[INFO] cloning repository https://github.com/brandonphelps/trait_deps
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brandonphelps/trait_deps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrandonphelps%2Ftrait_deps", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrandonphelps%2Ftrait_deps'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 681d2f9ec9589fd50e4cb5e330fd9c385721fd90
[INFO] checking brandonphelps/trait_deps against master#fe348cd1a8e0fa445b772393147ed865904dcd4d for pr-139587-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrandonphelps%2Ftrait_deps" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brandonphelps/trait_deps on toolchain fe348cd1a8e0fa445b772393147ed865904dcd4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brandonphelps/trait_deps
[INFO] finished tweaking git repo https://github.com/brandonphelps/trait_deps
[INFO] tweaked toml for git repo https://github.com/brandonphelps/trait_deps written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/brandonphelps/trait_deps already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5756426de4c770650ce661588965f2a12688ae3f730724bb0493ce58f44f51ec
[INFO] running `Command { std: "docker" "start" "-a" "5756426de4c770650ce661588965f2a12688ae3f730724bb0493ce58f44f51ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5756426de4c770650ce661588965f2a12688ae3f730724bb0493ce58f44f51ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5756426de4c770650ce661588965f2a12688ae3f730724bb0493ce58f44f51ec", kill_on_drop: false }`
[INFO] [stdout] 5756426de4c770650ce661588965f2a12688ae3f730724bb0493ce58f44f51ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abf6ae25ef7c1547fc96893d298b48524f5836a624d8b3b6e000de670a444ee6
[INFO] running `Command { std: "docker" "start" "-a" "abf6ae25ef7c1547fc96893d298b48524f5836a624d8b3b6e000de670a444ee6", kill_on_drop: false }`
[INFO] [stderr]     Checking trait_deps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `GenericComm::CommInter`
[INFO] [stdout]   --> src/main.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use crate::{GenericComm::CommInter, EmailClient::EmailClient, Windows};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GenericComm::CommInter`
[INFO] [stdout]   --> src/main.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use crate::{GenericComm::CommInter, EmailClient::EmailClient, Windows};
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/main.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let client = EmailClient::new(Windows::WindowsSocket {});
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `speak` and `read` are never used
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub trait CommInter {
[INFO] [stdout]   |               --------- methods in this trait
[INFO] [stdout] 5 |         fn speak(&self);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 6 |         fn read(&self); 
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comm_handle` is never read
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub struct EmailClient<T> {
[INFO] [stdout]    |                ----------- field in this struct
[INFO] [stdout] 49 |         comm_handle: T
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `do_work` is never used
[INFO] [stdout]   --> src/main.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     impl<T> EmailClient<T>
[INFO] [stdout] 53 | |     where
[INFO] [stdout] 54 | |         T: CommInter
[INFO] [stdout]    | |____________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |           pub fn do_work(&self) {
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `client`
[INFO] [stdout]   --> src/main.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let client = EmailClient::new(Windows::WindowsSocket {});
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_client`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `GenericComm` should have a snake case name
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod GenericComm {
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `generic_comm`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Windows` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | mod Windows {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `windows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Linux` should have a snake case name
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | mod Linux {
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `linux`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `EmailClient` should have a snake case name
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | mod EmailClient {
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `email_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `UserApp` should have a snake case name
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | mod UserApp {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to snake case: `user_app`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `speak` and `read` are never used
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub trait CommInter {
[INFO] [stdout]   |               --------- methods in this trait
[INFO] [stdout] 5 |         fn speak(&self);
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 6 |         fn read(&self); 
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comm_handle` is never read
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub struct EmailClient<T> {
[INFO] [stdout]    |                ----------- field in this struct
[INFO] [stdout] 49 |         comm_handle: T
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `do_work` is never used
[INFO] [stdout]   --> src/main.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     impl<T> EmailClient<T>
[INFO] [stdout] 53 | |     where
[INFO] [stdout] 54 | |         T: CommInter
[INFO] [stdout]    | |____________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 62 |           pub fn do_work(&self) {
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `GenericComm` should have a snake case name
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod GenericComm {
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `generic_comm`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Windows` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | mod Windows {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `windows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Linux` should have a snake case name
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | mod Linux {
[INFO] [stdout]    |     ^^^^^ help: convert the identifier to snake case: `linux`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `EmailClient` should have a snake case name
[INFO] [stdout]   --> src/main.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | mod EmailClient {
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to snake case: `email_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `UserApp` should have a snake case name
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 | mod UserApp {
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to snake case: `user_app`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "abf6ae25ef7c1547fc96893d298b48524f5836a624d8b3b6e000de670a444ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf6ae25ef7c1547fc96893d298b48524f5836a624d8b3b6e000de670a444ee6", kill_on_drop: false }`
[INFO] [stdout] abf6ae25ef7c1547fc96893d298b48524f5836a624d8b3b6e000de670a444ee6