[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#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgridgentoo%2Flinkerd2-proxy" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gridgentoo/linkerd2-proxy on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[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-7/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/bluejekyll/trust-dns.git`
[INFO] [stderr]     Updating git repository `https://github.com/hawkw/tokio-trace`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-width v0.1.3
[INFO] [stderr]   Downloaded try-lock v0.2.1
[INFO] [stderr]   Downloaded ipnet v1.0.0
[INFO] [stderr]   Downloaded mimalloc v0.1.19
[INFO] [stderr]   Downloaded libmimalloc-sys v0.1.15
[INFO] [stderr]   Downloaded tracing-attributes v0.1.10
[INFO] [stderr]   Downloaded html-escape v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b22cd9b5ccff033181b70683cd71346907c35da4be91cfe64a15efde1a6d120f
[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" "b22cd9b5ccff033181b70683cd71346907c35da4be91cfe64a15efde1a6d120f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b22cd9b5ccff033181b70683cd71346907c35da4be91cfe64a15efde1a6d120f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22cd9b5ccff033181b70683cd71346907c35da4be91cfe64a15efde1a6d120f", kill_on_drop: false }`
[INFO] [stdout] b22cd9b5ccff033181b70683cd71346907c35da4be91cfe64a15efde1a6d120f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1609d587c65b3aeaecc3df265d24affac4cc1c12965ad7fee748eb5b2f454495
[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" "1609d587c65b3aeaecc3df265d24affac4cc1c12965ad7fee748eb5b2f454495", 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
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[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-sink v0.3.5
[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
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[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
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[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[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 adler32 v1.0.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[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]    Compiling serde v1.0.104
[INFO] [stderr]     Checking linkerd2-errno v0.1.0 (/opt/rustwide/workdir/linkerd/errno)
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]     Checking linkerd2-conditional v0.1.0 (/opt/rustwide/workdir/linkerd/conditional)
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking utf8-width v0.1.3
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking hex v0.3.2
[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 utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking lock_api v0.4.1
[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 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 rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[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]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.2
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[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 rand_os v0.1.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[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 prost-build v0.6.1
[INFO] [stderr]     Checking addr2line v0.12.1
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking thread_local v0.2.7
[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 regex v1.3.9
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.0
[INFO] [stderr]     Checking gzip-header v0.1.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking flate2 v1.0.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tokio-connect v0.1.0 (https://github.com/carllerche/tokio-connect#f7ad1ca4)
[INFO] [stderr]    Compiling tempfile v3.0.5
[INFO] [stderr]     Checking quickcheck v0.9.0
[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]     Checking h2 v0.1.26
[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 thiserror v1.0.18
[INFO] [stderr]     Checking tracing v0.1.19
[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 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 trust-dns-proto v0.20.0 (https://github.com/bluejekyll/trust-dns.git?rev=97d3bf10ecb0711aebf523e930f5de873808eb33#97d3bf10)
[INFO] [stderr]     Checking linkerd2-signal v0.1.0 (/opt/rustwide/workdir/linkerd/signal)
[INFO] [stderr]     Checking futures v0.3.5
[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 h2 v0.2.6
[INFO] [stderr]     Checking tower-test v0.3.0
[INFO] [stderr]     Checking linkerd2-error v0.1.0 (/opt/rustwide/workdir/linkerd/error)
[INFO] [stderr]     Checking linkerd2-duplex v0.1.0 (/opt/rustwide/workdir/linkerd/duplex)
[INFO] [stderr]     Checking linkerd2-exp-backoff v0.1.0 (/opt/rustwide/workdir/linkerd/exp-backoff)
[INFO] [stderr]     Checking tonic v0.3.1
[INFO] [stderr]     Checking linkerd2-io v0.1.0 (/opt/rustwide/workdir/linkerd/io)
[INFO] [stdout] error: unused borrow that must be used
[INFO] [stdout]   --> linkerd/duplex/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> linkerd/duplex/src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings, rust_2018_idioms)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout]    = note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused borrow that must be used
[INFO] [stdout]   --> linkerd/duplex/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused borrow that must be used
[INFO] [stdout]   --> linkerd/duplex/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linkerd2-duplex` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: unused borrow that must be used
[INFO] [stdout]   --> linkerd/duplex/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> linkerd/duplex/src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings, rust_2018_idioms)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout]    = note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused borrow that must be used
[INFO] [stdout]   --> linkerd/duplex/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused borrow that must be used
[INFO] [stdout]   --> linkerd/duplex/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused borrow that must be used
[INFO] [stdout]   --> linkerd/exp-backoff/src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> linkerd/exp-backoff/src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings, rust_2018_idioms)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout]    = note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused borrow that must be used
[INFO] [stdout]   --> linkerd/exp-backoff/src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> linkerd/io/src/peek.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> linkerd/io/src/peek.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> linkerd/io/src/prefixed.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> linkerd/io/src/sensor.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused borrow that must be used
[INFO] [stdout]   --> linkerd/exp-backoff/src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> linkerd/exp-backoff/src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings, rust_2018_idioms)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout]    = note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused borrow that must be used
[INFO] [stdout]   --> linkerd/exp-backoff/src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> linkerd/io/src/peek.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> linkerd/io/src/peek.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> linkerd/io/src/prefixed.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> linkerd/io/src/sensor.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[pin_project]
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1609d587c65b3aeaecc3df265d24affac4cc1c12965ad7fee748eb5b2f454495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1609d587c65b3aeaecc3df265d24affac4cc1c12965ad7fee748eb5b2f454495", kill_on_drop: false }`
[INFO] [stdout] 1609d587c65b3aeaecc3df265d24affac4cc1c12965ad7fee748eb5b2f454495