[INFO] cloning repository https://github.com/Toyz/ribbit-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Toyz/ribbit-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToyz%2Fribbit-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToyz%2Fribbit-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68e379f2596c439f0045dfcd160eac5caeda1e02
[INFO] testing Toyz/ribbit-rust against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToyz%2Fribbit-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Toyz/ribbit-rust on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Toyz/ribbit-rust
[INFO] finished tweaking git repo https://github.com/Toyz/ribbit-rust
[INFO] tweaked toml for git repo https://github.com/Toyz/ribbit-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Toyz/ribbit-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", 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] 611669b394ec0e80b16ec99b2032ea5c98b77ddd8a854bd641bbb580848f6ee1
[INFO] running `Command { std: "docker" "start" "-a" "611669b394ec0e80b16ec99b2032ea5c98b77ddd8a854bd641bbb580848f6ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "611669b394ec0e80b16ec99b2032ea5c98b77ddd8a854bd641bbb580848f6ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "611669b394ec0e80b16ec99b2032ea5c98b77ddd8a854bd641bbb580848f6ee1", kill_on_drop: false }`
[INFO] [stdout] 611669b394ec0e80b16ec99b2032ea5c98b77ddd8a854bd641bbb580848f6ee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78767f75365b074fff594e2178f8bde7c76eb85c74b299ab75ed429d7ab96890
[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" "78767f75365b074fff594e2178f8bde7c76eb85c74b299ab75ed429d7ab96890", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling quoted_printable v0.4.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling charset v0.1.2
[INFO] [stderr]    Compiling mailparse v0.13.2
[INFO] [stderr]    Compiling Ribbit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/ribbit_client/ribbit_client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/ribbit_client/ribbit_client.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mailparse::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mailparse::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::option::Option`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Version`
[INFO] [stdout]   --> src/ribbit_client/ribbit_client.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Version,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CDN`
[INFO] [stdout]   --> src/ribbit_client/ribbit_client.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     CDN,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Ribbit` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `ribbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "78767f75365b074fff594e2178f8bde7c76eb85c74b299ab75ed429d7ab96890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78767f75365b074fff594e2178f8bde7c76eb85c74b299ab75ed429d7ab96890", kill_on_drop: false }`
[INFO] [stdout] 78767f75365b074fff594e2178f8bde7c76eb85c74b299ab75ed429d7ab96890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7be47cbab68e62e1b455f0d52016fe57b181ef7174bfd602eb4e598fdea8bb62
[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" "7be47cbab68e62e1b455f0d52016fe57b181ef7174bfd602eb4e598fdea8bb62", kill_on_drop: false }`
[INFO] [stderr]    Compiling Ribbit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/ribbit_client/ribbit_client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/ribbit_client/ribbit_client.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TcpStream`
[INFO] [stdout]  --> src/main.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::{TcpStream};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mailparse::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mailparse::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::option::Option`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Version`
[INFO] [stdout]   --> src/ribbit_client/ribbit_client.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Version,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CDN`
[INFO] [stdout]   --> src/ribbit_client/ribbit_client.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     CDN,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Ribbit` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `ribbit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "7be47cbab68e62e1b455f0d52016fe57b181ef7174bfd602eb4e598fdea8bb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be47cbab68e62e1b455f0d52016fe57b181ef7174bfd602eb4e598fdea8bb62", kill_on_drop: false }`
[INFO] [stdout] 7be47cbab68e62e1b455f0d52016fe57b181ef7174bfd602eb4e598fdea8bb62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74a2e232af9885cf3a46c12802bebfb6a6cb9baca145bf3aa80f4610b71125a2
[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" "74a2e232af9885cf3a46c12802bebfb6a6cb9baca145bf3aa80f4610b71125a2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/ribbit_client/ribbit_client.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/ribbit_client/ribbit_client.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/main.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::net::{TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Write`
[INFO] [stderr]  --> src/main.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mailparse::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use mailparse::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::option::Option`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::option::Option;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Version`
[INFO] [stderr]   --> src/ribbit_client/ribbit_client.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Version,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CDN`
[INFO] [stderr]   --> src/ribbit_client/ribbit_client.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     CDN,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Ribbit` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `ribbit`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Ribbit-a8e82dfaa779c99a)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "74a2e232af9885cf3a46c12802bebfb6a6cb9baca145bf3aa80f4610b71125a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a2e232af9885cf3a46c12802bebfb6a6cb9baca145bf3aa80f4610b71125a2", kill_on_drop: false }`
[INFO] [stdout] 74a2e232af9885cf3a46c12802bebfb6a6cb9baca145bf3aa80f4610b71125a2