[INFO] cloning repository https://github.com/smartkrio/rtp2wav
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smartkrio/rtp2wav" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmartkrio%2Frtp2wav", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmartkrio%2Frtp2wav'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00e8eddfc06c9f97ccfbae750dfbe0359d575d3a
[INFO] checking smartkrio/rtp2wav against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmartkrio%2Frtp2wav" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smartkrio/rtp2wav on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/smartkrio/rtp2wav
[INFO] finished tweaking git repo https://github.com/smartkrio/rtp2wav
[INFO] tweaked toml for git repo https://github.com/smartkrio/rtp2wav written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/smartkrio/rtp2wav 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/rust-av/opus-rs.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.8
[INFO] [stderr]   Downloaded time-macros-impl v0.1.0
[INFO] [stderr]   Downloaded riff v0.1.1
[INFO] [stderr]   Downloaded proc-macro-error v0.4.8
[INFO] [stderr]   Downloaded structopt-derive v0.4.2
[INFO] [stderr]   Downloaded av-bitstream v0.1.0
[INFO] [stderr]   Downloaded time v0.2.6
[INFO] [stderr]   Downloaded err-derive v0.1.6
[INFO] [stderr]   Downloaded bindgen v0.53.1
[INFO] [stderr]   Downloaded num-derive v0.3.0
[INFO] [stderr]   Downloaded av-data v0.2.0
[INFO] [stderr]   Downloaded rtp-rs v0.5.0
[INFO] [stderr]   Downloaded av-codec v0.2.0
[INFO] [stderr]   Downloaded structopt v0.3.9
[INFO] [stderr]   Downloaded wav v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c3c85aac413924059327d5cce377eec1ea84da8ee3267977931e06e575c8ceb
[INFO] running `Command { std: "docker" "start" "-a" "1c3c85aac413924059327d5cce377eec1ea84da8ee3267977931e06e575c8ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c3c85aac413924059327d5cce377eec1ea84da8ee3267977931e06e575c8ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3c85aac413924059327d5cce377eec1ea84da8ee3267977931e06e575c8ceb", kill_on_drop: false }`
[INFO] [stdout] 1c3c85aac413924059327d5cce377eec1ea84da8ee3267977931e06e575c8ceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecedc7920b29f00784f7ca6c1d3117aa670b2be9bc639125c1ca26ee96c2b322
[INFO] running `Command { std: "docker" "start" "-a" "ecedc7920b29f00784f7ca6c1d3117aa670b2be9bc639125c1ca26ee96c2b322", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v0.7.7
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.53.1
[INFO] [stderr]    Compiling err-derive v0.1.6
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking riff v0.1.1
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking rtp-rs v0.5.0
[INFO] [stderr]     Checking wav v0.1.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking av-bitstream v0.1.0
[INFO] [stderr]     Checking av-data v0.2.0
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.6
[INFO] [stderr]     Checking av-codec v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]    Compiling opus-sys v0.1.0 (https://github.com/rust-av/opus-rs.git#b653c8b9)
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking libopus v0.1.0 (https://github.com/rust-av/opus-rs.git#b653c8b9)
[INFO] [stderr]     Checking rtp2wav v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: warn(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]  --> src/server.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![warn(rust_2018_idioms)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `wav` is imported redundantly
[INFO] [stdout]  --> src/server.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use wav;
[INFO] [stdout]   |     ^^^ the item `wav` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: warn(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]  --> src/server.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![warn(rust_2018_idioms)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `wav` is imported redundantly
[INFO] [stdout]  --> src/server.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use wav;
[INFO] [stdout]   |     ^^^ the item `wav` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seconds` is never read
[INFO] [stdout]   --> src/server.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct DecodingOpts {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     seconds: i32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DecodingOpts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seconds` is never read
[INFO] [stdout]   --> src/server.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct DecodingOpts {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     seconds: i32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DecodingOpts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "ecedc7920b29f00784f7ca6c1d3117aa670b2be9bc639125c1ca26ee96c2b322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecedc7920b29f00784f7ca6c1d3117aa670b2be9bc639125c1ca26ee96c2b322", kill_on_drop: false }`
[INFO] [stdout] ecedc7920b29f00784f7ca6c1d3117aa670b2be9bc639125c1ca26ee96c2b322