[INFO] cloning repository https://github.com/4thel00z/etherdump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4thel00z/etherdump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4thel00z%2Fetherdump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4thel00z%2Fetherdump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42766eb7bb0ffd0c9e972c7b58f27cd77ddd16cf
[INFO] checking 4thel00z/etherdump against try#c05ee43175e02d208faed1fcc0f436c56e48bba6 for pr-92413
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4thel00z%2Fetherdump" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/4thel00z/etherdump on toolchain c05ee43175e02d208faed1fcc0f436c56e48bba6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/4thel00z/etherdump
[INFO] finished tweaking git repo https://github.com/4thel00z/etherdump
[INFO] tweaked toml for git repo https://github.com/4thel00z/etherdump written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/4thel00z/etherdump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet v0.22.0
[INFO] [stderr]   Downloaded pnet_transport v0.22.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.22.0
[INFO] [stderr]   Downloaded pnet_sys v0.22.0
[INFO] [stderr]   Downloaded pnet_datalink v0.22.0
[INFO] [stderr]   Downloaded pnet_macros v0.22.0
[INFO] [stderr]   Downloaded pnet_packet v0.22.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7aeb70b844b6d6ae9a4d1b165ac140de9093ea921830434a0ca6057ac075007
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f7aeb70b844b6d6ae9a4d1b165ac140de9093ea921830434a0ca6057ac075007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7aeb70b844b6d6ae9a4d1b165ac140de9093ea921830434a0ca6057ac075007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7aeb70b844b6d6ae9a4d1b165ac140de9093ea921830434a0ca6057ac075007", kill_on_drop: false }`
[INFO] [stdout] f7aeb70b844b6d6ae9a4d1b165ac140de9093ea921830434a0ca6057ac075007
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+c05ee43175e02d208faed1fcc0f436c56e48bba6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96c275a847443f8f2041c51194742cdd84530d0407c88144f471dadc0d661d19
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "96c275a847443f8f2041c51194742cdd84530d0407c88144f471dadc0d661d19", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]     Checking pnet_base v0.22.0
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]     Checking pnet_macros_support v0.22.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking pnet_sys v0.22.0
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking ipnetwork v0.14.0
[INFO] [stderr]     Checking pnet_datalink v0.22.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.22.0
[INFO] [stderr]    Compiling pnet_packet v0.22.0
[INFO] [stderr]     Checking pnet_transport v0.22.0
[INFO] [stderr]     Checking rawdump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: lifetime parameter `'a` never used
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn join<'a, T>(delimiter: char, iterator: &mut Iterator<Item=T>) -> String
[INFO] [stdout]    |         ^^--
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: elide the unused lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn join<'a, T>(delimiter: char, iterator: &mut Iterator<Item=T>) -> String
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 - fn join<'a, T>(delimiter: char, iterator: &mut Iterator<Item=T>) -> String
[INFO] [stdout] 10 + fn join<'a, T>(delimiter: char, iterator: &mut dyn Iterator<Item=T>) -> String
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut iterator: &mut Iterator<Item=&u8> = &mut self.0.iter();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 37 -         let mut iterator: &mut Iterator<Item=&u8> = &mut self.0.iter();
[INFO] [stdout] 37 +         let mut iterator: &mut dyn Iterator<Item=&u8> = &mut self.0.iter();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/main.rs:74:61
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Ok(_) => panic!("etherdump: unhandled channel type: {}"),
[INFO] [stdout]    |                                                             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Ok(_) => panic!("etherdump: unhandled channel type: {}", ...),
[INFO] [stdout]    |                                                                +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Ok(_) => panic!("{}", "etherdump: unhandled channel type: {}"),
[INFO] [stdout]    |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rawdump` due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: lifetime parameter `'a` never used
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn join<'a, T>(delimiter: char, iterator: &mut Iterator<Item=T>) -> String
[INFO] [stdout]    |         ^^--
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: elide the unused lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn join<'a, T>(delimiter: char, iterator: &mut Iterator<Item=T>) -> String
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 - fn join<'a, T>(delimiter: char, iterator: &mut Iterator<Item=T>) -> String
[INFO] [stdout] 10 + fn join<'a, T>(delimiter: char, iterator: &mut dyn Iterator<Item=T>) -> String
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut iterator: &mut Iterator<Item=&u8> = &mut self.0.iter();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 37 -         let mut iterator: &mut Iterator<Item=&u8> = &mut self.0.iter();
[INFO] [stdout] 37 +         let mut iterator: &mut dyn Iterator<Item=&u8> = &mut self.0.iter();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/main.rs:74:61
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Ok(_) => panic!("etherdump: unhandled channel type: {}"),
[INFO] [stdout]    |                                                             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Ok(_) => panic!("etherdump: unhandled channel type: {}", ...),
[INFO] [stdout]    |                                                                +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Ok(_) => panic!("{}", "etherdump: unhandled channel type: {}"),
[INFO] [stdout]    |                         +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "96c275a847443f8f2041c51194742cdd84530d0407c88144f471dadc0d661d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c275a847443f8f2041c51194742cdd84530d0407c88144f471dadc0d661d19", kill_on_drop: false }`
[INFO] [stdout] 96c275a847443f8f2041c51194742cdd84530d0407c88144f471dadc0d661d19