[INFO] cloning repository https://github.com/vincentg/tokio_tftpserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vincentg/tokio_tftpserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincentg%2Ftokio_tftpserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincentg%2Ftokio_tftpserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c14cf1084667fe13af5bff5290ea51e96e3af9a3
[INFO] checking vincentg/tokio_tftpserver against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincentg%2Ftokio_tftpserver" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vincentg/tokio_tftpserver on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vincentg/tokio_tftpserver
[INFO] finished tweaking git repo https://github.com/vincentg/tokio_tftpserver
[INFO] tweaked toml for git repo https://github.com/vincentg/tokio_tftpserver written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/vincentg/tokio_tftpserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ef1b65b590e77d388604829c3d79ad5f96c41fd711a05b03507162bcdb08984
[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" "9ef1b65b590e77d388604829c3d79ad5f96c41fd711a05b03507162bcdb08984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ef1b65b590e77d388604829c3d79ad5f96c41fd711a05b03507162bcdb08984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef1b65b590e77d388604829c3d79ad5f96c41fd711a05b03507162bcdb08984", kill_on_drop: false }`
[INFO] [stdout] 9ef1b65b590e77d388604829c3d79ad5f96c41fd711a05b03507162bcdb08984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6fdbe06fa7f2fb8c2dec8de28b5ea6b76125ed0a72504361a31fd3994f5d3608
[INFO] running `Command { std: "docker" "start" "-a" "6fdbe06fa7f2fb8c2dec8de28b5ea6b76125ed0a72504361a31fd3994f5d3608", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking privdrop v0.5.0
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking tokio_tftpserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/tftp.rs:74:45
[INFO] [stdout]    |
[INFO] [stdout] 74 |    pub fn getReplyCommand(command: Command, filename:Option<String>) -> Option<Command> {
[INFO] [stdout]    |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/tftp.rs:116:28
[INFO] [stdout]     |
[INFO] [stdout] 116 |    pub fn recv(buf: &[u8], size: usize) -> Command {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tftp.rs:93:11
[INFO] [stdout]    |
[INFO] [stdout] 93 |       let mut writer = vec![0;516];
[INFO] [stdout]    |           ----^^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ACK`
[INFO] [stdout]   --> src/tftp.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 |       ACK  {blocknum : u16},
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]   --> src/tftp.rs:74:45
[INFO] [stdout]    |
[INFO] [stdout] 74 |    pub fn getReplyCommand(command: Command, filename:Option<String>) -> Option<Command> {
[INFO] [stdout]    |                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `TFTPProtocol` should have a snake case name
[INFO] [stdout]  --> src/tftp.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod TFTPProtocol {
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `tftpprotocol`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getReplyCommand` should have a snake case name
[INFO] [stdout]   --> src/tftp.rs:74:11
[INFO] [stdout]    |
[INFO] [stdout] 74 |    pub fn getReplyCommand(command: Command, filename:Option<String>) -> Option<Command> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `get_reply_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PrepareData` should have a snake case name
[INFO] [stdout]   --> src/tftp.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 |    fn PrepareData(filename :String, blocknum: u16, mode: String) -> Command {
[INFO] [stdout]    |       ^^^^^^^^^^^ help: convert the identifier to snake case: `prepare_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cursorWriter` should have a snake case name
[INFO] [stdout]   --> src/tftp.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |       let mut cursorWriter = Cursor::new(writer);
[INFO] [stdout]    |               ^^^^^^^^^^^^ help: convert the identifier to snake case: `cursor_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getBufferForCommand` should have a snake case name
[INFO] [stdout]    --> src/tftp.rs:107:11
[INFO] [stdout]     |
[INFO] [stdout] 107 |    pub fn getBufferForCommand(command: Command) -> Option<Vec<u8>> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `get_buffer_for_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/tftp.rs:116:28
[INFO] [stdout]     |
[INFO] [stdout] 116 |    pub fn recv(buf: &[u8], size: usize) -> Command {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tftp.rs:93:11
[INFO] [stdout]    |
[INFO] [stdout] 93 |       let mut writer = vec![0;516];
[INFO] [stdout]    |           ----^^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ACK`
[INFO] [stdout]   --> src/tftp.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 |       ACK  {blocknum : u16},
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `TFTPProtocol` should have a snake case name
[INFO] [stdout]  --> src/tftp.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod TFTPProtocol {
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `tftpprotocol`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getReplyCommand` should have a snake case name
[INFO] [stdout]   --> src/tftp.rs:74:11
[INFO] [stdout]    |
[INFO] [stdout] 74 |    pub fn getReplyCommand(command: Command, filename:Option<String>) -> Option<Command> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `get_reply_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `PrepareData` should have a snake case name
[INFO] [stdout]   --> src/tftp.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 |    fn PrepareData(filename :String, blocknum: u16, mode: String) -> Command {
[INFO] [stdout]    |       ^^^^^^^^^^^ help: convert the identifier to snake case: `prepare_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `cursorWriter` should have a snake case name
[INFO] [stdout]   --> src/tftp.rs:94:15
[INFO] [stdout]    |
[INFO] [stdout] 94 |       let mut cursorWriter = Cursor::new(writer);
[INFO] [stdout]    |               ^^^^^^^^^^^^ help: convert the identifier to snake case: `cursor_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getBufferForCommand` should have a snake case name
[INFO] [stdout]    --> src/tftp.rs:107:11
[INFO] [stdout]     |
[INFO] [stdout] 107 |    pub fn getBufferForCommand(command: Command) -> Option<Vec<u8>> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `get_buffer_for_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.05s
[INFO] running `Command { std: "docker" "inspect" "6fdbe06fa7f2fb8c2dec8de28b5ea6b76125ed0a72504361a31fd3994f5d3608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fdbe06fa7f2fb8c2dec8de28b5ea6b76125ed0a72504361a31fd3994f5d3608", kill_on_drop: false }`
[INFO] [stdout] 6fdbe06fa7f2fb8c2dec8de28b5ea6b76125ed0a72504361a31fd3994f5d3608