[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 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freisub0%2Ftftp" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reisub0/tftp on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-16/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: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7659c0b1876f2f0c632e73c1bafe8e71a19537c258e0ea0cf1d72d8b8d8ebaeb
[INFO] running `Command { std: "docker" "start" "-a" "7659c0b1876f2f0c632e73c1bafe8e71a19537c258e0ea0cf1d72d8b8d8ebaeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7659c0b1876f2f0c632e73c1bafe8e71a19537c258e0ea0cf1d72d8b8d8ebaeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7659c0b1876f2f0c632e73c1bafe8e71a19537c258e0ea0cf1d72d8b8d8ebaeb", kill_on_drop: false }`
[INFO] [stdout] 7659c0b1876f2f0c632e73c1bafe8e71a19537c258e0ea0cf1d72d8b8d8ebaeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79033dbb54916344c42df588bb739525f0961e3c22c7ce26eb653b41f7a7aa8c
[INFO] running `Command { std: "docker" "start" "-a" "79033dbb54916344c42df588bb739525f0961e3c22c7ce26eb653b41f7a7aa8c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking tftp-server v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (2 fixes)
[INFO] [stderr]        Fixed src/writer.rs (1 fix)
[INFO] [stderr]        Fixed src/reader.rs (1 fix)
[INFO] [stderr]        Fixed src/tftp.rs (1 fix)
[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: associated function is never used: `len`
[INFO] [stdout]   --> src/reader.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take_all`
[INFO] [stdout]   --> src/reader.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn take_all(&mut self) -> Result<&'a [u8]> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/tftp.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn read(buff: &mut reader::reader<'a>) -> Result<Self> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/writer.rs (1 fix)
[INFO] [stderr]        Fixed src/tftp.rs (1 fix)
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[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: associated function is never used: `len`
[INFO] [stdout]   --> src/reader.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take_all`
[INFO] [stdout]   --> src/reader.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn take_all(&mut self) -> Result<&'a [u8]> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/tftp.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn read(buff: &mut reader::reader<'a>) -> Result<Self> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.75s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking tftp-server v0.1.0 (/tmp/fixit)
[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: 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: associated function is never used: `len`
[INFO] [stdout]   --> src/reader.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take_all`
[INFO] [stdout]   --> src/reader.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn take_all(&mut self) -> Result<&'a [u8]> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/tftp.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn read(buff: &mut reader::reader<'a>) -> Result<Self> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/reader.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `take_all`
[INFO] [stdout]   --> src/reader.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn take_all(&mut self) -> Result<&'a [u8]> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/tftp.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn read(buff: &mut reader::reader<'a>) -> Result<Self> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "79033dbb54916344c42df588bb739525f0961e3c22c7ce26eb653b41f7a7aa8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79033dbb54916344c42df588bb739525f0961e3c22c7ce26eb653b41f7a7aa8c", kill_on_drop: false }`
[INFO] [stdout] 79033dbb54916344c42df588bb739525f0961e3c22c7ce26eb653b41f7a7aa8c