "-a" "42c71e63540dfcb02a3a765ab15f75e9d65751c0d79bff791c285689ce351626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42c71e63540dfcb02a3a765ab15f75e9d65751c0d79bff791c285689ce351626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c71e63540dfcb02a3a765ab15f75e9d65751c0d79bff791c285689ce351626", kill_on_drop: false }`
[INFO] [stdout] 42c71e63540dfcb02a3a765ab15f75e9d65751c0d79bff791c285689ce351626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eaff699e2a5b5a9fea3394f81c0da78cd4ddfea5629cb0f8a2fe3915c03aec0
[INFO] running `Command { std: "docker" "start" "-a" "4eaff699e2a5b5a9fea3394f81c0da78cd4ddfea5629cb0f8a2fe3915c03aec0", kill_on_drop: false }`
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling ttl_cache v0.5.1
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling resize-slice v0.1.3
[INFO] [stderr]    Compiling dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ResponseCode`
[INFO] [stdout]  --> src/answer.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::header::{ResourceType, ResponseCode};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromBytes`
[INFO] [stdout]  --> src/answer.rs:3:63
[INFO] [stdout]   |
[INFO] [stdout] 3 |     deserialize_domain_from_bytes, serialize_domain_to_bytes, FromBytes, ToBytes,
[INFO] [stdout]   |                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SoaInformation`, `extract_string`
[INFO] [stdout]  --> src/authority.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::record::{extract_string, Record, SoaInformation};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::blocklist`
[INFO] [stdout]  --> src/client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::blocklist;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ResourceType`
[INFO] [stdout]  --> src/client.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::header::{ResourceType, ResponseCode};
[INFO] [stdout]   |                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::query::DnsQuery`
[INFO] [stdout]  --> src/client.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::query::DnsQuery;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SoaInformation`
[INFO] [stdout]  --> src/client.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::record::{RecordInformation, SoaInformation};
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `deserialize_domain_from_bytes`
[INFO] [stdout]   --> src/client.rs:10:95
[INFO] [stdout]    |
[INFO] [stdout] 10 |     deserialize_ipv4_from_str, deserialize_ipv6_from_str, serialize_domain_to_bytes, ToBytes, deserialize_domain_from_bytes,
[INFO] [stdout]    |                                                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ResourceType`
[INFO] [stdout]  --> src/packet.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::header::{DnsHeader, ResourceType, ResponseCode};
[INFO] [stdout]   |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ResponseCode`
[INFO] [stdout]  --> src/query.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::header::{ResourceType, ResponseCode};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromBytes`
[INFO] [stdout]  --> src/query.rs:3:63
[INFO] [stdout]   |
[INFO] [stdout] 3 |     deserialize_domain_from_bytes, serialize_domain_to_bytes, FromBytes, ToBytes,
[INFO] [stdout]   |                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DnsHeader`
[INFO] [stdout]  --> src/resolvers.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::header::{DnsHeader, ResourceType};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::header::ResponseCode`
[INFO] [stdout]  --> src/serialization.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::header::ResponseCode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::packet::DnsPacket`
[INFO] [stdout]  --> src/serialization.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::packet::DnsPacket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteOrder`
[INFO] [stdout]  --> src/record.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use byteorder::{ByteOrder, NetworkEndian, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/header.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             _ => 0, // FIXME should this be 0?
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flags` is never read
[INFO] [stdout]    --> src/header.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let mut flags = 0u16;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/query.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Err(code) => return Err(DnsQuery::new()),
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/authority.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_nameserver`
[INFO] [stdout]    --> src/client.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn get_nameserver() -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_error`
[INFO] [stdout]   --> src/packet.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new_error(err: ResponseCode) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/record.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/record.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/record.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn new(preference: u16, exchange: String) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stub_resolver`
[INFO] [stdout]  --> src/resolvers.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn stub_resolver(_host: &str, req: packet::DnsPacket) -> packet::DnsPacket {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `Command { std: "docker" "inspect" "4eaff699e2a5b5a9fea3394f81c0da78cd4ddfea5629cb0f8a2fe3915c03aec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eaff699e2a5b5a9fea3394f81c0da78cd4ddfea5629cb0f8a2fe3915c03aec0", kill_on_drop: false }`
[INFO] [stdout] 4eaff699e2a5b5a9fea3394f81c0da78cd4ddfea5629cb0f8a2fe3915c03aec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aff8039b6c66dfa373fee4282c98f7db355d1a0c5aa2acacc2a25c1b1894325a
[INFO] running `Command { std: "docker" "start" "-a" "aff8039b6c66dfa373fee4282c98f7db355d1a0c5aa2acacc2a25c1b1894325a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling dns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ResponseCode`
[INFO] [stdout]  --> src/answer.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::header::{ResourceType, ResponseCode};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `extract_string`
[INFO] [stdout]  --> src/authority.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::record::{extract_string, Record, SoaInformation};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `create_dir`, `remove_dir_all`
[INFO] [stdout]   --> src/authority.rs:91:19
[INFO] [stdout]    |
[INFO] [stdout] 91 |     use std::fs::{create_dir, read_dir, remove_dir, remove_dir_all, File};
[INFO] [stdout]    |                   ^^^^^^^^^^                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> src/authority.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     use std::path::Path;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::blocklist`
[INFO] [stdout]  --> src/client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::blocklist;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `deserialize_domain_from_bytes`
[INFO] [stdout]   --> src/client.rs:10:95
[INFO] [stdout]    |
[INFO] [stdout] 10 |     deserialize_ipv4_from_str, deserialize_ipv6_from_str, serialize_domain_to_bytes, ToBytes, deserialize_domain_from_bytes,
[INFO] [stdout]    |                                                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `remove_file`
[INFO] [stdout]    --> src/client.rs:190:19
[INFO] [stdout]     |
[INFO] [stdout] 190 |     use std::fs::{remove_file, File};
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ResponseCode`
[INFO] [stdout]  --> src/query.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::header::{ResourceType, ResponseCode};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DnsHeader`
[INFO] [stdout]  --> src/resolvers.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::header::{DnsHeader, ResourceType};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::header::ResponseCode`
[INFO] [stdout]  --> src/serialization.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::header::ResponseCode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::packet::DnsPacket`
[INFO] [stdout]  --> src/serialization.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::packet::DnsPacket;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromBytes`
[INFO] [stdout]  --> src/answer.rs:3:63
[INFO] [stdout]   |
[INFO] [stdout] 3 |     deserialize_domain_from_bytes, serialize_domain_to_bytes, FromBytes, ToBytes,
[INFO] [stdout]   |                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromBytes`
[INFO] [stdout]  --> src/query.rs:3:63
[INFO] [stdout]   |
[INFO] [stdout] 3 |     deserialize_domain_from_bytes, serialize_domain_to_bytes, FromBytes, ToBytes,
[INFO] [stdout]   |                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteOrder`
[INFO] [stdout]  --> src/record.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use byteorder::{ByteOrder, NetworkEndian, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/header.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |             _ => 0, // FIXME should this be 0?
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flags` is never read
[INFO] [stdout]    --> src/header.rs:192:17
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let mut flags = 0u16;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]   --> src/query.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Err(code) => return Err(DnsQuery::new()),
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/record.rs:265:13
[INFO] [stdout]     |
[INFO] [stdout] 265 |         let mut expected_mx_info = MXInformation::new(42, "mail.foo.com".to_owned());
[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: function is never used: `get_nameserver`
[INFO] [stdout]    --> src/client.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn get_nameserver() -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_error`
[INFO] [stdout]   --> src/packet.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new_error(err: ResponseCode) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stub_resolver`
[INFO] [stdout]  --> src/resolvers.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn stub_resolver(_host: &str, req: packet::DnsPacket) -> packet::DnsPacket {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "aff8039b6c66dfa373fee4282c98f7db355d1a0c5aa2acacc2a25c1b1894325a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff8039b6c66dfa373fee4282c98f7db355d1a0c5aa2acacc2a25c1b1894325a", kill_on_drop: false }`
[INFO] [stdout] aff8039b6c66dfa373fee4282c98f7db355d1a0c5aa2acacc2a25c1b1894325a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 577536fbf3ff89e02b41c9812a37fecd676e632f311fda4a83231b28726f00e7
[INFO] running `Command { std: "docker" "start" "-a" "577536fbf3ff89e02b41c9812a37fecd676e632f311fda4a83231b28726f00e7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ResponseCode`
[INFO] [stderr]  --> src/answer.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::header::{ResourceType, ResponseCode};
[INFO] [stderr]   |                                   ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `extract_string`
[INFO] [stderr]  --> src/authority.rs:9:21
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::record::{extract_string, Record, SoaInformation};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `create_dir`, `remove_dir_all`
[INFO] [stderr]   --> src/authority.rs:91:19
[INFO] [stderr]    |
[INFO] [stderr] 91 |     use std::fs::{create_dir, read_dir, remove_dir, remove_dir_all, File};
[INFO] [stderr]    |                   ^^^^^^^^^^                        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/authority.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     use std::path::Path;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::blocklist`
[INFO] [stderr]  --> src/client.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::blocklist;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `deserialize_domain_from_bytes`
[INFO] [stderr]   --> src/client.rs:10:95
[INFO] [stderr]    |
[INFO] [stderr] 10 |     deserialize_ipv4_from_str, deserialize_ipv6_from_str, serialize_domain_to_bytes, ToBytes, deserialize_domain_from_bytes,
[INFO] [stderr]    |                                                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `remove_file`
[INFO] [stderr]    --> src/client.rs:190:19
[INFO] [stderr]     |
[INFO] [stderr] 190 |     use std::fs::{remove_file, File};
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ResponseCode`
[INFO] [stderr]  --> src/query.rs:1:35
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::header::{ResourceType, ResponseCode};
[INFO] [stderr]   |                                   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DnsHeader`
[INFO] [stderr]  --> src/resolvers.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::header::{DnsHeader, ResourceType};
[INFO] [stderr]   |                     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::header::ResponseCode`
[INFO] [stderr]  --> src/serialization.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::header::ResponseCode;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::packet::DnsPacket`
[INFO] [stderr]  --> src/serialization.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::packet::DnsPacket;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FromBytes`
[INFO] [stderr]  --> src/answer.rs:3:63
[INFO] [stderr]   |
[INFO] [stderr] 3 |     deserialize_domain_from_bytes, serialize_domain_to_bytes, FromBytes, ToBytes,
[INFO] [stderr]   |                                                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FromBytes`
[INFO] [stderr]  --> src/query.rs:3:63
[INFO] [stderr]   |
[INFO] [stderr] 3 |     deserialize_domain_from_bytes, serialize_domain_to_bytes, FromBytes, ToBytes,
[INFO] [stderr]   |                                                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]  --> src/record.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use byteorder::{ByteOrder, NetworkEndian, WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/header.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             _ => 0, // FIXME should this be 0?
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `flags` is never read
[INFO] [stderr]    --> src/header.rs:192:17
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let mut flags = 0u16;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code`
[INFO] [stderr]   --> src/query.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |             Err(code) => return Err(DnsQuery::new()),
[INFO] [stderr]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_code`
[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/record.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 265 |         let mut expected_mx_info = MXInformation::new(42, "mail.foo.com".to_owned());
[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: function is never used: `get_nameserver`
[INFO] [stderr]    --> src/client.rs:178:4
[INFO] [stderr]     |
[INFO] [stderr] 178 | fn get_nameserver() -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_error`
[INFO] [stderr]   --> src/packet.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn new_error(err: ResponseCode) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stub_resolver`
[INFO] [stderr]  --> src/resolvers.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn stub_resolver(_host: &str, req: packet::DnsPacket) -> packet::DnsPacket {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dns` (bin "dns" test) generated 21 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dns-b26ecd009052047d)
[INFO] [stdout] 
[INFO] [stdout] running 50 tests
[INFO] [stdout] test answer::tests::test_from_bytes_and_to_bytes ... ok
[INFO] [stdout] test client::tests::test_client_blocklist ... ok
[INFO] [stdout] test blocklist::tests::test_validate_blocklist_entry ... ok
[INFO] [stdout] test client::tests::accepts_single_question_only ... ok
[INFO] [stdout] test authority::tests::test_authority_new_from_yaml ... ok
[INFO] [stdout] test client::tests::test_inverse_query ... ok
[INFO] [stdout] test client::tests::test_query_hits_cache ... ok
[INFO] [stdout] test answer::tests::test_dns_answer_from_bytes ... ok
[INFO] [stdout] test answer::tests::test_dns_answer_to_bytes ... ok
[INFO] [stdout] test header::tests::test_header_from_bytes ... ok
[INFO] [stdout] test header::tests::test_header_from_bytes_with_nonzero_counts ... ok
[INFO] [stdout] test packet::tests::test_packet_to_bytes_and_from_bytes ... ok
[INFO] [stdout] test query::tests::test_dns_query_to_bytes ... ok
[INFO] [stdout] test query::tests::test_query_from_bytes ... ok
[INFO] [stdout] test query::tests::test_query_from_bytes_multiple_queries ... ok
[INFO] [stdout] test record::tests::test_mx_info_to_bytes ... ok
[INFO] [stdout] test packet::tests::test_request_from_bytes_zero_questions ... ok
[INFO] [stdout] test header::tests::test_response_header_to_bytes ... ok
[INFO] [stdout] test packet::tests::test_request_from_bytes_with_one_question ... ok
[INFO] [stdout] test header::tests::test_z_in_bounds ... ok
[INFO] [stdout] test packet::tests::test_request_from_bytes_with_many_questions ... ok
[INFO] [stdout] test header::tests::test_header_from_bytes_with_more_nonzero_flags ... ok
[INFO] [stdout] test record::tests::test_mx_info_from_yaml ... ok
[INFO] [stdout] test query::tests::test_query_from_bytes_with_subdomain ... ok
[INFO] [stdout] test header::tests::test_header_from_bytes_with_more_nonzero_flags_and_opcode ... ok
[INFO] [stdout] test header::tests::test_multibit_from_bytes_and_bounds ... ok
[INFO] [stdout] test packet::tests::test_packet_from_bytes_with_one_answer ... ok
[INFO] [stdout] test header::tests::test_header_to_bytes_all_zero ... ok
[INFO] [stdout] test packet::tests::test_packet_additional_and_authority ... ok
[INFO] [stdout] test packet::tests::test_packet_from_bytes_with_pointers ... ok
[INFO] [stdout] test packet::tests::test_packet_from_bytes_with_many_answers ... ok
[INFO] [stdout] test client::tests::test_gives_error_for_invalid_domain ... ok
[INFO] [stdout] test header::tests::test_z_out_of_bounds ... ok
[INFO] [stdout] test record::tests::test_record_from_yaml ... ok
[INFO] [stdout] test record::tests::test_soa_info_from_yaml ... ok
[INFO] [stdout] test serialization::tests::test_deserialize_domain_from_bytes_with_pointer ... ok
[INFO] [stdout] test record::tests::test_soa_info_to_bytes ... ok
[INFO] [stdout] test serialization::tests::test_deserialize_ipv4_from_str ... ok
[INFO] [stdout] test serialization::tests::test_serialize_domain_to_bytes ... ok
[INFO] [stdout] test serialization::tests::test_expand_pointers ... ok
[INFO] [stdout] test serialization::tests::test_deserialize_domain_from_bytes ... ok
[INFO] [stdout] test serialization::tests::test_serialize_domain_to_bytes_with_subdomain ... ok
[INFO] [stdout] test serialization::tests::test_deserialize_domain_from_bytes_with_subdomain ... ok
[INFO] [stdout] test client::tests::test_authoritative_query ... ok
[INFO] [stdout] test serialization::tests::test_deserialize_ipv6_from_str ... ok
[INFO] [stdout] test authority::tests::test_authorities_with_real_files ... ok
[INFO] [stdout] test authority::tests::test_fails_with_zero_soa_records - should panic ... ok
[INFO] [stdout] test authority::tests::test_fails_with_two_soa_records - should panic ... ok
[INFO] [stdout] test tests::test_invalid_yaml_fails_early - should panic ... ok
[INFO] [stdout] test authority::tests::test_create_authorities_directory_if_absent ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- authority::tests::test_create_authorities_directory_if_absent stdout ----
[INFO] [stdout] thread 'authority::tests::test_create_authorities_directory_if_absent' panicked at 'The authorities directory already exists: ReadDir("/tmp/authorities.QONxWL5m8v3k")', src/authority.rs:224:34
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5629f0123280 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5629f0123280 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5629f0123280 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5629f0123280 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5629f01483ec - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x5629f011e035 - std::io::Write::write_fmt::h5f34a676f60246b5
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x5629f012582b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5629f012582b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5629f012582b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5629f012533c - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x5629f0125ef4 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5629f01259d7 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x5629f012375c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5629f0125939 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x5629efff7491 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x5629efff7583 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x5629f0027f88 - core::result::Result<T,E>::expect_err::h2b436dc110b10f1c
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1308:22
[INFO] [stdout]   17:     0x5629f004795c - dns::authority::tests::test_create_authorities_directory_if_absent::h84c73dfb97db2b81
[INFO] [stdout]                                at /opt/rustwide/workdir/src/authority.rs:224:9
[INFO] [stdout]   18:     0x5629f004786a - dns::authority::tests::test_create_authorities_directory_if_absent::{{closure}}::h684bdd805768dc21
[INFO] [stdout]                                at /opt/rustwide/workdir/src/authority.rs:222:5
[INFO] [stdout]   19:     0x5629f004e7ce - core::ops::function::FnOnce::call_once::hd824db60fac444b2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x5629f0085e83 - core::ops::function::FnOnce::call_once::hbb52c4519d3137b0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x5629f0085e83 - test::__rust_begin_short_backtrace::h86fe3a2a5a5121af
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:578:5
[INFO] [stdout]   22:     0x5629f0084938 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hfd956bc3d57399be
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   23:     0x5629f0084938 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h40dc93e0ddb5938a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x5629f0084938 - std::panicking::try::do_call::h90d07750cb47c562
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x5629f0084938 - std::panicking::try::h063c84733ad2a629
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x5629f0084938 - std::panic::catch_unwind::h0c464836a84e7c08
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x5629f0084938 - test::run_test_in_process::h5cb06ef620b157fc
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:601:18
[INFO] [stdout]   28:     0x5629f0084938 - test::run_test::run_test_inner::{{closure}}::h76f677f4b93f9828
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:493:39
[INFO] [stdout]   29:     0x5629f00530cd - test::run_test::run_test_inner::{{closure}}::h366d01fe04f4d67a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/test/src/lib.rs:520:37
[INFO] [stdout]   30:     0x5629f00530cd - std::sys_common::backtrace::__rust_begin_short_backtrace::h7dfa0de4eb395af2
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x5629f0057898 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf0a74bb58798037f
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:476:17
[INFO] [stdout]   32:     0x5629f0057898 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb024e854818586ac
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x5629f0057898 - std::panicking::try::do_call::hb2dd9f1d0d48e41d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x5629f0057898 - std::panicking::try::h4717ae7bac8b2bf3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x5629f0057898 - std::panic::catch_unwind::h0dc8a061326ce8d8
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x5629f0057898 - std::thread::Builder::spawn_unchecked::{{closure}}::haa369e2d6fd00aa1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/thread/mod.rs:475:30
[INFO] [stdout]   37:     0x5629f0057898 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h36dcf3de8b056f17
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x5629f012bf87 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h65c29e4642be2358
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   39:     0x5629f012bf87 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd0f8f7fbbd9fffbf
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/alloc/src/boxed.rs:1572:9
[INFO] [stdout]   40:     0x5629f012bf87 - std::sys::unix::thread::Thread::new::thread_start::h2fd22fee3ca77b65
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys/unix/thread.rs:74:17
[INFO] [stdout]   41:     0x7face810d609 - start_thread
[INFO] [stdout]   42:     0x7face7ee5293 - clone
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     authority::tests::test_create_authorities_directory_if_absent
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 49 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin dns'
[INFO] running `Command { std: "docker" "inspect" "577536fbf3ff89e02b41c9812a37fecd676e632f311fda4a83231b28726f00e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577536fbf3ff89e02b41c9812a37fecd676e632f311fda4a83231b28726f00e7", kill_on_drop: false }`
[INFO] [stdout] 577536fbf3ff89e02b41c9812a37fecd676e632f311fda4a83231b28726f00e7
