[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] testing sauyon/mailnotify against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsauyon%2Fmailnotify" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sauyon/mailnotify on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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/source/Cargo.toml
[INFO] crate git repo https://github.com/sauyon/mailnotify already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 48682e6a87f014ba6170a14867f29c08ae8f1e222672d08efc1affca94173ab5
[INFO] running `Command { std: "docker" "start" "-a" "48682e6a87f014ba6170a14867f29c08ae8f1e222672d08efc1affca94173ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48682e6a87f014ba6170a14867f29c08ae8f1e222672d08efc1affca94173ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48682e6a87f014ba6170a14867f29c08ae8f1e222672d08efc1affca94173ab5", kill_on_drop: false }`
[INFO] [stdout] 48682e6a87f014ba6170a14867f29c08ae8f1e222672d08efc1affca94173ab5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f70606ac3fa6762f1e87cc83257f44b5cc32a886c82b8b3e7a9a47c7d7677ace
[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" "f70606ac3fa6762f1e87cc83257f44b5cc32a886c82b8b3e7a9a47c7d7677ace", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 is never used: `MailId`
[INFO] [stdout]  --> src/backend.rs:3:1
[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 is never constructed: `Notification`
[INFO] [stdout]  --> src/backend.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Notification {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Service`
[INFO] [stdout]   --> src/backend.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Service {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Action`
[INFO] [stdout]   --> src/backend.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Action {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_notification`
[INFO] [stdout]   --> src/backend.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn get_notification(&mut self) -> Result<Notification, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `login`
[INFO] [stdout]   --> src/backend.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn login(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec`
[INFO] [stdout]   --> src/backend.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn exec(action: &Action) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "f70606ac3fa6762f1e87cc83257f44b5cc32a886c82b8b3e7a9a47c7d7677ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f70606ac3fa6762f1e87cc83257f44b5cc32a886c82b8b3e7a9a47c7d7677ace", kill_on_drop: false }`
[INFO] [stdout] f70606ac3fa6762f1e87cc83257f44b5cc32a886c82b8b3e7a9a47c7d7677ace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57306ff6b5860e43f7b58580ff0d68172e0802ff697dcbf195d0e81d4d110bdc
[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" "57306ff6b5860e43f7b58580ff0d68172e0802ff697dcbf195d0e81d4d110bdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 is never used: `MailId`
[INFO] [stdout]  --> src/backend.rs:3:1
[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 is never constructed: `Notification`
[INFO] [stdout]  --> src/backend.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Notification {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Service`
[INFO] [stdout]   --> src/backend.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Service {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Action`
[INFO] [stdout]   --> src/backend.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Action {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_notification`
[INFO] [stdout]   --> src/backend.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn get_notification(&mut self) -> Result<Notification, Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `login`
[INFO] [stdout]   --> src/backend.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn login(&mut self) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec`
[INFO] [stdout]   --> src/backend.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn exec(action: &Action) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "57306ff6b5860e43f7b58580ff0d68172e0802ff697dcbf195d0e81d4d110bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57306ff6b5860e43f7b58580ff0d68172e0802ff697dcbf195d0e81d4d110bdc", kill_on_drop: false }`
[INFO] [stdout] 57306ff6b5860e43f7b58580ff0d68172e0802ff697dcbf195d0e81d4d110bdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] dae889f4b017c0ceac4f2261c88c815356d0c53fc05ac7812e02a252f387179a
[INFO] running `Command { std: "docker" "start" "-a" "dae889f4b017c0ceac4f2261c88c815356d0c53fc05ac7812e02a252f387179a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `action`
[INFO] [stderr]   --> src/backend.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn exec(action: &Action) -> Result<(), Error> {
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `MailId`
[INFO] [stderr]  --> src/backend.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | type MailId = u64;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Notification`
[INFO] [stderr]  --> src/backend.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Notification {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Service`
[INFO] [stderr]   --> src/backend.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct Service {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Action`
[INFO] [stderr]   --> src/backend.rs:32:6
[INFO] [stderr]    |
[INFO] [stderr] 32 | enum Action {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_notification`
[INFO] [stderr]   --> src/backend.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn get_notification(&mut self) -> Result<Notification, Error> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `login`
[INFO] [stderr]   --> src/backend.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn login(&mut self) -> Result<(), Error> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `exec`
[INFO] [stderr]   --> src/backend.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn exec(action: &Action) -> Result<(), Error> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mailnotify` (bin "mailnotify" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mailnotify-cf6d587e2e4c00a7)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dae889f4b017c0ceac4f2261c88c815356d0c53fc05ac7812e02a252f387179a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae889f4b017c0ceac4f2261c88c815356d0c53fc05ac7812e02a252f387179a", kill_on_drop: false }`
[INFO] [stdout] dae889f4b017c0ceac4f2261c88c815356d0c53fc05ac7812e02a252f387179a