[INFO] fetching crate mdns-client 0.1.0...
[INFO] testing mdns-client-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate mdns-client 0.1.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate mdns-client 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdns-client 0.1.0
[INFO] finished tweaking crates.io crate mdns-client 0.1.0
[INFO] tweaked toml for crates.io crate mdns-client 0.1.0 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dns-message-parser v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2af6462ccf65b278b6c10ffb532162022ec091086833059004b652f4381bf407
[INFO] running `Command { std: "docker" "start" "-a" "2af6462ccf65b278b6c10ffb532162022ec091086833059004b652f4381bf407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2af6462ccf65b278b6c10ffb532162022ec091086833059004b652f4381bf407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af6462ccf65b278b6c10ffb532162022ec091086833059004b652f4381bf407", kill_on_drop: false }`
[INFO] [stdout] 2af6462ccf65b278b6c10ffb532162022ec091086833059004b652f4381bf407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71b01e171e44cba41ac84f8b9af4f5758ab093f9c92c42ab23e03f3221e861e0
[INFO] running `Command { std: "docker" "start" "-a" "71b01e171e44cba41ac84f8b9af4f5758ab093f9c92c42ab23e03f3221e861e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling pnet_base v0.27.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling pnet v0.27.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling pnet_sys v0.27.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling pnet_macros_support v0.27.2
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling dns-message-parser v0.4.6
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]    Compiling ipnetwork v0.17.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling pnet_datalink v0.27.2
[INFO] [stderr]    Compiling pnet_packet v0.27.2
[INFO] [stderr]    Compiling pnet_transport v0.27.2
[INFO] [stderr]    Compiling mdns-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Callback`
[INFO] [stdout]  --> src/tcp_server.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::{Callback, Metadata};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]   --> src/tcp_server.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::mpsc::{self, channel, Sender};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/drive_server.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::{ self, Metadata };
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]  --> src/drive_server.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{channel, Sender};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_hash`
[INFO] [stdout]    --> src/tcp_server.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn check_hash() {}
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.99s
[INFO] running `Command { std: "docker" "inspect" "71b01e171e44cba41ac84f8b9af4f5758ab093f9c92c42ab23e03f3221e861e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b01e171e44cba41ac84f8b9af4f5758ab093f9c92c42ab23e03f3221e861e0", kill_on_drop: false }`
[INFO] [stdout] 71b01e171e44cba41ac84f8b9af4f5758ab093f9c92c42ab23e03f3221e861e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c429f95c6baea2aa2256168d01333a8f26fade559f5ad0b940bb4e43b2d13598
[INFO] running `Command { std: "docker" "start" "-a" "c429f95c6baea2aa2256168d01333a8f26fade559f5ad0b940bb4e43b2d13598", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Callback`
[INFO] [stdout]  --> src/tcp_server.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::{Callback, Metadata};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]   --> src/tcp_server.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::mpsc::{self, channel, Sender};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/drive_server.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::{ self, Metadata };
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]  --> src/drive_server.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{channel, Sender};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_hash`
[INFO] [stdout]    --> src/tcp_server.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn check_hash() {}
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mdns-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Callback`
[INFO] [stdout]  --> src/tcp_server.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::types::{Callback, Metadata};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]   --> src/tcp_server.rs:12:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::mpsc::{self, channel, Sender};
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/drive_server.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::{ self, Metadata };
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `channel`
[INFO] [stdout]  --> src/drive_server.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{channel, Sender};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_hash`
[INFO] [stdout]    --> src/tcp_server.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn check_hash() {}
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "c429f95c6baea2aa2256168d01333a8f26fade559f5ad0b940bb4e43b2d13598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c429f95c6baea2aa2256168d01333a8f26fade559f5ad0b940bb4e43b2d13598", kill_on_drop: false }`
[INFO] [stdout] c429f95c6baea2aa2256168d01333a8f26fade559f5ad0b940bb4e43b2d13598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34bfd5322cbe7866faeb81e91576dc4dcebea7cc3940c20a03730c814262b021
[INFO] running `Command { std: "docker" "start" "-a" "34bfd5322cbe7866faeb81e91576dc4dcebea7cc3940c20a03730c814262b021", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Callback`
[INFO] [stderr]  --> src/tcp_server.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::types::{Callback, Metadata};
[INFO] [stderr]   |                    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `channel`
[INFO] [stderr]   --> src/tcp_server.rs:12:29
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::sync::mpsc::{self, channel, Sender};
[INFO] [stderr]    |                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/drive_server.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::types::{ self, Metadata };
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `channel`
[INFO] [stderr]  --> src/drive_server.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::mpsc::{channel, Sender};
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `check_hash`
[INFO] [stderr]    --> src/tcp_server.rs:167:8
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn check_hash() {}
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Callback`
[INFO] [stderr]  --> src/tcp_server.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::types::{Callback, Metadata};
[INFO] [stderr]   |                    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `channel`
[INFO] [stderr]   --> src/tcp_server.rs:12:29
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::sync::mpsc::{self, channel, Sender};
[INFO] [stderr]    |                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/drive_server.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::types::{ self, Metadata };
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `channel`
[INFO] [stderr]  --> src/drive_server.rs:4:23
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::mpsc::{channel, Sender};
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `check_hash`
[INFO] [stderr]    --> src/tcp_server.rs:167:8
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn check_hash() {}
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mdns_client-d882414c88945a3b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mdns-client
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34bfd5322cbe7866faeb81e91576dc4dcebea7cc3940c20a03730c814262b021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bfd5322cbe7866faeb81e91576dc4dcebea7cc3940c20a03730c814262b021", kill_on_drop: false }`
[INFO] [stdout] 34bfd5322cbe7866faeb81e91576dc4dcebea7cc3940c20a03730c814262b021
