[INFO] updating cached repository FelixMcFelix/opus-voip-traffic
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FelixMcFelix/opus-voip-traffic
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FelixMcFelix/opus-voip-traffic" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/FelixMcFelix/opus-voip-traffic"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/FelixMcFelix/opus-voip-traffic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FelixMcFelix/opus-voip-traffic" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/FelixMcFelix/opus-voip-traffic"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/FelixMcFelix/opus-voip-traffic'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2bc14d227682b39f93d223f36aa5e0ffbb624a3
[INFO] sha for GitHub repo FelixMcFelix/opus-voip-traffic: d2bc14d227682b39f93d223f36aa5e0ffbb624a3
[INFO] validating manifest of FelixMcFelix/opus-voip-traffic on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FelixMcFelix/opus-voip-traffic on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing FelixMcFelix/opus-voip-traffic
[INFO] finished frobbing FelixMcFelix/opus-voip-traffic
[INFO] frobbed toml for FelixMcFelix/opus-voip-traffic written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/FelixMcFelix/opus-voip-traffic/Cargo.toml
[INFO] started frobbing FelixMcFelix/opus-voip-traffic
[INFO] finished frobbing FelixMcFelix/opus-voip-traffic
[INFO] frobbed toml for FelixMcFelix/opus-voip-traffic written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/FelixMcFelix/opus-voip-traffic/Cargo.toml
[INFO] crate FelixMcFelix/opus-voip-traffic already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking FelixMcFelix/opus-voip-traffic against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/FelixMcFelix/opus-voip-traffic:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2fc9348862cf70946e362f0834bab0459296af3edfcb062de8a06a4aa2d71134
[INFO] running `"docker" "start" "-a" "2fc9348862cf70946e362f0834bab0459296af3edfcb062de8a06a4aa2d71134"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]     Checking ewma v0.1.1
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]     Checking pnet_sys v0.22.0
[INFO] [stderr]     Checking speedy v0.4.2
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking pnet_macros_support v0.22.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling speedy-derive v0.3.6
[INFO] [stderr]     Checking serde v1.0.90
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.22.0
[INFO] [stderr]     Checking ipnetwork v0.14.0
[INFO] [stderr]     Checking bincode v1.1.3
[INFO] [stderr]    Compiling pnet_packet v0.22.0
[INFO] [stderr]     Checking pnet_datalink v0.22.0
[INFO] [stderr]     Checking pnet_transport v0.22.0
[INFO] [stderr]     Checking opus-voip-traffic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `get_path`
[INFO] [stderr]   --> src/trace/mod.rs:73:2
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn get_path(&self, i: usize) -> Option<&PathBuf> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `largest_packet`
[INFO] [stderr]    --> src/trace/mod.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | pub fn largest_packet(trace: &[PacketChainLink]) -> Option<u16> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 |             stdin.read_line(&mut s);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:113:4
[INFO] [stderr]     |
[INFO] [stderr] 113 |             kill_tx.send(());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_path`
[INFO] [stderr]   --> src/trace/mod.rs:73:2
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn get_path(&self, i: usize) -> Option<&PathBuf> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `largest_packet`
[INFO] [stderr]    --> src/trace/mod.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | pub fn largest_packet(trace: &[PacketChainLink]) -> Option<u16> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 |             stdin.read_line(&mut s);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:113:4
[INFO] [stderr]     |
[INFO] [stderr] 113 |             kill_tx.send(());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.54s
[INFO] running `"docker" "inspect" "2fc9348862cf70946e362f0834bab0459296af3edfcb062de8a06a4aa2d71134"`
[INFO] running `"docker" "rm" "-f" "2fc9348862cf70946e362f0834bab0459296af3edfcb062de8a06a4aa2d71134"`
[INFO] [stdout] 2fc9348862cf70946e362f0834bab0459296af3edfcb062de8a06a4aa2d71134