[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 try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsauyon%2Fmailnotify" "/workspace/builds/worker-73/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-73/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sauyon/mailnotify on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "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-73/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" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3640081cf78c8aa324afeb0d72db78c4420c59b40c439112ba3b64dd839da8da
[INFO] running `Command { std: "docker" "start" "-a" "3640081cf78c8aa324afeb0d72db78c4420c59b40c439112ba3b64dd839da8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3640081cf78c8aa324afeb0d72db78c4420c59b40c439112ba3b64dd839da8da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3640081cf78c8aa324afeb0d72db78c4420c59b40c439112ba3b64dd839da8da", kill_on_drop: false }`
[INFO] [stdout] 3640081cf78c8aa324afeb0d72db78c4420c59b40c439112ba3b64dd839da8da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b0c3f996bb09655a8483668a5b4d3385264c720efa45c36260725d701f7e143
[INFO] running `Command { std: "docker" "start" "-a" "2b0c3f996bb09655a8483668a5b4d3385264c720efa45c36260725d701f7e143", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]    Compiling mailnotify v0.1.0 (/opt/rustwide/workdir)
[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 9.23s
[INFO] running `Command { std: "docker" "inspect" "2b0c3f996bb09655a8483668a5b4d3385264c720efa45c36260725d701f7e143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0c3f996bb09655a8483668a5b4d3385264c720efa45c36260725d701f7e143", kill_on_drop: false }`
[INFO] [stdout] 2b0c3f996bb09655a8483668a5b4d3385264c720efa45c36260725d701f7e143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c4c9c9be16649371649a845591431baf2d919e93bd84f149f6f0cca42662d90
[INFO] running `Command { std: "docker" "start" "-a" "7c4c9c9be16649371649a845591431baf2d919e93bd84f149f6f0cca42662d90", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 54.46s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mailnotify-db7a9784757c909d)
[INFO] running `Command { std: "docker" "inspect" "7c4c9c9be16649371649a845591431baf2d919e93bd84f149f6f0cca42662d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4c9c9be16649371649a845591431baf2d919e93bd84f149f6f0cca42662d90", kill_on_drop: false }`
[INFO] [stdout] 7c4c9c9be16649371649a845591431baf2d919e93bd84f149f6f0cca42662d90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5c6cd3b0da200f94f72a613258a9f4639101e1246677d4d837ce1bfc14b1260
[INFO] running `Command { std: "docker" "start" "-a" "a5c6cd3b0da200f94f72a613258a9f4639101e1246677d4d837ce1bfc14b1260", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 15.24s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mailnotify-db7a9784757c909d)
[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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5c6cd3b0da200f94f72a613258a9f4639101e1246677d4d837ce1bfc14b1260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5c6cd3b0da200f94f72a613258a9f4639101e1246677d4d837ce1bfc14b1260", kill_on_drop: false }`
[INFO] [stdout] a5c6cd3b0da200f94f72a613258a9f4639101e1246677d4d837ce1bfc14b1260