[INFO] updating cached repository https://github.com/sauyon/mailnotify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d92c861a34891a653ecf5092fd3db26a80dba5f1
[INFO] testing sauyon/mailnotify 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%2Fsauyon%2Fmailnotify" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sauyon/mailnotify 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/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-14/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" "+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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 18185eaf897f188f475f1b108989d3f2efc11974765e558ff89f38c5eaf4fe9c
[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" "18185eaf897f188f475f1b108989d3f2efc11974765e558ff89f38c5eaf4fe9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18185eaf897f188f475f1b108989d3f2efc11974765e558ff89f38c5eaf4fe9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18185eaf897f188f475f1b108989d3f2efc11974765e558ff89f38c5eaf4fe9c", kill_on_drop: false }`
[INFO] [stdout] 18185eaf897f188f475f1b108989d3f2efc11974765e558ff89f38c5eaf4fe9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 2e8f73003941c726f572901cb1fd5d6436fec7925a8a26a313a0cb7996c7c19c
[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" "2e8f73003941c726f572901cb1fd5d6436fec7925a8a26a313a0cb7996c7c19c", 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 0.64s
[INFO] running `Command { std: "docker" "inspect" "2e8f73003941c726f572901cb1fd5d6436fec7925a8a26a313a0cb7996c7c19c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8f73003941c726f572901cb1fd5d6436fec7925a8a26a313a0cb7996c7c19c", kill_on_drop: false }`
[INFO] [stdout] 2e8f73003941c726f572901cb1fd5d6436fec7925a8a26a313a0cb7996c7c19c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 40f234310fa612d3e1a05a771ab1cb0b0d723b565a63352721c2c6b13ccd0bd2
[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" "40f234310fa612d3e1a05a771ab1cb0b0d723b565a63352721c2c6b13ccd0bd2", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "40f234310fa612d3e1a05a771ab1cb0b0d723b565a63352721c2c6b13ccd0bd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f234310fa612d3e1a05a771ab1cb0b0d723b565a63352721c2c6b13ccd0bd2", kill_on_drop: false }`
[INFO] [stdout] 40f234310fa612d3e1a05a771ab1cb0b0d723b565a63352721c2c6b13ccd0bd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ce543ecf6f63002cb215b453711f2b696d2d7d7bd59c64a4ffe1e8e0456d1f4
[INFO] running `Command { std: "docker" "start" "-a" "6ce543ecf6f63002cb215b453711f2b696d2d7d7bd59c64a4ffe1e8e0456d1f4", 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: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mailnotify-0074171608217826
[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" "6ce543ecf6f63002cb215b453711f2b696d2d7d7bd59c64a4ffe1e8e0456d1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce543ecf6f63002cb215b453711f2b696d2d7d7bd59c64a4ffe1e8e0456d1f4", kill_on_drop: false }`
[INFO] [stdout] 6ce543ecf6f63002cb215b453711f2b696d2d7d7bd59c64a4ffe1e8e0456d1f4