[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] testing tnctinfossl/glcommand against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftnctinfossl%2Fglcommand" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tnctinfossl/glcommand on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52bcefc597d2fff6c74c561a338850e3b167c5dd8f1a9bc04be7c49f4736878a
[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" "52bcefc597d2fff6c74c561a338850e3b167c5dd8f1a9bc04be7c49f4736878a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52bcefc597d2fff6c74c561a338850e3b167c5dd8f1a9bc04be7c49f4736878a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52bcefc597d2fff6c74c561a338850e3b167c5dd8f1a9bc04be7c49f4736878a", kill_on_drop: false }`
[INFO] [stdout] 52bcefc597d2fff6c74c561a338850e3b167c5dd8f1a9bc04be7c49f4736878a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55a425d22a6d78d652ad9cc9ad343fb0e57700dac5e29a525f5a203779ec65e4
[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" "55a425d22a6d78d652ad9cc9ad343fb0e57700dac5e29a525f5a203779ec65e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling 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 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: unused attribute
[INFO] [stdout]  --> src/commands.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[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: 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: 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: unused attribute
[INFO] [stdout]  --> src/commands.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.52s
[INFO] running `Command { std: "docker" "inspect" "55a425d22a6d78d652ad9cc9ad343fb0e57700dac5e29a525f5a203779ec65e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a425d22a6d78d652ad9cc9ad343fb0e57700dac5e29a525f5a203779ec65e4", kill_on_drop: false }`
[INFO] [stdout] 55a425d22a6d78d652ad9cc9ad343fb0e57700dac5e29a525f5a203779ec65e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbc45d2db37145137f5044ba9d57bb3615dd6ce5e6734da00836847c729d6247
[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" "bbc45d2db37145137f5044ba9d57bb3615dd6ce5e6734da00836847c729d6247", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 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: unused attribute
[INFO] [stdout]  --> src/commands.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[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: 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 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: unused attribute
[INFO] [stdout]  --> src/commands.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[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: unused attribute
[INFO] [stdout]  --> src/commands.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[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: 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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "bbc45d2db37145137f5044ba9d57bb3615dd6ce5e6734da00836847c729d6247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc45d2db37145137f5044ba9d57bb3615dd6ce5e6734da00836847c729d6247", kill_on_drop: false }`
[INFO] [stdout] bbc45d2db37145137f5044ba9d57bb3615dd6ce5e6734da00836847c729d6247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4cd74806402847431e774aa1309b75a7c378a3bd56225e2d2a530f923e0aad27
[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" "4cd74806402847431e774aa1309b75a7c378a3bd56225e2d2a530f923e0aad27", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/commands.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{TcpListener,TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `Result`
[INFO] [stderr]  --> src/commands.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Write,Result,Error};
[INFO] [stderr]   |                     ^^^^^^ ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `url`
[INFO] [stderr]   --> src/commands.rs:65:16
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stderr]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `Send`
[INFO] [stderr]   --> src/commands.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn Send(&self,url:&str){
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `Receive`
[INFO] [stderr]   --> src/commands.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/commands.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/commands.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `Send` should have a snake case name
[INFO] [stderr]   --> src/commands.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn Send(&self,url:&str){
[INFO] [stderr]    |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `Receive` should have a snake case name
[INFO] [stderr]   --> src/commands.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stderr]    |        ^^^^^^^ help: convert the identifier to snake case: `receive`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/commands.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{TcpListener,TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `Result`
[INFO] [stderr]  --> src/commands.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Write,Result,Error};
[INFO] [stderr]   |                     ^^^^^^ ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `url`
[INFO] [stderr]   --> src/commands.rs:65:16
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stderr]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `Send`
[INFO] [stderr]   --> src/commands.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn Send(&self,url:&str){
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `Receive`
[INFO] [stderr]   --> src/commands.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/commands.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/commands.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `Send` should have a snake case name
[INFO] [stderr]   --> src/commands.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn Send(&self,url:&str){
[INFO] [stderr]    |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `Receive` should have a snake case name
[INFO] [stderr]   --> src/commands.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stderr]    |        ^^^^^^^ help: convert the identifier to snake case: `receive`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/commands.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::{TcpListener,TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `Result`
[INFO] [stderr]  --> src/commands.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Write,Result,Error};
[INFO] [stderr]   |                     ^^^^^^ ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde_json;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `url`
[INFO] [stderr]   --> src/commands.rs:65:16
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stderr]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_url`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `Send`
[INFO] [stderr]   --> src/commands.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn Send(&self,url:&str){
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `Receive`
[INFO] [stderr]   --> src/commands.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/commands.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/commands.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `Send` should have a snake case name
[INFO] [stderr]   --> src/commands.rs:57:8
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn Send(&self,url:&str){
[INFO] [stderr]    |        ^^^^ help: convert the identifier to snake case (notice the capitalization): `send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `Receive` should have a snake case name
[INFO] [stderr]   --> src/commands.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn Receive(url:&str)->Option<Command>{
[INFO] [stderr]    |        ^^^^^^^ help: convert the identifier to snake case: `receive`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/glcommand-5efb48572fac8366
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/glcommand-bfa4f99c15240c46
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests glcommand
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4cd74806402847431e774aa1309b75a7c378a3bd56225e2d2a530f923e0aad27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd74806402847431e774aa1309b75a7c378a3bd56225e2d2a530f923e0aad27", kill_on_drop: false }`
[INFO] [stdout] 4cd74806402847431e774aa1309b75a7c378a3bd56225e2d2a530f923e0aad27