[INFO] cloning repository https://github.com/team-rust/mailbox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/team-rust/mailbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteam-rust%2Fmailbox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteam-rust%2Fmailbox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1080ebc5bb1e9af9033169e806b52b05718376b7 [INFO] testing team-rust/mailbox against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteam-rust%2Fmailbox" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/team-rust/mailbox on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/team-rust/mailbox [INFO] finished tweaking git repo https://github.com/team-rust/mailbox [INFO] tweaked toml for git repo https://github.com/team-rust/mailbox written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/team-rust/mailbox already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1702cb905c43bc94700198c80cbf83db1062def0b8aaa9db0b0cf1d83d558310 [INFO] running `Command { std: "docker" "start" "-a" "1702cb905c43bc94700198c80cbf83db1062def0b8aaa9db0b0cf1d83d558310", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1702cb905c43bc94700198c80cbf83db1062def0b8aaa9db0b0cf1d83d558310", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1702cb905c43bc94700198c80cbf83db1062def0b8aaa9db0b0cf1d83d558310", kill_on_drop: false }` [INFO] [stdout] 1702cb905c43bc94700198c80cbf83db1062def0b8aaa9db0b0cf1d83d558310 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87a4d4bd635d898a83673814f1e3857c51a15d8e77412015e6d27d0c02eb4e24 [INFO] running `Command { std: "docker" "start" "-a" "87a4d4bd635d898a83673814f1e3857c51a15d8e77412015e6d27d0c02eb4e24", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling mailbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/mailbox.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn new(sender: String, receiver: String, body: String) -> Message { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/mailbox.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn new() -> Mailbox { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `store` [INFO] [stdout] --> src/mailbox.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn store(&mut self, m: Message) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `fetch` [INFO] [stdout] --> src/mailbox.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn fetch(&mut self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `SyncedMailbox` [INFO] [stdout] --> src/syncedmailbox.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct SyncedMailbox { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/syncedmailbox.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | fn new() -> SyncedMailbox { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `store` [INFO] [stdout] --> src/syncedmailbox.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn store(&self, m: mailbox::Message) -> Result<(), String> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `fetch` [INFO] [stdout] --> src/syncedmailbox.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | fn fetch(&self) -> Result { [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 5.15s [INFO] running `Command { std: "docker" "inspect" "87a4d4bd635d898a83673814f1e3857c51a15d8e77412015e6d27d0c02eb4e24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87a4d4bd635d898a83673814f1e3857c51a15d8e77412015e6d27d0c02eb4e24", kill_on_drop: false }` [INFO] [stdout] 87a4d4bd635d898a83673814f1e3857c51a15d8e77412015e6d27d0c02eb4e24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f794adbe508458d0ab18f1d36153929048550f61cf5edea97baa81fdd71e1c87 [INFO] running `Command { std: "docker" "start" "-a" "f794adbe508458d0ab18f1d36153929048550f61cf5edea97baa81fdd71e1c87", kill_on_drop: false }` [INFO] [stderr] Compiling mailbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.37s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mailbox-6110b26273dc0121) [INFO] running `Command { std: "docker" "inspect" "f794adbe508458d0ab18f1d36153929048550f61cf5edea97baa81fdd71e1c87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f794adbe508458d0ab18f1d36153929048550f61cf5edea97baa81fdd71e1c87", kill_on_drop: false }` [INFO] [stdout] f794adbe508458d0ab18f1d36153929048550f61cf5edea97baa81fdd71e1c87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cc03a560a3291a4dcc9319185bf463b3793c7220aa2e4b9113851530586a2284 [INFO] running `Command { std: "docker" "start" "-a" "cc03a560a3291a4dcc9319185bf463b3793c7220aa2e4b9113851530586a2284", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.56s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mailbox-6110b26273dc0121) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test mailbox::tests::test_fetch ... ok [INFO] [stdout] test mailbox::tests::test_store ... ok [INFO] [stdout] test syncedmailbox::tests::test_store ... ok [INFO] [stdout] test syncedmailbox::tests::test_fetch ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cc03a560a3291a4dcc9319185bf463b3793c7220aa2e4b9113851530586a2284", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc03a560a3291a4dcc9319185bf463b3793c7220aa2e4b9113851530586a2284", kill_on_drop: false }` [INFO] [stdout] cc03a560a3291a4dcc9319185bf463b3793c7220aa2e4b9113851530586a2284