[INFO] cloning repository https://github.com/reisub0/tftp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/reisub0/tftp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freisub0%2Ftftp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freisub0%2Ftftp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c591390f05e5ba77f27c9291c478ce5fcacce79
[INFO] checking reisub0/tftp/7c591390f05e5ba77f27c9291c478ce5fcacce79 against master#83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5 for pr-128425
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freisub0%2Ftftp" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reisub0/tftp on toolchain 83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/reisub0/tftp
[INFO] finished tweaking git repo https://github.com/reisub0/tftp
[INFO] tweaked toml for git repo https://github.com/reisub0/tftp written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/reisub0/tftp 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" "+83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3950c2d761f72e23f283ead61e863536d2907d27db2a55e335d186dc8893830
[INFO] running `Command { std: "docker" "start" "-a" "e3950c2d761f72e23f283ead61e863536d2907d27db2a55e335d186dc8893830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3950c2d761f72e23f283ead61e863536d2907d27db2a55e335d186dc8893830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3950c2d761f72e23f283ead61e863536d2907d27db2a55e335d186dc8893830", kill_on_drop: false }`
[INFO] [stdout] e3950c2d761f72e23f283ead61e863536d2907d27db2a55e335d186dc8893830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c0c815419cedfb2266707139ed71be57c05820b505f991a898023b77faec60a
[INFO] running `Command { std: "docker" "start" "-a" "8c0c815419cedfb2266707139ed71be57c05820b505f991a898023b77faec60a", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking tftp-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `reader` should have an upper camel case name
[INFO] [stdout]   --> src/reader.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct reader<'a> {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper camel case: `Reader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `writer` should have an upper camel case name
[INFO] [stdout]   --> src/writer.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct writer<'a> {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `reader` should have an upper camel case name
[INFO] [stdout]   --> src/reader.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct reader<'a> {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper camel case: `Reader`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/tftp.rs:301:9
[INFO] [stdout]     |
[INFO] [stdout] 301 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `writer` should have an upper camel case name
[INFO] [stdout]   --> src/writer.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct writer<'a> {
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/writer.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/main.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reader.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn cause(&self) -> Option<&error::Error> {
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reader.rs:37:32
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn cause(&self) -> Option<&error::Error> {
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tftp.rs:272:32
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn cause(&self) -> Option<&error::Error> {
[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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tftp.rs:272:32
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn cause(&self) -> Option<&error::Error> {
[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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/writer.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn cause(&self) -> Option<&std::error::Error> {
[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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/writer.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn cause(&self) -> Option<&std::error::Error> {
[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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn handle(addr: SocketAddr, src: SocketAddr, packet: tftp::Packet) -> Option<tftp::Packet> {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/main.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn handle(addr: SocketAddr, src: SocketAddr, packet: tftp::Packet) -> Option<tftp::Packet> {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read` is never used
[INFO] [stdout]    --> src/tftp.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | impl<'a> Data<'a> {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] 166 |     fn read(buff: &mut reader::reader<'a>) -> Result<Self> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/main.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn handle(addr: SocketAddr, src: SocketAddr, packet: tftp::Packet) -> Option<tftp::Packet> {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/main.rs:37:33
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn handle(addr: SocketAddr, src: SocketAddr, packet: tftp::Packet) -> Option<tftp::Packet> {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read` is never used
[INFO] [stdout]    --> src/tftp.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | impl<'a> Data<'a> {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] 166 |     fn read(buff: &mut reader::reader<'a>) -> Result<Self> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "8c0c815419cedfb2266707139ed71be57c05820b505f991a898023b77faec60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0c815419cedfb2266707139ed71be57c05820b505f991a898023b77faec60a", kill_on_drop: false }`
[INFO] [stdout] 8c0c815419cedfb2266707139ed71be57c05820b505f991a898023b77faec60a