[INFO] fetching crate stun_codec_blazh 0.1.13...
[INFO] checking stun_codec_blazh-0.1.13 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate stun_codec_blazh 0.1.13 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate stun_codec_blazh 0.1.13 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stun_codec_blazh 0.1.13
[INFO] finished tweaking crates.io crate stun_codec_blazh 0.1.13
[INFO] tweaked toml for crates.io crate stun_codec_blazh 0.1.13 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding crc v1.8.1 (latest: v3.2.1)
[INFO] [stderr]       Adding hmac-sha1 v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding sha1 v0.2.0 (latest: v0.10.6)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding trackable v0.2.24 (latest: v1.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha1 v0.2.0
[INFO] [stderr]   Downloaded hmac-sha1 v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e919e13808d879e252b07b48e95353280e121a6e94dad30fe4bba0b61f3d3106
[INFO] running `Command { std: "docker" "start" "-a" "e919e13808d879e252b07b48e95353280e121a6e94dad30fe4bba0b61f3d3106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e919e13808d879e252b07b48e95353280e121a6e94dad30fe4bba0b61f3d3106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e919e13808d879e252b07b48e95353280e121a6e94dad30fe4bba0b61f3d3106", kill_on_drop: false }`
[INFO] [stdout] e919e13808d879e252b07b48e95353280e121a6e94dad30fe4bba0b61f3d3106
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 372f540b3956dfe001ad4885a176b3ef7e694998222c492cd50e2ea19aa9cf0b
[INFO] running `Command { std: "docker" "start" "-a" "372f540b3956dfe001ad4885a176b3ef7e694998222c492cd50e2ea19aa9cf0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking hmac-sha1 v0.1.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking trackable v1.3.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking bytecodec v0.4.15
[INFO] [stderr]     Checking stun_codec_blazh v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/macros.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |                   if let $attr::$variant(a) = self {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/rfc3489/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / define_attribute_enums!(
[INFO] [stdout] 9  | |     Attribute,
[INFO] [stdout] 10 | |     AttributeDecoder,
[INFO] [stdout] 11 | |     AttributeEncoder,
[INFO] [stdout] 12 | |     [ChangedAddress]
[INFO] [stdout] 13 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `define_attribute_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]   --> src/macros.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |                   if let $attr::$variant(a) = self {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/rfc3489/mod.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / define_attribute_enums!(
[INFO] [stdout] 9  | |     Attribute,
[INFO] [stdout] 10 | |     AttributeDecoder,
[INFO] [stdout] 11 | |     AttributeEncoder,
[INFO] [stdout] 12 | |     [ChangedAddress]
[INFO] [stdout] 13 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]    = help: consider replacing the `if let` with a `let`
[INFO] [stdout]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `define_attribute_enums` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]   --> src/rfc3489/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub mod attributes;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.72s
[INFO] running `Command { std: "docker" "inspect" "372f540b3956dfe001ad4885a176b3ef7e694998222c492cd50e2ea19aa9cf0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372f540b3956dfe001ad4885a176b3ef7e694998222c492cd50e2ea19aa9cf0b", kill_on_drop: false }`
[INFO] [stdout] 372f540b3956dfe001ad4885a176b3ef7e694998222c492cd50e2ea19aa9cf0b