[INFO] fetching crate rtp-rs 0.6.0...
[INFO] building rtp-rs-0.6.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rtp-rs 0.6.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate rtp-rs 0.6.0
[INFO] finished tweaking crates.io crate rtp-rs 0.6.0
[INFO] tweaked toml for crates.io crate rtp-rs 0.6.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rtp-rs 0.6.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c5686755585bc169301d48c164c590840d7daf5d3d16fd5884f58219c4e7c35
[INFO] running `Command { std: "docker" "start" "-a" "4c5686755585bc169301d48c164c590840d7daf5d3d16fd5884f58219c4e7c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c5686755585bc169301d48c164c590840d7daf5d3d16fd5884f58219c4e7c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5686755585bc169301d48c164c590840d7daf5d3d16fd5884f58219c4e7c35", kill_on_drop: false }`
[INFO] [stdout] 4c5686755585bc169301d48c164c590840d7daf5d3d16fd5884f58219c4e7c35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36cfac8d7ddc71c16cc682297023b6155e725fc25ade310c408270a03d58eb78
[INFO] running `Command { std: "docker" "start" "-a" "36cfac8d7ddc71c16cc682297023b6155e725fc25ade310c408270a03d58eb78", kill_on_drop: false }`
[INFO] [stderr]    Compiling rtp-rs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/reader.rs:43:49
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(b: &'a [u8]) -> Result<RtpReader<'_>, RtpReaderError> {
[INFO] [stdout]    |                    --                           ^^ the same lifetime is elided here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     pub fn new(b: &'a [u8]) -> Result<RtpReader<'_>, RtpReaderError> {
[INFO] [stdout] 43 +     pub fn new(b: &'a [u8]) -> Result<RtpReader<'a>, RtpReaderError> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "36cfac8d7ddc71c16cc682297023b6155e725fc25ade310c408270a03d58eb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36cfac8d7ddc71c16cc682297023b6155e725fc25ade310c408270a03d58eb78", kill_on_drop: false }`
[INFO] [stdout] 36cfac8d7ddc71c16cc682297023b6155e725fc25ade310c408270a03d58eb78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05e469ee332156a32ff9303b74abeeb1998ed18f5faf5547cbcf98b678e375d0
[INFO] running `Command { std: "docker" "start" "-a" "05e469ee332156a32ff9303b74abeeb1998ed18f5faf5547cbcf98b678e375d0", kill_on_drop: false }`
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/reader.rs:43:49
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(b: &'a [u8]) -> Result<RtpReader<'_>, RtpReaderError> {
[INFO] [stdout]    |                    --                           ^^ the same lifetime is elided here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     pub fn new(b: &'a [u8]) -> Result<RtpReader<'_>, RtpReaderError> {
[INFO] [stdout] 43 +     pub fn new(b: &'a [u8]) -> Result<RtpReader<'a>, RtpReaderError> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rtp-rs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/reader.rs:43:49
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(b: &'a [u8]) -> Result<RtpReader<'_>, RtpReaderError> {
[INFO] [stdout]    |                    --                           ^^ the same lifetime is elided here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     pub fn new(b: &'a [u8]) -> Result<RtpReader<'_>, RtpReaderError> {
[INFO] [stdout] 43 +     pub fn new(b: &'a [u8]) -> Result<RtpReader<'a>, RtpReaderError> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `must_use` that must be used
[INFO] [stdout]    --> src/reader.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |         format!("{:?}", reader);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 351 |         let _ = format!("{:?}", reader);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "05e469ee332156a32ff9303b74abeeb1998ed18f5faf5547cbcf98b678e375d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05e469ee332156a32ff9303b74abeeb1998ed18f5faf5547cbcf98b678e375d0", kill_on_drop: false }`
[INFO] [stdout] 05e469ee332156a32ff9303b74abeeb1998ed18f5faf5547cbcf98b678e375d0