[INFO] updating cached 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" "-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] 1080ebc5bb1e9af9033169e806b52b05718376b7 [INFO] testing team-rust/mailbox against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteam-rust%2Fmailbox" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/team-rust/mailbox on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 048ff461397ad55604fb0083a7de4c7f46b95ce4864316d8e48ced7fa8be7c5a [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" "048ff461397ad55604fb0083a7de4c7f46b95ce4864316d8e48ced7fa8be7c5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "048ff461397ad55604fb0083a7de4c7f46b95ce4864316d8e48ced7fa8be7c5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "048ff461397ad55604fb0083a7de4c7f46b95ce4864316d8e48ced7fa8be7c5a", kill_on_drop: false }` [INFO] [stdout] 048ff461397ad55604fb0083a7de4c7f46b95ce4864316d8e48ced7fa8be7c5a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd64d4c53ae65cfc25655ddfcad154017217cdd4fb718a65252ff9cf011ed9eb [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" "cd64d4c53ae65cfc25655ddfcad154017217cdd4fb718a65252ff9cf011ed9eb", kill_on_drop: false }` [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 0.81s [INFO] running `Command { std: "docker" "inspect" "cd64d4c53ae65cfc25655ddfcad154017217cdd4fb718a65252ff9cf011ed9eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd64d4c53ae65cfc25655ddfcad154017217cdd4fb718a65252ff9cf011ed9eb", kill_on_drop: false }` [INFO] [stdout] cd64d4c53ae65cfc25655ddfcad154017217cdd4fb718a65252ff9cf011ed9eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 30cd30a32db4114b895a865cfdceff19e0df891b5d6400eaae0031882253e97e [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" "30cd30a32db4114b895a865cfdceff19e0df891b5d6400eaae0031882253e97e", kill_on_drop: false }` [INFO] [stderr] Compiling mailbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `Command { std: "docker" "inspect" "30cd30a32db4114b895a865cfdceff19e0df891b5d6400eaae0031882253e97e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30cd30a32db4114b895a865cfdceff19e0df891b5d6400eaae0031882253e97e", kill_on_drop: false }` [INFO] [stdout] 30cd30a32db4114b895a865cfdceff19e0df891b5d6400eaae0031882253e97e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 70bc0d62e81c04b14067ce8e3fa34c1b7c0f80fe4a9429d7d6e3a76a8856c5d6 [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" "70bc0d62e81c04b14067ce8e3fa34c1b7c0f80fe4a9429d7d6e3a76a8856c5d6", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mailbox-0c56b9674fd32cac [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test mailbox::tests::test_store ... ok [INFO] [stdout] test syncedmailbox::tests::test_fetch ... ok [INFO] [stdout] test mailbox::tests::test_fetch ... ok [INFO] [stdout] test syncedmailbox::tests::test_store ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "70bc0d62e81c04b14067ce8e3fa34c1b7c0f80fe4a9429d7d6e3a76a8856c5d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70bc0d62e81c04b14067ce8e3fa34c1b7c0f80fe4a9429d7d6e3a76a8856c5d6", kill_on_drop: false }` [INFO] [stdout] 70bc0d62e81c04b14067ce8e3fa34c1b7c0f80fe4a9429d7d6e3a76a8856c5d6