[INFO] cloning repository https://github.com/nakakura/tokio-blocking [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nakakura/tokio-blocking" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakakura%2Ftokio-blocking", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakakura%2Ftokio-blocking'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2f821d4a958d32832301e7cc323a1cd5aab348fb [INFO] checking nakakura/tokio-blocking against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnakakura%2Ftokio-blocking" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nakakura/tokio-blocking on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nakakura/tokio-blocking [INFO] finished tweaking git repo https://github.com/nakakura/tokio-blocking [INFO] tweaked toml for git repo https://github.com/nakakura/tokio-blocking written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nakakura/tokio-blocking 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam-utils v0.3.2 [INFO] [stderr] Downloaded crossbeam-deque v0.3.1 [INFO] [stderr] Downloaded crossbeam-epoch v0.4.3 [INFO] [stderr] Downloaded tokio-codec v0.1.0 [INFO] [stderr] Downloaded tokio-udp v0.1.1 [INFO] [stderr] Downloaded tokio-threadpool v0.1.5 [INFO] [stderr] Downloaded tokio-fs v0.1.3 [INFO] [stderr] Downloaded bytes v0.4.9 [INFO] [stderr] Downloaded mio v0.6.15 [INFO] [stderr] Downloaded tokio v0.1.7 [INFO] [stderr] Downloaded futures v0.1.23 [INFO] [stderr] Downloaded tokio-io v0.1.7 [INFO] [stderr] Downloaded tokio-reactor v0.1.3 [INFO] [stderr] Downloaded tokio-tcp v0.1.1 [INFO] [stderr] Downloaded tokio-timer v0.2.5 [INFO] [stderr] Downloaded lazycell v0.6.0 [INFO] [stderr] Downloaded tokio-executor v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9077dd3c24df153afd322d5ae79ac67844cc6a8bf6b818abaf89f78290c0729e [INFO] running `Command { std: "docker" "start" "-a" "9077dd3c24df153afd322d5ae79ac67844cc6a8bf6b818abaf89f78290c0729e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9077dd3c24df153afd322d5ae79ac67844cc6a8bf6b818abaf89f78290c0729e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9077dd3c24df153afd322d5ae79ac67844cc6a8bf6b818abaf89f78290c0729e", kill_on_drop: false }` [INFO] [stdout] 9077dd3c24df153afd322d5ae79ac67844cc6a8bf6b818abaf89f78290c0729e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56131683c2cfe3ad3e04f6e2877c5497096344ba4b7aa78225b7e3fe576b8b54 [INFO] running `Command { std: "docker" "start" "-a" "56131683c2cfe3ad3e04f6e2877c5497096344ba4b7aa78225b7e3fe576b8b54", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking futures v0.1.23 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking byteorder v1.2.4 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking log v0.4.3 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking bytes v0.4.9 [INFO] [stderr] Checking mio v0.6.15 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.3.1 [INFO] [stderr] Checking tokio-executor v0.1.3 [INFO] [stderr] Checking tokio-io v0.1.7 [INFO] [stderr] Checking chrono v0.4.5 [INFO] [stderr] Checking tokio-threadpool v0.1.5 [INFO] [stderr] Checking tokio-timer v0.2.5 [INFO] [stderr] Checking tokio-reactor v0.1.3 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking tokio-tcp v0.1.1 [INFO] [stderr] Checking tokio-udp v0.1.1 [INFO] [stderr] Checking tokio-fs v0.1.3 [INFO] [stderr] Checking tokio v0.1.7 [INFO] [stderr] Checking wit v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `err`, `ok` [INFO] [stdout] --> src/main.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | use futures::future::{err, ok}; [INFO] [stdout] | ^^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:32:22 [INFO] [stdout] | [INFO] [stdout] 32 | type Error = Box; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 32 | type Error = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `err`, `ok` [INFO] [stdout] --> src/main.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | use futures::future::{err, ok}; [INFO] [stdout] | ^^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:32:22 [INFO] [stdout] | [INFO] [stdout] 32 | type Error = Box; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 32 | type Error = Box; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `running` is never read [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct WaitInAnotherThread { [INFO] [stdout] | ------------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | running: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | / blocking(|| { [INFO] [stdout] 36 | | println!("start {}, now: {:?}, end_time: {:?}", self.token, Utc::now(), self.end_time); [INFO] [stdout] 37 | | while Utc::now() < self.end_time { [INFO] [stdout] 38 | | let delta_sec = self.end_time.timestamp() - Utc::now().timestamp(); [INFO] [stdout] ... | [INFO] [stdout] 43 | | } [INFO] [stdout] 44 | | }); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 35 | let _ = blocking(|| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `running` is never read [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct WaitInAnotherThread { [INFO] [stdout] | ------------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | running: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | / blocking(|| { [INFO] [stdout] 36 | | println!("start {}, now: {:?}, end_time: {:?}", self.token, Utc::now(), self.end_time); [INFO] [stdout] 37 | | while Utc::now() < self.end_time { [INFO] [stdout] 38 | | let delta_sec = self.end_time.timestamp() - Utc::now().timestamp(); [INFO] [stdout] ... | [INFO] [stdout] 43 | | } [INFO] [stdout] 44 | | }); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 35 | let _ = blocking(|| { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.14s [INFO] running `Command { std: "docker" "inspect" "56131683c2cfe3ad3e04f6e2877c5497096344ba4b7aa78225b7e3fe576b8b54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56131683c2cfe3ad3e04f6e2877c5497096344ba4b7aa78225b7e3fe576b8b54", kill_on_drop: false }` [INFO] [stdout] 56131683c2cfe3ad3e04f6e2877c5497096344ba4b7aa78225b7e3fe576b8b54