[INFO] fetching crate exocore-discovery 0.1.4...
[INFO] checking exocore-discovery-0.1.4 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate exocore-discovery 0.1.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate exocore-discovery 0.1.4 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exocore-discovery 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate exocore-discovery 0.1.4
[INFO] tweaked toml for crates.io crate exocore-discovery 0.1.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b95035e4f41260b25ffebc5177d0776d5f33f03bf57fe629d70ac52c12c2d2d
[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" "5b95035e4f41260b25ffebc5177d0776d5f33f03bf57fe629d70ac52c12c2d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b95035e4f41260b25ffebc5177d0776d5f33f03bf57fe629d70ac52c12c2d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b95035e4f41260b25ffebc5177d0776d5f33f03bf57fe629d70ac52c12c2d2d", kill_on_drop: false }`
[INFO] [stdout] 5b95035e4f41260b25ffebc5177d0776d5f33f03bf57fe629d70ac52c12c2d2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 462903a017fd21b82d81cd60cd931f8c9a5415cb02e10379deaab4c08f1c0f7f
[INFO] running `Command { std: "docker" "start" "-a" "462903a017fd21b82d81cd60cd931f8c9a5415cb02e10379deaab4c08f1c0f7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking memchr v2.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking hyper v0.14.7
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.3
[INFO] [stderr]     Checking exocore-discovery v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: The runtime flavor `multi_thread` requires the `rt-multi-thread` feature.
[INFO] [stdout]  --> tests/discovery.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[tokio::test(flavor = "multi_thread")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: The runtime flavor `multi_thread` requires the `rt-multi-thread` feature.
[INFO] [stdout]   --> tests/discovery.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | #[tokio::test(flavor = "multi_thread")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: The runtime flavor `multi_thread` requires the `rt-multi-thread` feature.
[INFO] [stdout]   --> tests/discovery.rs:99:1
[INFO] [stdout]    |
[INFO] [stdout] 99 | #[tokio::test(flavor = "multi_thread")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> tests/discovery.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Client`, `ServerConfig`, `Server`, `client::Error`
[INFO] [stdout]  --> tests/discovery.rs:3:25
[INFO] [stdout]   |
[INFO] [stdout] 3 | use exocore_discovery::{client::Error, Client, Server, ServerConfig};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^  ^^^^^^  ^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exocore-discovery`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "462903a017fd21b82d81cd60cd931f8c9a5415cb02e10379deaab4c08f1c0f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462903a017fd21b82d81cd60cd931f8c9a5415cb02e10379deaab4c08f1c0f7f", kill_on_drop: false }`
[INFO] [stdout] 462903a017fd21b82d81cd60cd931f8c9a5415cb02e10379deaab4c08f1c0f7f