[INFO] fetching crate stun_codec 0.4.0...
[INFO] building stun_codec-0.4.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate stun_codec 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate stun_codec 0.4.0
[INFO] finished tweaking crates.io crate stun_codec 0.4.0
[INFO] tweaked toml for crates.io crate stun_codec 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stun_codec 0.4.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stun_codec 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f48d4b68e1d131cce771bc3bbe16d8297f13d462fb8389bb7bf78381bf9d4b15
[INFO] running `Command { std: "docker" "start" "-a" "f48d4b68e1d131cce771bc3bbe16d8297f13d462fb8389bb7bf78381bf9d4b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f48d4b68e1d131cce771bc3bbe16d8297f13d462fb8389bb7bf78381bf9d4b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48d4b68e1d131cce771bc3bbe16d8297f13d462fb8389bb7bf78381bf9d4b15", kill_on_drop: false }`
[INFO] [stdout] f48d4b68e1d131cce771bc3bbe16d8297f13d462fb8389bb7bf78381bf9d4b15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a717eb6c32608ddffb51919ea678842e32ca6e133a90c04f852095fc77f1cec9
[INFO] running `Command { std: "docker" "start" "-a" "a717eb6c32608ddffb51919ea678842e32ca6e133a90c04f852095fc77f1cec9", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling trackable v1.3.0
[INFO] [stderr]    Compiling bytecodec v0.5.0
[INFO] [stderr]    Compiling stun_codec v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `MyAttribute` is never used
[INFO] [stdout]   --> src/attribute.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum MyAttribute {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyAttributeDecoder` is never constructed
[INFO] [stdout]   --> src/attribute.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct MyAttributeDecoder {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyAttributeEncoder` is never constructed
[INFO] [stdout]   --> src/attribute.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct MyAttributeEncoder {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "a717eb6c32608ddffb51919ea678842e32ca6e133a90c04f852095fc77f1cec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a717eb6c32608ddffb51919ea678842e32ca6e133a90c04f852095fc77f1cec9", kill_on_drop: false }`
[INFO] [stdout] a717eb6c32608ddffb51919ea678842e32ca6e133a90c04f852095fc77f1cec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a50f26fcaff704bc66a1d4e57e06621ffaf2f550b6d6b9c9482d3c076ef9f9ac
[INFO] running `Command { std: "docker" "start" "-a" "a50f26fcaff704bc66a1d4e57e06621ffaf2f550b6d6b9c9482d3c076ef9f9ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling stun_codec v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `MyAttribute` is never used
[INFO] [stdout]   --> src/attribute.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum MyAttribute {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyAttributeDecoder` is never constructed
[INFO] [stdout]   --> src/attribute.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct MyAttributeDecoder {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyAttributeEncoder` is never constructed
[INFO] [stdout]   --> src/attribute.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct MyAttributeEncoder {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyAttribute` is never used
[INFO] [stdout]   --> src/attribute.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum MyAttribute {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyAttributeDecoder` is never constructed
[INFO] [stdout]   --> src/attribute.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct MyAttributeDecoder {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyAttributeEncoder` is never constructed
[INFO] [stdout]   --> src/attribute.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct MyAttributeEncoder {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "a50f26fcaff704bc66a1d4e57e06621ffaf2f550b6d6b9c9482d3c076ef9f9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50f26fcaff704bc66a1d4e57e06621ffaf2f550b6d6b9c9482d3c076ef9f9ac", kill_on_drop: false }`
[INFO] [stdout] a50f26fcaff704bc66a1d4e57e06621ffaf2f550b6d6b9c9482d3c076ef9f9ac