[INFO] cloning repository https://github.com/sauyon/mailnotify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sauyon/mailnotify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsauyon%2Fmailnotify", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsauyon%2Fmailnotify'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d92c861a34891a653ecf5092fd3db26a80dba5f1
[INFO] checking sauyon/mailnotify against master#0f353363965ebf05e0757f7679c800b39c51a07e for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsauyon%2Fmailnotify" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sauyon/mailnotify
[INFO] finished tweaking git repo https://github.com/sauyon/mailnotify
[INFO] tweaked toml for git repo https://github.com/sauyon/mailnotify written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sauyon/mailnotify on toolchain 0f353363965ebf05e0757f7679c800b39c51a07e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sauyon/mailnotify 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" "+0f353363965ebf05e0757f7679c800b39c51a07e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fba54b7cdb5807469d7fa350d5a230c50909d0a15e72df94173a6ce5979a58b8
[INFO] running `Command { std: "docker" "start" "-a" "fba54b7cdb5807469d7fa350d5a230c50909d0a15e72df94173a6ce5979a58b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fba54b7cdb5807469d7fa350d5a230c50909d0a15e72df94173a6ce5979a58b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba54b7cdb5807469d7fa350d5a230c50909d0a15e72df94173a6ce5979a58b8", kill_on_drop: false }`
[INFO] [stdout] fba54b7cdb5807469d7fa350d5a230c50909d0a15e72df94173a6ce5979a58b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+0f353363965ebf05e0757f7679c800b39c51a07e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85c0763ce7c1ecd5bd993a39bb945d3ff7ab35b1b13099bd409e1b27a3994415
[INFO] running `Command { std: "docker" "start" "-a" "85c0763ce7c1ecd5bd993a39bb945d3ff7ab35b1b13099bd409e1b27a3994415", kill_on_drop: false }`
[INFO] [stderr]     Checking mailnotify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `action`
[INFO] [stdout]   --> src/backend.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn exec(action: &Action) -> Result<(), Error> {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `MailId` is never used
[INFO] [stdout]  --> src/backend.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type MailId = u64;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Notification` is never constructed
[INFO] [stdout]  --> src/backend.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Notification {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Service` is never constructed
[INFO] [stdout]   --> src/backend.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Service {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/backend.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum Error {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Action` is never used
[INFO] [stdout]   --> src/backend.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Action {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get_notification`, `login`, and `exec` are never used
[INFO] [stdout]   --> src/backend.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Service {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 39 |     fn get_notification(&mut self) -> Result<Notification, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn login(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn exec(action: &Action) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `action`
[INFO] [stdout]   --> src/backend.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn exec(action: &Action) -> Result<(), Error> {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `MailId` is never used
[INFO] [stdout]  --> src/backend.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type MailId = u64;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Notification` is never constructed
[INFO] [stdout]  --> src/backend.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Notification {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Service` is never constructed
[INFO] [stdout]   --> src/backend.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Service {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/backend.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum Error {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Action` is never used
[INFO] [stdout]   --> src/backend.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Action {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get_notification`, `login`, and `exec` are never used
[INFO] [stdout]   --> src/backend.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Service {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 39 |     fn get_notification(&mut self) -> Result<Notification, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn login(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn exec(action: &Action) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "85c0763ce7c1ecd5bd993a39bb945d3ff7ab35b1b13099bd409e1b27a3994415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c0763ce7c1ecd5bd993a39bb945d3ff7ab35b1b13099bd409e1b27a3994415", kill_on_drop: false }`
[INFO] [stdout] 85c0763ce7c1ecd5bd993a39bb945d3ff7ab35b1b13099bd409e1b27a3994415