[INFO] cloning repository https://github.com/kunerd/koppeln
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kunerd/koppeln" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunerd%2Fkoppeln", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunerd%2Fkoppeln'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3dd2d5182b69f8aa9f2e5741a167998f20c53c43
[INFO] checking kunerd/koppeln against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkunerd%2Fkoppeln" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kunerd/koppeln on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kunerd/koppeln
[INFO] finished tweaking git repo https://github.com/kunerd/koppeln
[INFO] tweaked toml for git repo https://github.com/kunerd/koppeln written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/kunerd/koppeln already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f2ca70c6d9d2a2f972db6782c49f75c5c53da8e18b17043583672425728d911
[INFO] running `Command { std: "docker" "start" "-a" "2f2ca70c6d9d2a2f972db6782c49f75c5c53da8e18b17043583672425728d911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f2ca70c6d9d2a2f972db6782c49f75c5c53da8e18b17043583672425728d911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f2ca70c6d9d2a2f972db6782c49f75c5c53da8e18b17043583672425728d911", kill_on_drop: false }`
[INFO] [stdout] 2f2ca70c6d9d2a2f972db6782c49f75c5c53da8e18b17043583672425728d911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c73d3335ba26cbc74c1105903a2dab1c8e46470f97d1c13abe37669f19ce6da5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c73d3335ba26cbc74c1105903a2dab1c8e46470f97d1c13abe37669f19ce6da5", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking log v0.4.11
[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]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.16
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking unicode-normalization v0.1.14
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking trust-dns-proto v0.19.6
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking trust-dns-client v0.19.6
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking testcontainers v0.11.0
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking koppeln v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> tests/settings.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stdout]  --> tests/settings.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf`, `Path`
[INFO] [stdout]  --> tests/settings.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> tests/settings.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> tests/settings.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> tests/settings.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stdout]  --> tests/dns.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> tests/dns.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> tests/dns.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Uri`, `body::HttpBody as _`
[INFO] [stdout]  --> tests/dns.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use hyper::{body::HttpBody as _, Body, Client, Request, Uri};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spectral::prelude::*`
[INFO] [stdout]   --> tests/dns.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use spectral::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trust_dns_client::op::DnsResponse`
[INFO] [stdout]   --> tests/dns.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use trust_dns_client::op::DnsResponse;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Client`
[INFO] [stdout]   --> tests/dns.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 | use trust_dns_client::client::{Client as DnsClient, ClientHandle, AsyncClient};
[INFO] [stdout]    |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `container`
[INFO] [stdout]   --> tests/dns.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let container = docker.run(TestServer);
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_container`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bg`
[INFO] [stdout]   --> tests/dns.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let (mut client, bg) = AsyncClient::connect(stream).await.expect("connection failed");
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_bg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 57s
[INFO] running `Command { std: "docker" "inspect" "c73d3335ba26cbc74c1105903a2dab1c8e46470f97d1c13abe37669f19ce6da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73d3335ba26cbc74c1105903a2dab1c8e46470f97d1c13abe37669f19ce6da5", kill_on_drop: false }`
[INFO] [stdout] c73d3335ba26cbc74c1105903a2dab1c8e46470f97d1c13abe37669f19ce6da5