[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] checking team-rust/mailbox against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteam-rust%2Fmailbox" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [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-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/team-rust/mailbox on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/team-rust/mailbox already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 842f26b66fed1164ff2ef0a746ef9b49b73786987f62b95f8bac488d9c0ebcf9 [INFO] running `Command { std: "docker" "start" "-a" "842f26b66fed1164ff2ef0a746ef9b49b73786987f62b95f8bac488d9c0ebcf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "842f26b66fed1164ff2ef0a746ef9b49b73786987f62b95f8bac488d9c0ebcf9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "842f26b66fed1164ff2ef0a746ef9b49b73786987f62b95f8bac488d9c0ebcf9", kill_on_drop: false }` [INFO] [stdout] 842f26b66fed1164ff2ef0a746ef9b49b73786987f62b95f8bac488d9c0ebcf9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2707be054e1f8ed88e3c4383400ddcce0ef9cb7db6296950fe3365e6252bb85a [INFO] running `Command { std: "docker" "start" "-a" "2707be054e1f8ed88e3c4383400ddcce0ef9cb7db6296950fe3365e6252bb85a", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking mailbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Message` is never constructed [INFO] [stdout] --> src/mailbox.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/mailbox.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Message { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 9 | pub fn new(sender: String, receiver: String, body: String) -> Message { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Mailbox` is never constructed [INFO] [stdout] --> src/mailbox.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Mailbox { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `store`, and `fetch` are never used [INFO] [stdout] --> src/mailbox.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Mailbox { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 20 | pub fn new() -> Mailbox { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | pub fn store(&mut self, m: Message) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | pub fn fetch(&mut self) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SyncedMailbox` is never constructed [INFO] [stdout] --> src/syncedmailbox.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct SyncedMailbox { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `store`, and `fetch` are never used [INFO] [stdout] --> src/syncedmailbox.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl SyncedMailbox { [INFO] [stdout] | ------------------ associated items in this implementation [INFO] [stdout] 9 | fn new() -> SyncedMailbox { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | fn store(&self, m: mailbox::Message) -> Result<(), String> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 21 | fn fetch(&self) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] running `Command { std: "docker" "inspect" "2707be054e1f8ed88e3c4383400ddcce0ef9cb7db6296950fe3365e6252bb85a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2707be054e1f8ed88e3c4383400ddcce0ef9cb7db6296950fe3365e6252bb85a", kill_on_drop: false }` [INFO] [stdout] 2707be054e1f8ed88e3c4383400ddcce0ef9cb7db6296950fe3365e6252bb85a