[INFO] cloning repository https://github.com/tnctinfossl/glcommand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tnctinfossl/glcommand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnctinfossl%2Fglcommand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnctinfossl%2Fglcommand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e75b94337478d84dd06efe3ce87add79d64679cb
[INFO] checking tnctinfossl/glcommand against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnctinfossl%2Fglcommand" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tnctinfossl/glcommand on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tnctinfossl/glcommand
[INFO] finished tweaking git repo https://github.com/tnctinfossl/glcommand
[INFO] tweaked toml for git repo https://github.com/tnctinfossl/glcommand written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tnctinfossl/glcommand already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffe33bfdf7c4e9c341b0b72d233932ebe9566a57e07ac715f134552431f24331
[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" "ffe33bfdf7c4e9c341b0b72d233932ebe9566a57e07ac715f134552431f24331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffe33bfdf7c4e9c341b0b72d233932ebe9566a57e07ac715f134552431f24331", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe33bfdf7c4e9c341b0b72d233932ebe9566a57e07ac715f134552431f24331", kill_on_drop: false }`
[INFO] [stdout] ffe33bfdf7c4e9c341b0b72d233932ebe9566a57e07ac715f134552431f24331
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d53483ecb2761321fb2dbbff05bed94e1f22a1de9eb0efee839ff29b4b576f2c
[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" "d53483ecb2761321fb2dbbff05bed94e1f22a1de9eb0efee839ff29b4b576f2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking glcommand v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/commands.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpListener,TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `Result`
[INFO] [stdout]  --> src/commands.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Write,Result,Error};
[INFO] [stdout]   |                     ^^^^^^ ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/commands.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpListener,TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `Result`
[INFO] [stdout]  --> src/commands.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Write,Result,Error};
[INFO] [stdout]   |                     ^^^^^^ ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]   --> src/commands.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]   --> src/commands.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `Send`
[INFO] [stdout]   --> src/commands.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn Send(&self,url:&str){
[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: `Receive`
[INFO] [stdout]   --> src/commands.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `Send`
[INFO] [stdout]   --> src/commands.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn Send(&self,url:&str){
[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: `Receive`
[INFO] [stdout]   --> src/commands.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/commands.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Send` should have a snake case name
[INFO] [stdout]   --> src/commands.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn Send(&self,url:&str){
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Receive` should have a snake case name
[INFO] [stdout]   --> src/commands.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `receive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/commands.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Send` should have a snake case name
[INFO] [stdout]   --> src/commands.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn Send(&self,url:&str){
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Receive` should have a snake case name
[INFO] [stdout]   --> src/commands.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `receive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/commands.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpListener,TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `Result`
[INFO] [stdout]  --> src/commands.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Write,Result,Error};
[INFO] [stdout]   |                     ^^^^^^ ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpListener`
[INFO] [stdout]  --> src/commands.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::net::{TcpListener,TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `Result`
[INFO] [stdout]  --> src/commands.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Write,Result,Error};
[INFO] [stdout]   |                     ^^^^^^ ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]   --> src/commands.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `url`
[INFO] [stdout]   --> src/commands.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `Send`
[INFO] [stdout]   --> src/commands.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn Send(&self,url:&str){
[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: `Receive`
[INFO] [stdout]   --> src/commands.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/commands.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Send` should have a snake case name
[INFO] [stdout]   --> src/commands.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn Send(&self,url:&str){
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Receive` should have a snake case name
[INFO] [stdout]   --> src/commands.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `receive`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `Send`
[INFO] [stdout]   --> src/commands.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn Send(&self,url:&str){
[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: `Receive`
[INFO] [stdout]   --> src/commands.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]  --> src/commands.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Send` should have a snake case name
[INFO] [stdout]   --> src/commands.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn Send(&self,url:&str){
[INFO] [stdout]    |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `Receive` should have a snake case name
[INFO] [stdout]   --> src/commands.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `receive`
[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 15.05s
[INFO] running `Command { std: "docker" "inspect" "d53483ecb2761321fb2dbbff05bed94e1f22a1de9eb0efee839ff29b4b576f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53483ecb2761321fb2dbbff05bed94e1f22a1de9eb0efee839ff29b4b576f2c", kill_on_drop: false }`
[INFO] [stdout] d53483ecb2761321fb2dbbff05bed94e1f22a1de9eb0efee839ff29b4b576f2c