[INFO] cloning repository https://github.com/gridgentoo/linkerd2-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gridgentoo/linkerd2-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgridgentoo%2Flinkerd2-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgridgentoo%2Flinkerd2-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7a8ee98c63b6729e02f54a5182a9b7f56695922
[INFO] checking gridgentoo/linkerd2-proxy against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgridgentoo%2Flinkerd2-proxy" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gridgentoo/linkerd2-proxy on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gridgentoo/linkerd2-proxy
[INFO] finished tweaking git repo https://github.com/gridgentoo/linkerd2-proxy
[INFO] tweaked toml for git repo https://github.com/gridgentoo/linkerd2-proxy written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/gridgentoo/linkerd2-proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower`
[INFO] [stderr]     Updating git repository `https://github.com/linkerd/webpki`
[INFO] [stderr]     Updating git repository `https://github.com/linkerd/linkerd2-proxy-api`
[INFO] [stderr]     Updating git repository `https://github.com/tower-rs/tower-http`
[INFO] [stderr]     Updating git repository `https://github.com/bluejekyll/trust-dns.git`
[INFO] [stderr]     Updating git repository `https://github.com/carllerche/tokio-connect`
[INFO] [stderr]     Updating git repository `https://github.com/hawkw/tokio-trace`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5daef242db7efed6095c412a7b8c9486308ec9b9581f10b81536d01d8c0e2b0d
[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" "5daef242db7efed6095c412a7b8c9486308ec9b9581f10b81536d01d8c0e2b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5daef242db7efed6095c412a7b8c9486308ec9b9581f10b81536d01d8c0e2b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5daef242db7efed6095c412a7b8c9486308ec9b9581f10b81536d01d8c0e2b0d", kill_on_drop: false }`
[INFO] [stdout] 5daef242db7efed6095c412a7b8c9486308ec9b9581f10b81536d01d8c0e2b0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4da83e65f92e327a5cb64c5dd048edd67c96c624d1b83fc26aba34faa0bfcd1b
[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" "4da83e65f92e327a5cb64c5dd048edd67c96c624d1b83fc26aba34faa0bfcd1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking tower-layer v0.3.0 (https://github.com/tower-rs/tower?rev=ad348d8#ad348d8e)
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]     Checking dyn-clone v1.0.3
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking try-lock v0.2.1
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking linkerd2-errno v0.1.0 (/opt/rustwide/workdir/linkerd/errno)
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking linkerd2-conditional v0.1.0 (/opt/rustwide/workdir/linkerd/conditional)
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking utf8-width v0.1.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling linkerd2-app-core v0.1.0 (/opt/rustwide/workdir/linkerd/app/core)
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking ipnet v1.0.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking unicode-bidi 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 petgraph v0.5.0
[INFO] [stderr]     Checking html-escape v0.2.5
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking miniz_oxide v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking string v0.2.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking gzip-header v0.1.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tower-request-modifier v0.1.0 (https://github.com/tower-rs/tower-http#bd7a4654)
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-connect v0.1.0 (https://github.com/carllerche/tokio-connect#f7ad1ca4)
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]    Compiling tempfile v3.0.5
[INFO] [stderr]     Checking quickcheck v0.9.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking webpki v0.21.2 (https://github.com/linkerd/webpki?branch=cert-dns-names-0.21#bb241f5b)
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking linkerd2-dns-name v0.1.0 (/opt/rustwide/workdir/linkerd/dns/name)
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking linkerd2-addr v0.1.0 (/opt/rustwide/workdir/linkerd/addr)
[INFO] [stderr]    Compiling tracing-attributes v0.1.10
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling async-trait v0.1.31
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking thiserror v1.0.18
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking linkerd2-identity v0.1.0 (/opt/rustwide/workdir/linkerd/identity)
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking prost-types v0.6.1
[INFO] [stderr]    Compiling tonic-build v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking linkerd2-error v0.1.0 (/opt/rustwide/workdir/linkerd/error)
[INFO] [stderr]     Checking tower v0.3.1 (https://github.com/tower-rs/tower?rev=ad348d8#ad348d8e)
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-test v0.2.1
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking linkerd2-duplex v0.1.0 (/opt/rustwide/workdir/linkerd/duplex)
[INFO] [stderr]     Checking trust-dns-proto v0.20.0 (https://github.com/bluejekyll/trust-dns.git?rev=97d3bf10ecb0711aebf523e930f5de873808eb33#97d3bf10)
[INFO] [stderr]     Checking linkerd2-exp-backoff v0.1.0 (/opt/rustwide/workdir/linkerd/exp-backoff)
[INFO] [stderr]     Checking linkerd2-signal v0.1.0 (/opt/rustwide/workdir/linkerd/signal)
[INFO] [stderr]     Checking linkerd2-drain v0.1.0 (/opt/rustwide/workdir/linkerd/drain)
[INFO] [stderr]    Compiling linkerd2-proxy-api v0.1.15 (https://github.com/linkerd/linkerd2-proxy-api?tag=v0.1.15#d260ea21)
[INFO] [stderr]    Compiling opencensus-proto v0.1.0 (/opt/rustwide/workdir/opencensus-proto)
[INFO] [stderr]     Checking tower-test v0.3.0
[INFO] [stderr]     Checking linkerd2-io v0.1.0 (/opt/rustwide/workdir/linkerd/io)
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking tonic v0.3.1
[INFO] [stderr]     Checking linkerd2-stack v0.1.0 (/opt/rustwide/workdir/linkerd/stack)
[INFO] [stderr]     Checking linkerd2-proxy-core v0.1.0 (/opt/rustwide/workdir/linkerd/proxy/core)
[INFO] [stderr]     Checking linkerd2-http-box v0.1.0 (/opt/rustwide/workdir/linkerd/http-box)
[INFO] [stderr]     Checking linkerd2-buffer v0.1.0 (/opt/rustwide/workdir/linkerd/buffer)
[INFO] [stderr]     Checking linkerd2-error-respond v0.1.0 (/opt/rustwide/workdir/linkerd/error-respond)
[INFO] [stderr]     Checking linkerd2-concurrency-limit v0.1.0 (/opt/rustwide/workdir/linkerd/concurrency-limit)
[INFO] [stderr]     Checking linkerd2-proxy-resolve v0.1.0 (/opt/rustwide/workdir/linkerd/proxy/resolve)
[INFO] [stderr]     Checking trust-dns-resolver v0.20.0 (https://github.com/bluejekyll/trust-dns.git?rev=97d3bf10ecb0711aebf523e930f5de873808eb33#97d3bf10)
[INFO] [stderr]     Checking linkerd2-timeout v0.1.0 (/opt/rustwide/workdir/linkerd/timeout)
[INFO] [stderr]     Checking linkerd2-http-classify v0.1.0 (/opt/rustwide/workdir/linkerd/http-classify)
[INFO] [stderr]     Checking linkerd2-stack-tracing v0.1.0 (/opt/rustwide/workdir/linkerd/stack/tracing)
[INFO] [stderr]     Checking linkerd2-cache v0.1.0 (/opt/rustwide/workdir/linkerd/cache)
[INFO] [stderr]     Checking linkerd2-proxy-discover v0.1.0 (/opt/rustwide/workdir/linkerd/proxy/discover)
[INFO] [stderr]     Checking linkerd2-reconnect v0.1.0 (/opt/rustwide/workdir/linkerd/reconnect)
[INFO] [stderr]     Checking linkerd2-proxy-tcp v0.1.0 (/opt/rustwide/workdir/linkerd/proxy/tcp)
[INFO] [stderr]     Checking linkerd2-trace-context v0.1.0 (/opt/rustwide/workdir/linkerd/trace-context)
[INFO] [stderr]     Checking linkerd2-retry v0.1.0 (/opt/rustwide/workdir/linkerd/retry)
[INFO] [stderr]     Checking linkerd2-dns v0.1.0 (/opt/rustwide/workdir/linkerd/dns)
[INFO] [stdout] error: panic message is not a string literal
[INFO] [stdout]    --> linkerd/dns/src/lib.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 format!("{} should contain {}", suffix, name)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> linkerd/dns/src/lib.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | #![deny(warnings, rust_2018_idioms)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(non_fmt_panic)]` implied by `#[deny(warnings)]`
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 "{} should contain {}", suffix, name
[INFO] [stdout]     |                --                                  --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: panic message is not a string literal
[INFO] [stdout]    --> linkerd/dns/src/lib.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 format!("{} should not contain {}", suffix, name)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 "{} should not contain {}", suffix, name
[INFO] [stdout]     |                --                                      --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linkerd2-dns`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4da83e65f92e327a5cb64c5dd048edd67c96c624d1b83fc26aba34faa0bfcd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da83e65f92e327a5cb64c5dd048edd67c96c624d1b83fc26aba34faa0bfcd1b", kill_on_drop: false }`
[INFO] [stdout] 4da83e65f92e327a5cb64c5dd048edd67c96c624d1b83fc26aba34faa0bfcd1b